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Sen O, Oray S, Çalikoglu I, Sekmen Ü, Türkçapar AG. Effect of laparoscopic sleeve gastrectomy on platelet count and mean platelet volume. J Minim Access Surg 2023; 19:489-492. [PMID: 37282437 PMCID: PMC10695318 DOI: 10.4103/jmas.jmas_301_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 01/09/2023] [Accepted: 01/13/2023] [Indexed: 06/08/2023] Open
Abstract
Objective Several studies have reported an increase in platelet (PLT) count with chronic inflammation in the presence of obesity. Mean platelet volume (MPV) is an important marker for PLT activity. Our study aims to demonstrate if laparoscopic sleeve gastrectomy (LSG) has any effect on PLT, MPV and white blood cells (WBCs). Methods A total of 202 patients undergoing LSG for morbid obesity between January 2019 and March 2020 who completed at least 1 year of follow-up were included in the study. Patients' characteristics and laboratory parameters were recorded preoperatively and were compared in the 6th and 12th months. Results Two hundred and two patients (50% - female) with a mean age of 37.5 ± 12.2 years and mean pre-operative body mass index (BMI) of 43 (34.1-62.5) kg/m2 underwent LSG. BMI regressed to 28.2 ± 4.5 kg/m2 at 1 year after LSG (P < 0.001). The mean PLT count, MPV and WBC during the pre-operative period were 293.2 ± 70.3 103 cells/μL, 10.22 ± 0.9 fL and 7.8 ± 1.9 103 cells/μL, respectively. A significant decrease was seen in mean PLT count, with 257.3 ± 54.2 103cell/μL (P < 0.001) at 1 year post-LSG. The mean MPV was increased at 6 months 10.5 ± 1.2 fL (P < 0.001) and remained unchanged at 1 year 10.3 ± 1.3 fL (P = 0.9). The mean WBC levels were significantly decreased with 6.5 ± 1.7 103 cells/μL (P < 0.001) at 1 year. At the end of the follow-up, weight loss showed no correlation with PLT and MPV (P = 0.42, P = 0.32). Conclusion Our study has shown a significant decrease in circulating PLT and WBC levels while MPV remained unchanged after LSG.
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Affiliation(s)
- Ozan Sen
- Medical Faculty, Department of General Surgery, Nisantasi University, Istanbul, Turkey
- Obesity Center, Türkçapar Bariatrics, Istanbul, Turkey
| | - Seref Oray
- Basaksehir Cam and Sakura City Hospital, Istanbul, Turkey
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Şen O, Oray Ş, Gökhan Türkçapar A. Is There a Relationship Between Helicobacter Pylori and GERD Before Laparoscopic Sleeve Gastrectomy? Surg Laparosc Endosc Percutan Tech 2022; 32:692-695. [PMID: 36468894 DOI: 10.1097/sle.0000000000001122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 10/24/2022] [Indexed: 06/17/2023]
Abstract
AIM The aim of this study is to determine the prevalence of Helicobacter pylori (HP) in patients before laparoscopic sleeve gastrectomy (LSG) and to reveal whether HP is associated with gastroesophageal reflux disease (GERD) before LSG. METHODS The study included 435 patients who underwent primary LSG between April 2018 and September 2021. All patients underwent preoperative endoscopy. All patients were investigated for the presence of HP. No treatment for HP eradication was given to any of the patients. Patients were divided into 2 groups HP (+) and HP(-), and compared for GERD, complications, and weight loss before and after LSG. RESULTS The mean age of the patients was 38.3±11 years (56.1% female), and the mean BMI was 44.2±7.1 kg/m 2 . Symptomatic GERD was found in 102 (23.4%) patients. Endoscopy showed hiatal hernia in 42 (9.7%) patients, and these patients also underwent hiatal hernia repair in the same session. HP was (+) in 125 (28.7%) patients. HP (+) patients were assigned to Group A, while HP (-) patients were assigned to Group B. In the preoperative period, the rate of symptomatic GERD was 22.4% (n=28/125) in Group A and 23.9% (n=74/310) in Group B ( P =0.74). The mean follow-up period was 17±5.7 (range, 12 to 28) months. The mean BMI decreased to 28.3±4.9 kg/m 2 at 12 months after LSG. Given the association between HP and GERD after LSG, it was 25.6% (n=32/125) in Group A and 20% (n=62/310) in Group B ( P =0.2). In addition, there was no difference between the 2 groups in terms of weight loss. CONCLUSION This study showed no difference between patients with or without HP infection in terms of GERD before LSG.
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Affiliation(s)
- Ozan Şen
- Department of Health Sciences, Nişantaşi University
- Türkçapar Bariatrics, Obesity Center
| | - Şeref Oray
- Başakşehir Çam and Sakura City Hospital, Istanbul, Turkey
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Şen O, Oray Ş, Çalıkoğlu İ, Özcan C, Türkçapar AG. Menetrier's disease in a morbid obese patient undergoing bariatric surgery: A case report. Int J Surg Case Rep 2022; 98:107539. [PMID: 36027830 PMCID: PMC9424578 DOI: 10.1016/j.ijscr.2022.107539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 08/17/2022] [Accepted: 08/18/2022] [Indexed: 11/24/2022] Open
Abstract
Introduction and importance Menetrier's disease is a rare type of hypertrophic gastropathy characterized by the atrophy of the gastric parietal cells and dilatation of mucus releasing glands. Hereby, we present a morbid obese patient who has undergone laparoscopic sleeve gastrectomy (LSG) and he has also diagnosed with Menetrier's disease. Case presentation A 67-year-old male patient whose body mass index (BMI) was 39 kg/m2. Preoperative endoscopy was done. There were no pathologies except increased gastric mucosal folds. LSG was done. During the surgery it was noticed that gastric tissue was abnormally thick. After LSG completed, it was observed that there was an abnormal bleeding from the staple line. The staple line was oversewed with 3.0 V-Loc™ and bleeding was stopped. Pathology report was compatible with menetrier's disease. Clinical discussion Hypoalbuminemia and H. pylori take an important place in diagnosis of Menetrier's disease, but H. pylori was not detected and albumin level was normal in our patient. For certain diagnosis full-thickness gastric biopsy is needed. The routine use of preoperative endoscopy in patients scheduled for bariatric surgery was still controversial until recently. Conclusion This is the first case with menetrier's disease that has undergone LSG. Preoperative endoscopic evaluation before bariatric surgery is crucial. As in this case, it will be effective in terms performing additional intraoperative precautions when necessary and preventing possible complications.
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Şen O, Çetin D, Dumanlı G, Gökhan Türkçapar A. Nutritional Deficiencies in Morbid Obese Patients Before and After Laparoscopic Sleeve Gastrectomy. Turk J Gastroenterol 2022; 33:885-890. [PMID: 35946890 PMCID: PMC9623208 DOI: 10.5152/tjg.2022.21935] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Background: This study aims to assess the prevalence of preoperative and postoperative nutritional deficiencies and associated factors in patients who are eligible for laparoscopic sleeve gastrectomy. Methods: Patients who underwent primary laparoscopic sleeve gastrectomy between December 2018 and April 2020 were included in the study. All patients were screened by detailed laboratory tests pre- and post-laparoscopic sleeve gastrectomy 6th and 12th months. Patients’ data, which were recorded prospectively, were analyzed retrospectively. Results: A total of 228 patients were included in the study. The mean age was 39 ± 11.5 (60% female), and the mean body mass index was 41.2 ± 6.3 kg/m2. In the preoperative period, anemia was detected in 20 female patients (9%), low ferritin levels were detected in 25%, B12 and folic acid deficiencies were detected in 2.6% and 12.3%, respectively, and vitamin D deficiency was detected in 76% of the patients. During the postoperative follow-up, 77% of the patients received multivitamin supplements regularly. Mean body mass index regressed to 27.1 ± 4.2 kg/m2 in the first year. Incidence of anemia was found at 4.8%, low ferritin levels were 14%, folate deficiency was 5.3%, B12 deficiency was 5.3%, and vitamin D deficiency was 25% in the 12th month. Vitamin A, zinc, biotin, and thiamine deficiencies were 8.8%, 6.6%, 11%, and 2.2% in the 12th month, respectively. Conclusion: In the preoperative period, we detected significant deficiencies in some vitamins. The incidence of de novo vitamin deficiency during post-laparoscopic sleeve gastrectomy follow-up was low. Regular multivitamin–multimineral use may have an effect on this.
