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A Doxorubicin-Induced Murine Model of Dilated Cardiomyopathy In Vivo

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Dilated cardiomyopathy: etio-morphologic investigation.

Brian Chiu¹, Consolato Sergi

¹Department of Laboratory Medicine and Pathology, University of Alberta Hospital, University of Alberta, Edmonton, Alberta, Canada. brian.chiu@capitalhealth.ca

Frontiers in Bioscience (Scholar Edition)

|December 29, 2009

Summary

This summary is machine-generated.

Dilated cardiomyopathy, a common heart condition, involves heart chamber dilation and impaired pumping. This study reviewed the causes and features of explanted hearts from transplant recipients to better understand this complex disease.

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Area of Science:

Cardiovascular Science
Developmental Biology
Pathology

Background:

The heart forms early in vertebrate embryogenesis and is vital for life.
Compromised heart function leads to chamber dilation and altered circulation.
Dilated cardiomyopathy (DCM) presents variably, from asymptomatic to heart failure.

Purpose of the Study:

To review the etiologic and morphologic features of explanted adult hearts with DCM.
To analyze hearts from patients undergoing orthotopic heart transplantation.

Main Methods:

Retrospective review of 86 explanted adult hearts.
Analysis of hearts from patients diagnosed with dilated cardiomyopathy.
Study period: 1997-2008.

Main Results:

Dilated cardiomyopathy exhibits nonspecific pathologic features, complicating etiological identification.
Etiologic and morphologic characteristics were examined in explanted hearts.

Conclusions:

Understanding the etiologic and morphologic features of DCM is crucial.
Further research is needed to elucidate the diverse causes of dilated cardiomyopathy.