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NEPHRECTOMIE LAPAROSCOPIQUE TRANSPERITONEALE: FAISABILITE ET MORBIDITE. (À PROPOS DE 18 CAS)

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«They said, "Exalted are You; we have no knowledge except what

You have taught us. Indeed, it is You who is the Knowing, the

Wise."»

-The Holy Quran 2.32.

«Say: "Nothing will happen to us except what Allah has decreed for

us: He is our protector": and on Allah let the Believers put their

trust. »

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« Success is to be measured not so much by the position that one has

reached in life as by the obstacles which he has overcome while trying

to succeed. »

-Booker T. Washington

«The birth of excellence begins with our awareness that our beliefs

are a choice. We usually don’t think of it that way, but belief can be

a conscious choice. You can choose beliefs that limit you, or you can

choose beliefs that support you. The trick is to choose the beliefs that

are conducive to success and the results you want and to discard the

ones that hold you back. »

(4)

MOHAMMED V DE RABAT

FACULTE DE MEDECINE ET DE PHARMACIE - RABAT

DOYENS HONORAIRES :

1962 – 1969 : Professeur Abdelmalek FARAJ 1969 – 1974 : Professeur Abdellatif BERBICH 1974 – 1981 : Professeur Bachir LAZRAK 1981 – 1989 : Professeur Taieb CHKILI

1989 – 1997 : Professeur Mohamed Tahar ALAOUI 1997 – 2003 : Professeur Abdelmajid BELMAHI 2003 - 2013 : Professeur Najia HAJJAJ – HASSOUNI

ADMINISTRATION :

Doyen

Professeur Mohamed ADNAOUI

Vice-Doyen chargé des Affaires Académiques et estudiantines

Professeur Brahim LEKEHAL

Vice-Doyen chargé de la Recherche et de la Coopération

Professeur Toufiq DAKKA

Vice-Doyen chargé des Affaires Spécifiques à la Pharmacie

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1 - ENSEIGNANTS-CHERCHEURS MEDECINS ET PHARMACIENS

PROFESSEURS :

DECEMBRE 1984

Pr. MAAOUNI Abdelaziz Médecine Interne – Clinique Royale

Pr. MAAZOUZI Ahmed Wajdi Anesthésie -Réanimation

Pr. SETTAF Abdellatif Pathologie Chirurgicale

NOVEMBRE ET DECEMBRE 1985

Pr. BENSAID Younes Pathologie Chirurgicale

JANVIER, FEVRIER ET DECEMBRE 1987

Pr. LACHKAR Hassan Médecine Interne

Pr. YAHYAOUI Mohamed Neurologie

DECEMBRE 1989

Pr. ADNAOUI Mohamed Médecine Interne –Doyen de la FMPR

Pr. OUAZZANI Taïbi Mohamed Réda Neurologie

JANVIER ET NOVEMBRE 1990

Pr. HACHIM Mohammed* Médecine-Interne

Pr. KHARBACH Aîcha Gynécologie -Obstétrique

Pr. TAZI Saoud Anas Anesthésie Réanimation

FEVRIER AVRIL JUILLET ET DECEMBRE 1991

Pr. AZZOUZI Abderrahim Anesthésie Réanimation- Doyen de FMPO

Pr. BAYAHIA Rabéa Néphrologie

Pr. BELKOUCHI Abdelkader Chirurgie Générale

Pr. BENCHEKROUN Belabbes Abdellatif Chirurgie Générale

Pr. BENSOUDA Yahia Pharmacie galénique

Pr. BERRAHO Amina Ophtalmologie

Pr. BEZAD Rachid Gynécologie Obstétrique Méd. Chef Maternité des

Orangers

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DECEMBRE 1992

Pr. AHALLAT Mohamed Chirurgie Générale Doyen de FMPT

Pr. BENSOUDA Adil Anesthésie Réanimation

Pr. CHAHED OUAZZANI Laaziza Gastro-Entérologie

Pr. CHRAIBI Chafiq Gynécologie Obstétrique

Pr. EL OUAHABI Abdessamad Neurochirurgie

Pr. FELLAT Rokaya Cardiologie

Pr. GHAFIR Driss* Médecine Interne

Pr. JIDDANE Mohamed Anatomie

Pr. TAGHY Ahmed Chirurgie Générale

Pr. ZOUHDI Mimoun Microbiologie

MARS 1994

Pr. BENJAAFAR Noureddine Radiothérapie

Pr. BEN RAIS Nozha Biophysique

Pr. CAOUI Malika Biophysique

Pr. CHRAIBI Abdelmjid

Endocrinologie et Maladies Métaboliques Doyen de la

FMPA

Pr. EL AMRANI Sabah Gynécologie Obstétrique Pr. EL BARDOUNI Ahmed Traumato-Orthopédie Pr. EL HASSANI My Rachid Radiologie

Pr. ERROUGANI Abdelkader Chirurgie Générale – Directeur du CHIS-Rabat

Pr. ESSAKALI Malika Immunologie

Pr. ETTAYEBI Fouad Chirurgie Pédiatrique

Pr. HASSAM Badredine Dermatologie

Pr. IFRINE Lahssan Chirurgie Générale

Pr. MAHFOUD Mustapha Traumatologie – Orthopédie

Pr. RHRAB Brahim Gynécologie –Obstétrique

Pr. SENOUCI Karima Dermatologie

MARS 1994

Pr. ABBAR Mohamed* Urologie Directeur Hôpital My Ismail Meknès Pr. ABDELHAK M’barek Chirurgie – Pédiatrique

Pr. BENTAHILA Abdelali Pédiatrie

Pr. BENYAHIA Mohammed Ali Gynécologie – Obstétrique Pr. BERRADA Mohamed Saleh Traumatologie – Orthopédie Pr. CHERKAOUI Lalla Ouafae Ophtalmologie

Pr. LAKHDAR Amina Gynécologie Obstétrique

Pr. MOUANE Nezha Pédiatrie

MARS 1995

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Pr. BARGACH Samir Gynécologie Obstétrique Pr. DRISSI KAMILI Med Nordine* Anesthésie Réanimation Pr. EL MESNAOUI Abbes Chirurgie Générale Pr. ESSAKALI HOUSSYNI Leila Oto-Rhino-Laryngologie

Pr. HDA Abdelhamid* Cardiologie Inspecteur du Service de Santé des FAR Pr. IBEN ATTYA ANDALOUSSI Ahmed Urologie

Pr. OUAZZANI CHAHDI Bahia Ophtalmologie

Pr. SEFIANI Abdelaziz Génétique

Pr. ZEGGWAGH Amine Ali Réanimation Médicale DECEMBRE 1996

Pr. AMIL Touriya* Radiologie

Pr. BELKACEM Rachid Chirurgie Pédiatrie

Pr. BOULANOUAR Abdelkrim Ophtalmologie Pr. EL ALAMI EL FARICHA EL Hassan Chirurgie Générale

Pr. GAOUZI Ahmed Pédiatrie

Pr. MAHFOUDI M’barek* Radiologie

Pr. OUZEDDOUN Naima Néphrologie

Pr. ZBIR EL Mehdi* Cardiologie DirecteurHôp.Mil. d’Instruction Med V Rabat NOVEMBRE 1997

Pr. ALAMI Mohamed Hassan Gynécologie-Obstétrique

Pr. BEN SLIMANE Lounis Urologie

Pr. BIROUK Nazha Neurologie

Pr. ERREIMI Naima Pédiatrie

Pr. FELLAT Nadia Cardiologie

Pr. KADDOURI Noureddine Chirurgie Pédiatrique

Pr. KOUTANI Abdellatif Urologie

Pr. LAHLOU Mohamed Khalid Chirurgie Générale

Pr. MAHRAOUI CHAFIQ Pédiatrie

Pr. TOUFIQ Jallal Psychiatrie Directeur Hôp.Ar-razi Salé

Pr. YOUSFI MALKI Mounia Gynécologie Obstétrique NOVEMBRE 1998

Pr. BENOMAR ALI Neurologie Doyen de la FMP Abulcassis Pr. BOUGTAB Abdesslam Chirurgie Générale

Pr. ER RIHANI Hassan Oncologie Médicale

Pr. BENKIRANE Majid* Hématologie

JANVIER 2000

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Pr. ECHARRAB El Mahjoub Chirurgie Générale Pr. EL FTOUH Mustapha Pneumo-phtisiologie

Pr. EL MOSTARCHID Brahim* Neurochirurgie

Pr. MAHMOUDI Abdelkrim* Anesthésie-Réanimation Pr. TACHINANTE Rajae Anesthésie-Réanimation Pr. TAZI MEZALEK Zoubida Médecine Interne NOVEMBRE 2000

