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1دورية أكاديمية
المؤلفون: Zhao S; Clinical Teaching Hospital of Medical School, Northern Jiangsu People's Hospital, Nanjing University, Yangzhou, China., Fu Y; Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, China., Zhou J; Clinical Teaching Hospital of Medical School, Northern Jiangsu People's Hospital, Nanjing University, Yangzhou, China., Sun L; Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, China., Li R; Clinical Teaching Hospital of Medical School, Northern Jiangsu People's Hospital, Nanjing University, Yangzhou, China., Tian Z; Clinical Teaching Hospital of Medical School, Northern Jiangsu People's Hospital, Nanjing University, Yangzhou, China., Cheng Y; Clinical Teaching Hospital of Medical School, Northern Jiangsu People's Hospital, Nanjing University, Yangzhou, China., Wang J; Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, China., Wang W; Department of General Surgery, Northern Jiangsu People's Hospital, Yangzhou, China. wangwei815828@163.com., Wang D; Clinical Teaching Hospital of Medical School, Northern Jiangsu People's Hospital, Nanjing University, Yangzhou, China. wdaorong666@sina.com.; Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, China. wdaorong666@sina.com.; Department of General Surgery, Northern Jiangsu People's Hospital, Yangzhou, China. wdaorong666@sina.com.; Yangzhou Key Laboratory of Basic and Clinical Transformation of Digestive and Metabolic Diseases, Yangzhou, China. wdaorong666@sina.com.
المصدر: Obesity surgery [Obes Surg] 2024 Sep; Vol. 34 (9), pp. 3493-3505. Date of Electronic Publication: 2024 Jul 23.
نوع المنشور: Journal Article; Meta-Analysis; Systematic Review
بيانات الدورية: Publisher: Springer Science + Business Media Country of Publication: United States NLM ID: 9106714 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1708-0428 (Electronic) Linking ISSN: 09608923 NLM ISO Abbreviation: Obes Surg Subsets: MEDLINE
مواضيع طبية MeSH: Gastrectomy*/economics , Gastrectomy*/methods , Gastrectomy*/statistics & numerical data , Laparoscopy*/economics , Laparoscopy*/methods , Laparoscopy*/statistics & numerical data , Obesity, Morbid*/surgery , Robotic Surgical Procedures*/economics , Robotic Surgical Procedures*/methods , Robotic Surgical Procedures*/statistics & numerical data , Weight Loss*, Humans ; Bariatric Surgery/methods ; Bariatric Surgery/economics ; Bariatric Surgery/statistics & numerical data ; Body Mass Index ; Length of Stay/statistics & numerical data ; Operative Time ; Postoperative Complications/epidemiology ; Treatment Outcome
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2دورية أكاديمية
المؤلفون: Shen MR; Department of Surgery, University of Michigan, Ann Arbor, Michigan; Department of Psychiatry, Mass General Brigham, Boston, Massachusetts., Hammoud MM; Department of Surgery, University of Michigan, Ann Arbor, Michigan., Bonham AJ; Department of Surgery, University of Michigan, Ann Arbor, Michigan., Aaron B; Department of Surgery, University of Michigan, Ann Arbor, Michigan., Ghaferi AA; Department of Surgery, Froedtert & Medical College of Wisconsin, Milwaukee, Wisconsin., Varban OA; Department of Surgery, Henry Ford Health System, Detroit, Michigan., Carlin AM; Department of Surgery, Henry Ford Health System, Detroit, Michigan., Ehlers AP; Department of Surgery, University of Michigan, Ann Arbor, Michigan., Finks JF; Department of Surgery, University of Michigan, Ann Arbor, Michigan. Electronic address: jfinks@med.umich.edu.
المصدر: Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery [Surg Obes Relat Dis] 2024 Aug; Vol. 20 (8), pp. 738-744. Date of Electronic Publication: 2024 Apr 06.
