Revisional Surgery After One Anastomosis/Minigastric Bypass: an Italian Multi-institutional Survey

Background Efficacy and safety of OAGB/MGB (one anastomosis/mini gastric bypass) have been well documented both as primary and as revisional procedures. However, even after OAGB/MGB, revisional surgery is unavoidable in patients with surgical complications or insufficient weight loss. Methods A questionnaire asking for the total number and demographics of primary and revisional OAGB/MGBs performed between January 2006 and July 2020 was e-mailed to all S.I.C. OB centres of excellence (annual caseload > 100; 5-year follow-up > 50%). Each bariatric centre was asked to provide gender, age, preoperative body mass index (BMI) and obesity-related comorbidities, previous history of abdominal or bariatric surgery, indication for surgical revision of OAGB/MGB, type of revisional procedure, pre- and post-revisional BMI, peri- and post-operative complications, last follow-up (FU). Results Twenty-three bariatric centres (54.8%) responded to our survey reporting a total number of 8676 primary OAGB/MGBS and a follow-up of 62.42 ± 52.22 months. A total of 181 (2.08%) patients underwent revisional surgery: 82 (0.94%) were suffering from intractable DGER (duodeno-gastric-esophageal reflux), 42 (0.48%) were reoperated for weight regain, 16 (0.18%) had excessive weight loss and malnutrition, 12 (0.13%) had a marginal ulcer perforation, 10 (0.11%) had a gastro-gastric fistula, 20 (0.23%) had other causes of revision. Roux-en-Y gastric bypass (RYGB) was the most performed revisional procedure (109; 54%), followed by bilio-pancreatic limb elongation (19; 9.4%) and normal anatomy restoration (19; 9.4%). Conclusions Our findings demonstrate that there is acceptable revisional rate after OAGB/MGB and conversion to RYGB represents the most frequent choice. Graphical abstract

Biliary reflux after laparoscopic modified antireflux monoanastomotic gastric bypass surgery

Aim. Determination of biliary reflux in patients with morbid obesity after a single-anastomotic gastric bypass operation performed in the clinic's modification and according to the classical Roux-en-Y gastric bypass technique. Development of diagnostic criteria for biliary reflux Materials and methods. The results of treatment of 36 patients with morbid obesity who underwent bypass surgery were studied. The patients are divided into two groups. Clinically modified laparoscopic monoanastomotic gastric bypass surgery was performed in 25 patients (main group). The control group included 11 patients after the standard technique of Roux-en-Y laparoscopic gastric bypass. Inclusion criteria were: persons of both sexes aged 18-60 years with morbid obesity and a body mass index of 40 or more, as well as 35 or more in the presence of comorbid diseases (type 2 diabetes mellitus, arterial hypertension, dyslipidemia, sleep apnea syndrome). In both groups, impedance pH measurements were performed in the postoperative period. Statistical processing was performed using the Statistica 13.0 software package using parametric and nonparametric statistical methods. Results: Clinical manifestations of the enterogastric biliary reflex were found in both groups; in addition, clinical manifestations of the corresponding symptoms were noted by patients of both groups. The analysis of daily pH-metry in the studied groups showed that in the esophagus the time with pH <4 in the main group 2.83 (1.55; 3.95)% 3.00 (2.30; 3.50)% in the control group, time with pH 4-6.9 (physiological for the esophagus) 92.40 (90.65; 94.20)% and 94.10 (89.80; 95.50)%, respectively, time with pH> 7 (weak alkaline) was 4.80 (3.45; 5.85)% and in the control group 2.90 (1.20; 7.20)%. There was no statistically significant difference in these indicators (p> 0.05). Conclusions. Monoanastomotic gastric bypass surgery in the modification of the clinic has the same positive properties as the Rouen-Wye technique, allowing you to avoid the risks associated with possible pathological reflux of bile into the esophagus. Patients who have undergone mini-gastric bypass surgery require a thorough examination with fibrogastroscopy in combination with pH impedance measurement at least 1 time per year in order to determine biliary reflux and morphological changes both in the lumen of the esophagus and in the stomach stump. The level of quality of life of patients after surgery in the control group and the main group does not significantly differ, as evidenced by the results of the questionnaire survey using the GERG Q questionnaire, which indicates the effectiveness of the methodology of laparoscopic monoanastomotic gastric bypass surgery modified in the clinic. Key words: morbid obesity, gastric bypass surgery, surgical treatment, mini-gastric bypass, biliary reflux.

