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Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation
Published on: October 20, 2016
Left Ventricular global longitudinal strain predicts heart failure readmission in acute decompensated heart failure
Simone Romano1,2, Ibrahim N Mansour1, Mayank Kansal1
1Division of Cardiology, Department of Medicine, University of Illinois at Chicago, 840 S. Wood Street, M/C 715, Chicago, IL, 60612, USA.
Insights
Left ventricular global longitudinal strain (LV GLS) is a strong predictor of heart failure readmission. Worsening LV GLS indicates a higher risk of hospital readmission, even when ejection fraction is normal.
Area of Science:
- Cardiology
- Echocardiography
- Heart Failure Research
Background:
- Acute decompensated heart failure (ADHF) frequently leads to hospital readmissions.
- Predictive markers for heart failure (HF) readmission are crucial for patient management.
Purpose of the Study:
- To evaluate if left ventricular (LV) global longitudinal strain (GLS) predicts HF readmission in ADHF patients.
Main Methods:
- Assessed LV GLS using velocity vector imaging in 204 ADHF patients.
- Followed patients for HF hospital readmissions up to 44 months.
- Analyzed LV GLS as a predictor of readmission using multivariate analysis.
Main Results:
- Worse LV GLS was significantly associated with higher HF readmission rates (log-rank p < 0.001).
- LV GLS was the strongest independent predictor of recurrent HF readmission after adjusting for clinical factors.
- Ejection fraction predicted readmission in univariate but not multivariate analysis.
Conclusions:
- LV GLS is an independent predictor of HF readmission post-ADHF.
- Progressive worsening of LV GLS signifies an increased risk of readmission.
- LV GLS provides prognostic information beyond ejection fraction in ADHF.
Background:
The goal of this study was to determine if left ventricular (LV) global longitudinal strain (GLS) predicts heart failure (HF) readmission in patients with acute decompensated heart failure.
Methods And Results:
Two hundred ninety one patients were enrolled at the time of admission for acute decompensated heart failure between January 2011 and September 2013. Left ventricle global longitudinal strain (LV GLS) by velocity vector imaging averaged from 2, 3 and 4-chamber views could be assessed in 204 out of 291 (70%) patients. Mean age was 63.8 ± 15.2 years, 42% of the patients were males and 78% were African American or Hispanic. Patients were followed until the first HF hospital readmission up to 44 months. Patients were grouped into quartiles on the basis of LV GLS. Kaplan-Meier curves showed significantly higher readmission rates in patients with worse LV GLS (log-rank p < 0.001). After adjusting for age, sex, history of ischemic heart disease, dementia, New York Heart Association class, LV ejection fraction, use of angiotensin converting enzyme inhibitors or angiotensin receptor blockers, systolic and diastolic blood pressure on admission and sodium level on admission, worse LV GLS was the strongest predictor of recurrent HF readmission (p < 0.001). The ejection fraction was predictive of readmission in univariate, but not in multivariate analysis.
Conclusion:
LV GLS is an independent predictor of HF readmission after acute decompensated heart failure with a higher risk of readmission in case of progressive worsening of LV GLS, independent of the ejection fraction.
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