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Right coronary artery-right ventricular fistula complicated with infective endocarditis

ShaSha Duan1,2, YiLu Shi1, XiaoShan Zhang1

  • 1Department of Ultrasound, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China.

Echocardiography (Mount Kisco, N.Y.)
|February 12, 2020
PubMed

Insights

This case report details a child with a rare coronary artery fistula (CAF) to the right ventricle, complicated by infection. The fistula, initially treated surgically, spontaneously resolved a year later.

Area of Science:

  • Cardiology
  • Pediatric Cardiology
  • Congenital Heart Disease

Background:

  • Coronary artery fistula (CAF) is a rare congenital anomaly involving abnormal communication between coronary arteries and cardiac chambers or great vessels.
  • Right coronary artery (RCA) fistula to the right ventricle (RV) is an infrequent presentation of CAF.

Observation:

  • A pediatric case of RCA-RV fistula complicated by infective endocarditis is presented.
  • Diagnostic imaging included echocardiography and contrast-enhanced multidetector computed tomography (MDCT).
  • Initial management involved infection control followed by surgical intervention.

Findings:

  • A residual fistula was noted post-surgery.
  • Remarkably, the residual fistula underwent spontaneous resolution within one year.
  • The patient remains asymptomatic and in good clinical condition.

Implications:

  • This case highlights the potential for spontaneous resolution of residual coronary artery fistulas after treatment.
  • It underscores the importance of long-term monitoring in pediatric patients with complex congenital heart anomalies.
  • The findings may inform management strategies for similar rare cardiovascular conditions.

Keywords:
coronary artery fistulaechocardiographyinfective endocarditisright coronary arteryright ventricle

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