List of Posters

Authors are requested to be present at the poster board and available for GUIDED POSTER SESSION on Friday 5 May; 13:30-14:30

P-01 Investigating the safety of patients with preoperative tachycardia and hypertension undergoing sleeve gastrectomy (ID 13)
Jason Widjaja, Jianjun Yang, Yan Gu
Bariatric and Metabolic Surgery, Fudan University Affiliated Huadong Hospital, Shanghai, China

P-02 WITHDRAWN

P-03 WITHDRAWN

P-04 Laparoscopic sleeve gastrectomy following failed laparoscopic adjustable gastric banding—a comparison study (ID 107)
Ahmad Mahajna, Moriel Speier, Ahmad Assalia
Department of General Surgery, Rambam Health Care Campus, Ruth & Bruce Rappaport Faculty of Medicine, Technion- Israel Institute of Technology,, Haifa, Israel

P-05 Correlation of gastric remnant volume with radioscopic parameters after laparoscopic sleeve gastrectomy with mid- and long-term weight loss – a cross-sectional study (ID 113)
Ioannis Tsiampas¹, Vasiliki Tseliou¹, Alexandros Vyrides², Stavroula Katsimente¹, Athanasios Pantelis¹, Ioannis Kalogeropoulos², Dimitrios Lapatsanis^1
1)4^th Surgical Department, Evaggelismos General Hospital, Athens, Greece; ²⁾Radiology Department, Evaggelismos General Hospital, Athens, Greece

P-06 Predictors of weight regain and insufficient weight loss according to different definitions after sleeve gastrectomy: a retrospective analytical study (ID 162)
Foolad Eghbali
Iran University of medical sciences, Rasoul Akram Hospital, Tehran, Iran

P-07 Laparoscopic sleeve gastrectomy for the super-super-obese patients: tips and tricks (ID 172)
Kristina Marcinkevičiūtė¹, Viktor Asejev¹, Vaidas Čereška^{1, 2}, Donatas Danys^{1, 2
1)}Faculty of Medicine, Vilnius University, Vilnius, Lithuania; ²⁾Clinic of Gastroenterology, Nephrourology and Surgery, Vilnius University Hospital Santaros Klinikos, Vilnius, Lithuania

P-08 Mega stent insertion and migration following sleeve gastrectomy leak in a bariatric tourist: a case report (ID 174)
Rakesh Ahmed, Stephen Keelan, Paul Cromwell, Evin Doyle, Waqas Butt, Claire Donohoe
Upper GI Department, St James's Hospital, Dublin, Ireland

P-09 Analysis of causes and factors of 100 % excess weight lost after sleeve gastrectomy (ID 175)
Bekkhan Khatsiev, Marina Bidzhieva
Surgical Departmennt, Stavropol State Medical University, Stavropol, Russian Federation

P-10 Comparative early outcomes of biliopancreatic diversion and sleeve gastrectomy in terms of weight and BMI loss (ID 197)
Alejandro David Bueno Cañones, Martin Bailon Cuadrado, David Pacheco Sánchez, Pilar Pinto Fuentes, Francisco Javier Tejero Pintor, Enrique Asensio Diaz, Pablo Marcos Santos, Sandra Veleda Belanche, Jose Luis Maestro de Castro, Andrea Carlota Lizarralde Capelastegui, Guillermo Estebanez Pelaez, Andrea Gonzalez de Godos
Cirugia General y del Aparato Digestivo, Hospital Universitario Rio Hortega, Valladolid, Spain

P-11 Robotic versus laparoscopic sleeve gastrectomy: weight and BMI loss (ID 198)
Alejandro David Bueno Cañones, Martin Bailon Cuadrado, David Pacheco Sánchez, Pilar Pinto Fuentes, Francisco Javier Tejero Pintor, Enrique Asensio Diaz, Pablo Marcos Santos, Sandra Veleda Belanche, Jose Luis Maestro de Castro, Andrea Carlota Lizarralde Capelastegui, Guillermo Estebanez Pelaez, Andrea Gonzalez de Godos
Cirugia General y del Aparato Digestivo, Hospital Universitario Rio Hortega, Valladolid, Spain

P-12 Technical tips to prevent bile reflux post-mini-gastricbypass (ID 59)
Saed Jaber
Surgery, Almanae Hospital, Dammam, Saudi Arabia

P-13 Outcomes of One Anastomosis Gastric Bypass, 6-years’ experience of 1520 cases (ID 61)
Osama Taha
Bariatric and Plastic Surgery, Assiut University Hospital, Assiut, Egypt