نوع المنشور: Journal Article; Multicenter Study
بيانات الدورية: Publisher: Elsevier Country of Publication: United States NLM ID: 101233161 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1878-7533 (Electronic) Linking ISSN: 15507289 NLM ISO Abbreviation: Surg Obes Relat Dis Subsets: MEDLINE
مواضيع طبية MeSH: Gastroesophageal Reflux*/surgery , Gastroesophageal Reflux*/etiology , Gastric Bypass*/methods , Gastric Bypass*/adverse effects , Weight Loss* , Gastrectomy*/methods , Gastrectomy*/adverse effects , Obesity, Morbid*/surgery, Humans ; Female ; Male ; Retrospective Studies ; Middle Aged ; Adult ; Postoperative Complications/etiology ; Postoperative Complications/epidemiology ; Treatment Outcome ; Reoperation/statistics & numerical data
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3دورية أكاديمية
المؤلفون: Zhu G; Department of General Surgery, Weifang People's Hospital, Weifang, Shandong, China., Jiao X; Department of General Surgery, Weifang People's Hospital, Weifang, Shandong, China., Zhou S; Department of Anesthesiology, Weifang People's Hospital, Weifang, Shandong Weifang, China., Zhu Q; Department of General Surgery, Weifang People's Hospital, Weifang, Shandong, China., Yu L; Medical Administration Dept, Weifang People's Hospital, Weifang, Shandong, China., Sun Q; Weifang Medical University, Weifang, Shandong, China., Li B; Weifang Medical University, Weifang, Shandong, China., Fu H; Department of General Surgery, Weifang People's Hospital, Weifang, Shandong, China., Huang J; Department of General Surgery, Weifang People's Hospital, Weifang, Shandong, China., Lang W; Department of General Surgery, Weifang People's Hospital, Weifang, Shandong, China., Lang X; Department of General Surgery, Weifang People's Hospital, Weifang, Shandong, China., Zhai S; Department of General Surgery, Weifang People's Hospital, Weifang, Shandong, China.; Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China., Xiong J; Department of General Surgery, Weifang People's Hospital, Weifang, Shandong, China., Fu Y; Department of General Surgery, Weifang People's Hospital, Weifang, Shandong, China., Liu C; Department of General Surgery, Weifang People's Hospital, Weifang, Shandong, China., Qu J; Department of General Surgery, Weifang People's Hospital, Weifang, Shandong, China. 1538385217@qq.com.
المصدر: BMC gastroenterology [BMC Gastroenterol] 2024 Jul 23; Vol. 24 (1), pp. 230. Date of Electronic Publication: 2024 Jul 23.
نوع المنشور: Journal Article; Meta-Analysis; Systematic Review
بيانات الدورية: Publisher: BioMed Central Country of Publication: England NLM ID: 100968547 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-230X (Electronic) Linking ISSN: 1471230X NLM ISO Abbreviation: BMC Gastroenterol Subsets: MEDLINE
مواضيع طبية MeSH: Gastrectomy*/methods , Gastrectomy*/adverse effects , Stomach Neoplasms*/surgery , Stomach Neoplasms*/mortality , Randomized Controlled Trials as Topic* , Postoperative Complications*/epidemiology , Postoperative Complications*/etiology , Propensity Score*, Humans ; Anastomosis, Roux-en-Y/methods ; Anastomosis, Roux-en-Y/adverse effects ; Treatment Outcome ; Quality of Life ; Plastic Surgery Procedures/methods
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4دورية أكاديمية
المؤلفون: van Dam KAM; Surgery, Zuyderland Medical Center, Henri Dunantstraat 5, Heerlen, 6419 PC, The Netherlands. k.vandam@zuyderland.nl.; Department of Surgery, Institute for Nutrition and Translational Research in Metabolism, NUTRIM, Maastricht University Medical Center, Maastricht, The Netherlands. k.vandam@zuyderland.nl., de Witte E; Surgery, Zuyderland Medical Center, Henri Dunantstraat 5, Heerlen, 6419 PC, The Netherlands.; Nederlandse Obesitas Kliniek (Dutch Obesity Clinic), Heerlen, The Netherlands., Broos PPHL; Surgery, Zuyderland Medical Center, Henri Dunantstraat 5, Heerlen, 6419 PC, The Netherlands.; Nederlandse Obesitas Kliniek (Dutch Obesity Clinic), Heerlen, The Netherlands., Greve JWM; Department of Surgery, Institute for Nutrition and Translational Research in Metabolism, NUTRIM, Maastricht University Medical Center, Maastricht, The Netherlands., Boerma EG; Surgery, Zuyderland Medical Center, Henri Dunantstraat 5, Heerlen, 6419 PC, The Netherlands.; Nederlandse Obesitas Kliniek (Dutch Obesity Clinic), Heerlen, The Netherlands.
