Mini Gastric Bypass Risks & Complications

SHORT-TERM COMPLICATIONS (1-7 days)
These common complications are usually minor and resolve within days or weeks:
  • Bleeding from skin incisions – usually resolves in 1 to 3 days.
  • Nausea and vomiting
  • Diarrhea
More serious complications, although rare, are also possible. These include:
  • Leak, abscess and infection
  • Deep Vein Thrombosis (Blood clots involving the lower extremities)
  • Pulmonary embolus
  • Death
LONG-TERM COMPLICATIONS
  • Vitamin and mineral deficiencies (multivitamins are useful)
  • Peripheral neuropathy (disorders resulting from injury to the peripheral nerves)
  • Osteoporosis and bone loss
  • Abdominal wall hernia
  • Excessive weight loss and malnutrition
  • Inadequate weight loss
PREGNANCY
  • Many studies show that pregnant obese patients and their babies are at increased risk. Studies also document potential complications of pregnancy after gastric bypass operation
OTHER RISKS
  • Narrowing or ulceration of the connection between the stomach and the small bowel has been reported in one series in about 20% of all patients undergoing gastric bypass.
  • Narrowing or ulceration of the connection between the stomach and the small bowel
  • Bile Reflux Gastritis occurs when bile flows back into the stomach.
  • Fistulas (an abnormal passage leading from one hollow organ to another) abscess and infection have been seen in gastric bypass operations.
  • Dumping Syndrome (vasomotor and cardiovascular problems with weakness, sweating, nausea, diarrhea and dizziness) occurs in some patients with bypass.
  • Gallstones requiring postoperative laparoscopic cholecystectomy. To decrease this risk we have begun using Actigall.
  • Adhesions, scar tissue caused by healing after surgery, are much less common after laparoscopy.
  • Persistent diarrhea
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