P-14 How long should the biliopancreatic limb be in RYGB? Revision of literature and basic concepts definition to analyse the results correctly (ID 92)
Marta Paris, Stephanie Haupt, Anna Trinidad, Elia Bartra, Esther Raga, Margarida Vives, Mercè Hernàndez, Fatima Sabench, Daniel Del Castillo Déjardin
Bariatric Surgery, Hospital Universitari Sant Joan. Faculty of Medicine. Research Institut Pere Virgili. Rovira i Virgili University, Reus, Spain

P-15 Robotic gastric bypass as an alternative to laparoscopy: dream or reality? (ID 120)
Giovanna Pavone, Alberto Gerundo, Mario Pacilli, Francesca Maddalena, Fabio Petruzzelli, Fernanda Vovola, Alessandra Di Lascia, Alberto Fersini, Antonio Ambrosi, Nicola Tartaglia, Andrea Quazzico
Department od Medical and Surgical Sciences, University of Foggia, Foggia, Italy

P-16 Diabetes remission after RYGBP and RYGBP with fundus resection – A randomized clinical trial (ID 125)
Dimitrios Kehagias¹, Charalampos Lampropoulos², George Markopoulos³, Stylianos Tsochatzis³, George Papadopoulos⁴⁾, Ioannis Kehagias^5
1)Department of General Surgery, General University Hospital of Patras, Greece; ²⁾Intensive Care Unit, Saint Andrew’s General Hospital, Patras, Greece; ³⁾Department of General Surgery, Saint Andrew’s General Hospital, Patras, Greece; ⁴⁾Liver Unit, St James University Hospital, Leeds Teaching Hospitals, Leeds, United Kingdom; ⁵⁾Division of Bariatric and Metabolic Surgery, Department of Surgery, General University Hospital of Patras, Greece

P-17 The impact of COVID-19 pandemic on weight loss, eating behaviour and quality of life after Roux-en-Y gastric bypass (ID 181)
Karolina Bauraitė¹, Rita Gudaitytė², Almantas Maleckas^{2, 3
1)}Department of Gastroenterology, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania; ²⁾Department of Surgery, Medical Academy, Lithuanian University of Health Sciences, Kaunas, Lithuania; ³⁾Department of Gastrosurgical Research and Education, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

P-18 A rare case of alimentary limb obstruction following one anastomosis gastric bypass due to V-loc™ suture (ID 185)
Hala Saliba, Amir Obeid, Sa’d Sayida
Surgical, Emms Hospital, Nazareth, Nazareth, Israel

GROUP B; Friday 5 May; 13:30-14:30

P-19 WITHDRAWN

P-20 Evaluation of myocardial function following SADI-S (ID 109)
Adriana Ruano-Campos¹, Jose Luis Romera-Martínez¹, Leyre López-Antoñanzas¹, Alejandro Cruz-Utrilla², Miguel Ángel Rubio-Herrera³, Antonio Torres-García¹, Andrés Sánchez-Pernaute^1
1)Surgery Department, Hospital Clínico San Carlos, Madrid, Spain; ²⁾Cardiology Department, Hospital Universitario 12 de Octubre, Madrid, Spain; ³⁾Endocrinology and Nutrition Department, Hospital Clínico San Carlos, Madrid, Spain

P-21 Alteration in liver enzymes after SADI-S (ID 110)
María Elia Pérez-Aguirre, Andrés Sánchez-Pernaute, Miguel Ángel Rubio-Herrera, Inmaculada Domínguez Serrano, José Luis Romera, Antonio Torres
Surgery, Complutense University, Madrid, Spain

P-22 Telemonitoring assisted same day discharge after Robotic Bariatric Surgery (ID 84)
Albert Caballero Boza¹, Laura Lopez Vendrell¹, Mauricio Parrales Mora¹, Jordi Tarascó Palomaresm¹, Eva María Martínez², Pau Moreno Santabárbara¹, Silvia Pellitero², Jose María Balibrea del Castillo^1
1)Endocrine-Metabolic & Bariatric Surgery Unit Multidisciplinary Unit for the Treatment of Obesity, Germans Trias University Hospital (Badalona-Barcelona) Universitat Autònoma de Barcelona, Badalona/Barcelona, Spain; ²⁾Department of Endocrinology, Dietetics and Nutrition Multidisciplinary Unit for the Treatment of Obesity, Germans Trias University Hospital (Badalona-Barcelona) Universitat Autònoma de Barcelona, Badalona/Barcelona, Spain