Pr. AIDI Saadia Neurologie

Pr. AJANA Fatima Zohra Gastro-Entérologie

Pr. BENAMR Said Chirurgie Générale

Pr. CHERTI Mohammed Cardiologie

Pr. ECH-CHERIF EL KETTANI Selma Anesthésie-Réanimation

Pr. EL HASSANI Amine Pédiatrie - Directeur Hôp.Cheikh Zaid

Pr. EL KHADER Khalid Urologie

Pr. EL MAGHRAOUI Abdellah* Rhumatologie

Pr. GHARBI Mohamed El Hassan Endocrinologie et Maladies Métaboliques

Pr. MDAGHRI ALAOUI Asmae Pédiatrie

Pr. ROUIMI Abdelhadi* Neurologie

DECEMBRE 2000

Pr.ZOHAIR ABDELLAH * ORL

Pr. BALKHI Hicham* Anesthésie-Réanimation

Pr. BENABDELJLIL Maria Neurologie

Pr. BENAMAR Loubna Néphrologie

Pr. BENAMOR Jouda Pneumo-phtisiologie

Pr. BENELBARHDADI Imane Gastro-Entérologie

Pr. BENNANI Rajae Cardiologie

Pr. BENOUACHANE Thami Pédiatrie

Pr. BEZZA Ahmed* Rhumatologie

Pr. BOUCHIKHI IDRISSI Med Larbi Anatomie

Pr. BOUMDIN El Hassane* Radiologie

Pr. CHAT Latifa Radiologie

Pr. DAALI Mustapha* Chirurgie Générale

Pr. DRISSI Sidi Mourad* Radiologie

Pr. EL HIJRI Ahmed Anesthésie-Réanimation

Pr. EL MAAQILI Moulay Rachid Neuro-Chirurgie

Pr. EL MADHI Tarik Chirurgie-Pédiatrique

Pr. EL OUNANI Mohamed Chirurgie Générale

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Pr. KABIRI EL Hassane* Chirurgie Thoracique Pr. LAMRANI Moulay Omar Traumatologie Orthopédie

Pr. LEKEHAL Brahim Chirurgie Vasculaire Périphérique Pr. MAHASSIN Fattouma* Médecine Interne

Pr. MEDARHRI Jalil Chirurgie Générale

Pr. MIKDAME Mohammed* Hématologie Clinique

Pr. MOHSINE Raouf Chirurgie Générale

Pr. NOUINI Yassine Urologie - Directeur Hôpital Ibn Sina

Pr. SABBAH Farid Chirurgie Générale

Pr. SEFIANI Yasser Chirurgie Vasculaire Périphérique Pr. TAOUFIQ BENCHEKROUN Soumia Pédiatrie

DECEMBRE 2002

Pr. AL BOUZIDI Abderrahmane* Anatomie Pathologique

Pr. AMEUR Ahmed * Urologie

Pr. AMRI Rachida Cardiologie

Pr. AOURARH Aziz* Gastro-Entérologie

Pr. BAMOU Youssef * Biochimie-Chimie

Pr. BELMEJDOUB Ghizlene* Endocrinologie et Maladies Métaboliques

Pr. BENZEKRI Laila Dermatologie

Pr. BENZZOUBEIR Nadia Gastro-Entérologie

Pr. BERNOUSSI Zakiya Anatomie Pathologique

Pr. BICHRA Mohamed Zakariya* Psychiatrie

Pr. CHOHO Abdelkrim * Chirurgie Générale

Pr. CHKIRATE Bouchra Pédiatrie

Pr. EL ALAMI EL Fellous Sidi Zouhair Chirurgie Pédiatrique

Pr. EL HAOURI Mohamed * Dermatologie

Pr. FILALI ADIB Abdelhai Gynécologie Obstétrique

Pr. HAJJI Zakia Ophtalmologie

Pr. IKEN Ali Urologie

Pr. JAAFAR Abdeloihab* Traumatologie Orthopédie

Pr. KRIOUILE Yamina Pédiatrie

Pr. MABROUK Hfid* Traumatologie Orthopédie

Pr. MOUSSAOUI RAHALI Driss* Gynécologie Obstétrique Pr. OUJILAL Abdelilah Oto-Rhino-Laryngologie Pr. RACHID Khalid * Traumatologie Orthopédie

Pr. RAISS Mohamed Chirurgie Générale

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JANVIER 2004

Pr. ABDELLAH El Hassan Ophtalmologie

Pr. AMRANI Mariam Anatomie Pathologique

Pr. BENBOUZID Mohammed Anas Oto-Rhino-Laryngologie

Pr. BENKIRANE Ahmed* Gastro-Entérologie

Pr. BOULAADAS Malik Stomatologie et Chirurgie Maxillo-faciale

Pr. BOURAZZA Ahmed* Neurologie

Pr. CHAGAR Belkacem* Traumatologie Orthopédie

Pr. CHERRADI Nadia Anatomie Pathologique

Pr. EL FENNI Jamal* Radiologie

Pr. EL HANCHI ZAKI Gynécologie Obstétrique

Pr. EL KHORASSANI Mohamed Pédiatrie Pr. EL YOUNASSI Badreddine* Cardiologie

Pr. HACHI Hafid Chirurgie Générale

Pr. JABOUIRIK Fatima Pédiatrie

Pr. KHARMAZ Mohamed Traumatologie Orthopédie

Pr. MOUGHIL Said Chirurgie Cardio-Vasculaire

Pr. OUBAAZ Abdelbarre * Ophtalmologie

Pr. TARIB Abdelilah* Pharmacie Clinique

Pr. TIJAMI Fouad Chirurgie Générale

Pr. ZARZUR Jamila Cardiologie

JANVIER 2005

Pr. ABBASSI Abdellah Chirurgie Réparatrice et Plastique Pr. AL KANDRY Sif Eddine* Chirurgie Générale

Pr. ALLALI Fadoua Rhumatologie

Pr. AMAZOUZI Abdellah Ophtalmologie

Pr. AZIZ Noureddine* Radiologie

Pr. BAHIRI Rachid Rhumatologie Directeur Hôp. Al Ayachi Salé

Pr. BARKAT Amina Pédiatrie

Pr. BENYASS Aatif Cardiologie

Pr. DOUDOUH Abderrahim* Biophysique

Pr. EL HAMZAOUI Sakina * Microbiologie

Pr. HAJJI Leila Cardiologie (mise en disponibilité

Pr. HESSISSEN Leila Pédiatrie

Pr. JIDAL Mohamed* Radiologie

Pr. LAAROUSSI Mohamed Chirurgie Cardio-vasculaire

Pr. LYAGOUBI Mohammed Parasitologie

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AVRIL 2006

Pr. ACHEMLAL Lahsen* Rhumatologie

Pr. AKJOUJ Said* Radiologie

Pr. BELMEKKI Abdelkader* Hématologie

Pr. BENCHEIKH Razika O.R.L

Pr. BIYI Abdelhamid* Biophysique

Pr. BOUHAFS Mohamed El Amine Chirurgie - Pédiatrique

Pr. BOULAHYA Abdellatif* Chirurgie Cardio – Vasculaire. Pr. CHENGUETI ANSARI Anas Gynécologie Obstétrique

Pr. DOGHMI Nawal Cardiologie

Pr. FELLAT Ibtissam Cardiologie

Pr. FAROUDY Mamoun Anesthésie Réanimation

Pr. HARMOUCHE Hicham Médecine Interne

Pr. HANAFI Sidi Mohamed* Anesthésie Réanimation Pr. IDRISS LAHLOU Amine* Microbiologie

Pr. JROUNDI Laila Radiologie

Pr. KARMOUNI Tariq Urologie

Pr. KILI Amina Pédiatrie

Pr. KISRA Hassan Psychiatrie

Pr. KISRA Mounir Chirurgie – Pédiatrique

Pr. LAATIRIS Abdelkader* Pharmacie Galénique Pr. LMIMOUNI Badreddine* Parasitologie

Pr. MANSOURI Hamid* Radiothérapie

Pr. OUANASS Abderrazzak Psychiatrie

Pr. SAFI Soumaya* Endocrinologie

Pr. SEKKAT Fatima Zahra Psychiatrie

Pr. SOUALHI Mouna Pneumo – Phtisiologie

Pr. TELLAL Saida* Biochimie

Pr. ZAHRAOUI Rachida Pneumo – Phtisiologie DECEMBRE 2006

Pr SAIR Khalid Chirurgie générale Dir. Hôp.Av.Marrakech OCTOBRE 2007

Pr. ABIDI Khalid Réanimation médicale

Pr. ACHACHI Leila Pneumo phtisiologie

Pr. ACHOUR Abdessamad* Chirurgie générale

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Pr. BOUTIMZINE Nourdine Ophtalmologie Pr. CHERKAOUI Naoual * Pharmacie galénique Pr. EHIRCHIOU Abdelkader * Chirurgie générale

