A case of infective endocarditis in an 8-year-old boy 3 months after transcatheter atrial septal defect closure using

Yuka Toyoshima1, Toshikatsu Tanaka1, Hironori Matsuhisa2

  • 1Department of Cardiology, Kobe Children's Hospital, Kobe, Japan.

Cardiology in the Young
|November 11, 2022
PubMed

Insights

Infective endocarditis is a rare complication after transcatheter closure of atrial septal defects. Insufficient device endothelialization may increase the risk of infection, as seen in a pediatric case report.

Area of Science:

  • Cardiology
  • Pediatric Cardiology
  • Infectious Diseases

Background:

  • Atrial septal defect (ASD) closure is commonly performed using transcatheter devices.
  • Infective endocarditis (IE) is a serious but rare complication following device implantation.
  • The Figulla Flex II occluder is one type of device used for transcatheter ASD closure.

Purpose of the Study:

  • To report a case of infective endocarditis in a child following transcatheter atrial septal defect closure.
  • To investigate the potential role of device endothelialization in the development of infective endocarditis.

Main Methods:

  • Case report of an 8-year-old boy.
  • Transcatheter closure of an atrial septal defect using a Figulla Flex II occluder.
  • Transesophageal echocardiography to visualize device and vegetation.
  • Surgical removal of the device and closure of the ASD.

Main Results:

  • Infective endocarditis occurred 3 months after device implantation.
  • Transesophageal echocardiography revealed vegetation on the left atrial side of the device.
  • The device showed inadequate endothelialization on the left atrial side compared to the right.

Conclusions:

  • Insufficient endothelialization of the transcatheter occluder may be a risk factor for infective endocarditis.
  • Early recognition and management are crucial for patients developing IE post-device closure.
  • Further research into device material and endothelialization is warranted to prevent IE.

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