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Affiliation(s)
- Ozan Şen
- Türkçapar Bariatrics, Obesity Center, İstanbul, Turkey
- Nişantaşı University Faculty of Medicine, İstanbul, Turkey
- Corresponding author: Ozan Şen, e-mail:
| | - Dilara Çetin
- Türkçapar Bariatrics, Obesity Center, İstanbul, Turkey
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Şen O, Türkçapar AG. Effect of pre-operative weight loss on patients' outcomes undergoing laparoscopic sleeve gastrectomy. J Minim Access Surg 2022; 18:260-263. [PMID: 35313435 PMCID: PMC8973489 DOI: 10.4103/jmas.jmas_297_20] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 02/18/2021] [Accepted: 03/12/2021] [Indexed: 11/29/2022] Open
Abstract
Background The study aims to demonstrate whether weight loss with a low-calorie diet before laparoscopic sleeve gastrectomy (LSG) may affect the outcomes. Materials and Methods A total of 305 patients undergoing primary LSG were included in the study. Each patient adopted a low-calorie diet (1000 calories) before LSG. The patients were stratified into two groups. Group A: Those who lost 3% or more of their total body weight loss (TBWL), Group B: Those who lost <3% of their TBWL. Two groups were compared in terms of operative time, length of hospital stay, complications and weight loss outcomes. Results One hundred and five patients (35%) were in Group A and 200 patients were in Group B. Median weight loss was 4 kg (3-20 kg). Pre-operative mean body mass index (BMI) was 40 ± 7.4 kg/m2 in Group A and 41 ± 5.9 kg/m2 in Group B (P = 0.06). At 1 year after the surgery, BMI regressed to 29.7 ± 4.9 kg/m2 in Group A and to 27 ± 4.2 kg/m2 in Group B (P < 0.001). One hundred and twenty-nine patients who completed 2 years of follow-up, mean BMI regressed to 29.4 ± 4.1 kg/m2 in Group A (n = 46) and to 27.2 ± 4.5 kg/m2 in Group B (n = 83) (P < 0.001). In Group B, one patient experienced post-operative bleeding. No other complications were observed in the study. There was no significant difference between the groups in terms of operative time (P = 0.53) and length of hospital stay (P = 0.9). Conclusion Weight loss before LSG does not improve post-operative weight loss.
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Affiliation(s)
- Ozan Şen
- Türkçapar Bariatrics, Obesity Center, Istanbul, Turkey
- Department of Health Sciences, Nişantaşı University, Istanbul, Turkey
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Singhal R, Ludwig C, Rudge G, Gkoutos GV, Tahrani A, Mahawar K, Pędziwiatr M, Major P, Zarzycki P, Pantelis A, Lapatsanis DP, Stravodimos G, Matthys C, Focquet M, Vleeschouwers W, Spaventa AG, Zerrweck C, Vitiello A, Berardi G, Musella M, Sanchez-Meza A, Cantu FJ, Mora F, Cantu MA, Katakwar A, Reddy DN, Elmaleh H, Hassan M, Elghandour A, Elbanna M, Osman A, Khan A, Layani L, Kiran N, Velikorechin A, Solovyeva M, Melali H, Shahabi S, Agrawal A, Shrivastava A, Sharma A, Narwaria B, Narwaria M, Raziel A, Sakran N, Susmallian S, Karagöz L, Akbaba M, Pişkin SZ, Balta AZ, Senol Z, Manno E, Iovino MG, Osman A, Qassem M, Arana-Garza S, Povoas HP, Vilas-Boas ML, Naumann D, Super J, Li A, Ammori BJ, Balamoun H, Salman M, Nasta AM, Goel R, Sánchez-Aguilar H, Herrera MF, Abou-Mrad A, Cloix L, Mazzini GS, Kristem L, Lazaro A, Campos J, Bernardo J, González J, Trindade C, Viveiros O, Ribeiro R, Goitein D, Hazzan D, Segev L, Beck T, Reyes H, Monterrubio J, García P, Benois M, Kassir R, Contine A, Elshafei M, Aktas S, Weiner S, Heidsieck T, Level L, Pinango S, Ortega PM, Moncada R, Valenti V, Vlahović I, Boras Z, Liagre A, Martini F, Juglard G, Motwani M, Saggu SS, Al Moman H, López LAA, Cortez MAC, Zavala RA, D'Haese C, Kempeneers I, Himpens J, Lazzati A, Paolino L, Bathaei S, Bedirli A, Yavuz A, Büyükkasap Ç, Özaydın S, Kwiatkowski A, Bartosiak K, Walędziak M, Santonicola A, Angrisani L, Iovino P, Palma R, Iossa A, Boru CE, De Angelis F, Silecchia G, Hussain A, Balchandra S, Coltell IB, Pérez JL, Bohra A, Awan AK, Madhok B, Leeder PC, Awad S, Al-Khyatt W, Shoma A, Elghadban H, Ghareeb S, Mathews B, Kurian M, Larentzakis A, Vrakopoulou GZ, Albanopoulos K, Bozdag A, Lale A, Kirkil C, Dincer M, Bashir A, Haddad A, Hijleh LA, Zilberstein B, de Marchi DD, Souza WP, Brodén CM, Gislason H, Shah K, Ambrosi A, Pavone G, Tartaglia N, Kona SLK, Kalyan K, Perez CEG, Botero MAF, Covic A, Timofte D, Maxim M, Faraj D, Tseng L, Liem R, Ören G, Dilektasli E, Yalcin I, AlMukhtar H, Al Hadad M, Mohan R, Arora N, Bedi D, Rives-Lange C, Chevallier JM, Poghosyan T, Sebbag H, Zinaï L, Khaldi S, Mauchien C, Mazza D, Dinescu G, Rea B, Pérez-Galaz F, Zavala L, Besa A, Curell A, Balibrea JM, Vaz C, Galindo L, Silva N, Caballero JLE, Sebastian SO, Marchesini JCD, da Fonseca Pereira RA, Sobottka WH, Fiolo FE, Turchi M, Coelho ACJ, Zacaron AL, Barbosa A, Quinino R, Menaldi G, Paleari N, Martinez-Duartez P, de Aragon Ramírez de Esparza GM, Esteban VS, Torres A, Garcia-Galocha JL, Josa M, Pacheco-Garcia JM, Mayo-Ossorio MA, Chowbey P, Soni V, de Vasconcelos Cunha HA, Castilho MV, Ferreira RMA, Barreiro TA, Charalabopoulos A, Sdralis E, Davakis S, Bomans B, Dapri G, Van Belle K, Takieddine M, Vaneukem P, Karaca ESA, Karaca FC, Sumer A, Peksen C, Savas OA, Chousleb E, Elmokayed F, Fakhereldin I, Aboshanab HM, Swelium T, Gudal A, Gamloo L, Ugale A, Ugale S, Boeker C, Reetz C, Hakami IA, Mall J, Alexandrou A, Baili E, Bodnar Z, Maleckas A, Gudaityte R, Guldogan CE, Gundogdu E, Ozmen MM, Thakkar D, Dukkipati N, Shah PS, Shah SS, Shah SS, Adil MT, Jambulingam P, Mamidanna R, Whitelaw D, Adil MT, Jain V, Veetil DK, Wadhawan R, Torres A, Torres M, Tinoco T, Leclercq W, Romeijn M, van de Pas K, Alkhazraji AK, Taha SA, Ustun M, Yigit T, Inam A, Burhanulhaq M, Pazouki A, Eghbali F, Kermansaravi M, Jazi AHD, Mahmoudieh M, Mogharehabed N, Tsiotos G, Stamou K, Barrera Rodriguez FJ, Rojas Navarro MA, Torres OMO, Martinez SL, Tamez ERM, Millan Cornejo GA, Flores JEG, Mohammed DA, Elfawal MH, Shabbir A, Guowei K, So JB, Kaplan ET, Kaplan M, Kaplan T, Pham D, Rana G, Kappus M, Gadani R, Kahitan M, Pokharel K, Osborne A, Pournaras D, Hewes J, Napolitano E, Chiappetta S, Bottino V, Dorado E, Schoettler A, Gaertner D, Fedtke K, Aguilar-Espinosa F, Aceves-Lozano S, Balani A, Nagliati C, Pennisi D, Rizzi A, Frattini F, Foschi D, Benuzzi L, Parikh C, Shah H, Pinotti E, Montuori M, Borrelli V, Dargent J, Copaescu CA, Hutopila I, Smeu B, Witteman B, Hazebroek E, Deden L, Heusschen L, Okkema S, Aufenacker T, den Hengst W, Vening W, van der Burgh Y, Ghazal A, Ibrahim H, Niazi M, Alkhaffaf B, Altarawni M, Cesana GC, Anselmino M, Uccelli M, Olmi S, Stier C, Akmanlar T, Sonnenberg T, Schieferbein U, Marcolini A, Awruch D, Vicentin M, de Souza Bastos EL, Gregorio SA, Ahuja A, Mittal T, Bolckmans R, Wiggins T, Baratte C, Wisnewsky JA, Genser L, Chong L, Taylor L, Ward S, Chong L, Taylor L, Hi MW, Heneghan H, Fearon N, Plamper A, Rheinwalt K, Heneghan H, Geoghegan J, Ng KC, Fearon N, Kaseja K, Kotowski M, Samarkandy TA, Leyva-Alvizo A, Corzo-Culebro L, Wang C, Yang W, Dong Z, Riera M, Jain R, Hamed H, Said M, Zarzar K, Garcia M, Türkçapar AG, Şen O, Baldini E, Conti L, Wietzycoski C, Lopes E, Pintar T, Salobir J, Aydin C, Atici SD, Ergin A, Ciyiltepe H, Bozkurt MA, Kizilkaya MC, Onalan NBD, Zuber MNBA, Wong WJ, Garcia A, Vidal L, Beisani M, Pasquier J, Vilallonga R, Sharma S, Parmar C, Lee L, Sufi P, Sinan H, Saydam M. 30-Day Morbidity and Mortality of Bariatric Surgery During the COVID-19 Pandemic: a Multinational Cohort Study of 7704 Patients from 42 Countries. Obes Surg 2021; 31:4272-4288. [PMID: 34328624 PMCID: PMC8323543 DOI: 10.1007/s11695-021-05493-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 05/14/2021] [Accepted: 