complications after bariatric surgery
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Author(s):  
Fareed Cheema ◽  
Aurora D. Pryor

Weight loss surgery has overall been shown to be very safe and effective. However, long-term outcomes data has allowed codification of post-operative complications specific to the type of weight loss surgery performed. This review focuses specifically on foregut-related postoperative complications after weight loss surgery, most of which are not discussed on a broad scale in the literature yet whose prevalence continues to rise. Clinicians should maintain a broad differential when treating patients with complications after bariatric surgery in order to perform a thorough and precise workup to identify the diagnosis and guide management.


2022 ◽  
Author(s):  
Jonas Wagner ◽  
Henrike Wruck ◽  
Anne Lautenbach ◽  
Philipp von Kroge ◽  
Stefan Wolter ◽  
...  

Abstract Purpose Venous thromboembolic events (VTEs) are common complications after bariatric surgery, and enoxaparin is commonly used to prevent VTEs. The risk for VTEs is sex-specific. Whether enoxaparin application results in similar anti-factor Xa activities (aFXa) in males and females with obesity remains to be determined. We investigated whether our dosage regimen of enoxaparin resulted in similar serum aFXa levels in female and male patients undergoing bariatric surgery. Materials and Methods We administered enoxaparin twice daily in patients undergoing bariatric surgery. Patients with a body mass index (BMI) > 60 kg/m2 (n = 11) received 60 mg enoxaparin (group 2), and patients with lower BMI (n = 86) received 40 mg per dose (group 1). Peak aFXa levels were measured 3 days after surgery. The primary outcome was the aFXa level. As a secondary outcome, we detected VTEs and major bleeding events and explored the possible influencing factors of aFXa. Results Women had higher aFXa than men, but after matching for anthropometric values, the two groups were similar (females: 0.17 ± 0.08 U/ml; males: 0.18 ± 0.08 U/ml). Linear regression revealed a moderate relationship between weight and aFXa levels. The 3-month follow-up was attended by 94.9%, at which one patient had pulmonary embolism. Conclusion Individual enoxaparin dosage regimens for men and women do not seem to be required. Weight-based dosing regimen seems to be a more reasonable choice. Graphical abstract


Medicine ◽  
2021 ◽  
Vol 100 (47) ◽  
pp. e27831
Author(s):  
Biao Zhou ◽  
Haoyang Ji ◽  
Yumeng Liu ◽  
Zhe Chen ◽  
Nianrong Zhang ◽  
...  

2021 ◽  
Vol 108 (Supplement_4) ◽  
Author(s):  
D Gero ◽  
M Vannijvel ◽  
S Okkema ◽  
E Deleus ◽  
A Lloyd ◽  
...  

Abstract Objective Management of poor response and of long-term complications after bariatric surgery (BS) is complex and under-investigated. Indications and types of reoperations vary widely and postoperative complication rates are higher compared to primary BS. Benchmarking uses best performance in a given field as reference point for improvement. Our aim was to define ‘‘best possible’’ outcomes for elective secondary BS. Methods The establishment of benchmarks in secondary BS followed a standardized methodology, based on recommendations of a Delphi consensus panel of experts. This multicenter study analyzed patients undergoing elective secondary BS in 18 high-volume centers on 4 continents from 06/2013 to 05/2019. Twenty-one outcome benchmarks were established in low-risk patients, defined as the 75th percentile of the median outcome values of the centers. Benchmark cases had no: previous laparotomy, diabetes, sleep apnea, cardiopathy, renal insufficiency, inflammatory bowel disease, immunosuppression, history of thromboembolic events, BMI>50kg/m2 or age>65 years. Descriptive statistics, multivariate logistic regression and data visualization were performed using the R software. Results Out of 44’884 elective bariatric procedures performed in the participating centers, 5’328 secondary BS cases were identified. The benchmark cohort included 3143 cases, mainly females (85%), aged 43.8±10 years, 8.4±5.3 years after primary BS, with a body mass index 35.2±7kg/m2. Main indications were insufficient weight loss (43%) and gastro-esophageal reflux disease/dysphagia (25%). 90-days postoperatively, 14.57% of benchmark patients presented ≥1 complication, mortality was 0.06% (n = 2). Significantly higher morbidity was observed in non-benchmark cases (OR 1.36) and after conversional or revisional procedures with gastrointestinal suture/stapling (OR 1.7). Benchmark cutoffs at 90-days postoperatively were ≤5.8% re-intervention and ≤8.8% re-operation rate. At 2-years (IQR 1-3) 15.6% of benchmark patients required a reoperation. Conclusion Secondary BS is safe, although postoperative morbidity exceeds the established benchmarks for primary BS. The excess morbidity is due to an increased risk of gastrointestinal leakage and higher need for intensive care. The considerable rate of tertiary BS warrants expertise and future research to optimize the management of non-success after BS.


2021 ◽  
Vol 6 (3) ◽  
pp. 238-251
Author(s):  
Alexandre Nuzzo ◽  
Sebastien Czernichow ◽  
Alexandre Hertig ◽  
Séverine Ledoux ◽  
Tigran Poghosyan ◽  
...  

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