Abstract
Abstract Introduction Revisional bariatric procedures are increasingly prevalent. These procedures are more complex with higher risk of complications as compared to primary procedures. The potential indications for revisional laparoscopic gastric bypass (R-LRYGB) may include weight regain and gastroesophageal reflux disease (GORD). This video abstract presents role of fundectomy and Indocyanine green fluorescence angiography (ICG-FA) for perfusion assessment of gastric pouch in R-LRYGB. Methods and Operative technique A 40-year-old female with previous laparoscopic adjustable gastric band (LAGB) surgery underwent R-LRYGB procedure following approval at bariatric multidisciplinary team meeting. LAGB was removed due to band slippage and chronic pouch dilatation, 2 years prior to the revisional procedure. Preoperative BMI was 53 kg/m2. Pre-operative upper gastrointestinal endoscopy was normal. The operative technique included dissection of angle of His, access into lesser sac along lesser curve below 2nd vessel off left gastric artery (LGA) and division of short gastric vessels to gain access to leaser sac from lateral aspect. The stomach was divided horizontally with linear stapler (EndoGIA 60 Gold cartridge), level with second vessel off LGA followed by creation of vertical gastric pouch over a size 34 Oro-gastric tube, that included excision of gastric fundus. ICG was administered intravenously according to an agreed protocol for the study. Karl Storz Image1 STM Rubina system with overlay and monochromatic modes was used for perfusion assessment. ICG-FA was utilised for qualitative assessment of gastric pouch perfusion before and after linear stapled gastro-jejunal anastomosis. Results Operative time was 240 minutes. Adhesions were encountered in the lesser sac at the site of previous LAGB. Fundectomy allowed better visualisation of lesser sac, adhesiolysis and facilitated creation of gastric pouch. ICG perfusion of gastric pouch was satisfactory. The postoperative length of stay was 2 days. There were nopostoperative complications at 6 months follow-up. The patient achieved 42% excess weight loss (BMI 43) over 6 months period. Conclusions Fundectomy is a safe and feasible operative step in R-LRYGB in patients with previous primary LAGB. ICG-FA is a promising qualitative assessment tool in revisional bariatric procedures.
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