المصدر: BMC surgery [BMC Surg] 2024 Sep 19; Vol. 24 (1), pp. 266. Date of Electronic Publication: 2024 Sep 19.
نوع المنشور: Journal Article
بيانات الدورية: Publisher: BioMed Central Country of Publication: England NLM ID: 100968567 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-2482 (Electronic) Linking ISSN: 14712482 NLM ISO Abbreviation: BMC Surg Subsets: MEDLINE
مواضيع طبية MeSH: Gastric Bypass*/methods , Gastric Bypass*/adverse effects , Gastrectomy*/methods , Gastrectomy*/adverse effects , Obesity, Morbid*/surgery , Weight Loss* , Laparoscopy*/methods, Humans ; Female ; Male ; Adult ; Treatment Outcome ; Middle Aged ; Retrospective Studies ; Postoperative Complications/epidemiology ; Follow-Up Studies ; Reoperation/statistics & numerical data
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5دورية أكاديمية
المؤلفون: Cui H; School of Medicine, Nankai University, Tianjin, 300071, China.; Department of General Surgery, The Chinese PLA General Hospital First Medical Center, Beijing, 100853, China., Yang Y; Department of General Surgery, Centre for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, Chongqing, 400038, China., Song L; Department of Gastrointestinal Surgery, Peking University International Hospital, Beijing, 102206, China., Yuan Z; School of Medicine, Nankai University, Tianjin, 300071, China.; Department of General Surgery, The Chinese PLA General Hospital First Medical Center, Beijing, 100853, China., Sun L; Department of General Surgery, The Chinese PLA General Hospital First Medical Center, Beijing, 100853, China., Du J; Department of General Surgery, The Chinese PLA General Hospital First Medical Center, Beijing, 100853, China., Lu Y; Department of General Surgery, The Chinese PLA General Hospital First Medical Center, Beijing, 100853, China., Ning N; Department of General Surgery, Centre for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, Chongqing, 400038, China., Cui J; Department of General Surgery, The Chinese PLA General Hospital First Medical Center, Beijing, 100853, China., Shi Y; Department of General Surgery, Centre for Minimally Invasive Gastrointestinal Surgery, Southwest Hospital, Third Military Medical University, Chongqing, 400038, China. shiyandoctor@sina.com., Chen L; School of Medicine, Nankai University, Tianjin, 300071, China. chenlinbj@sina.com.; Department of Gastrointestinal Surgery, Peking University International Hospital, Beijing, 102206, China. chenlinbj@sina.com., Wei B; School of Medicine, Nankai University, Tianjin, 300071, China. weibo@vip.163.com.; Department of General Surgery, The Chinese PLA General Hospital First Medical Center, Beijing, 100853, China. weibo@vip.163.com.
المصدر: Cancer immunology, immunotherapy : CII [Cancer Immunol Immunother] 2024 Sep 05; Vol. 73 (11), pp. 216. Date of Electronic Publication: 2024 Sep 05.
