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Pregnancy & ChildbirthWellness & PreventionTreatment & Care

Weight Loss Surgery: Possible Complications

As with all surgeries, there are potential risks. One or all more of the following complications could potentially be involved with all occur with a weight loss surgical procedures.

Surgical

  • Perforation of stomach/intestine or leakage, causing peritonitis or abscess
  • Internal bleeding requiring transfusion
  • Severe wound infection, opening of the wound, incisional hernia
  • Spleen injury requiring removal/other organ injury
  • Gastric outlet or bowel obstruction

Pulmonary

  • Pneumonia, atelectasis (collapse of lung tissue), fluid in chest
  • Respiratory insufficiency, pulmonary edema (fluid in lungs)
  • Blood clots in legs/lungs (embolism)

Cardiovascular

  • Myocardial infarction (heart attack), congestive heart failure
  • Arrhythmias (irregular heartbeats)
  • Stroke (cerebrovascular accident)

Kidney and Liver

  • Acute kidney failure
  • Liver failure
  • Hepatitis (may progress to cirrhosis)

Psychosocial

  • Anorexia nervosa, bulimia
  • Postoperative depression, dysfunctional social problems
  • Psychosis

Death


Other complications (may become serious)

  • Minor wound or skin infection/scarring, deformity, loose skin
  • Urinary tract infection
  • Allergic reactions to drugs or medications
  • Vomiting or nausea/inability to eat certain foods/improper eating
  • Inflammation of the esophagus (esophagitis), acid reflux (heartburn)
  • Low sodium, potassium, or blood sugar; low blood pressure
  • Problems with the outlet of the stomach (narrowing or stretching)
  • Anemia, metabolic deficiency (iron, vitamins, minerals), temporary hair loss
  • Constipation, diarrhea, bloating, cramping, malodorous stool or gas
  • Development of gallstones or gallbladder disease
  • Stomach or outlet ulcers (peptic ulcer)
  • Staple-line disruption, weight gain, failure to lose satisfactory weight
  • Intolerance to refined sugars (dumping), with nausea, sweating, weakness