Pr. EL BEKKALI Youssef * Chirurgie cardio-vasculaire Pr. EL ABSI Mohamed Chirurgie générale

Pr. EL MOUSSAOUI Rachid Anesthésie réanimation

Pr. EL OMARI Fatima Psychiatrie

Pr. GHARIB Noureddine Chirurgie plastique et réparatrice

Pr. HADADI Khalid * Radiothérapie

Pr. ICHOU Mohamed * Oncologie médicale

Pr. ISMAILI Nadia Dermatologie

Pr. KEBDANI Tayeb Radiothérapie

Pr. LALAOUI SALIM Jaafar * Anesthésie réanimation

Pr. LOUZI Lhoussain * Microbiologie

Pr. MADANI Naoufel Réanimation médicale

Pr. MAHI Mohamed * Radiologie

Pr. MARC Karima Pneumo phtisiologie

Pr. MASRAR Azlarab Hématologie biologique

Pr. MRANI Saad * Virologie

Pr. OUZZIF Ez zohra * Biochimie-chimie

Pr. RABHI Monsef * Médecine interne

Pr. RADOUANE Bouchaib* Radiologie

Pr. SEFFAR Myriame Microbiologie

Pr. SEKHSOKH Yessine * Microbiologie

Pr. SIFAT Hassan * Radiothérapie

Pr. TABERKANET Mustafa * Chirurgie vasculaire périphérique

Pr. TACHFOUTI Samira Ophtalmologie

Pr. TAJDINE Mohammed Tariq* Chirurgie générale Pr. TANANE Mansour * Traumatologie-orthopédie

Pr. TLIGUI Houssain Parasitologie

Pr. TOUATI Zakia Cardiologie

DECEMBRE 2008

Pr TAHIRI My El Hassan* Chirurgie Générale MARS 2009

Pr. ABOUZAHIR Ali * Médecine interne

Pr. AGADR Aomar * Pédiatrie

Pr. AIT ALI Abdelmounaim * Chirurgie Générale Pr. AIT BENHADDOU El Hachmia Neurologie

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Pr. ARKHA Yassir Neuro-chirurgie Directeur Hôp.des Spécialités Pr. BELYAMANI Lahcen* Anesthésie Réanimation

Pr. BJIJOU Younes Anatomie

Pr. BOUHSAIN Sanae * Biochimie-chimie

Pr. BOUI Mohammed * Dermatologie

Pr. BOUNAIM Ahmed * Chirurgie Générale

Pr. BOUSSOUGA Mostapha * Traumatologie-orthopédie

Pr. CHTATA Hassan Toufik * Chirurgie Vasculaire Périphérique

Pr. DOGHMI Kamal * Hématologie clinique

Pr. EL MALKI Hadj Omar Chirurgie Générale Pr. EL OUENNASS Mostapha* Microbiologie

Pr. ENNIBI Khalid * Médecine interne

Pr. FATHI Khalid Gynécologie obstétrique

Pr. HASSIKOU Hasna * Rhumatologie

Pr. KABBAJ Nawal Gastro-entérologie

Pr. KABIRI Meryem Pédiatrie

Pr. KARBOUBI Lamya Pédiatrie

Pr. LAMSAOURI Jamal * Chimie Thérapeutique Pr. MARMADE Lahcen Chirurgie Cardio-vasculaire

Pr. MESKINI Toufik Pédiatrie

Pr. MESSAOUDI Nezha * Hématologie biologique

Pr. MSSROURI Rahal Chirurgie Générale

Pr. NASSAR Ittimade Radiologie

Pr. OUKERRAJ Latifa Cardiologie

Pr. RHORFI Ismail Abderrahmani * Pneumo-Phtisiologie OCTOBRE 2010

Pr. ALILOU Mustapha Anesthésie réanimation

Pr. AMEZIANE Taoufiq* Médecine Interne

Pr. BELAGUID Abdelaziz Physiologie

Pr. CHADLI Mariama* Microbiologie

Pr. CHEMSI Mohamed* Médecine Aéronautique

Pr. DAMI Abdellah* Biochimie- Chimie

Pr. DARBI Abdellatif* Radiologie

Pr. DENDANE Mohammed Anouar Chirurgie Pédiatrique

Pr. EL HAFIDI Naima Pédiatrie

Pr. EL KHARRAS Abdennasser* Radiologie

Pr. EL MAZOUZ Samir Chirurgie Plastique et Réparatrice

Pr. EL SAYEGH Hachem Urologie

Pr. ERRABIH Ikram Gastro-Entérologie

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DECEMBRE 2010

Pr.ZNATI Kaoutar Anatomie Pathologique

MAI 2012

Pr. AMRANI Abdelouahed Chirurgie pédiatrique Pr. ABOUELALAA Khalil * Anesthésie Réanimation Pr. BENCHEBBA Driss * Traumatologie-orthopédie

Pr. DRISSI Mohamed * Anesthésie Réanimation

Pr. EL ALAOUI MHAMDI Mouna Chirurgie Générale Pr. EL KHATTABI Abdessadek * Médecine Interne Pr. EL OUAZZANI Hanane * Pneumophtisiologie

Pr. ER-RAJI Mounir Chirurgie Pédiatrique

Pr. JAHID Ahmed Anatomie Pathologique

Pr. MEHSSANI Jamal * Psychiatrie

Pr. RAISSOUNI Maha * Cardiologie

* Enseignants Militaires FEVRIER 2013

Pr.AHID Samir Pharmacologie

Pr.AIT EL CADI Mina Toxicologie

Pr.AMRANI HANCHI Laila Gastro-Entérologie

Pr.AMOR Mourad Anesthésie Réanimation

Pr.AWAB Almahdi Anesthésie Réanimation

Pr.BELAYACHI Jihane Réanimation Médicale

Pr.BELKHADIR Zakaria Houssain Anesthésie Réanimation

Pr.BENCHEKROUN Laila Biochimie-Chimie

Pr.BENKIRANE Souad Hématologie

Pr.BENNANA Ahmed* Informatique Pharmaceutique

Pr.BENSGHIR Mustapha * Anesthésie Réanimation

Pr.BENYAHIA Mohammed * Néphrologie

Pr.BOUATIA Mustapha Chimie Analytique et Bromatologie Pr.BOUABID Ahmed Salim* Traumatologie orthopédie

Pr BOUTARBOUCH Mahjouba Anatomie

Pr.CHAIB Ali * Cardiologie

Pr.DENDANE Tarek Réanimation Médicale

Pr.DINI Nouzha * Pédiatrie

Pr.ECH-CHERIF EL KETTANI Mohamed Ali Anesthésie Réanimation Pr.ECH-CHERIF EL KETTANI Najwa Radiologie

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Pr.EL JAOUDI Rachid * Toxicologie