P-23 Impact of smoking habit on the outcomes of Endoscopic Sleeve Gastroplasty (ID 46)
Giorgio Carlino, Vincenzo Bove, Valerio Pontecorvi, Martina De Siena, Giulia Giannetti, Nausicaa Antonini, Chiara Massari, Giulia Polidori, Laila Vinti, Giulia Palumbo, Cristiano Spada, Guido Costamagna, Ivo Boskoski, Maria Valeria Matteo
Digestive Endoscopy Unit, Department of Surgical and Medical Sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy

P-24 Machine Learning and Internet of Things Enabled Monitoring of Post-Surgery Patients: A Pilot Study (ID 147)
Saeed Alsareii
Department of surgery, Najran University, Najran, Saudi Arabia

P-25 Physical activity monitoring and classification using machine learning techniques (ID 149)
Saeed Alsareii
Department of surgery, Najran University, Najran, Saudi Arabia

P-26 IoT framework for a decision-making system of obesity and overweight extrapolation among children, youths, and adults (ID 150)
Saeed Alsareii
Department of surgery, Najran University, Najran, Saudi Arabia

P-27 Biological therapy of bariatric surgery complications (a series of clinical cases) (ID 167)
Arut Mezhunts, Alexander Khitaryan, Ksenia Oplimakh
Surgical Department, Rostov State Medical University, Rostov-on-Don, Russian Federation

P-28 Three-year follow-up of slim-OAGB (short limb inspectable modification) of OAGB in patients with low BMI 30-39,9 (ID 177)
Vladimir Evdoshenko, Vadim Fedenko, Alexandra Mitsinskaya, Natalia Bordan, Nicolay Matveev
Clinical Center for Surgery of Weight and Metabolic Disorders, Institute of Plastic Surgery and Cosmetology, Moscow, Russian Federation

P-29 Comparison between Nissen Sleeve, Gastric Bypass and Laparoscopic Nissen for Surgical Treatment in obese patients suffering GERD (ID 165)
Santiago Mesa Delgado, Manuel Nogueira Sixto, Isabel Otero Martínez, María Hermelinda Pardellas Rivera, Patricia Jove Albores, Sonia González Fernández, Ignacio Maruri Chimeno, Marta López Otero, Raquel Sánchez Santos
Cirugía Esofagogástrica y Bariátrica, Complejo Hospitalario Universitario de Vigo, Vigo, Spain

P-30 Malrotation and other intestinal position anomalies in bariatric surgery - general considerations and 2 case presentations (ID 68)
Ralf Weise
General and Visceral Surgery, St.-Marien-Hospital, Friesoythe, Germany

P-31 Experience in the use of teres-plasty for GERD treatment after sleeve gastrectomy (ID 19)
Maxim Burikov, Oleg Shoolgin, Alexandr Kinyakin, Yakov Chernyshov
Surgical Dep, RCH SDMC FMBA, Rostov on Don, Russian Federation

P-32 WITHDRAWN

P-33 Impact of COVID-19 lockdown on short-term weight loss after bariatric surgery (ID 151)
Marta Cuadrado Ayuso¹, Jose Ignacio Botella Carretero², Pablo Priego Jimenez¹, Pilar Cobeta Orduña³, Pablo Gil Yonte¹, Silvia Sanchez Picot¹, Luis Blazquez Hernando¹, Jose M Fernandez Cebrián¹, Julio Galindo Alvarez^1
1)General and Digestive Surgery, Hospital Universitario Ramón y Cajal, Madrid, Spain; ²⁾Endocrinology and Nutrition, Hospital Universitario Ramón y Cajal, Madrid, Spain; ³⁾Anesthesiology, Hospital Universitario Ramón y Cajal, Madrid, Spain

P-34 WITHDRAWN

P-35 Patient perspectives about obesity treatment preferences (ID 188)
Hilary Craig¹, Dalal Alaseed², Carel le Roux^1
1)Diabetes Complications Research Centre, UCD Conway Institute of Biomedical and Biomolecular Research, School of Medicine, University College Dublin, Dublin, Ireland; ²⁾Clinical Operations, Dasman Diabetic Institute, Dasman, Kuwait

P-36 Surgical management for intragastric balloon complications; Experience of a single tertiary hospital in Saudi Arabia (ID 191)
Mohammed Foula
Surgery, Imam Abdulrahman Bin Faisal University, Khobar, Saudi Arabia