Is belching increasing after bariatric bypass surgery in the long term period?

Background and aims: Gastric bypass surgery effectively treats obesity; however, its association with belching, which occurs in other bariatric surgeries, remains unclear. Hence, we aimed to evaluate belching occurrence after gastric bypass surgery. Methods: We enrolled 12 healthy volunteers and 17 patients (12 and 5 underwent Roux-en-Y gastric bypass and mini-gastric bypass surgeries 24 (18–54) months prior, respectively). Gastrointestinal symptoms were assessed. Gastroscopy was performed, followed by the 24-hour pH-impedance analysis. Results: Age and sex were not statistically different between the two groups (P > 0.05). Patients had a significantly higher mean DeMeester score than the healthy controls (9.11 ± 19.40 vs. 6.04 ± 5.60, P = 0.048), but the pathologic acid reflux (DeMeester score > 14) rate was similar in both groups (11.8% vs. 8.3%). Regarding the impedance, symptom-association probability was positive in 11.8% of patients. The patients also had higher alkaline reflux rates (6% vs. 0%); additionally, 50% of them experienced belching based on the questionnaire, and 25% had esophagitis based on gastroscopy. Furthermore, patients had a significantly higher number of gas reflux (123.24 ± 80 vs. 37.2 ± 21.5, P = 0.001) and supragastric/ gastric belches (182 ± 64/228 ± 66.69 vs. 25.08 ± 15.20/12.17 ± 17.65, P = 0.001). Supragastric belching was more frequent than gastric belching in the controls, whereas gastric belching was more frequent in the patients. Conclusion: Belching increases after gastric bypass surgery in a long-term period. Gastric belching was more frequent than supragastric belching in these patients.

Invasive candida infection after bariatric surgery for morbid obesity presenting as late anastamotic leak

Introduction: Gastrointestinal (GI) leaks are one of the most dreaded complications following bariatric surgery because of the difficulty in diagnosing them and the associated increased morbidity and mortality. Case report: Presenting one such case of 49 yr old gentleman who was on follow-up post bariatric surgery presented lately as acute abdomen and diagnosed as GI perforation and further evaluation and procedure carried out. Discussion: GI leakage after bariatric surgery has been identified as an independent risk factor associated with perioperative death. This highlights the importance of high index of suspicion for diagnosis of this potentially lethal complication. A positive radiology should not be awaited for before exploring patients in whom the diagnosis is still unclear. Conclusion: Histopathologic examination (HPE) remains one of the major diagnostic tools in mycology because it permits rapid, presumptive identification of fungal infections, even when blood cultures are negative. There are different ways to manage leaks, depending on the magnitude of the collection and the clinical presentation. Keywords: surgical pathology; gastrointestinal candidiasis; diagnosis; mini gastric bypass; bariatric surgery; candida.

Comparative study between Single Anastomosis Sleeve Ileal Bypass (SASI) and Mini Gastric Bypass (OAGB) in treatment of Morbid Obesity

Background Single anastomosis sleeve ileal bypass (SASI) procedure appears as anew metabolic and bariatric surgery based on santoro's operation, in which sleeve gastrectomy is followed by side to side gastro-ileal loop anastomosis. Aim of the Work to compare between Single Anastomosis Sleeve Ileal Bypass (SASI) and Mini Gastric Bypass (OAGB) in treatment of morbid obesity. Patients and Methods Our study was a prospective randomized comparative study in Ain Shams University hospitals involving 50 patients suffering from morbid obesity and in whom surgical management was indicated. Our patients were randomly divided using closed envelopment method into two groups: Group (1): (25 patients) were treated by laparoscopic SASI. Group (2): (25 patients) were treated by laparoscopic MGB. Results One year after the surgery, there was significant diabetic remission rate and there was improvement of most of obesity-associated metabolic parameters Conclusion Our study suggests that both SASI and MGB are highly effective in controlling diabetes mellitus, hypertension and hyperlipidemia.

