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Cardioembolic outcomes in stress-related cardiomyopathy complicated by ventricular thrombus: a systematic review of 26 clinical studies.

Abstract：

BACKGROUND:The stress-related cardiomyopathy (SRC) is a relatively novel cardiac syndrome characterized by peculiar transient left ventricular dysfunction, which accounts for approximately 1-3% of patients with symptoms that initially appear to be an acute coronary syndrome. To date, the true incidence and clinical significance of left ventricular thrombus and related embolic outcomes in these patients have not been fully established. METHODS:The present systematic review aimed to report updated case series of SRC patients with left ventricular thrombus and/or cardioembolic events complicating the course of syndrome, in an attempt to summarize their demographic and clinical characteristics. RESULTS:Overall, 33 eligible studies (44 patients) were selected through the PubMed-Medline archives (December 2002-April 2009), but only 26 (36 patients) matched our inclusion criteria. Left ventricular thrombus was detected in 32 patients (89%), whereas thromboembolic events occurred in 12 (33%). Morphological characteristics of thrombi are described through the article. Women >65 years of age presenting with deep/giant negative T-waves on admission ECG seem more likely to have thrombus-related embolic complications. CONCLUSIONS:Important findings from this updated review indicate that LVT approximately occurs in 5% of the estimated worldwide SRC population, similar to historical incidence in patients with myocardial infarction. In a third of cases (approximately 1.6% of above guesstimate) nonfatal cardioembolic outcomes (brain ischemia in 75% of cases) have been documented. It is worthy considering early anticoagulant therapy, especially in patients at a higher risk of thromboembolic disease, irrespective of the presence of LVT at admission.

journal_name

Int J Cardiol

journal_title

International journal of cardiology

authors

de Gregorio C

doi

10.1016/j.ijcard.2009.09.468

subject

Has Abstract

pub_date

2010-05-14 00:00:00

pages

11-7

issue

eissn

0167-5273

issn

1874-1754

pii

S0167-5273(09)01391-6

journal_volume

141

pub_type

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Cardioembolic outcomes in stress-related cardiomyopathy complicated by ventricular thrombus: a systematic review of 26 clinical studies.