GROUP C; Friday 5 May; 13:30-14:30

P-37 Single Anastomosis Sleeve Ileal (SASI) Bypass as revisional surgery in a patient with chronic insufficiency after sleeve gastrectomy: a case report (ID 65)
Kira Keller, Barbara Jacobi, Gregor Alexander Stavrou
Adipositaszentrum, Klinikum Saarbrücken, Saarbrücken, Germany

P-38 The use of sleeve gastrectomy for elderly obese patients is safe, and it resolves their comorbidities in most cases (ID 115)
Eliahu Bekhor¹, Noam peleg², Nayyera Tobi¹, Hila Shmilovich¹, Boris Kirstein¹, Nidal Issa¹, Alex Tatarov^1
1)Surgery, Rabin Medical Center, Petach Tikva, Israel; ²⁾Gastroenterology, Rabin Medical Center, Petach Tikva, Israel

P-39 WITHDRAWN

P-40 Do we need to learn from mistakes? – no, we have diagnostic alghoritms (ID 187)
Tadeja Pintar¹, Jure Salobir², Luka Strniša^3
1)Abdominal Surgery, UMC Ljubljana and MF Ljubljana, University of Ljubljana, University of Medical Sciences, Ljubljana, Slovenia; ²⁾Abdominal Surgery, UMC Ljubljana, Ljubljana, Slovenia; ³⁾Clinical Dep. of Gastroenterology, UMC Ljubljana, Ljubljana, Slovenia

P-41 Surgical management for intragastric balloon complications (ID 192)
Mohammed Foula
Surgery, Imam Abdulrahman Bin Faisal University, Khobar, Saudi Arabia

P-42 Is there a correlation between patient's comprehension and knowledge and bariatric surgery outcomes? (ID 24)
Dvir Froylich^{1, 2}, Daniella Pinkhasova², Eden Gerszman¹, David Hazzan³, Ahmad Mahamid^{1, 2}, Riad Haddad^{1, 2
1)}Department of Surgery "B", Lady Davis “Carmel” Medical Center, The Bruce Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel; ²⁾Faculty of Medicine, The Technion institute of Technology, Haifa, Israel; ³⁾Robotic and minimally invasive surgery, Sheba Medical Center, Tel Aviv, Israel

P-43 Is ethnicity affects the outcomes of Sleeve gastrectomy for weight loss when comparing Jewish vs Arabs? An Israeli prospectively maintained database results (ID 112)
Eliahu Bekhor¹, Noam Peleg^{1, 2}, Nayyera Tibi¹, Boris kirstein¹, Hila Shmilovich¹, Nydal Issa¹, Alex Tatarov^1
1)Surgery, Rabin Medical Center, Petach Tikva, Israel; ²⁾Gastroenterology, Rabin Medical Center, Petach Tokva, Israel

P-44 WITHDRAWN

P-45 The protective impact of concomitant gastritis when undergoing Laparoscopic Sleeve Gastrectomy on the perioperative course (ID 119)
Eliahu Bekhor¹, Noam Peleg², Nayyra Tibi¹, Hila Shmilovich¹, Boris Kirstein¹, Nidal Issa¹, Alex Tatarov^1
1)Surgery, Rabin Medical Center, Petach Tikva, Israel; ²⁾Gastroenterology, Rabin Medical Center, Petach Tikva, Israel

P-46 Sleeve gastrectomy before right hemihepatectomy in obese patients (ID 73)
Kira Keller, Barbara Jacobi, Gregor Alexander Stavrou
Klinikum Saarbrücken, Adipositaszentrum, Saarbrücken, Germany

P-47 The presence of Non-alcoholic Fatty Liver Disease (NAFLD) is associated with lower weight loss one year and two years after bariatric surgery (ID 94)
Margarida Vives, Fatima Sabench, Elia Bartra, Marta Paris, Esther Raga, Anna Trinidad, Carmen Aguilar, Mercè Hernàndez, Elisabeth Homs, Santiago Blanco, Teresa Auguet, Cristobal Richart, Daniel Del Castillo Déjardin
Bariatric Surgery, Hospital Universitari Sant Joan. Faculty of Medicine. Research Institut Pere Virgili. Rovira i Virgili University, Reus, Spain