05/20/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND There are data on the safety of cancer surgery and the efficacy of preventive strategies on the prevention of postoperative symptomatic COVID-19 in these patients. But there is little such data for any elective surgery. The main objectives of this study were to examine the safety of bariatric surgery (BS) during the coronavirus disease 2019 (COVID-19) pandemic and to determine the efficacy of perioperative COVID-19 protective strategies on postoperative symptomatic COVID-19 rates. METHODS We conducted an international cohort study to determine all-cause and COVID-19-specific 30-day morbidity and mortality of BS performed between 01/05/2020 and 31/10/2020. RESULTS Four hundred ninety-nine surgeons from 185 centres in 42 countries provided data on 7704 patients. Elective primary BS (n = 7084) was associated with a 30-day morbidity of 6.76% (n = 479) and a 30-day mortality of 0.14% (n = 10). Emergency BS, revisional BS, insulin-treated type 2 diabetes, and untreated obstructive sleep apnoea were associated with increased complications on multivariable analysis. Forty-three patients developed symptomatic COVID-19 postoperatively, with a higher risk in non-whites. Preoperative self-isolation, preoperative testing for SARS-CoV-2, and surgery in institutions not concurrently treating COVID-19 patients did not reduce the incidence of postoperative COVID-19. Postoperative symptomatic COVID-19 was more likely if the surgery was performed during a COVID-19 peak in that country. CONCLUSIONS BS can be performed safely during the COVID-19 pandemic with appropriate perioperative protocols. There was no relationship between preoperative testing for COVID-19 and self-isolation with symptomatic postoperative COVID-19. The risk of postoperative COVID-19 risk was greater in non-whites or if BS was performed during a local peak.
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Affiliation(s)
- Rishi Singhal
- Upper GI unit, University Hospital Birmingham NHS Foundation Trust, Birmingham, UK.
| | - Christian Ludwig
- Institute of Metabolism and Systems Research (IMSR), College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Gavin Rudge
- Institute of Applied Health Research, Murray Learning Centre, University of Birmingham, Birmingham, UK
| | - Georgios V Gkoutos
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
- NIHR Biomedical Research Centre, Birmingham, B15 2TT, UK
- NIHR Surgical Reconstruction and Microbiology Research Centre, Birmingham, B15 2TT, UK
- MRC Health Data Research UK (HDR), Midlands Site, UK
| | - Abd Tahrani
- Institute of Metabolism and Systems Research (IMSR), College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
- Centre for Endocrinology, Diabetes and Metabolism (CEDAM), Birmingham Health Partners, Birmingham, UK
- Department of Diabetes and Endocrinology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Kamal Mahawar
- Bariatric Unit, South Tyneside and Sunderland NHS Trust, Sunderland, UK
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Singhal R, Ludwig C, Rudge G, Gkoutos GV, Tahrani A, Mahawar K, Pędziwiatr M, Major P, Zarzycki P, Pantelis A, Lapatsanis DP, Stravodimos G, Matthys C, Focquet M, Vleeschouwers W, Spaventa AG, Zerrweck C, Vitiello A, Berardi G, Musella M, Sanchez-Meza A, Cantu FJ, Mora F, Cantu MA, Katakwar A, Reddy DN, Elmaleh H, Hassan M, Elghandour A, Elbanna M, Osman A, Khan A, Layani L, Kiran N, Velikorechin A, Solovyeva M, Melali H, Shahabi S, Agrawal A, Shrivastava A, Sharma A, Narwaria B, Narwaria M, Raziel A, Sakran N, Susmallian S, Karagöz L, Akbaba M, Pişkin SZ, Balta AZ, Senol Z, Manno E, Iovino MG, Osman A, Qassem M, Arana-Garza S, Povoas HP, Vilas-Boas ML, Naumann D, Super J, Li A, Ammori BJ, Balamoun H, Salman M, Nasta AM, Goel R, Sánchez-Aguilar H, Herrera MF, Abou-Mrad A, Cloix L, Mazzini GS, Kristem L, Lazaro A, Campos J, Bernardo J, González J, Trindade C, Viveiros O, Ribeiro R, Goitein D, Hazzan D, Segev L, Beck T, Reyes H, Monterrubio J, García P, Benois M, Kassir R, Contine A, Elshafei M, Aktas S, Weiner S, Heidsieck T, Level L, Pinango S, Ortega PM, Moncada R, Valenti V, Vlahović I, Boras Z, Liagre A, Martini F, Juglard G, Motwani M, Saggu SS, Al Moman H, López LAA, Cortez MAC, Zavala RA, D'Haese C, Kempeneers I, Himpens J, Lazzati A, Paolino L, Bathaei S, Bedirli A, Yavuz A, Büyükkasap Ç, Özaydın S, Kwiatkowski A, Bartosiak K, Walędziak M, Santonicola A, Angrisani L, Iovino P, Palma R, Iossa A, Boru CE, De Angelis F, Silecchia G, Hussain A, Balchandra S, Coltell IB, Pérez JL, Bohra A, Awan AK, Madhok B, Leeder PC, Awad S, Al-Khyatt W, Shoma A, Elghadban H, Ghareeb S, Mathews B, Kurian M, Larentzakis A, Vrakopoulou GZ, Albanopoulos K, Bozdag A, Lale A, Kirkil C, Dincer M, Bashir A, Haddad A, Hijleh LA, Zilberstein B, de Marchi DD, Souza WP, Brodén CM, Gislason H, Shah K, Ambrosi A, Pavone G, Tartaglia N, Kona SLK, Kalyan K, Perez CEG, Botero MAF, Covic A, Timofte D, Maxim M, Faraj D, Tseng L, Liem R, Ören G, Dilektasli E, Yalcin I, AlMukhtar H, Al Hadad M, Mohan R, Arora N, Bedi D, Rives-Lange C, Chevallier JM, Poghosyan T, Sebbag H, Zinaï L, Khaldi S, Mauchien C, Mazza D, Dinescu G, Rea B, Pérez-Galaz F, Zavala L, Besa A, Curell A, Balibrea JM, Vaz C, Galindo L, Silva N, Caballero JLE, Sebastian SO, Marchesini JCD, da Fonseca Pereira RA, Sobottka WH, Fiolo FE, Turchi M, Coelho ACJ, Zacaron AL, Barbosa A, Quinino R, Menaldi G, Paleari N, Martinez-Duartez P, de Aragon Ramírez de Esparza GM, Esteban VS, Torres A, Garcia-Galocha JL, Josa M, Pacheco-Garcia JM, Mayo-Ossorio MA, Chowbey P, Soni V, de Vasconcelos Cunha HA, Castilho MV, Ferreira RMA, Barreiro TA, Charalabopoulos A, Sdralis E, Davakis S, Bomans B, Dapri G, Van Belle K, Takieddine M, Vaneukem P, Karaca ESA, Karaca FC, Sumer A, Peksen C, Savas OA, Chousleb E, Elmokayed F, Fakhereldin I, Aboshanab HM, Swelium T, Gudal A, Gamloo L, Ugale A, Ugale S, Boeker C, Reetz C, Hakami IA, Mall J, Alexandrou A, Baili E, Bodnar Z, Maleckas A, Gudaityte R, Guldogan CE, Gundogdu E, Ozmen MM, Thakkar D, Dukkipati N, Shah PS, Shah SS, Shah SS, Adil MT, Jambulingam P, Mamidanna R, Whitelaw D, Adil MT, Jain V, Veetil DK, Wadhawan R, Torres A, Torres M, Tinoco T, Leclercq W, Romeijn M, van de Pas K, Alkhazraji AK, Taha SA, Ustun M, Yigit T, Inam A, Burhanulhaq M, Pazouki A, Eghbali F, Kermansaravi M, Jazi AHD, Mahmoudieh M, Mogharehabed N, Tsiotos G, Stamou K, Barrera Rodriguez FJ, Rojas Navarro MA, Torres OMO, Martinez SL, Tamez ERM, Millan Cornejo GA, Flores JEG, Mohammed DA, Elfawal MH, Shabbir A, Guowei K, So JB, Kaplan ET, Kaplan M, Kaplan T, Pham D, Rana G, Kappus M, Gadani R, Kahitan M, Pokharel K, Osborne A, Pournaras D, Hewes J, Napolitano E, Chiappetta S, Bottino V, Dorado E, Schoettler A, Gaertner D, Fedtke K, Aguilar-Espinosa F, Aceves-Lozano S, Balani A, Nagliati C, Pennisi D, Rizzi A, Frattini F, Foschi D, Benuzzi L, Parikh C, Shah H, Pinotti E, Montuori M, Borrelli V, Dargent J, Copaescu CA, Hutopila I, Smeu B, Witteman B, Hazebroek E, Deden L, Heusschen L, Okkema S, Aufenacker T, den Hengst W, Vening W, van der Burgh Y, Ghazal A, Ibrahim H, Niazi M, Alkhaffaf B, Altarawni M, Cesana GC, Anselmino M, Uccelli M, Olmi S, Stier C, Akmanlar T, Sonnenberg T, Schieferbein U, Marcolini A, Awruch D, Vicentin M, de Souza Bastos EL, Gregorio SA, Ahuja A, Mittal T, Bolckmans R, Wiggins T, Baratte C, Wisnewsky JA, Genser L, Chong L, Taylor L, Ward S, Chong L, Taylor L, Hi MW, Heneghan H, Fearon N, Plamper A, Rheinwalt K, Heneghan H, Geoghegan J, Ng KC, Fearon N, Kaseja K, Kotowski M, Samarkandy TA, Leyva-Alvizo A, Corzo-Culebro L, Wang C, Yang W, Dong Z, Riera M, Jain R, Hamed H, Said M, Zarzar K, Garcia M, Türkçapar AG, Şen O, Baldini E, Conti L, Wietzycoski C, Lopes E, Pintar T, Salobir J, Aydin C, Atici SD, Ergin A, Ciyiltepe H, Bozkurt MA, Kizilkaya MC, Onalan NBD, Zuber MNBA, Wong WJ, Garcia A, Vidal L, Beisani M, Pasquier J, Vilallonga R, Sharma S, Parmar C, Lee L, Sufi P, Sinan H, Saydam M. 30-Day Morbidity and Mortality of Bariatric Surgery During the COVID-19 Pandemic: a Multinational Cohort Study of 7704 Patients from 42 Countries. Obes Surg 2021. [PMID: 34328624 DOI: 10.1007/s11695-021-05493-9.] