â– LECTURE OVERVIEW: Kawasaki Disease is an acute, self-limiting medium-vessel necrotizing vasculitis that primarily affects infants and toddlers.
â– SPECIFIC TOXIC CHANNELS:
1. Endothelial Inflammation: Characterized by segment-like inflammation of muscular medium arteries, particularly coronary arteries.
2. Clinical Diagnoses: Requires high fever lasting over 5 days, plus at least 4 of 5 CRASH symptoms:
- C - Conjunctivitis (bilateral, non-purulent, sparing the limbus).
- R - Rash (polymorphous, erythematous).
- A - Adenopathy (cervical, unilateral, node >1.5 cm).
- S - Strawberry tongue (erythematous, with cracked red lips).
- H - Hand/foot swelling initially, with desquamation of skin under nails in recovery.
â– SURGICAL LANDMARKS & ANATOMICAL BOUNDARIES:
Intraoperative access requires meticulous dissection along defined tissue planes. Avoid excessive traction near neurovascular bundles and look for key bony landmarks or fascial reflections to secure margins.
â– COMPENSATORY HORMONAL & VASCULAR FEEDBACK:
Acute systemic shifts trigger immediate neural and hormonal reflexes to preserve blood flow to vital organs like the brain and kidneys.
[HY-BOARD-1393]
🌟 Dynamic Clinical Key:
Carries a high risk of developing coronary artery aneurysms in up to 25% of untreated cases. Crucially, Kawasaki disease is the only clinical condition where Aspirin (which is otherwise contraindicated in children due to Reye's syndrome) is administered, alongside intravenous immunoglobulin (IVIG). Never divide or ligate any vessel before clearly isolating and confirming its origin and termination. Carefully evaluate the underlying cause of high blood pressure before aggressively suppressing compensatory vasoconstriction.