P-48 Comparative study in obese diabetic and non-diabetic patients undergoing surgery for the improvement of non-alcoholic steatohepatitis measured by Fibroscan and liver biopsy (ID 132)
Luis Ocaña Wilhelmi¹, Rocío Soler¹, Ana Sánchez García², Cristina Tentor Navarro², Isabel Arranz³, Miren García Cortés⁴, José Pinazo⁴, Dieter Morales¹, Francisco Tinahones², José Luis Fernández Serrano¹, José Luis Cuba Castro¹, Lourdes Garrido Sánchez^2
1)Surgery, Hospital Clínico Universitario "Virgen de la Victoria", Málaga, Spain; ²⁾Endocrinology, Hospital Clínico Universitario "Virgen de la Victoria", Málaga, Spain; ³⁾Pathology, Hospital Clínico Universitario "Virgen de la Victoria", Málaga, Spain; ⁴⁾Gastroenterology, Hospital Clínico Universitario "Virgen de la Victoria", Málaga, Spain

P-49 The glucoregulatory mechanism of the gastric fundus (ID 122)
Dimitrios Kehagias¹, Charalampos Lampropoulos², George Markopoulos³, Stylianos Tsochatzis³, Theofilos Amanatidis⁴, Ioannis Kehagias^5
1)Department of General Surgery, General University Hospital of Patras, Greece; ²⁾Intensive Care Unit, Saint Andrew’s General Hospital, Patras, Greece; ³⁾Department of General Surgery, Saint Andrew’s General Hospital, Patras, Greece; ⁴⁾Intensive Care Unit, University Hospital of Larisa, Greece; ⁵⁾Division of Bariatric and Metabolic Surgery, Department of Surgery, General University Hospital of Patras, Greece

P-50 Long term effects of bariatric surgery on obesity induced immune cell alterations (ID 169)
Annick Taselaar¹, Rene Klaassen¹, Erwin van der Harst¹, Martijn Kuijper^{1, 2}, Gisela Ambagtsheer³, Jan IJzermans³, Ron de Bruin³, Nicolle Litjens^3
1)Surgery, Maasstad Ziekenhuis, Rotterdam, Netherlands; ²⁾Maasstad Academy, Maasstad Ziekenhuis, Rotterdam, Netherlands; ³⁾Surgery, Erasmus MC, Rotterdam, Netherlands

GROUP D; Friday 5 May; 13:30-14:30

P-51 Gastric adenocarcinoma after Laparoscopic Sleeve Gastrectomy (LSG). Importance of clinical and endoscopic follow-up in patients undergoing Bariatric Surgery (ID 93)
Marta Paris, Nicolak Lobo, Anna Trinidad, Elia Bartra, Margarida Vives, Stephanie Haupt, Esther Rara, Fatima Sabench, Buils Francisco, Mercè Hernàndez, Juan José Sánchez Cano, Daniel Del Castillo Déjardin
Bariatric Surgery, Hospital Universitari Sant Joan. Faculty of Medicine. Research Institut Pere Virgili. Rovira i Virgili University, Reus, Spain

P-52 Lymphangioma as a casual intraoperative finding, a very rare entity that can distort surgical anatomy (ID 96)
Esther Raga, Nicolak Lobo, Anna Trinidad, Marta Paris, Margarida Vives, Elia Bartra, Fatima Sabench, Mercè Hernàndez, Daniel Del Castillo Déjardin
Bariatric Surgery, Hospital Universitari Sant Joan. Faculty of Medicine. Research Institut Pere Virgili. Rovira i Virgili University, Reus, Spain

P-53 Plastic surgery for body shaping after bariatric surgery – experience from a tertiary hospital in Greece (ID 116)
Athanasios Pantelis¹, Georgios Vakis², Ioannis Tsiampas¹, Stavroula Katsimente¹, Vasiliki Tseliou¹, Maria Kotrotsiou², Dimitrios Lapatsanis^1
1)4^th Surgical Department, Evaggelismos General Hospital, Athens, Greece; ²⁾Plastic and Reconstructive Surgery Department, Evaggelismos General Hospital, Athens, Greece

P-54 WITHDRAWN

P-55 Obesity and Depression Intertwined (ID 176)
Daniel Timofte
Surgery I, Grigore T. Popa University of Medicine and Pharmacy, Iasi, Romania

P-56 Exploiting adverse experiences: Development of a standardized blood glucose management system in bariatric patients at increased risk of perioperative euglycemic ketoacidosis (ID 190)
Claus Rolf, Ralf Weise
Adipositas Zentrum Nord West, St.-Marien-Hospital Friesoythe, Friesoythe, Germany

