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Mitral valve replacement in dilated cardiomyopathy: A valid option?

Mohamed Hesham Mashali1, Nashwa Badawi1, Mohammed Omar Galal1

  • 1King Faisal Specialist Hospital and RC, Jeddah, Saudi Arabia.

Journal of the Saudi Heart Association
|November 6, 2020
PubMed

Insights

Mitral valve surgery may benefit selected children with dilated cardiomyopathy (DCM) and severe mitral regurgitation. This case study shows improved clinical outcomes and growth after valve replacement in a young patient.

Area of Science:

  • Pediatric Cardiology
  • Cardiovascular Surgery
  • Medical Case Reports

Background:

  • Dilated cardiomyopathy (DCM) involves left ventricular dilation and dysfunction, often with poor prognosis when severe mitral regurgitation is present.
  • Viral myocarditis can lead to pediatric DCM, causing heart failure, pneumonia, and failure to thrive.
  • Management of pediatric DCM with severe mitral regurgitation is challenging.

Observation:

  • A 2-year-old girl with DCM and severe mitral regurgitation, a history of viral myocarditis, and recurrent hospitalizations was evaluated.
  • The patient experienced intractable heart failure, pneumonia, and failure to thrive.
  • Mitral valve replacement surgery was performed.

Findings:

  • Post-surgery follow-up over 3 years showed significant clinical improvement and weight gain.
  • Recurrent hospital admissions decreased, primarily related to anticoagulation management.
  • Surgical intervention for mitral valve replacement demonstrated positive outcomes in this pediatric DCM case.

Implications:

  • Mitral valve surgery can be a viable option for select pediatric patients with DCM and severe mitral regurgitation.
  • Early surgical intervention may improve long-term outcomes in children with DCM.
  • Further research is warranted to establish surgical guidelines for pediatric DCM with mitral regurgitation.
Abstract

Keywords:
ChildrenDilated cardiomyopathyMitral regurgitationMitral valve surgery

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