Pr.EL KABABRI Maria Pédiatrie

Pr.EL KHANNOUSSI Basma Anatomie Pathologique

Pr.EL KHLOUFI Samir Anatomie

Pr.EL KORAICHI Alae Anesthésie Réanimation

Pr.EN-NOUALI Hassane * Radiologie

Pr.ERRGUIG Laila Physiologie

Pr.FIKRI Meryem Radiologie

Pr.GHFIR Imade Médecine Nucléaire

Pr.IMANE Zineb Pédiatrie

Pr.IRAQI Hind Endocrinologie et maladies métaboliques

Pr.KABBAJ Hakima Microbiologie

Pr.KADIRI Mohamed * Psychiatrie

Pr.MAAMAR Mouna Fatima Zahra Médecine Interne

Pr.MEDDAH Bouchra Pharmacologie

Pr.MELHAOUI Adyl Neuro-chirurgie

Pr.MRABTI Hind Oncologie Médicale

Pr.NEJJARI Rachid Pharmacognosie

Pr.OUBEJJA Houda Chirugie Pédiatrique

Pr.OUKABLI Mohamed * Anatomie Pathologique

Pr.RAHALI Younes Pharmacie Galénique

Pr.RATBI Ilham Génétique

Pr.RAHMANI Mounia Neurologie

Pr.REDA Karim * Ophtalmologie

Pr.REGRAGUI Wafa Neurologie

Pr.RKAIN Hanan Physiologie

Pr.ROSTOM Samira Rhumatologie

Pr.ROUAS Lamiaa Anatomie Pathologique

Pr.ROUIBAA Fedoua * Gastro-Entérologie

Pr SALIHOUN Mouna Gastro-Entérologie

Pr.SAYAH Rochde Chirurgie Cardio-Vasculaire

Pr.SEDDIK Hassan * Gastro-Entérologie

Pr.ZERHOUNI Hicham Chirurgie Pédiatrique

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AVRIL 2013

Pr.EL KHATIB MOHAMED KARIM * Stomatologie et Chirurgie Maxillo-faciale MAI 2013

Pr.BOUSLIMAN Yassir Toxicologie

MARS 2014

Pr. ACHIR Abdellah Chirurgie Thoracique

Pr.BENCHAKROUN Mohammed * Traumatologie- Orthopédie

Pr.BOUCHIKH Mohammed Chirurgie Thoracique

Pr. EL KABBAJ Driss * Néphrologie

Pr. EL MACHTANI IDRISSI Samira * Biochimie-Chimie

Pr. HARDIZI Houyam Histologie- Embryologie-Cytogénétique

Pr. HASSANI Amale * Pédiatrie

Pr. HERRAK Laila Pneumologie

Pr. JANANE Abdellah * Urologie

Pr. JEAIDI Anass * Hématologie Biologique

Pr. KOUACH Jaouad* Gynécologie-Obstétrique

Pr. LEMNOUER Abdelhay* Microbiologie

Pr. MAKRAM Sanaa * Pharmacologie

Pr. OULAHYANE Rachid* Chirurgie Pédiatrique

Pr. RHISSASSI Mohamed Jaafar CCV

Pr. SABRY Mohamed* Cardiologie

Pr. SEKKACH Youssef* Médecine Interne

Pr. TAZI MOUKHA Zakia Gynécologie-Obstétrique

AVRIL 2014

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PROFESSEURS AGREGES :

DECEMBRE 2014

Pr. ABILKASSEM Rachid* Pédiatrie

Pr. AIT BOUGHIMA Fadila Médecine Légale

Pr. BEKKALI Hicham * Anesthésie-Réanimation

Pr. BENAZZOU Salma Chirurgie Maxillo-Faciale

Pr. BOUABDELLAH Mounya Biochimie-Chimie

Pr. BOUCHRIK Mourad* Parasitologie

Pr. DERRAJI Soufiane* Pharmacie Clinique

Pr. DOBLALI Taoufik* Microbiologie

Pr. EL AYOUBI EL IDRISSI Ali Anatomie

Pr. EL GHADBANE Abdedaim Hatim* Anesthésie-Réanimation

Pr. EL MARJANY Mohammed* Radiothérapie

Pr. FEJJAL Nawfal Chirurgie Réparatrice et Plastique

Pr. JAHIDI Mohamed* O.R.L

Pr. LAKHAL Zouhair* Cardiologie

Pr. OUDGHIRI NEZHA Anesthésie-Réanimation

Pr. RAMI Mohamed Chirurgie Pédiatrique

Pr. SABIR Maria Psychiatrie

Pr. SBAI IDRISSI Karim* Médecine préventive, santé publique et Hyg. AOUT 2015

Pr. MEZIANE Meryem Dermatologie

Pr. TAHRI Latifa Rhumatologie

JANVIER 2016

Pr. BENKABBOU Amine Chirurgie Générale

Pr. EL ASRI Fouad* Ophtalmologie

Pr. ERRAMI Noureddine* O.R.L

Pr. NITASSI Sophia O.R.L

JUIN 2017

Pr. ABI Rachid* Microbiologie

Pr. ASFALOU Ilyasse* Cardiologie

Pr. BOUAYTI El Arbi* Médecine préventive, santé publique et Hyg.

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2 - ENSEIGNANTS-CHERCHEURS SCIENTIFIQUES

PROFESSEURS/Prs. HABILITES

Pr. ABOUDRAR Saadia Physiologie

Pr. ALAMI OUHABI Naima Biochimie-chimie

Pr. ALAOUI KATIM Pharmacologie

Pr. ALAOUI SLIMANI Lalla Naïma Histologie-Embryologie

Pr. ANSAR M’hammed Chimie Organique et Pharmacie Chimique

Pr .BARKIYOU Malika Histologie-Embryologie

Pr. BOUHOUCHE Ahmed Génétique Humaine

Pr. BOUKLOUZE Abdelaziz Applications Pharmaceutiques Pr. CHAHED OUAZZANI Lalla Chadia Biochimie-chimie

Pr. DAKKA Taoufiq Physiologie

Pr. FAOUZI Moulay El Abbes Pharmacologie

Pr. IBRAHIMI Azeddine Biologie moléculaire/Biotechnologie

Pr. KHANFRI Jamal Eddine Biologie

Pr. OULAD BOUYAHYA IDRISSI Med Chimie Organique

Pr. REDHA Ahlam Chimie

Pr. TOUATI Driss Pharmacognosie

Pr. ZAHIDI Ahmed Pharmacologie

Mise à jour le 10/10/2018 Khaled Abdellah

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To Allah

First and Foremost I would like to praise and thank Allah, the Almighty. Thank You for being there when nobody else was. Thank You for helping me to

find peace when I was facing trials beyond my understanding. Thank You for the things that didn’t work out the way I once wanted them to, for your plan is

always better. Thank You for steering my life in the path of science and knowledge. Thank You for every breath and for every second. Thank You for

everything. Alhamdulillah.

To myself

I dedicate this work to myself, with pride and honor. When I look back over the past three years, I see the pain I have endured, the mistakes I have made, the fear, weakness, failure and all the hard times I have suffered all on my own. There were

lots of tears, sleepless nights and moments when I couldn’t believe in myself; it was very hard getting to this point and not giving up the fight. Now, when I look in the mirror, I see how strong I have become, and all the lessons I have learned, particularly

how to walk alone, pick myself back up and rise from the ashes. I’m grateful for the storm, I’m grateful for the closed doors, I’m grateful for all the hardships and turmoil

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To my loving father M’feddal AGHOUTANE

“A father is always making his baby into a little woman. And when she is a woman he turns her back again.” ―Enid Bagnold

The most amazing father! My source of inspiration and knowledge.. No words can express my respect, recognition and deep love. I want to thank you for raising me to become the person I am today. You always believed in me, showered me with infinite wisdom, taught me the value of hard work, and perseverance and pushed me to aspire to greatness rather than simply being content; all of this has shaped my objectives and

interests, and helped me to achieve them. I wouldn’t be where I am today if it wasn’t for your never ending support, guidance and encouragement. I hope to keep making

you proud and never disappoint you.

May Allah the Almighty grant you good health and long life. I love you baba, thanks!

To my loving mother SETITAH Fatima

“Most mothers are instinctive philosophers.” —Harriet Beecher Stowe

The world’s most wonderful mother! Words can never describe my great affection and deep gratitude. Thanks to your sacrifices, endless prayers and your inexhaustible patience, I persevered and never gave up. You’re my source of strength and my rock,

the thing that kept me going when I wanted to quit. I want you to know that your love and encouragement have been the foundation for my success, which is your success because without your values and wisdom, I never would have grown into the

woman I am today. I would not be standing here today if it wasn’t for your unconditional support. I hope to never disappoint you nor betray your trust.

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To my sister Kawthar

You are more than just a sister; you are my friend and my confident. Thank you for all the immeasurable effort you have invested in order to help me. You have encouraged me every step of the way, your unconditional support, especially through this past period, kept me strong and pushed me to do my best and follow my dreams. I

love you!

I also would like to dedicate this work to your baby, Salma, the most wonderful niece in the world; her little bright smiles and kisses were like a stress relief medication that

helped me through my difficult times. May Allah bless her and protect her. My thanks go also to your husband Marouane El Rhazi, who strongly encouraged

me and always amused me with his funny and sarcastic comments.

To my brother Ahmed

Your brotherly love is out of the common! You had faith in me even when I doubted myself. I can’t thank you enough for putting up with my constant complaining and

my endless solicitations. I will forever be grateful to you for your help, support, encouragement, and the countless car rides. I love you!

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To my brother Omar

You are my little piece of heaven. Thank you for always being there to provide me with whatever I ask for, and for tolerating my mood swings. I am so proud to be your

sister. I will always be there for you, to hold you and inspire you; and I cannot wait to see you become the successful decent man I know you can be. I love you!

