Which of the following surgery leads to Dumping syndrome?

Appeared in: KPSC Staff Nurse - 2018

Explanation

Gastrectomy involves the removal of part or all of the stomach, which often includes the pyloric sphincter.
The pylorus normally regulates the passage of food from the stomach to the small intestine.
Without the pylorus, hyperosmolar food is rapidly 'dumped' into the small intestine, causing a fluid shift from the blood into the gut.
This fluid shift and the release of vasoactive hormones lead to the gastrointestinal and vasomotor symptoms of dumping syndrome.

Option A: Appendectomy is the removal of the appendix, an organ attached to the large intestine. It has no role in gastric emptying or upper GI function.
Option C: Cholecystectomy is the removal of the gallbladder. While it can cause post-operative digestive issues like diarrhea (post-cholecystectomy syndrome) due to altered bile flow, it does not cause dumping syndrome.
Option D: Sigmoidectomy is the removal of the sigmoid colon, which is the final section of the large intestine. This surgery affects bowel function but is anatomically distant from the stomach and does not influence its emptying rate.

Clinical Relevance

Nursing practice connection: Knowing Post-Surgical Complications of Gastrointestinal Surgery helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Patient education is a key nursing role in managing dumping syndrome. Nurses must teach patients critical dietary modifications to control symptoms.
Key dietary advice includes: eating 6 small, frequent meals; choosing high-protein, high-fat, low-carbohydrate foods; avoiding simple sugars (like candy, soda, juice); and separating liquids from solids by at least 30 minutes.
Instructing the patient to lie down (recumbent position) for 20-30 minutes after meals can use gravity to slow the transit of food from the stomach.

How to Approach the Question

First, identify the core concept in the question: 'Dumping syndrome'.
Recall the pathophysiology of dumping syndrome, which is the rapid emptying of gastric contents into the small intestine.
Consider which part of the gastrointestinal tract, when surgically altered, would lead to this rapid emptying. This points directly to the stomach and its outlet, the pylorus.
Evaluate each surgical option based on the organ involved: Appendectomy (appendix), Gastrectomy (stomach), Cholecystectomy (gallbladder), and Sigmoidectomy (colon).
Conclude that only Gastrectomy directly alters the stomach's structure and function in a way that causes dumping syndrome.

Concept Tested & Keywords

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E6 Medicine Harrison 22e Part 2 p. 437-439

E6 Nursing Brunner Adult Health 3SA Vol 1 Part 2 p. 149-151

Practise the full KPSC Staff Nurse - 2018

Attempt every question from this paper in a timed mock, then review the full solution for each one.