Which of the following statements regarding Kawasaki disease is true –
Correct Answer: Associated with coronary artery aneurysm in up to 25% of untreated cases
Description: "Coronary artery aneurysm develop in up to 25% of untreated patients" - Nelson
Kawasaki disease
Kawasaki disease, also known as lymph node syndrome, mucocutaneous-lymph node syndrome, and infant polyarteritis, is a poorly understood self-limited vasculitis that affects many organs, including the skin mucous membrane, lymph nodes, heart and blood vessel walls.
It is usually seen in children younger than 5 years.
Kawasaki disease predominantly affect medium sized vessels, but may also affect small or large vessels.
Presentation
Presenting features may be divided into : -
1. Mucocutaneous, lymphnode involved
Often begins with high grade fever.
Erythma of mouth, red cracked lips, a strawberry tongue.
Bilateral conjuctival injection with iritis and keratic precipitate.
Red palms and soles
Rash, which may take many forms (but not vesicular), on trunk.
Rash with peeling of skin in genital area perineal desquamation.
Cervical lymphadenopathy
Beau's lines (transverse grooves on nails).
Arthralgia
2. Heart
The cardiac complications are the most important aspect of the disease.
These are due to coronary vasculitis.
Vasculitis causes coronary ectasia and coronary artery aneurism.
Aneurism may lead to MI and sudden death.
Myocarditis, pericarditis with small pericardial effusion.
Valvular regurgitation
Laborator findings
Lymph node biopsy does not aid the diagnosis of Kawasaki disease (not used)
The diagnosis of Kawasaki disease is based on presence of specific clinical signs (Clinical criteria).
These is no specific laboratory test
Category:
Pediatrics
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