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND There are data on the safety of cancer surgery and the efficacy of preventive strategies on the prevention of postoperative symptomatic COVID-19 in these patients. But there is little such data for any elective surgery. The main objectives of this study were to examine the safety of bariatric surgery (BS) during the coronavirus disease 2019 (COVID-19) pandemic and to determine the efficacy of perioperative COVID-19 protective strategies on postoperative symptomatic COVID-19 rates. METHODS We conducted an international cohort study to determine all-cause and COVID-19-specific 30-day morbidity and mortality of BS performed between 01/05/2020 and 31/10/2020. RESULTS Four hundred ninety-nine surgeons from 185 centres in 42 countries provided data on 7704 patients. Elective primary BS (n = 7084) was associated with a 30-day morbidity of 6.76% (n = 479) and a 30-day mortality of 0.14% (n = 10). Emergency BS, revisional BS, insulin-treated type 2 diabetes, and untreated obstructive sleep apnoea were associated with increased complications on multivariable analysis. Forty-three patients developed symptomatic COVID-19 postoperatively, with a higher risk in non-whites. Preoperative self-isolation, preoperative testing for SARS-CoV-2, and surgery in institutions not concurrently treating COVID-19 patients did not reduce the incidence of postoperative COVID-19. Postoperative symptomatic COVID-19 was more likely if the surgery was performed during a COVID-19 peak in that country. CONCLUSIONS BS can be performed safely during the COVID-19 pandemic with appropriate perioperative protocols. There was no relationship between preoperative testing for COVID-19 and self-isolation with symptomatic postoperative COVID-19. The risk of postoperative COVID-19 risk was greater in non-whites or if BS was performed during a local peak.
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Affiliation(s)
- Rishi Singhal
- Upper GI unit, University Hospital Birmingham NHS Foundation Trust, Birmingham, UK.
| | - Christian Ludwig
- Institute of Metabolism and Systems Research (IMSR), College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
| | - Gavin Rudge
- Institute of Applied Health Research, Murray Learning Centre, University of Birmingham, Birmingham, UK
| | - Georgios V Gkoutos
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK.,NIHR Biomedical Research Centre, Birmingham, B15 2TT, UK.,NIHR Surgical Reconstruction and Microbiology Research Centre, Birmingham, B15 2TT, UK.,MRC Health Data Research UK (HDR), Midlands Site, UK
| | - Abd Tahrani
- Institute of Metabolism and Systems Research (IMSR), College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK.,Centre for Endocrinology, Diabetes and Metabolism (CEDAM), Birmingham Health Partners, Birmingham, UK.,Department of Diabetes and Endocrinology, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Kamal Mahawar
- Bariatric Unit, South Tyneside and Sunderland NHS Trust, Sunderland, UK
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Abstract
BACKGROUND/AIMS The aim of this study is to share the results of gastric botulinum toxin (BTX) application in individuals who are overweight or type 1 obese without comorbidity. MATERIALS AND METHODS In this study, 13 patients were included who were enrolled for gastric BTX application for the first time. A total of 300 U of BTX-A (Allergan Botox ®1 vial 100 U) was diluted with 8 mL of 0.9% NaCl saline, and antrum (100 U to 8 spots), corpus (100 U to 8 spots), and fundus (100 U to 8 spots) regions were injected intramuscularly. Patients were given a 1200-calorie low-carb diet and this was followed for 6 months. RESULTS Gastric BTX application was applied to 13 patients with a mean age of 40.9 ± 5.2 (85% female), a mean body mass index (BMI) of 28.41 ± 1.4 kg/m2 (26-31.6) and a mean excess weight of 10.1 ± 3.6 kg. As a result of the 6-month follow-up, only four patients (30.8%) were able to lose more than 50% of their excess weight (6-15 kg). Six patients (46.2%) could not lose any weight. There was an average decrease of 3.3 kg in the weight of patients before and after BTX application (P = .03). A mean decrease of BMI was detected, 1.17 kg/m2 (P = .032). CONCLUSION It was concluded that the application of gastric BTX for weight loss does not provide effective results.
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Affiliation(s)
- Ozan Şen
- Türkçapar Bariatrics, Obesity Center, İstanbul, Turkey;Department of Health Sciences, Nişantaşı University, İstanbul, Turkey
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9
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Affiliation(s)
- Ozan Şen
- Obesity Center, Türkçapar Bariatrics, İstanbul, Turkey
- Department of Health Sciences, Nişantaşı University, İstanbul, Turkey
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10
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Şen O, Kara S, Türkçapar AG. Porto-mesenteric vein thrombosis after laparoscopic sleeve gastrectomy. A case report. Int J Surg Case Rep 2021; 79:424-427. [PMID: 33524799 PMCID: PMC7851411 DOI: 10.1016/j.ijscr.2021.01.086] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 01/20/2021] [Accepted: 01/20/2021] [Indexed: 11/26/2022] Open
Abstract
Porta-mesenteric vein thrombosis (PMVT) is a serious complication that maybe seen after sleeve gastrectomy. Abdominal pain is the most significant symptom of PMVT. Some patients may develop life-threatening intestinal ischemic symptoms. Early diagnosis and anticoagulant therapy are very important.
İntroduction and importance Porta-mesenteric vein thrombosis (PMVT) is a rare but fatal complication in patients who are undergoing bariatric surgery. In this report, we present a rare case of a PMVT after laparoscopic sleeve gastrectomy (LSG). Case presentation A 52-year-old male patient with a body mass index of 42 kg/m2 was admitted to our clinic for morbid obesity. Standart LSG was performed with 5 trocar technique. 15 days after LSG, the patient admitted to the emergency department with complaints of abdominal pain, nausea and vomiting. The patient was dehydrated. His C-reactive protein level was 138 mg/L. Abdominal computerized tomography with contrast was performed and showed thickening of a part of small bowel wall in 10 cm length. Also, major trombosis were detected in the superior mesenteric vein branches and portal vein. The patient was hospitalized and 2 × 10,000 IU/1.0 mL high dosage low moleculer weight heparin (LMWH) therapy was initiated. The patient’s clinical signs recovered rapidly following treatment. Clinical discussion İn LSG, if the gastroepiploic venous arcus, which runs along the greater curvatura, and has a direct connection to the portal circulation is damaged, a local thrombus may form and move towards the portal system over time. Dehydration is another significant predisposing factor for PMVT. Some patients may develop life-threatening intestinal ischemia. Abdominal tomography with contrast plays a major role in diagnosis. Conclusion PMVT should be considered as a serious complication after LSG in patients with abdominal pain. With early diagnosis and anticoagulant therapy, patients’s clinical symptoms may improve quicly.
