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Echocardiographic assessment of left and right ventricular diastolic functions in children with dilated

F Alehan1, S Ozkutlu, D Alehan

  • 1Department of Pediatrics, Hacettepe University, Faculty of Medicine, Ankara.

The Turkish Journal of Pediatrics
|October 9, 1998
PubMed

Insights

Pediatric dilated cardiomyopathy impairs diastolic function in both the left and right ventricles. Echocardiography revealed abnormal relaxation patterns and reduced filling velocities in affected children compared to controls.

Area of Science:

  • Cardiology
  • Pediatric Cardiology
  • Echocardiography

Background:

  • Dilated cardiomyopathy (DCM) is a serious condition affecting heart muscle.
  • Diastolic dysfunction, impacting the heart's relaxation and filling, is a key concern in pediatric DCM.

Purpose of the Study:

  • To evaluate left and right ventricular diastolic functions in children with DCM.
  • To compare diastolic function parameters between children with DCM and healthy controls.

Main Methods:

  • Pulsed Doppler echocardiography was used to assess diastolic function.
  • 16 children with DCM and 20 healthy children were included in the study.

Main Results:

  • Children with DCM showed impaired left ventricular diastolic function, including abnormal relaxation, lower peak early filling velocities, and prolonged isovolumic relaxation time.
  • Right ventricular diastolic filling was also impaired in the DCM group, with decreased peak early filling velocities and increased isovolumic relaxation time.
  • Significant differences (p < 0.05) were observed for multiple diastolic parameters between the DCM and control groups.

Conclusions:

  • Diastolic dysfunction is prevalent in both left and right ventricles of children with dilated cardiomyopathy.
  • Routine assessment for biventricular diastolic abnormalities is recommended in pediatric DCM patients.

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