To my sister Bouchra

I would like to express my deepest gratitude to you, my dear sister. Thank you for your encouragement and motivation during all these years. I feel really privileged to

have you as a sister. I dedicate this work to you, as an expression of my most sincere affection. I love you !

This work is also dedicated to your husband Zoubir Frej and your sons, my two lovely nephews Anas and Ilyas. May Allah bless them and protect them.

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To my cousin Jalal

You are like a brother to me. You have given me so much needed encouragement and support that has helped me tremendously. I also would like to mention your adorable wife Meryem Bellarbi and your lovely son El Yazid, whom I love so much, may Allah bless him and protect him. I dedicate this work to the three of you, as an expression of

my most sincere affection.

To my soul sister Abenyoujil Fatima Ezzahrae

Thank you for the 13 years of loyalty. Words can never suffice to properly give you your merit. I affectionately dedicate this work to you. May Allah protect you, your

husband and your son. I love you!

To my dear friends

Aboulmakarim Aïda, Harmouch Fadwa, Adil Hajar, Ait Ahmed Sahar, Arbouni Hind, Arhoutane Safae, Askaioui Laila, Azriouil Manal, Baba Safaa, Eddouali Wafae, Chater Meryem, Chaoubi Ikram, Elbhali Hajar, El mahi Jihane, Elmeliani

Amal, Essabani Sheimae, Oumachtaq Hajar, Blali Fadoua, Soukaina Alami… I dedicate this work to you as an expression of my gratitude for all the great memories, all the fun, laughter and smiles, and all the beautiful crazy moments we

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To my dear grandmother, grandfather, aunties, uncles, cousins and all my family

Thank you for your countless prayers and encouragement.

To the memory of my paternal grandparents and my uncle

I wish you were among us on this memorable day. May Allah rest your souls in peace and grant you the best place in paradise.

To my friends and colleagues who I inadvertently failed to mention To all my teachers in the Second Royal Military High School of Ifrane

Especially: Mr Rayane Mohammed, Mr Oumachtaq Youssef, Mr Sabri Kamal, Mr Achir, Mr Chadli Hasan and Mr Ferhane Zouhair

I feel really privileged to have been taught by you, for teachers as devoted as you are rather few. I would like to dedicate my work to you as an expression of my deep

gratitude. Thank you !

To all my teachers in primary and secondary school To all my professors in medical school of Rabat To all those who have touched my life in any way.

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I would like to express my sincere gratitude to the reviewers of this thesis.

To our master and jury president Professor AL BOUZIDI Abderrahmane

Professor of anatomic pathology

You granted us a great honor by accepting to preside over the jury of our thesis. This work will be an opportunity to express our consideration and deep

admiration for all of your scientific and human qualities. Please accept the expression of my deep gratitude for your time and effort to go through my

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To our master and thesis director Professor AMEUR Ahmed Professor of urologic surgery

You have honored me by agreeing to entrust me with this work. I would like to express my deepest heartfelt thanks and appreciation for your precious assistance, patience, dynamism and kindness; also for providing me with all that was needed to complete this project. Without your continuous motivation, support and encouragement, it could not be possible to conduct this research. I

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To our master and thesis judge Professor ALAMI Mohammed Professor of urologic surgery

I owe you my deepest gratitude for accepting to judge this thesis work and to be a member of this honorable jury. Your presence is a great honor and will definitely be a strong add-on for the evaluation of my work. Please accept the

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To our master and thesis judge Professor ELSAYEGH Hachem

Professor of urologic surgery

Your kindness of agreeing to be a member of this honorable jury is deeply appreciated; thank you for honoring us with your presence and your interest in

our thesis topic. Your knowledge and your expertise will absolutely be generously valuable in this thesis work. Please find here the expression of my

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To Dr Tetou, Dr EL Bahri, Hajar and all the urology department team

Thank you for your helpfulness and kindness; and for making my time in the department’s archives so enjoyable.

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List of Abbreviations

ADH : Antidiuretic hormone

AMP : Antimicrobial prophylaxis CDD : Charge coupled devices CO : Cardiac output

CO2 : Carbon dioxide

COTT : Cuffed oral tracheal tube CT : Computed tomography DVT : Deep venous thrombosis

eGFR : Estimated glomerular filtration rate ETCO2 : End tidal carbon dioxide

FDA : Food and Drug Administration FRC : Functional residual capacity GIA : Gastrointestinal anastomosis

HALN : Hand-assisted laparoscopic nephrectomy IAP : Intra-abdominal pressure

IVC : Vena cava

LBP : Low back pain LK : Left kidney

LMA : Laryngeal mask airway

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MAC : Main renal artery clamping

MDRD : Modification of Diet in Renal Disease MRI : Magnetic resonance imaging

N2O : Nitrous oxide

NSAIDs : Nonsteroidal anti-inflammatory drugs PaCO2 : Partial pressure of carbon dioxide PCD : Pneumatic compression devices PE : Pulmonary embolism

PEG : Polyethylene glycol

PONV : Postoperative nausea and vomiting PP : Pneumoperitoneum

PT : Prothrombin time RCC : Renal cell carcinoma RK : Right kidney

SAC : Selective renal artery clamping SMA : Superior mesenteric artery SVR : Systemic vascular resistance TIVA : Total intravenous anesthesia UH : Unfractionated heparin VTE : Venous thromboembolism

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ILLUSTRATIONS

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List of figures

Figure 1: Gross anatomy of the kidney (anterior view) ... 8 Figure 2: Horizontal section through the abdomen to show renal fascia... 10 Figure 3: Coronal section of the left kidney ... 12 Figure 4: Section of kidney showing the position of nephrons. The nephron is the functional unit of the kidney ... 13 Figure 5: Posterior relations of the kidneys ... 16 Figure 6: Anterior relations of the kidneys ... 17 Figure 7: Renal and related vessels. ... 19 Figure 8: Vascular anatomy of the kidney. ... 20 Figure 9: Graves’ anatomic classification of segmental renal arteries ... 21 Figure 10: Blood flow in the kidney. ... 22 Figure 11: Instrumentation of visualization. ... 32 Figure 12: Examples of insufflator units and their control inputs. ... 34 Figure 13: The Veress needle ... 36 Figure 14: Examples of bladed and non-bladed trocars ... 37 Figure 15: Retractor systems ... 43 Figure 16: LigaSure device ... 44 Figure 17: EnSeal sealing device ... 45 Figure 18: Harmonic Scalpel ... 45 Figure 19: Argon beam coagulation ... 46 Figure 20: Caiman radiofrequency sealing device ... 46 Figure 21: Thunderbeat device ... 47 Figure 22: A,Bulldog clamp. B, Laparoscopic clamping performed with a bulldog clamp .... 49 Figure 23: Deployment of an Endo Catch ... 51 Figure 24: The operating room configuration ... 54 Figure 25: Laparoscopy instruments tray ... 55

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Figure 28: Patient and laparoscopic cart ... 57 Figure 29: The Veress technique ... 60 Figure 30: Port placement: three-trocar configuration ... 63 Figure 31: Port placement: four-trocar configuration ... 64 Figure 32: Triangulation rule. ... 65 Figure 33: Port placement : three-trocar configuration ... 66 Figure 34: Incision of the white line of Toldt ... 69 Figure 35: Division of the colorenal attachments during a left-sided nephrectomy ... 70 Figure 36: Mobilization of the duodenum for right-sided radical nephrectomy, using a Kocher maneuver ... 70 Figure 37: Colon mobilization and dissection. ... 71 Figure 38: Dissection of the ureter. ... 73 Figure 39: Dissection of the ureter. ... 73 Figure 40: Exposure and dissection of the hilum ... 75 Figurre 41: Exposure (A) and dissection (B) of the renal hilum. ... 76 Figure 42: Renal hilum ligature (left side) ... 78 Figure 43: En bloc stapling of the renal hilum. ... 78 Figure 44: Renal hilum transection ... 79 Figure 45: Mobilization of the kidney and the adrenal gland (right side) ... 81 Figure 46: Mobilization of the kidney and the adrenal gland (left side) ... 81 Figure 47: Mobilization of the kidney : upper pole dissection. ... 82 Figure 48: Transection of the ureter. ... 82 Figure 49: Specimen entrapment. ... 85 Figure 50: Specimen entrapment. ... 85 Figure 51: Removal of an intact specimen ... 86 Figure 52: Specimen removal. ... 86 Figure 53: Laparoscopic ultrasound to locate the mass. ... 91

