Lainas Panagiotis

Dr. Panagiotis Lainas, MD, MSc, MSurg, PhD, is Associate Director of General Surgery at Metropolitan Hospital, offering specialized clinical and surgical services in the fields of gastrointestinal diseases (stomach, small and large intestine, rectum, anus, biliary tract, pancreas), surgical oncology, severe obesity and bariatric surgery, abdominal wall hernias and emergency surgery. Since September 2022, he is Head of the Department of Obesity and Metabolic Diseases at Healthspot Diagnostic Centers of the Hellenic Healthcare Group. In December 2023, he was appointed Head of the Department of Metabolic and Bariatric Surgery at Metropolitan Hospital. Concurrently, he holds the position of Clinical Associate Professor of Bariatric Surgery at the European University of Cyprus.

Dr. Lainas completed his secondary education at the European School of Brussels I (Belgium) and graduated from the Medical School of the University of Crete (Greece). He then worked as a scientific associate at Paris-Saclay University (France), where he obtained a Master of Science (MSc) in Surgical Sciences (Master de Sciences Chirurgicales et Nouvelles Technologies Interventionnelles). He subsequently completed a PhD in Surgical Sciences in the field of genetically modified hepatocyte transplantation for the treatment of inherited metabolic disorders and was awarded his doctorate with distinction from Paris-Saclay University in October 2012.

He specialized in General Surgery in Paris (Antoine-Béclère, Cochin, and Institut Montsouris hospitals), receiving the Certification in General Surgery. He then served for eight years as a University General Surgeon at Antoine-Béclère Hospital (Paris-Saclay University), where he further specialized in minimally invasive gastrointestinal surgery, surgical oncology, bariatric and metabolic surgery, abdominal wall hernia repair and emergency surgery.

Dr. Lainas has authored 127 publications in peer-reviewed international journals, with 2792 citations and an H-index of 25. He is a regular reviewer for 27 international surgical journals and member of several international research groups and scientific societies. He serves on the Editorial Board of the journal Obesity Surgery and is also an Associate Editor for the journal Obesity Facts.

• European Baccalaureate, European School of Brussels I, Uccle, Belgium (1999).
• Medical Degree (MD). University of Crete School of Medicine, Greece (1999-2005).
• The Centers for Surgical Anatomy and Technique, Emory University School of Medicine, Atlanta, Georgia, USA. "Surgical Anatomy." Head of department and supervisor: Pr John Elias SKANDALAKIS. (2004)
• Master degree in Surgical Sciences (MSc). Paris-Saclay University School of Medicine, Paris, France. Supervisor: Pr Dominique Franco. (2005-2006)
• Ph.D. in Surgical Sciences. Paris-Saclay University School of Medicine, Paris, France. Subject: “Transplantation of genetically modified hepatocytes: liver regeneration and strategies to improve hepatocyte engraftment.” Inserm U972, Laboratoire de transfert de gènes dans le foie : applications thérapeutiques, Bicêtre Hospital. Ph.D. Supervisor: Pr Ibrahim Dagher. Scholarships from Fondation de l’Avenir, Agence de la Biomédecine, Association Française Contre les Myopathies. (2006-2012)
• Postgraduate Diploma on Advanced Laparoscopic Surgery (DIU de Chirurgie Laparoscopique Avancée). Paris-Saclay University School of Medicine, Paris, France. (2012-2013)
• Postgraduate Diploma on Minimally Invasive Surgery (DIU de Chirurgie Digestive Minimale Invasive). Paris-Saclay University School of Medicine, Paris, France. (2014-2015)
• Postgraduate Diploma on Medical Teaching and Education (DIU de Pédagogie Médicale). Paris VI University School of Medicine (Pierre-et-Marie-Curie), Paris, France. (2017-2018)
• Training (resident) in General and Digestive Surgery (Athens, Paris).
  • 2009–2011: 2nd Department of General Surgery, Laiko University Hospital, Athens, Greece. Head of department: Pr Grigorios KOURAKLIS.
  • 2011-2013: Service de Chirurgie Digestive Minimale Invasive, Antoine-Béclère Hospital, Paris, France. Head of department: Pr Ibrahim DAGHER.
  • 2013–2014: Service de Chirurgie Digestive Hépatobiliaire et Endocrinienne, Cochin Hospital, Paris, France. Head of department: Pr Bertrand DOUSSET.
  • 2014: Service de Pathologie Digestive, Institut Montsouris, Paris, France. Head of department: Pr Brice Gayet.
  • 2014-2015: Service de Chirurgie Digestive Minimale Invasive, Antoine-Béclère Hospital, Paris, France. Head of department: Pr Ibrahim DAGHER.
  • Diploma of Specialization in General and Digestive Surgery, Athens, Greece. (2015)
   

Deputy Director of Minimally Invasive Digestive Surgery. Metropolitan Hospital of Athens, Neo Faliro, Greece (2022-today).

