Weight Loss Surgery Weight Loss Surgery 2

Question 1

Which vitamin deficiency is MOST commonly seen after Roux-en-Y gastric bypass due to reduced absorption in the bypassed small intestine?

Accepted Answer

Vitamin B12

Answer

Intrinsic factor and the terminal ileum are bypassed, severely impairing B12 absorption after gastric bypass.

Question 2

What is 'dumping syndrome' in the context of bariatric surgery?

Accepted Answer

Rapid emptying of stomach contents into the small intestine causing nausea and diarrhea

Answer

Dumping syndrome occurs when food moves too quickly from the stomach pouch into the small intestine, causing gastrointestinal distress.

Question 3

Which bariatric procedure is purely restrictive with NO malabsorptive component?

Accepted Answer

Adjustable gastric band

Answer

The adjustable gastric band only restricts food intake volume and does not alter intestinal absorption.

Question 4

A patient two years post-sleeve gastrectomy develops severe gastroesophageal reflux. What is the most likely recommended surgical conversion?

Accepted Answer

Roux-en-Y gastric bypass

Answer

Converting a sleeve to Roux-en-Y gastric bypass effectively eliminates acid reflux by diverting bile and stomach contents away from the esophagus.

Question 5

What is the recommended minimum duration of pre-operative medically supervised diet before most insurance companies approve bariatric surgery?

Accepted Answer

6 months

Answer

Most US insurers require documentation of a 6-month physician-supervised weight loss program before approving bariatric surgery.

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