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Non-compacted cardiomyopathy: clinical-echocardiographic study

Nilda Espinola-Zavaleta1, M Elena Soto, Luis Muñóz Castellanos

  • 1Echocardiography in Outpatient Clinic, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano No. 1, Colonia Sección XVI Tlalpan, 14080 México, D.F., Mexico. niesza2001@hotmail.com

Cardiovascular Ultrasound
|September 28, 2006
PubMed

Insights

Ventricular noncompaction, a congenital heart condition, often presents in isolation and is diagnosed via echocardiography. A ratio of noncompacted to compacted myocardium over 3 indicates a poor prognosis.

Area of Science:

  • Cardiology
  • Medical Diagnostics
  • Congenital Heart Disease

Background:

  • Ventricular noncompaction is a rare congenital cardiomyopathy.
  • It can occur as an isolated finding or be associated with other cardiac anomalies.
  • Clinical presentation varies, necessitating reliable diagnostic tools.

Purpose of the Study:

  • To elucidate the clinical and echocardiographic features of ventricular noncompaction in adult patients.
  • To identify prognostic indicators associated with this condition.

Main Methods:

  • A cohort of 53 adult patients with ventricular noncompaction was studied.
  • Methods included clinical evaluation, electrocardiogram, Holter monitoring, and transthoracic echocardiography.

Main Results:

  • Ventricular noncompaction was isolated in 74% of cases and associated with other congenital heart disease in 26%.
  • The left ventricle was involved in 62% of patients; both ventricles in 38%.
  • A ratio of noncompacted to compacted myocardium >3 and involvement of >3 segments correlated with poorer functional class and increased ventricular arrhythmias (p < 0.003).

Conclusions:

  • Noncompaction cardiomyopathy is a congenital condition, often isolated, and can affect one or both ventricles.
  • Echocardiography is crucial for diagnosis and identifying prognostic factors.
  • A high noncompacted to compacted myocardium ratio and multi-segment involvement signal a poor prognosis.
Abstract

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