Kawasaki disease - an Indian perspective

Area of Science:

• Pediatrics
• Immunology
• Cardiology

Background:

• Kawasaki disease (KD), first reported in 1967, is a global vasculitic disorder primarily affecting young children.
• An infectious etiology is suspected, but no definitive causative agent has been identified.
• KD is the most common vasculitic disorder in children, with incidence rates up to 150 per 100,000 children under 5.

Purpose of the Study:

• To highlight the diagnostic challenges and clinical features of Kawasaki disease.
• To emphasize the importance of early recognition and treatment to prevent coronary artery abnormalities (CAA).
• To raise awareness among pediatricians, especially in regions like India where underdiagnosis is prevalent.

Main Methods:

• Diagnosis relies on recognizing a specific sequence of clinical features, as no single symptom is pathognomonic.
• Clinical presentation can be mistaken for other febrile illnesses like scarlet fever or Stevens Johnson syndrome.
• The study emphasizes considering KD in febrile illnesses persisting for over 5-7 days.

Main Results:

• Coronary artery abnormalities (CAA) are the most significant complication, leading to substantial morbidity and mortality.
• Prompt treatment with intravenous immunoglobulin (IVIG) significantly reduces the incidence of CAA.
• Delayed diagnosis contributes to underdiagnosis, particularly in developing countries.

Conclusions:

• Early diagnosis and prompt treatment of Kawasaki disease are critical to prevent severe cardiac complications.
• Pediatricians must maintain a high index of suspicion for KD in febrile children.
• Increased awareness and timely intervention with IVIG are essential for managing KD effectively.