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Figure 57: Tumor resection ... 93 Figure 58: Repair of a collecting system injury. ... 93 Figure 59: Application of a biological hemostatic agent ... 94 Figure 60: Bolstered renorrhaphy. ... 94 Figure 61: Patient position for retroperitoneoscopic surgery... 99 Figure 62: Balloon dilation displaces Gerota fascia and the kidney anteromedially. P, Posterior abdominal wall musculature. ... 99 Figure 63: Patients’ ages by years ... 113 Figure 64: Gender distribution of the study population. ... 114 Figure 65: Discovery circumstances. ... 115 Figure 66: Type of resection. ... 119 Figure 67: Side operated. ... 119 Figure 68: Conversion ... 120 Figure 69: Anatomic pathology results ... 121 Figure 70: Complications ... 122

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LIST OF TABLES

Table 1: Graspers for traditional laparoscopic surgery ... 40 Table 2: Different types of laparoscopic dissectors ... 41 Table 3: Different types of laparoscopic scissors ... 41 Table 4: Instruments for suturing and knot tying ... 42 Table 5: Various types of clip appliers and clamps ... 50 Table 6: Extractor specifications ... 50 Table 7: Operating room set-up check list ... 53 Table 8: Summary of our patients’ clinical data ... 105 Table 9: Summary of biological tests’ results ... 107 Table 10: Summary of radiological examinations’ results ... 108 Table 11: Summary of our patients’ operative data... 110 Table 12: Summary of our patients’ postoperative data ... 111 Table 13: Patients’ past histories. ... 114 Table 14: Circumstances of discovery. ... 115 Table 15: Reports of laparoscopic nephrectomy. ... 132 Table 16: Comparison of laparoscopic and open nephrectomy ... 141

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INTRODUCTION ...1 HISTORY AND BACKGROUND ...3 ANATOMY...6 I) External anatomy...7 1) Gross anatomy ...7 2) Capsules of the kidney ...9 II) Internal and microscopic anatomy ... 11 a- Cortex ... 11 b- Medulla ... 11 c- The calyceal system and the renal pelvis ... 11 III) Anatomical relations ... 14 1) Superior ... 14 2) Inferior ... 14 3) Posterior ... 14 4) Anterior... 15 5) Peritoneal relations ... 15 IV) Vasculature ... 18 1) Arterial ... 18 2) Venous ... 23 3) Lymphatic ... 23 4) Nerve supply ... 23 V) Applied surgical anatomy... 24

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1) Physiological effects of laparoscopic surgery ... 26 a- Pulmonary and respiratory changes ... 26 b- Cardiovascular changes ... 27 c- Miscellaneous changes ... 28 2) Anesthesia in laparoscopic surgery ... 29 II) Laparoscopic instrumentation ... 30 1) Instrumentation for visualization ... 30 a- Light source ... 30 b- Light cable transmitter ... 30 c- Camera ... 31 d- Scope ... 31 e- Monitor ... 32 2) Insufflation system ... 33 a- Insufflator unit ... 33 b- Tubing equipment ... 33 c- Insufflation gas ... 33 3) Suction-irrigation system ... 35 4) Operating instruments ... 35 4.1- Access instruments ... 35 4.2- Manipulation instruments... 38 a- Instruments for dissection ... 38 b- Needle drivers and suturing instruments ... 39 c- Retractors ... 39

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b- Mechanical vascular control ... 47 c- Biologic hemostasis ... 47 4.4- Specimen retrieval ... 48 III) Transperitoneal approach ... 52 1) Patient positioning and initial preparation ... 52 a) Operating room and equipment set-up ... 52 b) Patient positioning ... 56 2) Access and port placement ... 58 A. Obtaining the pneumoperitoneum ... 58 B. Port placement... 61 3) Surgical technique ... 67 3.1- Simple / Radical nephrectomy... 67 a) Colon mobilization ... 67 b) Ureter and gonadal vessels identification ... 72 c) Exposure and dissection of the renal hilum ... 74 d) Renal hilum ligature and transection ... 77 e) Mobilization of the kidney and the adrenal gland ... 80 f) Ligation and transection of the ureter ... 80 g) Entrapment and specimen extraction ... 83 3.2- Partial nephrectomy ... 87 a) Vessels dissection ... 87 b) Tumor localization ... 87 c) Tumor dissection and resection ... 87

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3.5- Postoperative management ... 95 IV) Alternative approaches ... 96 1) Hand-assisted approach ... 96 2) Retroperitoneal approach ... 97 MATERIAL AND METHODS ... 100 I- Type of study ... 101 II- Objective... 101 III- Inclusion criteria ... 101 IV- Exclusion criteria ... 101 V- Data collection ... 102 A- Preoperative data ... 105 B- Operative data ... 110 C- Postoperative data ... 111 RESULTS ... 112 A) Preoperative Data ... 113 I- Epidemiology ... 113 II- Clinical data ... 114 1. Past history of the patients ... 114 2. Discovery circumstances ... 115 III- Paraclinical data ... 116 1. Biological assessment ... 116 2. Imaging examinations ... 116 a) Ultrasound scan ... 116

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d) Magnetic resonance imaging (MRI) ... 117 B) Operative data ... 118 I- Preoperative preparation ... 118 1. Bowel preparation ... 118 2. Antibiotic prophylaxis ... 118 3. Anti-thrombotic prophylaxis ... 118 4. Skin preparation ... 118 II- Type of resection ... 118 III- Intraoperative complications ... 120 IV- Conversion ... 120 V- Anatomic pathology results ... 121 C) Postoperative data ... 122 I- Complications ... 122 II- Length of hospital stay ... 122 III- Postoperative pain management... 122 DISCUSSION ... 123 I- Indications ... 124 II- Preoperative preparation ... 125 1) Patient selection ... 125 2) Consent ... 126 3) Preoperative evaluation should include ... 127 4) Bowel preparation ... 128 5) Antibiotic prophylaxis ... 128

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III- Postoperative management ... 130 1) Postoperative pain management ... 130 2) Length of hospital stay ... 131 IV- Conversion ... 133 V- Complications ... 134 1) Physiological complications ... 134 2) Access related complications ... 135 3) Intra-operative complications ... 136 4) Postoperative complications ... 137 5) Complications in the literature ... 138 VI- Laparoscopy versus open surgery ... 139 CONCLUSION ... 142 ABSTRACTS ... 144 REFERENCES ... 148

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The modern endoscopic/laparoscopic era’ beginning is in the early 19th century with the description of a cystoscope by Phillip Bozzini.1

Since the mid-1990s, there has been an evolution in surgical practice from traditional open approaches toward minimally invasive means of treating operative lesions. In 1991, Clayman and associates reported the first simple laparoscopic nephrectomy (LN) on a 54-year-old woman with oncocytoma.7, 75

Nowadays, LN is ubiquitous at all major institutions, and due to continued improvement in instrumentation, the procedure has replaced open nephrectomy as the preferred approach for treating most pathologic conditions of the kidney requiring extirpative surgery.127 The advantages of reduced blood loss, decreased analgesia requirements for postoperative pain, shorter hospital stay, earlier return to normal activities, and improved cosmesis compared to the open approach are well documented.71 Other laparoscopic kidney procedures have also followed suit, namely, laparoscopic donor nephrectomy (LDN), laparoscopic partial nephrectomy (LPN), and laparoscopic pyeloplasty (LP).127

There are three basic laparoscopic approaches for nephrectomy: transperitoneal, retroperitoneal, and hand-assisted. The transperitoneal route is the traditional method used to perform laparoscopic surgery.72

Our study is retrospective over a period of 2 years between April 2015 and July 2017 regarding 18 patients who have undergone a transperitoneal laparoscopic nephrectomy (simple/radical) for a variety of pathologies, in the department of urology in Mohammed V Military Instruction Hospital of Rabat (HMIMV). The purpose of this study is to report the experience of our department regarding the transperitoneal laparoscopic nephrectomy technique: namely, discussing the preoperative and postoperative management, and analyzing the results in terms of feasibility and morbidity.

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HISTORY AND

BACKGROUND

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The beginning of the modern endoscopic/laparoscopic era is the early 19th century when Phillip Bozzini described a cystoscope (1805). This early endoscope consisted of a complex system of reflecting mirrors, candles, and a urethral cannula.1

It’s in 1901 that the term coelioscopy was firstly used, when George Kelling, a surgeon from Desden, Germany, examined the peritoneal cavity of a living dog by using pneumoperitoneum. He applied the method in humans in 1910 but he failed to publish his work.2; 3

The investigator generally considered to be the man responsible for popularizing the technique in humans, was the Stockholm-born physician Hans Christian Jakobaeus, who is credited with coining the term “laparoscopy” (“laparothorakoskopie”) when he published his clinical experience in 1910; at almost the same time, Bertram Bernheim performed the first laparoscopic procedure In the United States at Johns Hopkins University Hospital. 2; 4; 5; 6

This had opened up to different stages of technological development; the most critical one was the invention of the Hopkins rods-lens system in 1952, which have paved the way to the modern laparoscopy.

