Circ Cardiovasc Imaging

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Presentation transcript:

Circ Cardiovasc Imaging Synergistic Utility of Brain Natriuretic Peptide and Left Ventricular Global Longitudinal Strain in Asymptomatic Patients With Significant Primary Mitral Regurgitation and Preserved Systolic Function Undergoing Mitral Valve SurgeryCLINICAL PERSPECTIVE by Alaa Alashi, Amgad Mentias, Krishna Patel, A. Marc Gillinov, Joseph F. Sabik, Zoran B. Popović, Tomislav Mihaljevic, Rakesh M. Suri, L. Leonardo Rodriguez, Lars G. Svensson, Brian P. Griffin, and Milind Y. Desai Circ Cardiovasc Imaging Volume 9(7):e004451 June 24, 2016 Copyright © American Heart Association, Inc. All rights reserved.

An illustrative example of left ventricular global longitudinal strain assessment in 4-chamber view, obtained from a patient in the study sample. An illustrative example of left ventricular global longitudinal strain assessment in 4-chamber view, obtained from a patient in the study sample. Global strain values represent an average of values obtained from various left ventricular segments. Alaa Alashi et al. Circ Cardiovasc Imaging. 2016;9:e004451 Copyright © American Heart Association, Inc. All rights reserved.

Prognostic utility of incrementally adding log-transformed brain natriuretic peptide (lnBNP) and left ventricular global longitudinal strain (LV-GLS) to a clinical model (Society of Thoracic Surgeons score [STS] and right ventricular systolic pressure [RVSP]). Prognostic utility of incrementally adding log-transformed brain natriuretic peptide (lnBNP) and left ventricular global longitudinal strain (LV-GLS) to a clinical model (Society of Thoracic Surgeons score [STS] and right ventricular systolic pressure [RVSP]). Alaa Alashi et al. Circ Cardiovasc Imaging. 2016;9:e004451 Copyright © American Heart Association, Inc. All rights reserved.

Incremental reclassification of longer-term mortality risk in the study sample, based on various models. Incremental reclassification of longer-term mortality risk in the study sample, based on various models. Incremental comparison of log-transformed brain natriuretic peptide (lnBNP), followed by left ventricular global longitudinal strain (LV-GLS) to the clinical model is shown on the left side of the figure, whereas comparison of LV-GLS, followed by lnBNP is shown on the right side of the figure. CI indicates confidence interval; IDI, integrated discrimination index; RVSP, right systolic ventricular pressure; and STS, Society of Thoracic Surgeons. Alaa Alashi et al. Circ Cardiovasc Imaging. 2016;9:e004451 Copyright © American Heart Association, Inc. All rights reserved.

Kaplan–Meier survival curves for the study sample (A) separated based on log-transformed brain natriuretic peptide (lnBNP) higher or lower than median and (B) left ventricular global longitudinal strain (LV-GLS) better or worse than median. Kaplan–Meier survival curves for the study sample (A) separated based on log-transformed brain natriuretic peptide (lnBNP) higher or lower than median and (B) left ventricular global longitudinal strain (LV-GLS) better or worse than median. For LV-GLS, the higher the absolute value, the better it is. In contrast, for log BNP, the lower the value, the better it is. Alaa Alashi et al. Circ Cardiovasc Imaging. 2016;9:e004451 Copyright © American Heart Association, Inc. All rights reserved.

Kaplan–Meier survival curves for the study sample, separated into 4 subgroups created based on left ventricular global longitudinal strain (LV-GLS; median: −20.7%) and log-transformed brain natriuretic peptide (lnBNP; median: 4.04) better or worse than median. Kaplan–Meier survival curves for the study sample, separated into 4 subgroups created based on left ventricular global longitudinal strain (LV-GLS; median: −20.7%) and log-transformed brain natriuretic peptide (lnBNP; median: 4.04) better or worse than median. For LV-GLS, the higher the absolute value, the better it is. In contrast, for lnBNP, the lower the value, the better it is. Alaa Alashi et al. Circ Cardiovasc Imaging. 2016;9:e004451 Copyright © American Heart Association, Inc. All rights reserved.