Consultant Surgeon of Digestive Surgery (2018-today). Department of Minimally Invasive Digestive Surgery, Antoine-Béclère Hospital, Paris-Saclay University, Paris, France. Head of Department: Pr Ibrahim DAGHER.

Senior University Registrar of Minimally Invasive Digestive Surgery (2015-2018). Department of Minimally Invasive Digestive Surgery, Antoine-Béclère Hospital, Paris-Saclay University, Paris, France. Head of Department: Pr Ibrahim DAGHER.

Surgical expertise in Minimally Invasive Digestive Surgery and Bariatric Surgery (2011-2022). Αntoine-Béclère, Cochin and Institut Montsouris hospitals, Paris, France.

Surgical trainee in General and Digestive Surgery (2009-2015). Laiko University Hospital of Athens (Greece) and Antoine-Béclère, Cochin and Institut Montsouris Hospitals in Paris, France.

Consultant Surgeon of Digestive Surgery (2018-today). Department of Minimally Invasive Digestive Surgery, Antoine-Béclère Hospital, Paris-Saclay University, Paris, France. Head of Department: Pr Ibrahim DAGHER.

Senior University Registrar of Minimally Invasive Digestive Surgery (2015-2018). - Paris-Sud (XI) University, School of Medicine, Kremlin-Bicêtre, Paris, France. Dean: Pr Didier SAMUEL. - Department of Minimally Invasive Digestive Surgery, Antoine-Béclère Hospital, Paris, France. Head of department: Pr Ibrahim DAGHER.

For Paris-Saclay University Medical School (former Paris-Sud XI University), Paris, France:

• Theoretical teaching
  • Postgraduate Diploma on Advanced Laparoscopic Surgery: full course organization since November 2016 and 6 teaching hours per year.
  • Postgraduate Diploma on Minimally Invasive Surgery: part of course organization from 2016 to 2018 and 2 teaching hours per year.
  • 6th year Medical School examinations (Certificat de Compétence Clinique 2016 and 2018): case report preparation for oral examination and member of the oral examination committee.
• Clinical teaching
  • Clinical teaching and evaluation 2nd, 5th and 6th year medical students.
  • Supervisor of medical thesis (thèse de médecine) of Dr Giada PATTARO, in cooperation with the Department of Surgical Oncology and Liver Transplantation of Rome, Italy (Pr GM ETTORRE). This cooperation led to a publication in the journal Surgical Endoscopy (Pattaro et al. Laparoscopic left liver resections: how far can we go? Surg Endosc 2017; 31(12): 5303-5311).
  • Supervisor of Dr Sofia TSIAKYROUDI during the Postgraduate University Diploma on Surgical Emergencies in 2017 (DU des Urgences Chirurgicales, Paris VI University).
  • Supervisor of Dr Giuseppe DI GIURO during the Postgraduate University Diploma of Bariatric Surgery in 2019 (DIU de Chirurgie de l’Obésité, Paris VII University).
  • Supervisor of Dr Carmelisa DAMMARO during the Postgraduate University Diploma of Bariatric Surgery in 2021 (DIU de Chirurgie de l’Obésité, Paris VII University).

For Antoine-Béclère Hospital, Paris, France:

• Clinical supervision of surgical trainees, focusing in laparoscopic and minimally invasive surgery.
• In charge the weekly bibliography meeting of the Minimally Invasive Digestive Surgery Department of Antoine-Béclère Hospital.
• Creation of the internet site of Minimally Invasive Digestive Surgery Department of Antoine-Béclère Hospital with medical information for patients and general practitioners.
• Supervision of trainees on medical projects and publishing in scientific journals.
• Chief organizer of Antoine-Beclere Minimally Invasive Digestive Surgery Meeting (once a year since 2016 in Paris; in English), with the presence of prestigious European and French speakers.

