# A nurse is caring for a patient who underwent a total gastrectomy for gastric cancer. Which nursing intervention is most important to prevent dumping syndrome?

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> subject: Adult Health

## 문제

A nurse is caring for a patient who underwent a total gastrectomy for gastric cancer. Which nursing intervention is most important to prevent dumping syndrome?

## 보기

1. Encourage the patient to drink fluids with meals to aid digestion
2. Provide large, well-balanced meals three times daily
3. Instruct the patient to eat small, frequent meals and limit fluid intake around meals **✔ 정답**
4. Recommend high-carbohydrate foods to maintain energy levels

**정답: 3**

## 해설

Small, frequent meals and limiting fluids around meals slow gastric emptying, preventing dumping syndrome. Other options (drinking fluids with meals, large meals, high-carbohydrate foods) can exacerbate rapid emptying and symptoms.

## 심화 해설

Correct Answer: 3

Understanding Dumping Syndrome After Total Gastrectomy

Dumping syndrome is a frequent and distressing complication following gastric surgery, particularly total gastrectomy. When the stomach's reservoir function is lost, ingested food, especially hyperosmolar contents, rapidly empties into the small intestine. This triggers a fluid shift from the intravascular space into the bowel lumen, leading to early dumping symptoms (abdominal cramping, nausea, diarrhea, tachycardia, hypotension) within 30 minutes of eating. Late dumping, occurring 1-3 hours postprandially, results from an exaggerated insulin response to the rapid carbohydrate load, causing reactive hypoglycemia.

Why Option 3 is the Most Important Intervention

Instructing the patient to eat small, frequent meals and limit fluid intake around meals directly addresses the core pathophysiology of rapid gastric emptying. Small, frequent meals reduce the volume of chyme delivered to the jejunum at any one time, preventing sudden distension and fluid shifts. Limiting fluids during meals decreases the overall volume and osmolality of the gastric contents, slowing the transit time. This dietary modification is the cornerstone of dumping syndrome management because it mechanically compensates for the lost gastric reservoir and controlled pyloric emptying, as emphasized in the evolving focus of postoperative care on enhancing quality of life through individualized reconstruction and symptom management [1].

Analysis of Incorrect Options

- Option 1: Encouraging fluids with meals would accelerate gastric emptying and increase the osmotic load delivered to the small intestine, directly exacerbating the fluid shifts responsible for dumping symptoms. This is contraindicated.

- Option 2: Providing large meals three times daily overwhelms the capacity of the small intestine to handle a large bolus of chyme, which is the primary trigger for dumping syndrome. Post-gastrectomy patients cannot accommodate or regulate the emptying of large volumes.

- Option 4: Recommending high-carbohydrate foods is detrimental. Simple carbohydrates are hyperosmolar and rapidly absorbed, precipitating both early dumping (due to fluid shifts) and late dumping (due to reactive hypoglycemia). The dietary focus should instead be on complex carbohydrates, high protein, and moderate fat to slow gastric emptying and provide sustained energy.

Clinical Application and NCLEX-RN Focus

The management of dumping syndrome is a high-yield NCLEX-RN topic that tests the nurse's ability to apply knowledge of pathophysiology to practical dietary teaching. The priority intervention is always dietary modification centered on small, frequent meals and the separation of solids and liquids. This aligns with the broader postoperative shift towards structured, proactive nutritional care models, which are associated with improved nutritional outcomes after radical gastrectomy . While the referenced study focuses on digital follow-up, its premise underscores the critical importance of detailed, behavior-focused dietary education at the point of care. The long-term success of such self-management behaviors is crucial, as sustained adherence directly impacts quality of life and prevents complications, a principle that applies equally to patients adapting to altered anatomy after cancer surgery .References (research sources)

- [1]Current Trends in Gastric Cancer Surgery and Postoperative Care.Research articlePark SH, Cho A, Kim DJ. (2025) · DOI: 10.7704/kjhugr.2025.0063

## 임상 시나리오

Preventing Dumping Syndrome Post-GastrectomyDietary Strategies to Compensate for Lost Gastric Reservoir
The cornerstone of management is small, frequent meals (e.g., 6 small meals daily) to reduce the volume of chyme entering the jejunum at one time.

Instruct the patient to limit fluid intake to 30 minutes before or after meals, not during. This decreases the overall volume and osmolality of gastric contents, slowing transit time.

Dietary composition should focus on high protein, moderate fat, and low carbohydrate content to avoid hyperosmolar loads that trigger fluid shifts and reactive hypoglycemia.

Clinical AlertLying down supine for 15-30 minutes after meals can help delay gastric emptying and manage vasomotor symptoms. Monitor for signs of reactive hypoglycemia (tachycardia, diaphoresis, confusion) 1-3 hours postprandially.

## 핵심 개념

- **Dumping Syndrome** — A complication after gastric surgery where rapid emptying of hyperosmolar contents into the small intestine causes fluid shifts, abdominal symptoms, and vasomotor instability.
- **Early Dumping** — Symptoms occurring within 30 minutes of eating, caused by fluid shift from intravascular space into the bowel lumen.
- **Late Dumping** — Reactive hypoglycemia occurring 1-3 hours postprandially due to an exaggerated insulin response to a rapid carbohydrate load.
- **Total Gastrectomy** — Surgical removal of the entire stomach, eliminating its reservoir function and controlled pyloric emptying.
- **Hyperosmolar** — Having a high concentration of particles, which draws fluid into the gastrointestinal tract.

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