نوع المنشور: Journal Article; Multicenter Study
بيانات الدورية: Publisher: Springer Verlag Country of Publication: Germany NLM ID: 8605732 Publication Model: Electronic Cited Medium: Internet ISSN: 1432-0851 (Electronic) Linking ISSN: 03407004 NLM ISO Abbreviation: Cancer Immunol Immunother Subsets: MEDLINE
مواضيع طبية MeSH: Stomach Neoplasms*/surgery , Stomach Neoplasms*/drug therapy , Stomach Neoplasms*/pathology , Gastrectomy*/methods , Gastrectomy*/adverse effects , Immune Checkpoint Inhibitors*/therapeutic use , Immune Checkpoint Inhibitors*/administration & dosage , Immune Checkpoint Inhibitors*/adverse effects , Neoadjuvant Therapy*/methods , Laparoscopy*/methods, Humans ; Male ; Female ; Retrospective Studies ; Middle Aged ; China/epidemiology ; Aged ; Antineoplastic Combined Chemotherapy Protocols/therapeutic use ; Antineoplastic Combined Chemotherapy Protocols/adverse effects ; Treatment Outcome ; Postoperative Complications/etiology ; Postoperative Complications/epidemiology ; Adult
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6دورية أكاديمية
المؤلفون: Li W; Department of Gastrointestinal Surgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, China., Wei SJ; Department of Gastrointestinal Surgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, China. nsmcwsj@163.com.
المصدر: Journal of robotic surgery [J Robot Surg] 2024 Sep 04; Vol. 18 (1), pp. 333. Date of Electronic Publication: 2024 Sep 04.
نوع المنشور: Journal Article; Meta-Analysis; Systematic Review
بيانات الدورية: Publisher: Springer Country of Publication: England NLM ID: 101300401 Publication Model: Electronic Cited Medium: Internet ISSN: 1863-2491 (Electronic) Linking ISSN: 18632483 NLM ISO Abbreviation: J Robot Surg Subsets: MEDLINE
مواضيع طبية MeSH: Gastrectomy*/adverse effects , Gastrectomy*/methods , Gastrectomy*/statistics & numerical data , Laparoscopy*/adverse effects , Laparoscopy*/methods , Laparoscopy*/statistics & numerical data , Length of Stay*/statistics & numerical data , Robotic Surgical Procedures*/adverse effects , Robotic Surgical Procedures*/methods , Robotic Surgical Procedures*/statistics & numerical data , Stomach Neoplasms*/surgery, Humans ; Blood Loss, Surgical/statistics & numerical data ; Lymph Node Excision/methods ; Lymph Node Excision/statistics & numerical data ; Operative Time ; Propensity Score ; Treatment Outcome
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7دورية أكاديمية
المؤلفون: Wang Q; Department of Gastrointestinal Surgery, Harbin Medical University Cancer Hospital, Harbin, China., Wang Z; Department of Gastrointestinal Surgery, Harbin Medical University Cancer Hospital, Harbin, China., Jin S; Department of Gastrointestinal Surgery, Harbin Medical University Cancer Hospital, Harbin, China., Ju Y; Department of Gastrointestinal Surgery, Harbin Medical University Cancer Hospital, Harbin, China., Sun P; Department of Gastrointestinal Surgery, Harbin Medical University Cancer Hospital, Harbin, China., Wei Y; Department of Gastrointestinal Surgery, Harbin Medical University Cancer Hospital, Harbin, China., Zhu G; Department of Gastrointestinal Surgery, Harbin Medical University Cancer Hospital, Harbin, China., Wang K; Department of Gastrointestinal Surgery, Harbin Medical University Cancer Hospital, Harbin, China.
المصدر: Journal of laparoendoscopic & advanced surgical techniques. Part A [J Laparoendosc Adv Surg Tech A] 2024 Sep; Vol. 34 (9), pp. 814-821. Date of Electronic Publication: 2024 May 29.