• Minimally Invasive Surgery: laparoscopic and micro-laparoscopic surgery, single-incision laparoscopic surgery, robotic surgery, low impact laparoscopic surgery (clinical research).
• Bariatric surgery and severe obesity (clinical and experimental research).
• Oncological surgery (clinical research).
• Laparoscopic liver surgery (clinical research).
• Liver regeneration strategies (clinical and experimental research).
• Transplantation of genetically modified (or not) hepatocytes for the treatment of metabolic liver diseases (experimental research).
• National Clinical Study (PHRC national) for the evaluation of a new minimally invasive technique of portal vein embolization (Reversible Partial Portal Vein Embolization) for preventing liver insufficiency after major hepatectomy for cancer. This technique was developed during Dr Lainas’ PhD research (clinical research).

• Scholarship for the 1st and 2nd year of Ph.D., Association Française contre les Myopathies (AFM), Paris, France (2006-2007).
• Travel Grant awarded for the best young researcher abstract (<35 years-old), 15th United European Gastroenterology Week (UEGW), Paris, France, October 27-31st 2007.
  Lainas P, Boudechiche L, Osorio A, Coulomb-Lhermine A, Weber A, Pariente D, Franco D, Dagher I. Liver regeneration and recanalization time-course following reversible portal vein embolization.
• Best oral presentation award, 118th National Congress of the French Society of Surgery (Congrès de l’Association Française de Chirurgie), Paris, France, September 28-30th 2016.
  Lainas P, Fuks D, Gaujoux S, Machroub Z, Fregeville A, Perniceni T, Mal F, Dousset B, Gayet B. Intérêt du scanner abdomino-pelvien préopératoire pour prévoir une nécrose de plastie après œsophagectomie pour cancer.
• Best oral presentation award, National Congress of the Italian Society of Bariatric Surgery and Metabolic Diseases (Società Italiana di Chirurgia dell'Obesità e delle Malattie Metaboliche), Rome, Italy, October 14-18th 2018.
  Dammaro C, Lainas P, Gaillard M, Donatelli G, Tranchart H, Dagher I. La sleeve gastrectomy laparoscopica nei pazienti con obesita grave di eta superior a 65 anni: risultati a breve termine.
• Top 5 VCR published in the Video Case Report Section of Obesity Surgery journal for 2020. Online presentation on June 11th 2020 (Covid era).
  Lainas P. Laparoscopic Roux-en-Y double fistulojejunostomy for chronic gastric leaks after converted vertical banded gastroplasty to sleeve gastrectomy.
• Best oral presentation award, Congrès annuel de la société Française et Francophone de Chirurgie de l'Obésité et des Maladies Métaboliques (SOFFCO.MM), Bordeaux, December 9-11th 2021.
  Lainas P, De Filippo, Courie R, Zervaki S, Del Basso C, Devaquet N, Perlemuter G, Dagher I. Sleeve gastrectomie laparoscopique pour le traitement d’obésité morbide chez les patients âgés de moins de 18 ans.
• Best Video (VCR) of IFSO for the year 2020 (after vote). Invited oral presentation, 25th World Congress of the International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO), Miami, USA, August 23-27th 2022.
  Lainas P. Laparoscopic Roux-en-Y double fistulojejunostomy for chronic gastric leaks after converted vertical banded gastroplasty to sleeve gastrectomy.

Editorial board member of International Scientific Journals:

2. Cancers, 2021-2024 (I.F.: 6.16)

1. Annals of Translational Medicine, 2019-2021 (I.F.: 3.93)

Reviewer for International Scientific Journals (22 journals, 87 reviews):

Obes Surg (23), Surg Oncol (11), World J Surg Oncol (8), HPB (6), Int J Colorect Dis (6), Cancers (4), BMC Anesthesiol (3), Int J Med Sci (3), Br J Surg (2), Ann Transl Med (2), BMC Surg (2), Cancer Manag Res (2), HPB Surg Nutr (2), Int J Surg (2), Surg Lap Endosc Percut Tech (2), J Visc Surg (2), Diab Metab Synd Obes (2), Current Oncology (1), JCRPE (1), Clin Res Pediatr Endocrinol (1), J Clin Med (1), J Pain Res (1).

