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Dor procedure for left ventricular diverticulum with mitral regurgitation in an infant

Ko Yoshizumi1, Kozo Ishino, Masaaki Kawada

  • 1Department of Cardiovascular Surgery, Okayama University Graduate School of Medicine and Dentistry, Okayama, Japan.

The Annals of Thoracic Surgery
|June 25, 2005
PubMed

Insights

Congenital left ventricular diverticulum with mitral regurgitation is rare. The Dor procedure successfully repaired the mitral valve in an infant by excluding the diverticulum without restricting the left ventricle.

Area of Science:

  • Cardiology
  • Pediatric Surgery
  • Congenital Heart Disease

Background:

  • Congenital left ventricular diverticulum (CLVD) is a rare cardiac malformation.
  • It can be associated with mitral regurgitation (MR), posing significant clinical challenges.

Observation:

  • A 5-month-old female infant presented with CLVD and significant MR.
  • The infant underwent surgical intervention to address this complex condition.

Findings:

  • The surgical team employed an endoventricular circular patch (Dor procedure) to exclude the large diverticulum.
  • This technique successfully preserved the left ventricular cavity volume and improved papillary muscle orientation.

Implications:

  • The Dor procedure facilitated successful mitral valve repair in this infant.
  • This approach offers a viable strategy for managing CLVD with MR, avoiding left ventricular restriction.

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