Prognostic Value of Echocardiography for Left Ventricular Dysfunction After Aneurysmal Subarachnoid Hemorrhage: A
Wonhee Kim1, Kyu-Sun Choi2, Taeho Lim3
1Department of Emergency Medicine, College of Medicine, Hallym University, Seoul, Republic of Korea.
Insights
Left ventricular dysfunction, including regional wall motion abnormalities and neurogenic cardiomyopathy, after subarachnoid hemorrhage (SAH) predicts higher in-hospital mortality. Echocardiography can identify these risks.
Area of Science:
- Cardiology
- Neurology
- Critical Care Medicine
Background:
- Cardiac dysfunction is a known complication of aneurysmal subarachnoid hemorrhage (SAH).
- Left ventricular dysfunction can significantly impact patient outcomes following SAH.
- Accurate prognostic markers are crucial for managing SAH patients.
Purpose of the Study:
- To quantitatively assess the prognostic value of left ventricular dysfunction.
- To evaluate the association between echocardiographic findings and functional outcomes/mortality in aneurysmal SAH.
- To determine if specific echocardiographic markers predict in-hospital mortality.
Main Methods:
- A systematic literature search was conducted on MEDLINE and EMBASE.
- Fourteen observational studies involving 2234 patients with aneurysmal SAH were included.
- Meta-analysis was used to evaluate echocardiographic left ventricular dysfunction markers.
Main Results:
- Regional wall motion abnormalities (RWMA) and neurogenic cardiomyopathy (NCM) were significantly associated with increased in-hospital mortality (OR 2.37 and 2.82, respectively).
- Decreased ejection fraction did not show a significant association with in-hospital mortality (OR 1.76).
- Heterogeneity for decreased ejection fraction and NCM was reduced when analyzing studies with echocardiograms within 72 hours.
Conclusions:
- Echocardiographic identification of RWMA and NCM provides valuable prognostic information for in-hospital mortality in SAH patients.
- These findings highlight the importance of echocardiography in risk stratification after aneurysmal SAH.
- Further research may refine the role of specific echocardiographic parameters in SAH management.
Objective:
Cardiac dysfunction may worsen outcomes after aneurysmal subarachnoid hemorrhage (SAH). This study quantitatively assessed the prognostic value of left ventricular dysfunction with respect to functional outcomes and mortality in patients with aneurysmal SAH.
Methods:
We searched MEDLINE and EMBASE databases to retrieve relevant studies evaluating echocardiographic left ventricular dysfunction following aneurysmal SAH. Fourteen relevant observational studies evaluating 2234 patients were finally included in this study.
Results:
Echocardiographic regional wall motion abnormalities (RWMA) and neurogenic cardiomyopathy (NCM) of the left ventricle occurring after SAH were significantly related to an increase of in-hospital mortality (in 8 studies for RWMA, odds ratio [OR] 2.37; 95% confidence interval [CI] 1.74-3.25 and in 5 studies for NCM, OR 2.82; 95% CI 1.2-6.6). Decreased ejection fraction on echocardiography was not associated with the increase of in-hospital mortality (in 4 studies, OR 1.76; 95% CI 0.86-3.61). The heterogeneities of decreased ejection fraction and NCM were significantly resolved by analyzing only the studies based on echocardiogram measurements obtained within 72 hours after admission.
Conclusions:
The present meta-analysis suggests that the identification of echocardiographic left ventricular dysfunction identified by RWMA and NCM after SAH could provide better prognostic information for in-hospital mortality.
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