101 publications, 2106 total timed cited, H-Index = 23

101. Lainas P, Triantafyllou E, Ben Amor V, Savvala N, Gugenheim J, Dagher I, Amor IB. Laparoscopic Roux-en-Y fistulojejunostomy as a salvage procedure in patients with chronic gastric leak after sleeve gastrectomy. Surg Obes Relat Dis 2023; (I.F.: 4.73)

100. Kermansaravi M, Kassir R, Shahsavan M, Lainas P, Chiappetta S. Approach to gastric intestinal metaplasia before bariatric surgery. Obes Surg 2023; 33(1): 366-7. (I.F.: 4.12)

99. Sanchez D, Lebrun A, Somda S, Lainas P, Lamouri K, Prevot S, Njike-Nakseu M, Tranchart H, Gaillard M, Zaidan M, Balian A, Dagher I, Naveau S, Perlemuter G, Voican CS. Impact of sleeve gastrectomy on renal function in patients with morbid obesity: a 1-year prospective cohort study. Langenbecks Arch Surg 2022; 407(8):3323-32. (I.F.: 3.44)

98. Chiappetta S, Lainas P, Kassir R, Valizadeh R, Bosco A, Kermansaravi M. Gastroesophageal Reflux Disease as an Indication of Revisional Bariatric Surgery-Indication and Results-a Systematic Review and Metanalysis. Obes Surg 2022; 32(9): 3156-71. (I.F.: 4.12)

97. Lainas P, Triantafyllou E, Dagher I. Reply to “Radiomics may be a new opportunity for bariatric surgery”. Obes Surg 2022; 32(9): 3181. (I.F.: 4.12)

96. Maraux L, Dammaro C, Gaillard M, Lainas P, Derienne J, Maitre S, Chague P, Rocher L, Dagher I, Tranchart H. Predicting the Need for Surgery in Uncomplicated Adhesive Small Bowel Obstruction: A Scoring Tool. J Surg Res 2022; 279:33-41. (I.F.: 2.41)

95. Kassir R, Lainas P, Chiappetta S, Kermansaravi M. Fast-Track Laparoscopic Bariatric Surgery: Interest in Home Infusion and Intravenous Therapy. Obes Surg 2022; 32(9): 3176-77. (I.F.: 4.12)

94. Lainas P, Triantafyllou E, Dagher I. Reply to "Implementation of Routine Computed Tomography (CT) Following Laparoscopic Sleeve Gastrectomy: New Evidence Brings New Challenges". Obes Surg 2022; (I.F.: 4.12)

93. Lainas P, Triantafyllou E, Chagué P, Dammaro C, Maitre S, Rocher L, Dagher I. Routine early computed tomography scanner after laparoscopic sleeve gastrectomy in high-risk severely obese patients is effective for bleeding or hematoma diagnosis but not for staple line leak detection: A prospective study. Obes Surg 2022; 32(5):1624-1630. (I.F.: 4.12)

92. Kermansaravi M, Valizadeh R, Davarpanah Jazi A, Shahmiri SS, Lopez Martinez JA,Mousavimaleki A, Eghbali F, Aliakbar A, Atarodi H, Aghajani E, Lainas P. Current Status of Metabolic/Bariatric Surgery in Type 1 Diabetes Mellitus: an Updated Systematic Review and Meta-analysis. Obes Surg 2022; 32(5):1726-1733. (I.F.: 4.12)

91. Tranchart H, Gaillard M, Bekkhoucha S, Dammaro C, Schoucair N, Lainas P, Voican CS, Chague P, Rocher L, Dagher I. Prevention of incisional hernia after single port sleeve gastrectomy (PRISM): a prospective non-randomized controlled study. Surg Endosc 2022; (I.F.: 4.58)

90. Kermansaravi M, Lainas P, Shahmiri SS, Yang W, Jazi AD, Vilallonga R, Antozzi L, Parmar C, Kassir R, Chiappetta S, Zubiaga L, Vitiello A, Mahawar K, Carbajo M, Musella M, Shikora S. The first survey addressing patients with BMI over 50: a survey of 789 bariatric surgeons. Surg Endosc 2022; (I.F.: 4.58)

