Hemorrhoids result from?

Appeared in: BSF Staff Nurse - 2015

Explanation

Hemorrhoids are dilated veins in the anal canal that result from increased pressure.
Constipation leads to straining during defecation.
This straining action significantly increases intra-abdominal and venous pressure, causing the hemorrhoidal veins to become engorged and swell.
Therefore, constipation is a direct and primary cause of hemorrhoid formation.

Option B: Diarrhea involves frequent, loose stools. While chronic diarrhea can cause irritation and inflammation in the perianal area, it does not typically cause the sustained increase in venous pressure that leads to the formation of hemorrhoids.
Option C: Regular physical exercise is generally protective against hemorrhoids. It promotes healthy bowel function, improves circulation, and helps prevent constipation, which is a primary risk factor.
Option D: A high-caloric diet is an indirect risk factor. Such diets are often low in fiber, which leads to constipation. A high-caloric diet can also lead to obesity, another risk factor that increases pressure on pelvic veins. However, constipation is the more direct cause listed in the options.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pathophysiology and causes of hemorrhoids as background academic context rather than a clinical decision trigger.
A key nursing role is patient education on preventing hemorrhoids, focusing on diet, fluid intake, and bowel habits to avoid constipation and straining.
Nurses manage patient comfort for symptomatic hemorrhoids through interventions like sitz baths, topical anesthetics, and ensuring soft stools.
What if? If the patient is pregnant, the risk for hemorrhoids is even higher due to both constipation and increased pressure from the growing uterus on the pelvic veins. Nursing interventions would focus heavily on dietary management and safe stool softeners.

How to Approach the Question

First, understand the question is asking for a direct cause of hemorrhoids.
Recall the pathophysiology of hemorrhoids: they are swollen veins caused by increased pressure.
Evaluate each option based on its ability to increase pressure in the anal and rectal veins.
Analyze 'Constipation': This involves straining, which directly increases intra-abdominal pressure and venous pressure in the rectum.
Analyze 'Diarrhea': This causes irritation but not the sustained pressure needed for vein swelling.
Analyze 'Exercise': This generally improves bowel function and prevents constipation, making it protective.

Concept Tested & Keywords

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E6 Medicine Harrison 22e Part 2 p. 488-490

E6 Nursing Fundamentals Potter Perry 12e Part 6 p. 25-27

E6 Nursing Brunner Adult Health 3SA Vol 1 Part 2 p. 156-158

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