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Coenzyme Q10 improves diastolic function in children with idiopathic dilated cardiomyopathy

Published online by Cambridge University Press:  25 August 2009

Armen Kocharian
Affiliation:
Department of Pediatric Cardiology, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran
Reza Shabanian
Affiliation:
Department of Pediatric Cardiology, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran
Mohammad Rafiei-Khorgami
Affiliation:
Department of Pediatric Cardiology, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran
Abdolrazagh Kiani
Affiliation:
Department of Pediatric Cardiology, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran
Giv Heidari-Bateni*
Affiliation:
Department of Pediatric Cardiology, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran
*
Correspondence to: Giv Heidari-Bateni, MD/MPH, General Practitioner, Children’s Medical Center, 62 Gharib Street, 14194, Tehran, Iran. Tel: +98 2166507851; Fax: +98 21 66930024; E-mail: givhb@yahoo.com

Abstract

We aimed to determine the effect of supplementation with coenzyme Q10 on conventional therapy of children with cardiac failure due to idiopathic dilated cardiomyopathy. In a prospective, randomized, double-blinded, placebo-controlled trial, we randomized 38 patients younger than 18 years with idiopathic dilated cardiomyopathy to receive either coenzyme Q10, chosen for 17 patients, or placebo, administered in the remaining 21. Echocardiographic systolic and diastolic function parameters were determined for every patient at baseline, and after 6 months of supplementation. The index score for cardiac failure in children as established in New York was used for assessing the functional class of the patients. After 6 months supplementation, 10 patients randomized to receive coenzyme Q10 showed improvements in the grading of diastolic function, this being significantly more than that achieved by those randomized to the placebo group (p value = 0.011). The mean score for the index of cardiac failure index for those receiving coenzyme Q10 was also lower than the control group (p value = 0.024).

Our results, therefore, indicate that administration of coenzyme Q10 is useful in ameliorating cardiac failure in patients with idiopathic dilated cardiomyopathy through its significant effect on improving diastolic function.

Type
Original Article
Copyright
Copyright © Cambridge University Press 2009

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