89. Lainas P, Derienne J, Zervaki S, Del Basso C, Devaquet N, Tranchart H, Dagher I. Left hypochondrium or transumbilical single incision laparoscopic sleeve gastrectomy for the treatment of severe obesity: surgical technique and results of a tertiary referral bariatric center. Obes Surg 2021; 31(11): 5063-70. (I.F.: 4.12)

88. Gaillard M, Lainas P, Agostini H, Dagher I, Tranchart H. Impact of the calibration bougie diametre during laparoscopic sleeve gastrectomy on the rate of postoperative staple-line leak (BOUST): study protocol for a multicentre randomized prospective trial. Trials 2021; 22(1): 806-18. (I.F.: 2.05)

87. Del Basso C, Gaillard M, Lainas P, Zervaki S, Perlemuter G, Chagué P, Rocher R, Voican CS, Dagher I, Tranchart H. Current strategies to induce liver remnant hypertrophy before major liver resection. World J Hepatol 2021; 13(11): 1629-41. (I.F.: 3.17)

86. Tranchart H, Gaillard M, Kassir R, Gronnier C, Moszkowicz D, Amor IB, Lainas P, Savala N, Meunier H, Le Roux Y, Degrandi O, Baratte C, Vychnevskaia K, Gugenheim J, Dagher I. Malignancy in bariatric surgery patients: a French multisite cohort. Surg Endosc 2021; 35(11): 6021-30. (I.F.: 4.58)

85. Spota A, Cereatti F, Granieri S, Antonelli G, Dumont JL, Dagher I, Chiche R, Catheline JM, Pourcher G, Rebibo L, Calabrese D, Msika S, Tranchart H, Lainas P, Danan D, Tuszynski T, Pacini F, Arienzo R, Trelles N, Soprani A, Lazzati A, Torcivia A, Genser L, Derhy S, Fazi M, Bouillot JL, Marmuse JP, Chevallier JM, Donatelli G. Endoscopic Management of Bariatric Surgery Complications According to a Standardized Algorithm. Obes Surg 2021; 31(10): 4327-37. (I.F.: 4.12)

84. Kermansaravi M, Chiappetta S, Lainas P, Kassir R. Orthostatic Intolerance after Bariatric Surgery: a Systematic Review. Obes Surg 2021; 31(5): 2250-4. (I.F.: 4.12)

83. Donatelli G, Spota A, Cereatti F, Granieri S, Dagher I, Chiche R, Catheline JM, Pourcher G, Rebibo L, Calabrese D, Msika S, Dammaro C, Tranchart H, Lainas P, Tuszynski T, Pacini F, Arienzo R, Chevallier JM, Trelles N, Lazzati A, Paolino L, Papini F, Torcivia A, Genser L, Arapis K, Soprani A, Randone B, Chosidow D, Bouillot JL, Marmuse JP, Dumont JL. Endoscopic internal drainage for the management of leak, fistula, and collection after sleeve gastrectomy: our experience in 617 consecutive patients. Surg Obes Relat Dis 2021; 17(8): 1432-9. (I.F.: 4.73)

83. Lainas P, Kassir R, Benois M, Derienne J, Debs T, Safieddine M, Gugenheim J, Dagher I, Amor IB. Comparative analysis of robotic versus laparoscopic Roux-en-Y gastric bypass in severely obese patients. J Robot Surg 2021; 15(6): 891-8. (I.F.: 2.00)

82. Gaillard M, Esposito A, Lainas P, Cerbelaud P, Voican CS, Courie R, Chague P, Perlemuter G, Rocher L, Dagher I, Tranchart H. Computed tomography assessment of fat distribution and staple line leak risk after sleeve gastrectomy. Obes Surg 2021; 31(5): 2011-8. (I.F.: 4.12)

81. El Soueidy T, Kassir R, Nakhoul M, Balian A, Nunziante M, Safieddine M, Perlemuter G, Lainas P, Dagher I. Laparoscopic Greater Curvature Plication for the Treatment of Obesity: a Systematic Review. Obes Surg 2021; 31(3): 1168-82. (I.F.: 4.12)

80. Lainas P, El Soueidy T, Amor IB, Courie R, Perlemuter G, Guggenheim J, Dagher I. Laparoscopic sleeve gastrectomy for the treatment of idiopathic intracranial hypertension in patients with severe obesity. Surg Obes Relat Dis 2020; 16(12): 1971-7. (I.F.: 4.73)