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Affiliation(s)
- Ozan Şen
- Türkçapar Bariatrics, Obesity Center, Dikilitaş Mah. Ayazmadere cad, Yeşil Çimen sok no: 9, Beşiktaş, 34394, İstanbul, Turkey; Nişantaşı University, Department of Health Sciences, Maslak mah. Söğütözü sok. no: 20, Maslak 1453, Sarıyer, 34398, İstanbul, Turkey.
| | - Simay Kara
- Acibadem Fulya Hospital, Radiology Department, Hakkı yeten cad. Yeşilçimen sok. No: 23, 34349, İstanbul, Turkey
| | - Ahmet Gökhan Türkçapar
- Türkçapar Bariatrics, Obesity Center, Dikilitaş Mah. Ayazmadere cad, Yeşil Çimen sok no: 9, Beşiktaş, 34394, İstanbul, Turkey
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11
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Şen O, Karaca FC, Türkçapar AG. AB010. OP-10 Gastroesophageal reflux disease after sleeve gastrectomy—incidence and effectiveness of technical modifications. Ann Laparosc Endosc Surg 2020. [DOI: 10.21037/ales-2019-bms-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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12
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Şen O, Çalıkoğlu İ, Özgen G, Türkçapar AG, Yerdel MA. Sleeve gastrectomy in class 1 obesity: Assessment of operative outcomes. Surg Obes Relat Dis 2020; 17:170-176. [PMID: 32988747 DOI: 10.1016/j.soard.2020.08.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/24/2020] [Accepted: 08/12/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND The risk/benefit ratio of sleeve gastrectomy (SG), especially in patients without type 2 diabetes (T2D), is unknown for patients with class 1 obesity. OBJECTIVES Assessment of operative outcomes of SG in class 1 obesity. SETTING Private practice. METHODS Candidates for a primary SG with body mass index 30-35 kg/m2 after 5 years of unsuccessful dieting were included after informed consent was obtained. Participants who did not complete 3-month follow-up and those who underwent modified SGs were excluded. Data and complications were recorded prospectively. Patients were followed up at 3, 6, and 12 months and yearly thereafter. Definition of presence and remission of T2D and insulin resistance were set according to guidelines. Effects on weight loss parameters were evaluated with Wilcoxon signed-rank test. RESULTS Between 2012 and 2020, 143 consecutive SGs were performed in patients with class 1 obesity without conversion, leak, mortality, or a venous event. Two were lost to follow-up. In 141 participants, 2 bleedings and 1 colon perforation occurred (2.1% rate for acute life-threatening events). During a mean follow-up of 25.9 months; 1 case of functional stenosis and 4 cases of de novo symptomatic cholelithiasis clinically became evident in different patients, all requiring reoperation. Therefore a 5.6% rate of major complications were identified at 2 years. The benefit on weight loss was immediate and permanent (P < .001). T2D and insulin resistance were in remission in 100% and 98.1% of participants at 1 year, respectively. CONCLUSION The 5.6% major complication rate reflects a minimum because more de novo symptomatic gallstones and stenosis are yet to occur or overlooked. Additionally, this excludes patients with de novo reflux and malnutrition, dissatisfaction issues, or recidivism. Caution is required to freely operate on patients with class 1 obesity with no co-morbidity. Evidence-based outcome data are lacking to balance the reported risks.
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Affiliation(s)
- Ozan Şen
- İstanbul Bariatrics, Obesity and Advanced Laparoscopy Center, İstanbul, Turkey; Türkçapar Bariatrics, İstanbul, Turkey
| | - İsmail Çalıkoğlu
- İstanbul Bariatrics, Obesity and Advanced Laparoscopy Center, İstanbul, Turkey
| | - Görkem Özgen
- İstanbul Bariatrics, Obesity and Advanced Laparoscopy Center, İstanbul, Turkey
| | | | - Mehmet Ali Yerdel
- İstanbul Bariatrics, Obesity and Advanced Laparoscopy Center, İstanbul, Turkey.
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13
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Şen O, Türkçapar AG, Yerdel MA. Screening Esophagogastroduodenoscopy Before Laparoscopic Sleeve Gastrectomy: Results in 819 Patients. J Laparoendosc Adv Surg Tech A 2020; 31:672-675. [PMID: 32882153 DOI: 10.1089/lap.2020.0541] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Aim: The routine use of esophagogastroduodenoscopy (EGD) during the preoperative evaluation of surgical weight loss candidates is controversial. The aim of this study is to evaluate the findings of preoperative EGD in patients who are scheduled for a primary laparoscopic sleeve gastrectomy (LSG). The probable effect of these findings on the medical and surgical strategy that was followed is assessed. Methods: Findings of EGD obtained from consecutive LSG candidates and all data were prospectively recorded and retrieved from the database. Results: A total of 819 patients underwent EGD successfully. Mean age and body mass index were 38 ± 11.3 and 43.17 ± 7.2 kg/m2, respectively. Fifty-eight percent were female. EGD of 263 (32.1%) patients was normal and 687 (84%) patients were asymptomatic. At least one abnormal finding was detected in 65% of the asymptomatic patients. Abnormal findings that did not change the surgical strategy were found in 550 patients (67.2%). Findings such as gastritis or duodenitis that changed the medical management before surgery were found in 309 patients (38.2%). Helicobacter pylori was positive in 218 (26.6%) patients but eradication treatment was not applied in the preoperative period. No pathology was detected that would create absolute contraindication or change the type of surgery in any patient. Only technical modifications were required in 13% due to hiatal hernia. The timing of the planned surgery has changed in only 6 patients (0.74%) (early stage neuroendocrine tumor, leiomyoma, severe ulcer). Conclusions: Routine EGD performed before LSG did not change the planned bariatric option in any patient, but led to 13% rate of technical modifications due to the presence of hiatal hernia. At least one abnormal finding was detected in 65% of asymptomatic patients. Due to endoscopic findings, the rate of patients who started medical acid-suppression treatment in the preoperative period was 38%.
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Affiliation(s)
- Ozan Şen
- Türkçapar Bariatrics, Obesity Center, İstanbul, Turkey.,İstanbul Bariatrics, Obesity and Advanced Laparoscopy Center, İstanbul, Turkey.,Department of Health Sciences, Nişantaşı University, İstanbul, Turkey
| | | | - Mehmet Ali Yerdel
- İstanbul Bariatrics, Obesity and Advanced Laparoscopy Center, İstanbul, Turkey
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14
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Abstract
Aim: Several studies demonstrated increased alcohol intake after gastric bypass but not for laparoscopic sleeve gastrectomy (LSG). The purpose of this study is to determine whether there is an increased risk of developing alcohol use disorder after LSG. Materials and Methods: LSG patients with at least 1-year follow-up who completed the alcohol use disorder identification test (AUDIT) preoperatively, and at their control visit, were the subjects. AUDIT was applied to the patients who were followed up from 1 to 6 years postoperatively. Patients were divided into two groups as those who were followed for 1-3 years and 4-6 years. AUDIT scores and risk categories were compared. According to the AUDIT results, score intervals between 0-7, 8-15, 16-19 and 20-40 identified patients with low, moderate, high risk, and alcoholism, respectively. Results: There were 183 LSG patients eligible for inclusion. An AUDIT score of 2.79 before LSG showed prominent reduction in alcohol use in the first 3 years after LSG with a score of 2.27 (P = .033). At 4-6 years follow-up, AUDIT scores showed significant increase from 3.06 to 4.04, suggesting an increase in alcohol use in the long term (P = .042). In addition, the increase of risk after surgery in pre-LSG moderate-risk category (n = 21) turned out to be higher than pre-LSG low-risk category (n = 162). Conclusions: This study showed reduction in AUDIT scores in the first 3-year follow-up after LSG and increase in the 4-6 years follow-up. High pre-LSG AUDIT score, a potential risk for future alcohol use disorder, was one of the key findings of our study. Screening of LSG candidates before and after surgery by AUDIT scoring according to risk categories with larger samples will provide useful input for relevant guidelines.
