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Published on: November 23, 2011

Coenzyme Q10 improves diastolic function in children with idiopathic dilated cardiomyopathy

Armen Kocharian1, Reza Shabanian, Mohammad Rafiei-Khorgami

  • 1Department of Pediatric Cardiology, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.

Cardiology in the Young
|August 26, 2009
PubMed

Insights

Coenzyme Q10 supplementation improved cardiac function in children with idiopathic dilated cardiomyopathy. This intervention significantly enhanced diastolic function and reduced cardiac failure scores compared to placebo.

Area of Science:

  • Cardiology
  • Pediatric Cardiology
  • Pharmacology

Background:

  • Idiopathic dilated cardiomyopathy (IDCM) is a significant cause of heart failure in children.
  • Conventional therapy for pediatric IDCM has limitations, necessitating exploration of adjunctive treatments.
  • Coenzyme Q10 (CoQ10) is an essential component of the electron transport chain and plays a vital role in cellular energy production, particularly in the myocardium.

Purpose of the Study:

  • To evaluate the efficacy of coenzyme Q10 supplementation as an adjunct to conventional therapy in children diagnosed with idiopathic dilated cardiomyopathy.
  • To assess the impact of coenzyme Q10 on echocardiographic parameters of systolic and diastolic cardiac function.
  • To determine changes in the functional class of pediatric cardiac failure patients.

Main Methods:

  • A prospective, randomized, double-blinded, placebo-controlled trial was conducted.
  • 38 pediatric patients (<18 years) with IDCM were randomized to receive either coenzyme Q10 (n=17) or placebo (n=21).
  • Echocardiographic assessments and New York Heart Association (NYHA) functional class evaluations were performed at baseline and after 6 months of treatment.

Main Results:

  • Coenzyme Q10 supplementation led to significant improvements in diastolic function grading compared to placebo (p=0.011).
  • Patients receiving coenzyme Q10 demonstrated a significantly lower mean cardiac failure index score than the placebo group (p=0.024).
  • Improvements in diastolic function were observed in 10 patients treated with coenzyme Q10.

Conclusions:

  • Coenzyme Q10 supplementation is beneficial in managing cardiac failure associated with idiopathic dilated cardiomyopathy in children.
  • CoQ10 effectively improves diastolic cardiac function, a key determinant of clinical outcomes in heart failure.
  • Coenzyme Q10 represents a promising adjunctive therapy for pediatric patients with IDCM.

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