79.Martínez-Cecilia D, Wicherts A, Cipriani F, Berardi G, Barkhatov L, Lainas P, D'Hondt M, Rotellar F, Dagher I, Aldrighetti L, Trois RI, Edwin B, Abu Hilal M. Impact of Resection Margins for Colorectal Liver Metastases in Laparoscopic and Open Liver Resection: A Propensity Score Analysis. Surg Endosc 2021; 35(2): 809-18. (I.F.: 4.58)

78. Donatelli G, Cereatti F, Dumont JL, Trelles N, Lainas P, Dammaro C, Tranchart H, Pacini F, Arienzo R, Chevalier JM, Danan D, Catheline JM, Dagher I. Submucosal tunnel endoscopic resection of gastric lesion before obesity surgery: a case series. Obes Surg 2020; 30(11): 4636-42. (I.F.: 3.60)

77. Manzia TM, Angelico R, Parente A, Muiesan P, Tisone G, MEGAVID (+ Lainas P) Clinical Investigator Group. Global management of a common, underrated surgical task during the COVID-19 pandemic: Gallstone disease - An international survey. Ann Med Surg 2020; 57: 95-102. (I.F.: 1.34)

76. Lainas P, Derienne J, Dammer C, Schoucair N, Devaquet N, Dagher I. Single-port Laparoscopic Surgery for the treatment of Sevare Obesity: Review and Perspectives. Obes Surg 2020; 30(7): 2781-90. (I.F.: 3.60)

75. Gaillard M, Tranchart H, Beaudreuil S, Lebrun A, Vican SC, Lainas P, Courie R, Perlemuter G, Parier B, Hammoudi Y, Durrbach A, Dagher I. Laparoscopic sleeve gastrectomy for morbid obesity in renal transplantation candidates: a matched case-control study. Transpl Int 2020; 33(9): 1061-70. (I.F.: 3.52)

74. Petrucciani N, Nigri G, Giannini G, Sborlini E, Antolino L, deʼAngelis N, Gavriilidis P, Valente R, Lainas P, Dagher I, Debs T, Ramacciato G. Total Pancreatectomy for Pancreatic Carcinoma: When, Why, and What Are the Outcomes? Results of a Systematic Review. Pancreas 2020; 49(2): 175-80. (I.F.: 2.92)

73. Lainas P, Rodda GA, Rafek G, Millereux M, Dammaro C, Trouiller P, Maitre S, Dagher I. Lifesaving transarterial embolization using absorbable gelatin sponge particles for massive bleeding of ruptured metastatic hepatic melanoma. Hepatobiliary Pancreat Dis Int 2020;19(2): 194-6. (I.F.: 2.42)

72. Tranchart H, Rebibo L, Gaillard M, Dhahri A, Lainas P, Regimbeau JM, Dagher I. Short-term outcomes of single-port versus conventional laparoscopic sleeve gastrectomy: a propensity score matched analysis. Surg Endosc 2020;34(9): 3978-85. (I.F.: 3.23)

71. Lainas P, De Filippo G, Di Giuro G, Rabih M, Bougneres P, Dagher I. Laparoscopic sleeve gastrectomy for adolescents under 18 years old with severe obesity. Obes Surg 2020; 30(1): 267-73. (I.F.: 3.60)

70. Amor IB, Lainas P, Kassir R, Etienne JH, Casanova V, Dagher I, Gugenheim J. Laparoscopic Roux-en-Y double fistulo-jejunostomy for chronic gastric leaks after converted vertical banded gastroplasty to sleeve gastrectomy. Obes Surg 2020; 30(1): 378-80. (I.F.: 3.60)

69. Cipriani F, Alzoubi M, Fuks D, Ratti F, Kawai T, Berardi G, Barkhatov L, Lainas P, Van der Poel M, Faoury M, Besselink MG, D'Hondt M, Dagher I, Edwin B, Troisi RI, Scatton O, Gayet B, Aldrighetti L, Abu Hilal M. Pure laparoscopic versus open hemihepatectomy: a critical assessment and realistic expectations - a propensity score-based analysis of right and left hemihepatectomies from nine European tertiary referral centers. J Hepatobiliary Pancreat Sci 2020; 27(1): 3-15. (I.F.: 2.87)