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Affiliation(s)
- Ozan Şen
- Türkçapar Bariatrics, Obesity Center, İstanbul, Turkey.,İstanbul Bariatrics, Obesity and Advanced Laparoscopy Center, İstanbul, Turkey
| | - Hüseyin Ünübol
- Medical Faculty Psychiatry Department, Üsküdar University, İstanbul, Turkey
| | | | - Mehmet Ali Yerdel
- İstanbul Bariatrics, Obesity and Advanced Laparoscopy Center, İstanbul, Turkey
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15
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Şen O, Türkçapar AG. Combined partial posterior fundoplication with laparoscopic sleeve gastrectomy for morbid obese patients with symptomatic GERD. Video case report. Int J Surg Case Rep 2020; 71:34-36. [PMID: 32428830 PMCID: PMC7235945 DOI: 10.1016/j.ijscr.2020.04.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 03/29/2020] [Accepted: 04/09/2020] [Indexed: 12/12/2022] Open
Abstract
Gastro esophageal reflux disease (GERD) remains to be an important complication after sleeve gastrectomy. The general trend for patients who are planning to have bariatric surgery and have symptomatic GERD, Roux-en-Y gastric bypass is the most common choice. Combined partial posterior fundoplication with laparoscopic sleeve gastrectomy for morbid obese patients with symptomatic GERD is a feasible and effective method. This technique can be proposed in some case of obese patients with GERD as primery treatment modality.
İntroduction Gastroesophageal reflux disease (GERD), which can be seen in up to 30% in postoperative series, is perhaps the most important complication of sleeve gastrectomy(SG). The general trend for patients who are planning to have bariatric surgery and have symptomatic GERD, Roux-en-Y gastric bypass is the most common choice. Case Presentation and Management A 42-year-old female patient with a body mass index of 36 kg/m2 presented to our clinic with obesity and symptomatic GERD. She had been using proton pump inhibitör (PPI) regularly for 1 year. Preoperative endoscopy showed hiatal hernia but no esophagitis. The patient underwent ambulatory pH study and GERD was confirmed. The patient was scheduled to have laparoscopic hiatal hernia repair plus combined partial posterior fundoplication and sleeve gastrectomy. Hiatal hernia was repaired, gastric fundus was passed behind the esophagus and partial posterior fundoplication was performed, and than SG was completed. She stopped using PPI in the early postoperative period and her reflux symptoms disappeared completely. The patient lost 20 kg in the 3rd month (%40 ewl) and underwent controlled ambulatory pH moniterization and no reflux was detected. Conclusion İn some cases this technique can be proposed to obese patients with GERD as a primary treatment modality. High numbers of patients and longer follow up care are needed to assess the long term efficacy and safety of this technique.
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Affiliation(s)
- Ozan Şen
- Türkçapar Bariatrics, Obesity Center, İstanbul, Turkey; Nişantaşı Üniversity, Departmant of Health Sciences, İstanbul, Turkey.
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Şen O, Türkçapar AG, Yerdel MA. Cholelithiasis After Sleeve Gastrectomy and Effectiveness of Ursodeoxycholic Acid Treatment. J Laparoendosc Adv Surg Tech A 2020; 30:1150-1152. [PMID: 32228343 DOI: 10.1089/lap.2020.0077] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Aim: Few adverse effects may occur after bariatric surgery, one being the formation of gallstones. The aim of this study is to determine the incidence of cholelithiasis after laparoscopic sleeve gastrectomy (LSG) and whether ursodeoxycholic acid (UDCA) treatment reduces gallstone formation. Materials and Methods: Gall bladders of all patients planned for LSG were preoperatively checked by ultrasonography (USG). Patients who had no documented gallbladder pathology before LSG and who had USG at 12th month and 2 years follow-up after LSG were included in the study. The incidences of newly developed cholelithiasis, cholecystectomy, and endoscopic retrograde cholangiopancreatography (ERCP) requirement in patients who did not receive any UDCA treatment (pre-2015 protocol, n = 128) was compared with the corresponding numbers in patients who regularly used 500 mg/day oral UDCA for 6 months after the LSG (post-2015 protocol, n = 152). Results: Between January 2012 and October 2018, 717 LSGs were performed in two centers and after exclusions, 280 patients were eligible for evaluation. Sixty-four of 280 (23%) patients developed cholelithiasis after LSG and cholecystectomy was performed in 24 patients (8.6%) for symptomatic cholelithiasis. In the non-UDCA group, 48 patients developed cholelithiasis (n = 48/128, 37.5%) compared with 16 patients in the UDCA group (n = 16/152, 10.5%) (P < .001). Compared with 5 patients in the UDCA group, 19 patients underwent cholecystectomy (39.6%) in the non-UDCA group due to symptomatic cholelithiasis (P = .55) and 5 of these patients also required an ERCP. No ERCP became necessary in the UDCA group (P = .2). Conclusions: An almost fourfold decrease in the rate of new gall stone formation with 500 mg daily UDCA treatment was impressive and may suggest routine UDCA treatment after LSG. Given the rate of exclusions and follow-up differences among the groups, certainly, randomized trials, with less exclusion are needed to provide conclusive evidence.
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Affiliation(s)
- Ozan Şen
- Türkçapar Bariatrics, Obesity Center, İstanbul, Turkey.,İstanbul Bariatrics, Obesity and Advanced Laparoscopy Center, İstanbul, Turkey
| | | | - Mehmet Ali Yerdel
- İstanbul Bariatrics, Obesity and Advanced Laparoscopy Center, İstanbul, Turkey
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Şen O, Çalıkoğlu İ, Özgen G, Toydemir T, Türkçapar AG, Yerdel MA. Sleeve gastrectomy in patients with previous antireflux surgery. Preliminary results of the “no-touch to posterior wrap” technique. Surg Obes Relat Dis 2019; 15:1668-1674. [DOI: 10.1016/j.soard.2019.07.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 07/16/2019] [Accepted: 07/20/2019] [Indexed: 01/02/2023]
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Şen O, Türkçapar AG. Finding carcinoid tumor before bariatric surgery. Is preoperative endoscopy necessary? Case report. Int J Surg Case Rep 2019; 62:132-134. [PMID: 31499413 PMCID: PMC6734182 DOI: 10.1016/j.ijscr.2019.08.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Revised: 08/05/2019] [Accepted: 08/09/2019] [Indexed: 12/16/2022] Open
Abstract
The routine use of upper GI endoscopy in preoperative evaluation of bariatric surgery patients still remains controversial. The incidence of cancer increases in obese patients. The incidence of gastric neuroendocrine tumors in obese patients is higher than the general population (0.6% to 0.0006%). Endoscopic evaluation before bariatric surgery is important in terms of revealing many stomach pathologies that may change the treatment of the patient.
Introduction Carcinoid tumors are endocrine system-related lesions and 4% of the gastrointestinal tract's neuroendocrine tumors (NET) originate from stomach. In recent years, gastric carcinoid tumors have been reported at increasing rates on endoscopies. In this article, we will present a case of gastric carcinoid tumor detected at the upper gastrointestinal (GI) endoscopy during preoperative bariatric surgery workup. Case presentation A 55 years old male patient with body mass index (BMI) 46 kg/m2 was scheduled for bariatric surgery. Upper GI endoscopy revealed 2 separate 4–5 mm nodular lesions at gastric corpus and antrum. Biopsies were taken and both lesions were reported as neuroendocrine tumors. It was decided that the Laparoscopic sleeve gastrectomy (LSG) operation would be performed because both lesion areas would remain in the extracted part of stomach. Discussion The routine use of upper GI endoscopy in preoperative evaluation of bariatric surgery patients still remains controversial. Conclusion Upper GI endoscopy is very important in determining various gastric pathologies and determining the most appropriate surgical method before bariatric surgery.
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Affiliation(s)
- Ozan Şen
- Türkçapar Bariatrics, Obesity Center, Istanbul, Turkey; Acibadem Fulya Hospital, Istanbul, Turkey.
| | - Ahmet Gökhan Türkçapar
- Türkçapar Bariatrics, Obesity Center, Istanbul, Turkey; Acibadem Fulya Hospital, Istanbul, Turkey
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Şen O, Türkçapar AG, Yerdel MA. The effects of sleeve gastrectomy on shoe size one year after surgery. Turk J Surg 2017; 33:284-287. [PMID: 29260134 DOI: 10.5152/ucd.2017.3584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Accepted: 11/18/2016] [Indexed: 11/22/2022]
Abstract
Objective The aim of this study is to evaluate the effects of sleeve gastrectomy on shoe size one year after the procedure. To our knowledge, no study has yet been conducted addressing this issue. Material and Methods Patients who were prepared for sleeve gastrectomy were eligible for the study, and all data and preoperative shoe sizes were recorded in our prospective database. At the 12th month of follow-up, each patient's excess weight loss % was calculated, and their shoe sizes were recorded by verbal report. Arbitrary or half-size changes were not taken into consideration. The probability of a change in shoe size and the effects of age, sex, preoperative body mass index, and 12th month excess weight loss % on this change were investigated. p<0.05 was regarded as statistically significant. Results The subjects of the study were 212 patients who completed their 12-month follow-ups after sleeve gastrectomy between January 2012 and February 2016. The mean shoe size was 41.5; this decreased to 40.5 one year after sleeve gastrectomy (p<0.001). In patients with body mass index (BMI)>50, both the mean decrease (p=0.008) and the percentage of at least two size decreases (p=0.009) were significantly higher than those in patients with BMI<40. Age, sex, and excess weight loss % did not have any significant effects on shoe size. Conclusion Sleeve gastrectomy was clearly associated with decrease in shoe size after 12 months. Only preoperative body mass index was found to be directly associated with this decrease.