Comparison between Early Results of Laparoscopic Mini Gastric Bypass and Sleeve Gastrectomy regarding Weight Loss, Remission of Type II Diabetes Mellitus and Hypertension

Background Bariatric Surgery leads to a dramatic improvement in morbid obesity and associated type 2 Diabetes Mellitus (T2DM) and hypertension. Objectives The aim of the study was to compare between early results of Laparoscopic Mini Gastric Bypass and Sleeve gastrectomy regarding excess weight loss, remission of Type II diabetes mellitus and hypertension. Patients and Methods Type of the study, retrospective study. study setting, Our study was carried out at The General Surgery Department Ain Shams University Hospitals. study period,. All cases were operated during the period February and march 2019. Follow up of patients 6 months after operation was done (retrospective study). Last follow up was done on September 2019. The study included 50 patients aged 18-60 years with Type II Diabetes Mellitus and hypertension of at least 6 months duration, BMI 35 65 kg/m2 for at least 5 years. Results In this study There was no statistical significant difference between studied groups as regard age,gender,and baseline clinical data. there was a statistical significant difference between patients in LMGB group as well as between patients in LGS group before and six months after surgery as regard weight in kg, BMI and HbA1C and.remission of hypertention (P value 0.000). there was high statistical significant difference between studied groups as regard percentage of change of weight and BMI(P value 0.000) However, there was no statistical significant difference between studied groups as regard percent of change of HbA1C. (P value 0.613),remission of T2DM.(p value 0.123 ) and control of hypertension. (p value 0.136 ). Further results and data could be reached on long-term follow up of patients involved in this study. Conclusion Patients receiving mini-gastric bypass had more advantageous indexes than patients receiving sleeve gastrectomy, such as higher six months EWL% (excess weight loss), higher T2DM remission rate and higher hypertension remission rate. Especially on long term follow up and that was proved by meta analysis of previous studies but on short term follow up there is no statistical singnificant difference between both studied groups except in percentage of change of weight and BMI. Mini-gastric bypass is simple, safe and more effective bariatric procedure than laparoscopic sleeve gastrectomy.

Comparison of preoperative and postoperative Lipid Profile changes in obese and morbidly obese patients after mini gastric bypass surgery

Background & Objective: Obesity has become a serious health problem that has become increasingly important in recent years. Since patients with high levels of obesity have dyslipidemia and an unbalanced lipid profile, they have a high risk of both diabetes mellitus and cardiovascular disease. This study aimed to evaluate the short (3 months) and long term (12 months) effects of mini-gastric bypass surgery from the current bariatric surgical techniques on the lipid profile. Methods: Of the patients undergoing Mini-gastric bypass operation between January 2016 to December 2018 at the General Surgery Clinic of Private Samsun Büyük Anadolu Hospital, demographic data and changes in lipid concentrations at 3 and 12 months were analyzed. Patients were grouped according to age, sex, body mass index (BMI), cardiologic risk groups, bypass lengths, and obesity classes. Total cholesterol, triglyceride, LDL-cholesterol, and HDL cholesterol values of the patients were examined at the time of admission to the outpatient clinic before the operation, at the postoperative third month and at the post-operative twelfth-month. Patients who did not go for a checkup during the one-year follow-up and whose data could not be reached or missing were excluded from the study. Results: There was no significant difference in terms of age, sex, and cardiovascular risk (p>0.05). Although the HDL-C level was initially low (p<0.001), it significantly increased 12 months after surgical treatment (p<0.001). While serum concentrations of LDL cholesterol, total cholesterol, and triglycerides were high preoperatively, they significantly decreased at 12 months postoperatively (p<0.001). When compared with values in the 3rd- and 12th-month, there was a significant decrease in the class-3 obesity group but not in the class-2 obesity group. When serum HDL cholesterol concentrations were compared with preoperative baseline and postoperative 12th-month those, no statistically-significant difference was found in serum concentrations in the 3rd month, although there was a significant increase in both class 2 and 3 obesity groups. Conclusion: In patients undergoing mini-gastric bypass surgery, serum LDL cholesterol, total cholesterol, and triglyceride concentrations decreased in the 12th postoperative month, but serum HDL cholesterol concentrations increased. doi: https://doi.org/10.12669/pjms.37.7.4123 How to cite this:Guzel K, Ikizek M. Comparison of preoperative and postoperative Lipid Profile changes in obese and morbidly obese patients after mini gastric bypass surgery. Pak J Med Sci. 2021;37(7):---------. doi: https://doi.org/10.12669/pjms.37.7.4123 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.