Kawasaki disease primarily affects which type of blood vessels?& x20; - NORCET 9 Mains - 2025

NORCET 9 Mains - 2025

Child Health Nursing (Pediatrics)

Easy

Appeared in: NORCET 9 Mains - 2025

Explanation

Kawasaki disease (KD) is classified as a medium-vessel vasculitis.
It primarily targets medium-sized muscular arteries, with a strong predilection for the coronary arteries.
This involvement is clinically significant as it can lead to the formation of coronary artery aneurysms, thrombosis, and myocardial infarction.
While large and small vessels can be involved, the defining characteristic and major morbidity of KD relate to medium-vessel inflammation.

Option B: Vasculitis that primarily affects large vessels, such as the aorta and its main branches, is characteristic of other conditions.
Option C: Vasculitis that primarily affects small vessels (arterioles, capillaries, venules) is also a distinct category of diseases.
Option D: This option is incorrect because Kawasaki disease has a well-established classification as a medium-vessel vasculitis.

Visual 1: Diagram - A flowchart or diagram classifying different types of vasculitis (e.g., Takayasu, Kawasaki, Henoch-Schönlein) based on the size of the primary blood vessels affected (large, medium, small). This helps visually organize the differential diagnoses.
Visual 2: Illustration - An image showing a cross-section of a normal coronary artery compared to one from a patient with Kawasaki disease, highlighting the inflammation and potential for aneurysm formation. This clarifies the primary pathology.

Clinical Relevance

Nursing practice connection: Knowing Classification of Kawasaki disease based on affected blood vessel size helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Early recognition and treatment of Kawasaki disease are critical for nurses to prevent long-term cardiac complications. The primary goal is to reduce inflammation in the coronary arteries.
Nurses administer and monitor high-dose intravenous immunoglobulin (IVIG) and aspirin, which are the cornerstone of treatment to reduce the risk of coronary artery aneurysms.
Continuous cardiac monitoring and assessment for signs of heart failure (e.g., tachycardia, gallop rhythm, respiratory distress) are crucial nursing responsibilities during the acute phase.

How to Approach the Question

First, identify the core of the question, which is asking for the specific classification of Kawasaki disease (KD) based on the type of blood vessel it affects.
Recall the major categories of vasculitis, which are classified by the size of the vessels involved: large, medium, and small.
Access your knowledge about common childhood vasculitides. Remember that KD is the leading cause of acquired heart disease in children in many developed nations, specifically due to its effect on the coronary arteries.
Classify the coronary arteries as medium-sized vessels.
Connect this information: KD affects coronary arteries, which are medium-sized vessels. Therefore, KD is a medium-vessel vasculitis.
Select the option that matches this conclusion.

Concept Tested & Keywords

Concept Tested: Classification of Kawasaki disease based on affected blood vessel size.
Stem keywords: Kawasaki disease, blood vessels
Lead-in keywords: primarily affects
Negative lead-in flag: false

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