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Affiliation(s)
- Ozan Şen
- Department of General Surgery, Bariatrics Surgery, İstanbul Bariatrics, İstanbul, Turkey
| | - Ahmet Gökhan Türkçapar
- Department of General Surgery, Bariatrics Surgery, İstanbul Bariatrics, İstanbul, Turkey
| | - Mehmet Ali Yerdel
- Department of General Surgery, Bariatrics Surgery, İstanbul Bariatrics, İstanbul, Turkey
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Alanoglu Z, Ateş Y, Orbey BC, Türkçapar AG. Preoperative use of selective COX-II inhibitors for pain management in laparoscopic nissen fundoplication. Surg Endosc 2005; 19:1182-7. [PMID: 16132321 DOI: 10.1007/s00464-004-8254-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2004] [Accepted: 05/01/2005] [Indexed: 10/25/2022]
Abstract
BACKGROUND This randomized, double-blind, prospective, placebo controlled study was planned to determine the effectiveness of selective COX-II inhibitors used preoperatively to alleviate pain after Nissen fundoplication surgery. METHODS For this study, 60 patients were allocated to four groups at random: group C (celecoxib, 200 mg by mouth), group R (rofecoxib, 50 mg by mouth), group P (placebo, pill), or group D (diclophenac sodium, 75 mg intramuscularly). Postoperative abdominal and shoulder pain experienced by the patient at rest, with motion, and with coughing were assessed. Side effects and postoperative analgesic requirement (tramadol, intramuscular) also were recorded. RESULTS The median tramadol requirement in the 1st h and total tramadol requirement at the 24th h were higher in group P than in the other study groups (p < 0.01). The pain scores in the first postoperative hour were higher in group P (p < 0.05). CONCLUSIONS The preoperative use of celecoxib, rofecoxib, or diclophenac in laparoscopic Nissen fundoplication surgery decreases pain intensity and tramadol requirement in the first postoperative hour and has a trarnadol sparing effect in the first 24 h.
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Affiliation(s)
- Z Alanoglu
- Department of Anesthesiology and Reanimation, Ibn-i Sina Hospital, Refik Belendir Sok. 91/3 06540, Yukari Ayranci/ankara, Turkey.
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Pehlivan M, Dalbeler Y, Hazinedaroglu S, Arikan Y, Erkek AB, Günal O, Türkçapar N, Türkçapar AG. An assessment of the effect of Ginkgo Biloba EGb 761 on ischemia reperfusion injury of intestine. Hepatogastroenterology 2002; 49:201-4. [PMID: 11941954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
BACKGROUND/AIMS The aim of this study was to determine the effect of Ginkgo Biloba (EGb 761) on reperfusion injury of the small bowel. METHODOLOGY Forty-eight male 200-250 g Spraque-Dawley rats in six groups were used to determine the biochemical and histopathological changes after a 30-min ischemia and 30-min reperfusion. Pre-treatment with 50 mg/kg EGb 761 (Tebofortan, Karlsruhe-Germany) or 10-mL/kg saline was administered intravenously in the treatment and control groups. The superior mesenteric artery was occluded distal to the right colic artery and collateral arcades were ligated to provide complete ischemia. Ischemia was determined by the existence of pulseless or pale color of the small intestine. The return of the pulses and the reestablishment of the pink color were assumed to be the reperfusion of the intestine. Rats that were administered Egb 761 and saline were subjected to laparotomy, ischemia, or ischemia-reperfusion procedures. Mucosal lesions were graded from 0 to 5 in histopathological examination. Malondialdehyde and myeloperoxidase levels of the intestinal mucosa were measured. RESULTS No significant difference was noted between the control and treatment groups regarding the histopathological changes. Although malonyldialdehyde and myeloperoxidase levels of the reperfusion + EGb 761 group were slightly higher than the laparotomy + saline group, they were significantly lower than the reperfusion + saline group. CONCLUSIONS We concluded that EGb 761 pre-treatment before ischemia-reperfusion decreased malondialdehyde and myeloperoxidase levels and attenuated the mucosal damage.
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Affiliation(s)
- Mevlüt Pehlivan
- Department of General Surgery, Abant Izzet Baysal University, Düzce School of Medicine, 14450 Konuralp, Düzce, Turkey
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Türkçapar AG, Demirer S, Sengül N, Ersöz S, Kuterdem E, Renda N, Kuzu I. The adverse effects of octreotide on the healing of colonic anastomoses in rats. Surg Today 1998; 28:279-84. [PMID: 9548309 DOI: 10.1007/s005950050121] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Octreotide, a long-acting somatostatin analogue, is widely used in gastrointestinal hypersecretory states and also for endocrine tumors in an attempt to inhibit the paracrine hormones. Although it is well known that octreotide inhibits trophic and anabolic hormones, no research has been conducted on its adverse effects on wound healing. In the present study, groups of rats were given 20 mcg/kg/day octreotide and 100 mg/kg/day hydrocortisone, the latter being the negative control group, starting 5 days preoperatively. The colonic anastomoses were assessed for healing on postoperative days (PODs) 5 and 8 by determining the bursting pressure of the anastomoses, performing histopathological analysis, and measuring the hydroxyproline content of the anastomotic tissues. Octreotide was found to affect anastomotic healing negatively on both PODs 5 and 8, but the negative effect of hydrocortisone was significant only on POD 8. No significant difference was found between the adverse effects of the two agents on POD 8. These findings indicated that octreotide has an adverse effect on the healing of colonic anastomoses in rats.
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Affiliation(s)
- A G Türkçapar
- Department of General Surgery, Ankara University Medical School, Sihhiye, Turkey
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Abstract
We report herein our results of routinely performing tension-free repair for midline incisional hernias larger than 3 cm using a woven polypropylene graft between January 1990 and December 1995. Included in this study were 45 patients, 34 (73.1%) of whom had previously undergone a primary repair which had failed. The follow-up period ranged from 3 to 56 months with a mean of 36 months. Only one patient (2.2%) suffered a recurrence of the hernia. Although three (6.6%) developed a wound infection, one (2.2%) developed a wound sinus, and two (4.4%) developed wound seroma, none of these complications required removal of the graft. The findings of this study led us to conclude that Prolene grafts could be used as routine prosthetic material in the repair of incisional hernias. Moreover, during the follow-up period we observed that the modifications we made in the operative technique had a significantly positive effect on the outcome of the patients.
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Affiliation(s)
- A G Türkçapar
- Department of Surgery, Ankara University Medical School, Turkey
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Türkçapar AG, Ersöz S, Güngör C, Aydinuraz K, Yerdel MA, Aras N. Surgical treatment of hepatic hydatidosis combined with perioperative treatment with albendazole. Eur J Surg 1997; 163:923-8. [PMID: 9449445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVE To evaluate the effect of albendazole combined with surgery on the incidence of recurrent hydatid disease. DESIGN Prospective open study. SETTING Teaching hospital, Turkey. SUBJECTS 25 patients who presented with hepatic hydatid disease between December 1992 and October 1995. INTERVENTIONS Albendazole 10 mg/kg/day for a month before ultrasonography and then excision, and then albendazole for a further two months. RESULTS 2 patients were excluded because the albendazole caused disturbance of liver enzyme activities. Of the remaining 23 patients only 7 had viable cysts on ultrasonography. In 15 patients (65%) the germinal layer was partially or totally destroyed, and in 15 the fluid was either cloudy or stained with bile. During a mean follow up period of 29 months only one patient developed recurrent disease. CONCLUSION Perioperative treatment with albendazole resulted in fewer recurrences than expected. A longer preoperative period of treatment may increase the success rate; this requires further study.
