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[Clinical study of idiopathic dilated cardiomyopathy complicated by left ventricular aneurysm]

Shu-dong Xia1, Bi-feng Wu, Jian-mei Jin

  • 1Department of Cardiology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China.

Zhonghua Xin Xue Guan Bing Za Zhi
|October 2, 2009
PubMed

Insights

Left ventricular aneurysm (LVA) is rare in idiopathic dilated cardiomyopathy (IDCM). Patients with LVA show worse heart function and more arrhythmias compared to those without.

Area of Science:

  • Cardiology
  • Cardiovascular Research
  • Heart Failure Research

Context:

  • Idiopathic dilated cardiomyopathy (IDCM) is a significant cause of heart failure.
  • Left ventricular aneurysm (LVA) formation is a potential complication, though its incidence and impact in IDCM are not well-defined.

Purpose:

  • To investigate the hemodynamic and electrophysiological effects of LVA in patients with IDCM.
  • To compare patients with IDCM and LVA (I + L) against those with IDCM but without LVA (I - L).

Summary:

  • A retrospective review of 998 IDCM patients identified 6 (0.60%) with LVA.
  • The LVA group exhibited higher LV peak-systolic pressure, larger LV end-diastolic volume, and a trend towards lower LV ejection fraction.
  • Ventricular arrhythmias were more frequent in IDCM patients with LVA.

Impact:

  • LVA is a rare but significant finding in IDCM.
  • LVA is associated with adverse hemodynamic profiles, impaired systolic function, and increased arrhythmia burden.
  • These findings highlight the importance of monitoring for LVA in IDCM patients.
Abstract

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