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Bariatric Surgery and Procedures Flashcards

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  1. Which bariatric procedure involves removing approximately 80% of the stomach along the greater curvature, leaving a tubular pouch?

    Answer: Sleeve gastrectomy

    Sleeve gastrectomy removes about 80% of the stomach along the greater curvature, creating a banana-shaped tubular pouch.

  2. In Roux-en-Y gastric bypass, what is the approximate size of the newly created gastric pouch?

    Answer: About 15-30 mL

    The Roux-en-Y gastric pouch is typically 15-30 mL, roughly the size of an egg, which sharply restricts intake.

  3. Which mechanism primarily explains why sleeve gastrectomy reduces hunger beyond simple restriction?

    Answer: Removal of the ghrelin-producing gastric fundus

    The gastric fundus is the main site of ghrelin production, so its removal lowers levels of this hunger hormone.

  4. A patient with a BMI of 37 and type 2 diabetes asks whether they qualify for bariatric surgery under the 2022 ASMBS/IFSO guidelines. What is the most accurate response?

    Answer: Yes, surgery is recommended for BMI ≥35 regardless of comorbidities

    The 2022 ASMBS/IFSO guidelines recommend bariatric surgery for BMI ≥35 regardless of comorbidities and consider it for BMI 30-34.9 with metabolic disease.

  5. Which bariatric procedure is fully reversible and involves no cutting or stapling of the stomach or intestines?

    Answer: Adjustable gastric banding

    Adjustable gastric banding places a removable silicone band around the upper stomach without cutting or stapling, making it reversible.

  6. Which procedure combines a sleeve gastrectomy with a long intestinal bypass and produces the greatest average weight loss?

    Answer: Biliopancreatic diversion with duodenal switch

    The duodenal switch pairs a sleeve gastrectomy with a substantial intestinal bypass, yielding the greatest weight loss but the highest malabsorption risk.

  7. Why is laparoscopic surgery generally preferred over open surgery for bariatric procedures?

    Answer: It reduces wound complications, pain, and recovery time

    Laparoscopic approaches use small incisions, lowering wound complications, postoperative pain, and hospital stay compared with open surgery.