68. Lainas P, Schoucair N, Dammaro C, Dagher I. Salvage procedures for chronic gastric leaks after sleeve gastrectomy: the role of laparoscopic Roux-en-Y fistulo-jejunostomy. Ann Transl Med 2019; 7(Suppl 3): S119. (I.F.: 3.68)

67. Amor IB, Lainas P, Kassir R, Chenaitia H, Dagher I, Gugenheim J. Treatment of complex recurrent fistula-in-ano by surgery combined to autologous bone marrow-derived mesenchymal stroma cells and platelet-rich plasma injection. Int J Colorectal Dis 2019; 34(10): 1795-99. (I.F.: 2.53)

66. Lainas P, Dammaro C, Dumont JL, Tranchart H, Donatelli G, Dagher I. Endoscopic internal drainage coupled to prompt external drainage mobilization is an effective approach for the treatment of complicated cases of sleeve gastrectomy. Obes Surg 2019; 29(9): 2929-35. (I.F.: 3.60)

65. Van der Poel MJ, Barkhatov L, Fuks D, Berardi G, Cipriani F, Aljaiuossi A, Lainas P, D’Hondt M, Rottelar F, Aldrighetti L, Dagher I, Troisi R, Gayet B, Edwin B, Abu Hilal M. Multicentre propensity score matched study on laparoscopic versus open repeat liver resection for colorectal liver metastases. Br J Surg 2019; 106(6): 783-9. (I.F.: 5.54)

64. Lainas P, Dammaro C, Rodda GA, Morcelet M, Prevot S, Dagher I. Appendiceal endometriosis invading the sigmoid colon: a rare entity. Int J Colorectal Dis 2019; 34(6): 1147-50. (I.F.: 2.53)

63. Somda S, Lebrun A, Tranchart H, Lamouri K, Prevot S, Njike-Nakseu M, Gaillard M, Lainas P, Balian A, Dagher I, Perlemuter G, Naveau S, Voican CS. Adaptation of controlled attenuation parameter (CAP) measurement depth in morbidly obese patients addressed for bariatric surgery. PLoS One 2019;14(5): e0217093. (I.F.: 2.76)

62. Gaillard M, Tranchart H, Lainas P, Trassard O, Remy S, Dubart-Kupperschmitt A, Dagher I. Improving hepatocyte engraftment following hepatocyte transplantation using repeated reversible portal vein embolization in rats. Liver Transpl 2019; 25(1): 98-110. (I.F.: 3.75)

61. Lainas P, Dammaro C, Gaillard M, Donatelli G, Tranchart H, Dagher I. Safety and short term outcomes of laparoscopic sleeve gastrectomy for patients over 65 years-old with severe obesity. Surg Obes Relat Dis 2018; 14(7): 952-9. (I.F.: 4.94)

60. Lainas P, Ferretti S, Dagher I. Laparoscopic liver resection for segment VII hepatocellular carcinoma in a cirrhotic patient (with video). J Visc Surg 2018; 155(5): 423-5. (I.F.: 2.41)

59. Halls MC, Cipriani F, Berardi G, Barkhatov L, Lainas P, D'Hondt M, Rotellar F, Dagher I, Aldrighetti L, Troisi RI, Edwin B, Hilal MA. Response: "Conversion During Laparoscopic Liver Resections: A Step Forward". Ann Surg 2018; 268(6): e81-e82. (I.F.: 9.20)

58. Halls MC, Cipriani F, Berardi G, Barkhatov L, Lainas P, Alzoubi M, D'Hondt M, Rotellar F, Dagher I, Aldrighetti L, Troisi RI, Edwin B, Hilal MA. Conversion for Unfavorable Intraoperative Events Results in Significantly Worst Outcomes During Laparoscopic Liver Resection: Lessons Learned From a Multicenter Review of 2861 Cases. Ann Surg 2018; 268(6): 1051-7. (I.F.: 9.20)

57. Halls M, Berardi G, Cipriani F, Barkhatov L, Lainas P, Ratti F, D'Hondt M, Rotellar F, Dagher I, Aldrighetti L, Troisi R, Edwin B, Abu Hilal M. Development and validation of a difficulty score to predict intraoperative complications during laparoscopic liver resection. Br J Surg 2018; 105(9): 1182-91. <span s