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Affiliation(s)
- A G Türkçapar
- Department of General Surgery, Ankara University Medical School, Turkey
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Yerdel MA, Kesenci M, Yazicioglu KM, Döşeyen Z, Türkçapar AG, Anadol E. Effect of haemodynamic variables on surgically created arteriovenous fistula flow. Nephrol Dial Transplant 1997; 12:1684-8. [PMID: 9269649 DOI: 10.1093/ndt/12.8.1684] [Citation(s) in RCA: 70] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND The immediate success and flow rate of a newly constructed arteriovenous fistula is dependent on several haemodynamic factors affecting the inflow and outflow of the fistula. METHODS In this study we evaluated the effect of preoperative arterial blood pressure, arterial inflow, subclavian venous flow, and operative venous outflow resistance on the immediate success, with special reference to the quantity of the fistula flow in 32 patients undergoing internal arteriovenous fistula operations. Flow measurements were done by utilizing colour flow duplex imaging and measurement of venous resistance of the fistula vein was accomplished indirectly by a newly developed simple system. RESULTS A preoperative subclavian venous flow rate of less than 400 ml/min was associated with higher rate of immediate failures (P < 0.05) with a negative predictive value of 100% with 100% sensitivity. Regarding immediate failures, no other haemodynamic measurement was found to affect the success of a newly constructed fistula significantly. A linear correlation between the measured haemodynamic values and the quantity of postoperative fistula flow was not found. However, an arterial inflow value of > or = 40 ml/min was associated with higher fistula flow rates (P < 0.05). CONCLUSIONS The immediate success and flow of a newly constructed arteriovenous fistula is mainly dependent on arterial inflow and subclavian venous flow. An arterial inflow rate of 40 ml/min or more and subclavian venous flow rate of 400 ml/min or more measured by colour flow duplex imaging prior to the operation will be associated with better outcomes, and therefore the use of colour flow duplex imaging is warranted during the evaluation of patients who are candidates for an arteriovenous fistula operation.
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Affiliation(s)
- M A Yerdel
- Department of General Surgery, Ankara University Medical School, Turkey
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Ozaslan C, Türkçapar AG, Kesenci M, Karayalçin K, Yerdel MA, Bengisun S, Törüner A. Effect of lactulose on bacterial translocation. Eur J Surg 1997; 163:463-7. [PMID: 9231859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVE To find out if lactulose can prevent the bacterial translocation that is induced by obstructive jaundice in rats. DESIGN Laboratory experiment. SETTING Teaching hospital, Turkey. MATERIAL 50 male Wistar-albino rats. INTERVENTIONS 10 rats were not operated on and used as controls; 20 rats underwent laparotomy and sham ligation of the common bile duct (CBD); 20 had the CBD ligated alone; and 20 had the CBD ligated and were given oral lactulose 2 ml/day until death. All rats were killed after 14 days. MAIN OUTCOME MEASURES Presence of Escherichia coli in mesenteric lymph nodes (MLN), and bacterial overgrowth as indicated by counts of E coli in the caecum. RESULTS There was significantly less bacterial translocation to MLN in the group that had been given lactulose compared with CBD-ligated and lactulose not given (2/20 compared with 8/20, p = 0.06). There was also a significant reduction in the number of Gram negative bacteria in that group (p = < 0.01). CONCLUSION Lactulose seems to reduce the incidence of translocation from the gut to MLN in rats with obstructive jaundice.
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Affiliation(s)
- C Ozaslan
- Department of Surgery, Ankara University School of Medicine, Turkey
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Ersöz S, Cakmakh S, Geçim E, Türkçapar AG, Anadol E. The safety of total hepatic vascular occlusion in rabbits with acute extrahepatic cholestasis. Eur Surg Res 1996; 28:104-110. [PMID: 8834367 DOI: 10.1159/000129446] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The technique of normothermic total hepatic vascular occlusion (THVO) is achieved by concomitant clamping of the inferior vena cava above and below the liver in addition to portal inflow occlusion. In this study we investigated the use of THVO for 45 min in a rabbit model with acute cholestasis of 10 days' duration. In rabbits with normal preoperative liver functions (control group), serum total bilirubin, glutamic-pyruvic transaminase (SGPT), glutamic-oxaloacetic transaminase (SGOT), alkaline phosphate, and gamma-glutamyltranspeptidase levels returned to normal ranges within a week after THVO. In the group with persistent cholestasis THVO was performed 10 days after ligation of the extrahepatic bile duct. Total bilirubin and canalicular enzymes remained high while the SGOT and SGPT peaked and almost returned to the preoperative levels at 7 days following THVO in this group. A third group of animals also underwent THVO 10 days after ligation of their extrahepatic bile ducts with relief of the obstruction with a Teflon stent immediately after THVO. This group also showed the trend of normalization of liver canalicular and parenchymal enzymes and bilirubin by the end of 7 days. This study demonstrated the feasibility of THVO in rabbits with acute extrahepatic cholestasis whether the extrahepatic biliary obstruction persisted or not.
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Affiliation(s)
- S Ersöz
- Department of General Surgery, Ankara University, Turkey
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Türkçapar AG, Ersöz S, Gür U, Yerdel MA, Karaaslan A, Erden E, Kuterdem E. The effect of octreotid on bacterial translocation from the gut. An experimental study. Int Surg 1995; 80:264-6. [PMID: 8775617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Octreotid (OC) is a somatostatin (ST) analog which is being increasingly used during the management of various gastrointestinal disorders. This study was undertaken to assess the probable effects of OC on intraintestinal microflora and bacterial translocation. To our knowledge, no previous work has addressed this issue. Ten rats forming the study group were injected 20 micrograms/kg of OC subcutaneously for seven days. A control group (n = 10) received an equal volume of isotonic saline for seven days. All animals were sacrificed on the eighth day and tissue cultures were obtained from the mesenteric lymph nodes, liver, and spleen. Cultures were also made from the caecal content and a piece of terminal ileum was removed for histopathological examination. For statistical analysis, Mann Whitney-U, and Fisher's exact tests were used. Caecal bacterial content, and bacterial translocation were found to be significantly increased in the study group in comparison to the control group (p < 0.05). Among the study group, there was also a statistically significant increase in the caecal bacterial content in rats with evidence of bacterial translocation (p < 0.05). Histopathological evaluation drew a great deal of attention to submucosal edema present in the study group. OC significantly increases bacterial overgrowth, and translocation in rats. Studies on humans are needed to demonstrate similar clinical effects of OC.
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Affiliation(s)
- A G Türkçapar
- Department of General Surgery, University of Ankara, Turkey
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Köksoy C, Kuzu A, Erden I, Türkçapar AG, Düzgün I, Anadol E. Predictive value of colour Doppler ultrasonography in detecting failure of vascular access grafts. Br J Surg 1995; 82:50-2. [PMID: 7881956 DOI: 10.1002/bjs.1800820119] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The predictive role of colour Doppler ultrasonography in determining the initial success and long-term patency of polytetrafluoroethylene (PTFE) vascular access grafts for haemodialysis was investigated. Two groups of patients were studied. The upper extremities of 21 patients in the control group were assessed by clinical examination only; those of 17 in a second group (Doppler group) were also assessed by ultrasonography before and after operation. Straight PTFE vascular access grafts were used between the brachial artery and axillary vein in all patients. The median preoperative brachial artery flow rate was significantly lower in patients who later developed graft thrombosis (66 versus 87 ml/min, P < 0.01), as was the median postoperative graft flow rate (480 versus 800 ml/min, P < 0.001). Routine preoperative and postoperative colour Doppler ultrasonography is recommended for every patient in whom a vascular access graft is planned.
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Affiliation(s)
- C Köksoy
- Department of Surgery, University of Ankara, Turkey
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Türkçapar AG, Ozarslan C, Erdem E, Bumin C, Erverdi N, Kutlay J. The effectiveness of low molecular weight heparin on adhesion formation in experimental rat model. Int Surg 1995; 80:92-4. [PMID: 7657504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
In our experimental animal model, 50 Winstar-Albino rats were divided into five groups in a randomized manner. After all were anesthesized with ether, laparotomy was performed on each one and the caecum and terminal ileum were scrubbed with a toothbrush until serosal petechial bleedings were seen. In the first group, the abdomen was closed after this procedure. In the second group, the abdomen was closed after application of 0.9% NaCl solution intraperitoneally. In the third group, the abdomen was closed after LMWH (low molecular weight heparin) was given intraperitoneally. In the fourth group, LMWH was given in prophylactic dosage subcutaneously on the day of operation and for the following seven days. In the fifth group, abdomen was closed after heparin was given intraperitoneally. On the fourteenth postoperative day, the rats were sacrificed and intraperitoneal adhesions were scored according to the "Mazuji's Scale". There was a statistically significant difference between group I and group III. No statistically significant difference could be found between group I and group IV (p > 0.05). Between group I and V a statistically significant difference was found (p < 0.005). Again a statistically significant difference was found both between group III and IV (p < 0.05), and between group IV and V (p < 0.001). No such difference was observed between group IV and V (p < 0.05). As a result, in this animal model, LMWH given intraperitoneally to prevent adhesions was found to be more effective than subcutaneous and intraperitoneal heparin application.
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Affiliation(s)
- A G Türkçapar
- Department of Surgery, Ankara University School of Medicine, Turkey
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