In urological surgery, the first interventions date back to the 1980s, but they were limited to rare indications such as varicoceles, testicular ectopias and lymph node dissection. But in fact, the real development of laparoscopic urology started after the first transperitoneal laparoscopic nephrectomy performed by Ralph Clayman and his team at Washington University in 1991, followed a few months later, by a same case performed in Dijon by a French team: Ferry.7; 8 Two years later, GAUR was the first to propose the retroperitoneal approach to perform simple nephrectomies.9

From 1991 to 1994, small series publications appeared, with a high complication rate, related to both the learning curve and the less standardized techniques. It is only since 1994 that considerable progress has been made along with more expanded series and better standardized techniques.10

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In fact, we can say that from 1998 laparoscopy has become a useful and reliable technique in urology, owing to better codified interventions, and thus better defined laparoscopy. This evolution has allowed more meticulous gestures thanks to a finer anatomy (the image is enlarged by more than 15 times), but the most interesting aspect of laparoscopy is that of the intracorporeal construction: Ureteral reimplantation, pyeloplasty, colposuspension...7; 11

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I) External anatomy

1) Gross anatomy

(Figure 1)

- Location and measurements :

 The kidneys are a pair of highly vascular (receiving 20% of the cardiac output) solid organs located in the retroperitoneal space against the posterior abdominal wall between the transverse processes of T12-L3 vertebrae. Kidneys are mobile and their position changes during respiration. The right kidney is lower than the left pushed down by the liver.13

 Each kidney weighs between 130 and 150g and is about 10-12 cm long, 5-7 cm wide, and 3-4 cm thick. 13

- External features :

 Kidneys have a very distinct shape and color; they are bean-shaped and dark-red in color.

 Each kidney has:

Two poles : superior and inferior

Two surfaces : anterior and posterior

Two borders: the lateral bulges outward (convex) and the medial is indented (concave).

Hilum : In the medial surface of the indented section of each kidney there is a depression, known as the hilum which opens into the renal sinus – a central space surrounded by the renal parenchyma where structures servicing the kidneys -vessels, nerves, lymphatics, and ureters- enter and exit.14; 15

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2) Capsules of the kidney

(Figure 2)

Each kidney is covered by a thin fibroelastic structure, the renal capsule; which is surrounded by a protective layer of fat, peri-renal fat or the adipose capsule of the kidney. Another layer of connective tissue termed the renal fascia (Gerota’s fascia) encapsulates the kidney along with the peri-renal fat and the suprarenal gland. The anterior and posterior leaves of Gerota’s fascia extend anterior and posterior to the kidney to fuse laterally, medially (where they extend across the midline and fuse densely to great vessels) and superiorly (where they fuse and disappear over the inferior diaphragmatic surface). A second layer of fat, para-renal fat, lies external to the renal fascia.13; 14

Thus, the renal capsules are not only a storage container for internal components of the kidneys, but they also protect against infections and trauma.15

P.s: The kidneys perform multiple functions:

- Filtration and excretion of metabolic waste products

- Regulation and maintenance of fluid, electrolyte and acid base balance - Regulation of blood pressure via the renin–angiotensin–aldosterone system

- Stimulation of production of erythrocytes via secretion of erythropoietin - Calcium regulation via calcitriol production and vitamin D activation.13

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Figure 2: Horizontal section through the abdomen to show renal fascia, as described in the text. The arrow indicates the lumbar approach to the kidney.18

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II) Internal and microscopic anatomy

(Figures 3 and 4)

A Coronal section through the kidney reveals 3 regions: an outer cortex, a medulla in the middle, and the renal pelvis in the hilum.

a- Cortex

The renal cortex, the paler layer, is packed with glomeruli, proximal and distal convoluted tubules of nephrons and collecting tubules.

b- Medulla

The renal medulla, the darker layer, is composed of 7-18 triangular masses of tissue called renal pyramids (Malpighi’s pyramids).13Each pyramid- containing Henle loops of nephrons with their 2 limbs (descending and ascending), and collecting ducts of Bellini- creates urine and terminates into a renal papilla16. In between the pyramids are spaces called renal columns (columns of Bertin) through which the blood vessels pass. 17

c- The calyceal system and the renal pelvis

Each renal papilla drains into a collecting pool called a minor calyx; several minor calyces connect to form a major calyx; all major calyces connect to the single renal pelvis which connects to the ureter through the ureteropelvic junction (UPJ). 13; 16

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III) Anatomical relations

1) Superior

- The superior pole of the kidney is covered by the suprarenal glands.

- The upper part of the kidney is usually separated by the diaphragm from the pleura and lung. However, in the vertebrocostal trigone, the kidney and the pleura may be separated only by connective tissue. 18

2) Inferior

Inferiorly, the two leaves of Gerota’s fascia do not fuse, and there remains an open potential space containing the ureter and gonadal vessels on either side which thins and is continuous with the retroperitoneal fascia.14

3) Posterior

(Figure 5)  Right:

- Diaphragm - 12th rib

- Psoas major, quadratus lumborum and transversus abdominis - Subcostal vessels and nerve/ iliohypogastric and ilioinguinal nerves

 Left :

- Diaphragm - 11th and 12th ribs

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4) Anterior

(Figure 6)  Right : - Liver - Duodenum

- Right colic flexure ( hepatic flexure) - Small intestine

 Left : - Spleen - Stomach - Pancreas

- Left colic flexure (splenic flexure) - Small Intestine 19

5) Peritoneal relations

The kidneys are retroperitoneal. Certain areas of each kidney are covered anteriorly by the peritoneum (the hepatorenal and the hepatocolic ligaments in right; the splenorenal and splenocolic ligaments in left) whereas others are bare.14; 18

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Figure 5: Posterior relations of the kidneys. The posterior Relations of 2 kidneys are the same, with the exception of that right kidney is related to 1 rib while left kidney is associated with

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Figure 6: Anterior relations of the kidneys. The areas covered by peritoneum are shown in blue. In addition to the renal vessels, the origins of the celiac, superior mesenteric, gonadal (testicular or ovarian), and inferior mesenteric arteries are included, as are the terminations of the gonadal

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IV) Vasculature

The kidneys are well vascularized and receive 25 percent of the cardiac output at rest.16 The vascular pedicle composed of the posterior sited renal artery and more interiorly sited renal vein enters the kidney via the renal hilum medially. 14

1) Arterial

(Figures 7 ; 8 ; 9 ; 10)

The renal arteries come off perpendicularly from the lateral aspect of the aorta just below the level of the SMA at L2 level.13 The right renal artery is longer than the left because it passes posteroinferiorly behind the IVC to the lower right kidney. 14

The first branch of the renal artery is to the respective suprarenal gland (the inferior suprarenal artery). It also provides branches to the renal pelvis and upper part of the ureter. 13

Thereafter, as approaching the hilum, the renal artery subdivides into five segmental arteries, one posterior (dorsal) and four anterior or ventral (apical, upper, middle and lower). All five are end arteries, without anastomosis or collaterals. 14

These branches undergo further divisions to supply the renal parenchyma:

 Each segmental artery divides to form interlobar arteries. They are situated either side every renal pyramid.19

 At the junction of the renal cortex and medulla, the interlobar arteries branch into arcuate arteries, interlobular arteries and then into afferent arterioles. 17  The afferent arterioles form a capillary network where filtration takes place,

the glomerulus. The glomerular capillaries come together to form the efferent arterioles. 19

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Figure 8: Vascular anatomy of the kidney. A 25° left posterior oblique image obtained during selective renal arteriography, shows bifurcation of the main renal artery into dorsal (D) and

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Figure 9: Graves’ anatomic classification of segmental renal arteries. The illustration features the right kidney; the left is similar. In addition to the classical variant, a high percentage of patients show anatomic variations. Courtesy of V. Ficarra, University of Udine, and V. Macchi,

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2) Venous

(Figures 7 and 10)

The venous drainage of each kidney is carried out by the corresponding renal vein. Veins trace the path of the arteries and have similar names except there are no segmental veins. 17

Veins from all the segments communicate extensively with each other unlike the arteries which are end arteries. 13

The efferent arterioles turn into peritubular capillaries (in the outer two-thirds of the cortex) and vasa recta (in the inner third of the cortex and the medulla) that merge to form five to six veins. These in turn unite in the region of the sinus to become the renal veins. 19; 14

The renal veins leave the renal hilum anteriorly to the renal arteries, and empty directly into the IVC. 19

The left renal vein is longer than the right, as it crosses the midline anterior to the abdominal aorta below the origin of the SMA to reach the IVC. It also receives the left gonadal vein, left suprarenal vein and lumbar veins whereas on the right side they drain directly into the IVC. 13

3) Lymphatic

The lymphatic drainage is similar to the venous drainage. The renal lymph nodes anatomical distribution area is very extensive and varies from one individual to another.24

Generally, the ultimate lymph drainage for the left kidney is to the left paraaortic lymph nodes and on the right to the right interaortocaval and paracaval lymph nodes.14

4) Nerve supply

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The preganglionic sympathetic nervous innervation to the kidneys arises from the spinal cord at the level of T10 to L1 27. They synapse onto the coeliac and aorticorenal ganglia and follow the thoracolumbar splanchnic nerve to provide vasomotor supply 26.