نوع المنشور: Journal Article
بيانات الدورية: Publisher: Mary Ann Liebert, Inc Country of Publication: United States NLM ID: 9706293 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1557-9034 (Electronic) Linking ISSN: 10926429 NLM ISO Abbreviation: J Laparoendosc Adv Surg Tech A Subsets: MEDLINE
مواضيع طبية MeSH: Gastrectomy*/adverse effects , Gastrectomy*/methods , Suture Techniques* , Laparoscopy*/methods , Laparoscopy*/adverse effects , Postoperative Complications*/prevention & control , Postoperative Complications*/etiology , Intestinal Fistula*/etiology , Intestinal Fistula*/prevention & control , Intestinal Fistula*/surgery, Humans ; Female ; Male ; Middle Aged ; Retrospective Studies ; Aged ; Stomach Neoplasms/surgery ; Duodenal Diseases/surgery ; Duodenal Diseases/etiology ; Duodenal Diseases/prevention & control ; Risk Factors ; Gastroenterostomy/methods
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8دورية أكاديمية
المؤلفون: Cornejo J; Department of Surgery, Northwest Hospital, 5401 Old Court Road, Randallstown, MD, 21133, USA., Zevallos A; Department of Surgery, Northwest Hospital, 5401 Old Court Road, Randallstown, MD, 21133, USA.; Universidad Cientifica del Sur, Lima, Peru., Sarmiento J; Department of Surgery, Northwest Hospital, 5401 Old Court Road, Randallstown, MD, 21133, USA., Shojaeian F; Department of Surgery, The Johns Hopkins University, Baltimore, MD, USA., Mokhtari-Esbuie F; Department of Surgery, The Johns Hopkins University, Baltimore, MD, USA., Adrales G; Department of Surgery, The Johns Hopkins University, Baltimore, MD, USA., Li C; Department of Surgery, Northwest Hospital, 5401 Old Court Road, Randallstown, MD, 21133, USA., Sebastian R; Department of Surgery, Northwest Hospital, 5401 Old Court Road, Randallstown, MD, 21133, USA. Rsebast04@gmail.com.; Department of Surgery, The Johns Hopkins University, Baltimore, MD, USA. Rsebast04@gmail.com.
المصدر: Surgical endoscopy [Surg Endosc] 2024 Sep; Vol. 38 (9), pp. 5368-5376. Date of Electronic Publication: 2024 Jul 22.
نوع المنشور: Journal Article; Comparative Study
بيانات الدورية: Publisher: Springer Country of Publication: Germany NLM ID: 8806653 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1432-2218 (Electronic) Linking ISSN: 09302794 NLM ISO Abbreviation: Surg Endosc Subsets: MEDLINE
مواضيع طبية MeSH: Gastric Bypass*/methods , Gastric Bypass*/adverse effects , Gastrectomy*/methods , Gastrectomy*/adverse effects , Reoperation*/statistics & numerical data , Anastomotic Leak*/etiology , Anastomotic Leak*/epidemiology , Obesity, Morbid*/surgery, Humans ; Female ; Male ; Adult ; Middle Aged ; Surgical Stapling/methods ; Propensity Score ; Retrospective Studies ; Postoperative Complications/epidemiology ; Postoperative Complications/etiology
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9دورية أكاديمية
المؤلفون: Brown A; Department of General Surgery, New York University Langone Health, 550 1St Ave, NY, 10016, USA. avery.brown@nyulangone.org., Vu AH; Department of General Surgery, New York University Langone Health, 550 1St Ave, NY, 10016, USA., Carey D; Department of General Surgery, New York University Langone Health, 550 1St Ave, NY, 10016, USA., Lazar D; Department of General Surgery, New York University Langone Health, 550 1St Ave, NY, 10016, USA., Sullivan B; Department of General Surgery, New York University Langone Health, 550 1St Ave, NY, 10016, USA., Ayres J; Department of Finance, New York University Langone Health, 550 1St Ave, NY, 10016, USA., Schroder J; Department of General Surgery, New York University Langone Health, 550 1St Ave, NY, 10016, USA., Gujral A; Department of General Surgery, New York University Langone Health, 550 1St Ave, NY, 10016, USA., Tursunova N; Department of General Surgery, New York University Langone Health, 550 1St Ave, NY, 10016, USA., Ferzli GS; Department of General Surgery, New York University Langone Health, 550 1St Ave, NY, 10016, USA., Cheema F; Department of General Surgery, New York University Langone Health, 550 1St Ave, NY, 10016, USA., Tchokouani L; Department of General Surgery, New York University Langone Health, 550 1St Ave, NY, 10016, USA. loic.tchokouani@nyulangone.org.