P-57 BARBQTCM: BARiatric Basic Questionnairy for Traditional Chinese Medicine. Interest in complementary medicine among 5545 obese patients from Austria, Switzerland and Germany (ID 142)
Steffi Rothe¹, Thomas Vlasak², Christian Denecke³, Brigitte Obermayer¹, Philipp Beckerhinn⁴, Jörg Zehetner⁵, Alexander Klaus⁶, Christoph Sperker⁷, Stephan Kriwanek⁸, Sonja Chiapetta⁹, Andreas Türler¹⁰, Christoph Jacobi¹¹, Philipp Nett¹², Massimo Fumagalli¹³, Peter Panhofer^{1, 14
1)}Surgery, Hospital of the Divine Savior, Vinzenz Group, Vienna, Austria; ²⁾Center for applied Psychology and Psychotherapy, Sigmund Freud Private University, Linz, Austria; ³⁾Center for Obesity and Metabolic Surgery, Medical University Charité Mitte, Berlin, Germany; ⁴⁾Center for metabolic-bariatric Surgery, Landesklinikum Hollabrunn, Hollabrunn, Austria; ⁵⁾Visceral Surgery, Hirslanden Clinics Beau Site, Bern, Switzerland; ⁶⁾Surgery, Barmherzige Schwestern Hospital, Vienna, Austria; ⁷⁾Surgery, Clinics Landstrasse, Vienna, Austria; ⁸⁾Surgery, Clinics Donaustadt, Vienna, Austria; ⁹⁾Obesity Center, Surgery, Sana Clinics, Offenbach, Germany; ¹⁰⁾Obesity Center, Surgery, Johanniter Hospital, Bonn, Germany; ¹¹⁾Surgery, Dreifaltigkeits-Hospital, Wesseling, Germany; ¹²⁾Obesity Center, Surgery, Insel-Hospital, Bern, Switzerland; ¹³⁾Center for Acupuncture, Sinomedica Group, Zurich, Switzerland; ¹⁴⁾Center for Integrated Health, Chair for Complementary Medicine, Medical Faculty, Sigmund Freud Private University, Vienna, Austria

P-58 Screening for adherence to vitamin and mineral supplementation after bariatric surgery (ID 26)
Kristina Spetz¹, Malin Johansson Östbring², Torsten Olbers¹, Ellen Andersson^1
1)Department of Surgery and Department of Biomedical and Clinical Sciences, Linkoping University, Norrkoping, Sweden; ²⁾Faculty of Health and Life Sciences, Department of Medicine and Optometry, Linnaeus University, Kalmar, Sweden

P-59 B1 vitamin deficiency after bariatric surgery, prevalence, and symptoms: a systematic review and meta‑analysis (ID 161)
Foolad Eghbali
Iran University of medical sciences, Rasoul Akram Hospital, Tehran, Iran

P-60 Anesthesia for morbid obese patients (ID 178)
Tamer Hidari
Operating Rooms, Emms Hospital, Nazareth, Israel

P-61 Outcomes of a swallowable intragastric balloon (ElipseTM) on 96 overweight and obese patients (ID 57)
Osama Taha^{1, 2}, Mahmoud Abdelaal^1
1)Bariatric and Plastic Surgery, Assiut University Hospital, Assiut, Egypt; ²⁾bariatric and Plastic Surgery, Osama Taha Group, Cairo, Egypt

P-62 Impact of the covid pandemic on surgical postponement, weight and metabolic parameters in bariatric surgery in germany (ID 126)
Undine Gabriele Lange¹, Konstantin Uttinger¹, Paul Medicke¹, Johannes Diers², Armin Wiegering², Yusef Moulla¹, Sabine Steinert³, Arne Dietrich^1
1)Department of Visceral, Transplant, Thoracic and Vascular Surgery, University Leipzig, Germany; ²⁾Department of General, Visceral, Transplant, Vascular and Pediatric Surgery, University Würzburg, Germany; ³⁾Division of Angiology, Department of Internal Medicine, Neurology and Dermatology, University Leipzig, Germany

P-63 Hypocalcemia in the immediate postoperative period following metabolic bariatric surgery – hype or harm? (ID 140)
Athanasios Pantelis, Stefanos Koffas, Stavroula Katsimente, Vasiliki Tseliou, Ioannis Tsiampas, Dimitrios Lapatsanis
4^th Surgical Department, Evaggelismos General Hospital, Athens, Greece