A nurse is assessing the leg of a patient with a history of chronic venous insufficiency. What physiologic changes should a nurse conclude are the result of this disease?

1. A

   Stasis ulcer

2. B

   Necrotic tissue

3. C

   Ecchymotic area

4. D

   Diminished pulse

Appeared in: ISRO 2024

Explanation

• Chronic venous insufficiency (CVI) results from incompetent venous valves, leading to venous hypertension and blood pooling in the lower legs.
• This increased pressure causes fluid, red blood cells, and proteins to leak into the surrounding tissues.
• Over time, this process leads to edema, hemosiderin staining (brownish discoloration), and lipodermatosclerosis (skin hardening).
• The most severe complication is the breakdown of this compromised tissue, forming a venous stasis ulcer, typically around the medial ankle.

Why Other Options Were Wrong

• Option B: Necrotic tissue (eschar) is dead tissue resulting from a severe lack of oxygenated blood supply (ischemia).
• Option C: An ecchymotic area refers to acute bruising caused by trauma or a bleeding disorder. It is not a chronic physiologic change of CVI.
• Option D: A diminished or absent pulse is a classic sign of peripheral arterial disease (PAD), indicating that arterial blood flow to the extremity is obstructed.

Related Visual

Clinical Relevance

• Nursing practice connection: Use the key finding related to Pathophysiological changes of Chronic Venous Insufficiency (CVI) to guide bedside assessment, documentation, and the next nursing action.
• Accurately differentiating between venous and arterial insufficiency is critical for nurses, as the treatments are often opposite. For example, applying compression therapy to a leg with severe arterial disease can worsen ischemia and lead to tissue loss.
• Patient education is a cornerstone of CVI management. Nurses must teach patients about the importance of consistent leg elevation, wearing compression stockings, regular exercise (like walking), and meticulous skin care to prevent ulcer formation and recurrence.
• What if? If the patient had a diminished or absent pulse in the affected leg, the primary diagnosis would shift towards peripheral arterial disease (PAD). The priority intervention would be an urgent referral for vascular assessment, and compression therapy would be contraindicated until arterial flow is evaluated.

How to Approach the Question

• First, identify the core concept of the question: It asks for a physiologic change that is a direct result of chronic venous insufficiency.
• Recall the pathophysiology of CVI: It involves the failure of veins to return blood effectively, leading to stasis, increased pressure, and fluid leakage into tissues.
• Evaluate each option based on this pathophysiology.
• Stasis ulcer: This is a well-known, late-stage complication directly caused by chronic venous stasis and tissue breakdown. This is a strong candidate.
• Necrotic tissue: This implies tissue death from a lack of arterial blood supply (ischemia), which is the opposite of a venous problem.
• Ecchymotic area: This is acute bruising from trauma, not a chronic change associated with CVI.

Concept Tested & Keywords

• Concept Tested: Pathophysiological changes of Chronic Venous Insufficiency (CVI)
• Stem keywords: chronic venous insufficiency, physiologic changes, leg assessment
• Lead-in keywords: conclude, result of
• Negative lead-in flag: false

Question ID

Q8CZ8l6mngtWSKwXoNjf88

Copy ID

Reference Book

E6 Nursing Brunner Adult Health 3SA Vol 1 Part 3 pp. 81-83, 54-56

E6 Medicine Harrison 22e Part 2 p. 84-86