Parasympathetic fibers from the vagus nerve as well as fibers from the intermesenteric plexus (S2 to S4) also innervate the kidneys.

Branches that include pain fibers from the renal pelvis and calyces travel via the coeliac plexus to the sympathetic trunk by route of the splanchnic nerves. 26

V) Applied surgical anatomy

The kidneys are retroperitoneal organs and therefore they can be operated on surgically with laparoscopic or open approaches – both can be either transperitoneal or retroperitoneal.28 Depending on which surgical approach is used, the patient may need to be positioned either supine, prone or in the lateral position. It should be noted that the lower ribs are closely related to the kidneys, which increases the risk of potential pleural/lung injury during surgery or percutaneous interventions of the kidney. 13

The kidneys are extremely vascular and hence the risk of bleeding must be taken into account.28 Moreover, it is worth to highlight that the internal anatomy is radially oriented; the intrarenal arteries, veins and calyces fan out radially from the hilar sinus towards the lateral convex border of the kidney. Thus, a radial nephrotomy incision during unclamped partial nephrectomy may result in less bleeding than for a nonradial incision.29 Furthermore, as quoted previously, the line of Brodel is avascular; therefore it provides safe access to the pelvicalyceal system for procedures such as nephrostomy insertion or stone retrieval. 13

In the case of renal masses an understanding of the renal anatomy and vasculature is essential for preoperative surgical planning. For this reason, three anatomy-based nephrometry scoring systems have been proposed to provide standard, more objective

(71)

LAPAROSCOPIC

NEPHRECTOMY: GENERAL

CONSIDERATIONS,

DESCRIPTION AND

TECHNICAL ASPECTS

(72)

I) Fundamentals of laparoscopy

Most of the organs in the genitourinary system lie within the retroperitoneum or in the extraperitoneal space. The retroperitoneum can be entered either directly or transperitoneally; that being so, there are three basic laparoscopic approaches for nephrectomy: transperitoneal, retroperitoneal, and hand-assisted. There are no prospective perioperative or postoperative outcome data supporting one approach or the other; therefore, the decision of which approach to choose is left to the surgeon’s discretion relying on his personal skills and experience; it also depends upon many other factors such as the operation to be performed, the patient’s body habitus and a prior history of abdominal surgery. 32 ; 33 ; 48

1) Physiological effects of laparoscopic surgery

Laparoscopic surgery affects haemodynamics and respiration, even in healthy patients. These physiological effects can be deleterious for patients with cardiopulmonary comorbidity. Those influences are related to the combination of the various means used to allow surgeons to see the surgical field during laparoscopic operation: Elevated intra-abdominal pressure (IAP) / the gas used (absorption of the the insufflated gas) / the patient positioning.

a- Pulmonary and respiratory changes

The pneumoperitoneum is created by insufflation of carbon dioxide (CO2) which is the gas of choice during laparoscopic surgery. The raised intra-abdominal pressure during pneumoperitoneum alters respiratory mechanics.

Pneumoperitoneum transmits pressure to the thorax, the upward pressure reduces diaphragmatic excursion and shifts the diaphragm cephalad; it also compresses the lungs and chest cavity and impedes their expansion, in other words, decreases thoraco-pulmonary compliance which leads to a reduction in the functional residual capacity (FRC). This circumstance exacerbates the decrease in FRC and lung compliance associated with the patient positioning and the induction of general anesthesia.

(73)

The decreased end-expiratory lung volume leads in turn to atelectasis and ventilation-perfusion mismatch with a higher degree of intra-pulmonary shunting, which worsens the increase in the partial pressure of carbon dioxide (PaCO2) caused by absorption of insufflated CO2 ( but, in routine cases, it is easily anesthetically managed by increasing minute ventilation)

Those pulmonary physiological changes may result in significant hypoxemia especially in older patients and those with compromised cardiopulmonary function. 36 ; 37 ; 38 ; 39

b- Cardiovascular changes

The extent of alterations in the cardiovascular function depends on the interaction of several patient’s and surgical factors including the IAP attained, volume of CO2 absorbed, patient position, ventilatory strategy, anesthetic agents used, the surgical technique and the nature and duration of the procedure.38; 40

Basically, those cardiovascular changes can be resumed in: an increase in arterial pressures/ elevation of pulmonary and systemic vascular resistance (SVR) and a decrease in cardiac output (CO).41

SVR is increased due to both mechanical compression of the abdominal aorta and neurohumoral factors such as release of catecholamines and vasopressin and activation of the rennin-angiotensin-aldosterone axis. 37

The decreases in CO are due to a decreased venous return (decreased cardiac preload) from compression of the inferior vena cava, from increased resistance in the venous circulation, from the pooling of blood in legs and from hypovolemia due to preoperative bowel preparation. 36

P.s: it also should be noted that peritoneal stretching may cause severe bradycardia and

(74)

disease may be at increased risk for further cardiac compromise. To mitigate these effects, we should use the lowest insufflation pressure required to achieve adequate surgical exposure; this latter should be less than 15mmHg. 36

c- Miscellaneous changes

 Neurological system:

Raised intracranial pressure with consequent reduced cerebral perfusion pressure may occur due to hypercapnia, increased SVR, raised intra-abdominal pressures and head-down positioning.42

This increase in cerebral blood flow, which is usually tolerated, can be detrimental on patients with cerebral disease, reduced intracranial compliance or impaired cerebral physiology.41

 Renal system :

There is usually a decrease in urine output due to reduced renal blood flow and glomerular filtration rate. There is also an increased release of rennin with sodium retention and a release of antidiuretic hormone (ADH) increasing water absorption in the distal tubules.34

 Femoral circulation :

Lower extremity venous stasis may lead to deep venous thrombosis (DVT) and pulmonary embolism (PE). 34

 Gastro-intestinal system :

Decreased sympathetic response, may lead to less ileus paralyticus. 34  Immunologic system :

Less pronounced immune suppression compared with open surgery. Thus, preserved postoperative immune defenses and less marked stress responses

(75)

2) Anesthesia in laparoscopic surgery

For most major laparoscopic urologic procedures, the preferred and safest anesthetic technique is the general endotracheal anesthesia with neuromuscular blockade. The neuraxial techniques alone are impractical, owing to the extreme patient positioning, the lengthy procedure, the prolonged abdominal insufflation, CO2 absorption and the patient discomfort.43

The choice of anesthetic agents should be governed by the skill of the anesthetist and their familiarity with the techniques and drugs.39

Propofol is the most frequently used sedative-hypnotic for induction of general anesthesia, although other agents may be of choice for some patients, such as: Etomidate and thiopentone.

Maintenance of anesthesia is accomplished through the use of an inhational agent (preferably sevoflurane or desflurane), opioid (use of ultra-short acting opioid analgesic remifentanil has gained popularity for fast-track laparoscopic procedures44) and muscle relaxant (succinylcholine/ mivacurium/ atracurium/ vecuronium) 38; 43

Alternatively, total intravenous anesthesia (TIVA) with propofol can be used in lieu of an inhalational anesthetic and is associated with less postoperative nausea and vomiting (PONV).45

The use of nitrous oxide (N20) has been controversial, because it creates suboptimal conditions by causing bowel distention which has led to infrequent use during laparoscopic procedures.43

Although the most common technique for airway management involves placement of a cuffed oral tracheal tube (COTT), the use of laryngeal mask airway (LMA) can avoid endotracheal intubation in selected non-obese patients, and reduces the incidence of post-operative sore throat. However, it should be restricted to short procedures with the use of low

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