Risks of Gastric Bypass Surgery

Posted by admin in Prescription Obesity Drugs on July 29th, 2009

Getting a gastric bypass surgery is a major decision. It requires careful research of the procedure and its potential risks in order to avoid post-surgery complications. It is therefore crucial to know the risks of gastric bypass surgery.




There are several different risk factors that play a role in gastric bypass surgery: pre-existing risk factors, general complications common to all abdominal surgeries, specific gastric bypass surgery risks, and risks related to the experience level of the surgeon.





Pre-existing Risk Factors for Gastric Bypass



  • Degree of Obesity

  • Heart Disease

  • Obstructive Sleep Apnea

  • Diabetes Mellitus

  • History of Prior Pulmonary Embolism





General Risks of Abdominal Surgeries



  • Infection

  • Hemorrhage

  • Hernia

  • Bowel obstruction

  • Venous thromboembolism





Specific Risks of Gastric Bypass Surgery



  • Anastomotic leakage

  • Anastomotic stricture

  • Anastomotic ulcer

  • Dumping syndrome





Choosing a Surgeon


Much of the risk of death within 30 days after the surgery is attributed to the level of experience of the surgeon. There is a learning curve for surgeons who perform gastric bypass surgery. Once surgeons have gained experience and performed more than 20 procedures, the short-term risk of death is much lower and closer to 0.5%.

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