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Coronary artery fistula associated with Kawasaki disease

Chi-Di Liang1, Ho-Chang Kuo, Kuender D Yang

  • 1Department of Pediatrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Kaohsiung, Taiwan. cdliang@adm.cgmh.org.tw

American Heart Journal
|March 3, 2009
PubMed

Insights

Kawasaki disease (KD) patients with coronary artery fistulas (CAF) are often younger and have coronary artery lesions (CAL). Most KD patients with CAF show good outcomes, with some fistulas closing spontaneously.

Area of Science:

  • Cardiology
  • Pediatrics
  • Immunology

Background:

  • Kawasaki disease (KD) is a critical pediatric illness.
  • Coronary artery fistulas (CAF) are a potential complication of KD.
  • Understanding CAF in KD is vital for patient management.

Purpose of the Study:

  • To determine the incidence of CAF in pediatric KD patients.
  • To identify risk factors associated with CAF development in KD.
  • To evaluate the clinical impact and outcomes of CAF in KD.

Main Methods:

  • A cohort of 325 pediatric KD patients receiving intravenous immunoglobulin were analyzed.
  • Patients were categorized into groups with (Group 1) and without (Group 2) CAF.
  • Group 1 was further divided based on the presence or absence of coronary artery lesions (CAL).

Main Results:

  • The overall incidence of CAF in KD was 5.3%.
  • Younger age, presence of CAL, elevated white blood cell counts, and high platelet counts were significantly associated with CAF.
  • Spontaneous CAF closure occurred in 41% of patients over a mean follow-up of 45 months.

Conclusions:

  • Younger age, CAL, and specific laboratory markers predict higher CAF rates in KD.
  • While approximately 5% of KD patients develop CAF, the majority experience favorable clinical outcomes.
  • CAF in KD patients without CAL demonstrated a more benign course and higher spontaneous closure rates.
Abstract

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