Gastrointestinal System Disorders Q 17 - Gyan Darpan : Learning Portal
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Saturday, 16 April 2022

Gastrointestinal System Disorders Q 17

You’re caring for Beth who underwent a Billroth II procedure (surgical removal of the pylorus and duodenum) for treatment of a peptic ulcer. Which findings suggest that the patient is developing dumping syndrome, a complication associated with this procedure?
    A. Flushed, dry skin.
    B. Headache and bradycardia.
    C. Dizziness and sweating.
    D. Dyspnea and chest pain.

Correct Answer: C. Dizziness and sweating.

After a Billroth II procedure, a large amount of hypertonic fluid enters the intestine. This causes extracellular fluid to move rapidly into the bowel, reducing circulating blood volume and producing vasomotor symptoms. Vasomotor symptoms produced by dumping syndrome include dizziness and sweating, tachycardia, syncope, pallor, and palpitations.

Option A: Dumping syndrome occurs in patients who have had gastric surgery. Symptoms of early dumping occur within 10 to 30 minutes after a meal. Late dumping can present 1 to 3 hours after a high-carbohydrate meal. In early dumping, the symptoms usually occur within 10 to 30 minutes after a meal. The rapid transit of hyperosmolar chyme from the stomach into the duodenum causes fluid to shift from the vasculature to the intestinal lumen, leading to increased volume in the small bowel.
Option B: There may be GI or vasomotor symptoms. GI symptoms include nausea, vomiting, diarrhea, or belching. Vasomotor symptoms include shock, syncope, near-syncope, palpitations, dizziness, desire to lie down, or diaphoresis. The suggested division of meals recommended is at least six times per day. Liquids should be withheld until 30 minutes after the meal. In addition, simple sugars and milk products should be avoided.
Option D: The enteric nervous system plays a major role in the regulation of gastric emptying, involving several gastrointestinal (GI) hormones and extrinsic innervation. Late dumping, also known as postprandial hyperinsulinemic hypoglycemia, usually occurs 1 to 3 hours after a high-carbohydrate meal. There is an association with hypoglycemia, but the exact mechanism is unknown. It is proposed that the rapid absorption of carbohydrates exaggerates the glucose-mediated insulin response.

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