All surgical procedures carry risks. Your surgeon will explain all potential bariatric surgery complications, both short and long term, and answer any questions.
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What Are the Most Common Post-Op Risks and Side Effects Associated with Bariatric Surgery?
Some bariatric surgery risks include:
Acid reflux
Anesthesia-related risks
Chronic nausea and vomiting
Dilation of esophagus
Inability to eat certain foods
Infection
Obstruction of stomach
Weight gain or failure to lose weight
Bariatric Surgery Long-Term Risks
Bariatric surgery carries some long-term risks for patients, including:
Dumping syndrome, a condition that can lead to symptoms like nausea and dizziness
Low blood sugar
Malnutrition
Vomiting
Ulcers
Bowel obstruction
Hernias
Overview of Bariatric Surgery Risks and Complications by Procedure
Risks and side effects vary by bariatric procedure. The following list is not all-inclusive, but briefly outlines risks of gastric bypass and gastric sleeve.
Your bariatric surgeon will make sure you understand the risks and complications of your specific procedure.
Risks of Gastric Bypass:
Breakage
Dumping syndrome
Gallstones (risk increases with rapid or
substantial weight loss)
Hernia
Internal bleeding or profuse bleeding of the
surgical wound
Leakage
Perforation of stomach or intestines
Pouch/anastomotic obstruction or bowel obstruction
Protein or calorie malnutrition
Pulmonary and/or cardiac problems
Skin separation
Spleen or other organ injury
Stomach or intestine ulceration
Stricture
Vitamin or iron deficiency
Risks of Gastric Sleeve:
Blood clots
Gallstones (risk increases with rapid or
substantial weight loss)
Hernia
Internal bleeding or profuse bleeding of the
surgical wound
Leakage
Perforation of stomach or intestines
Skin separation
Stricture
Vitamin or iron deficiency
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