المصدر: Surgical endoscopy [Surg Endosc] 2024 Sep; Vol. 38 (9), pp. 5304-5309. Date of Electronic Publication: 2024 Jul 17.
نوع المنشور: Journal Article; Multicenter Study; Comparative Study
بيانات الدورية: Publisher: Springer Country of Publication: Germany NLM ID: 8806653 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1432-2218 (Electronic) Linking ISSN: 09302794 NLM ISO Abbreviation: Surg Endosc Subsets: MEDLINE
مواضيع طبية MeSH: Robotic Surgical Procedures*/economics , Robotic Surgical Procedures*/methods , Robotic Surgical Procedures*/statistics & numerical data , Laparoscopy*/economics , Laparoscopy*/methods , Gastrectomy*/economics , Gastrectomy*/methods , Hospital Charges*/statistics & numerical data , Obesity, Morbid*/surgery , Obesity, Morbid*/economics, Humans ; Adult ; Middle Aged ; Retrospective Studies ; Female ; Male ; Aged ; Adolescent ; Young Adult ; Length of Stay/statistics & numerical data ; Length of Stay/economics ; Bariatric Surgery/economics ; Bariatric Surgery/methods
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10دورية أكاديمية
المؤلفون: Valentini DF Jr; Postgraduate Program in Medicine: Surgical Sciences, School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil; Division of Gastrointestinal Surgery, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil. Electronic address: jrdirceuvalentini@gmail.com., Mazzini GS; Division of Bariatric and Gastrointestinal Surgery, Virginia Commonwealth University, Richmond, VA, United States., Lazzarotto-da-Silva G; Postgraduate Program in Medicine: Surgical Sciences, School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil; Division of Gastrointestinal Surgery, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil., Simões AB; School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil., Gazzi VS; School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil., Alves JBO; School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil., Campos VJ; Division of Gastrointestinal Surgery, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil., Gurski RR; Postgraduate Program in Medicine: Surgical Sciences, School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil; Division of Gastrointestinal Surgery, Hospital de Clínicas de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil; School of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.
المصدر: Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract [J Gastrointest Surg] 2024 Sep; Vol. 28 (9), pp. 1546-1557. Date of Electronic Publication: 2024 Jun 18.
نوع المنشور: Journal Article; Systematic Review; Meta-Analysis; Review
بيانات الدورية: Publisher: Springer Country of Publication: Netherlands NLM ID: 9706084 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-4626 (Electronic) Linking ISSN: 1091255X NLM ISO Abbreviation: J Gastrointest Surg Subsets: MEDLINE
مواضيع طبية MeSH: Gastric Bypass*/adverse effects , Gastric Bypass*/methods , Gastrectomy*/adverse effects , Gastrectomy*/methods , Gastroesophageal Reflux*/etiology , Gastroesophageal Reflux*/physiopathology , Manometry* , Endoscopy, Digestive System*/methods , Esophageal pH Monitoring*, Humans ; Esophagus/surgery ; Esophagus/physiopathology ; Obesity, Morbid/surgery ; Obesity, Morbid/physiopathology ; Barrett Esophagus/surgery ; Barrett Esophagus/pathology ; Esophagitis/etiology