Obesity is a global health issue, Roux-en-Y gastric bypass (RYGB), is an effective treatment for weight loss. However, some patients experience insufficient weight loss after RYGB, leading to alternative strategies such as adding an adjustable gastric band to the bypass. This case reports a 43-year-old female with morbid obesity who underwent open RYGB in 2004, achieving significant weight loss. However, she experienced weight regain, indicating RYGB failure. A laparoscopic band was placed around her bypass with no post-operative complications and successful steady weight reduction. During follow-up, an upper gastrointestinal series revealed a gastro-gastric fistula. Despite the fistula, the patient maintained a steady weight, with a significant excess weight loss of 40.2% since the banded gastric bypass surgery. The development of a gastro-gastric fistula, which typically affects weight loss outcomes, was managed conservatively without impacting the patient's steady weight maintenance. This highlights an unexpected weight loss outcome in a patient who underwent laparoscopic banding following RYGB failure and later developed a gastro-gastric fistula. Despite the initial RYGB failure, the patient achieved significant weight loss, surpassing the average reported in previous studies.
Keywords: banded gastric bypass; gastrogastric fistula; laparoscopic adjustable gastric band; laparoscopic gastric bypass; open roux-en-y gastric bypass surgery; roux-en y.
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