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- W2149684021 abstract "Background Right ventricular (RV) failure is a major cause of morbidity and mortality after left ventricular assist device (LVAD) implantation. Whether RV function deteriorates with prolonged LVAD support is unknown. Speckle-tracking echocardiography provides a sensitive, noninvasive, reproducible, and quantitative assessment of RV systolic and diastolic function. Methods Echocardiograms were retrospectively reviewed from before and after implantation of a Heartmate II LVAD. Speckle-tracking analysis was performed to measure RV longitudinal systolic strain, strain rate, and diastolic strain rate for each patient at baseline and over discrete time periods after LVAD implantation. Results Seventeen patients were included in the analysis, with an average follow-up after LVAD implantation of 234 ± 125 days. RV systolic strain improved in 15 patients, decreasing from −7.4 ± 2.3% to −9.7 ± 3.3% after LVAD (P = .026). Systolic strain rate improved in 11 patients, decreasing from −0.67 ± 0.25%/s to −0.96 ± 0.36%/s (P = .011). RV diastolic strain rate improved in 12 patients, increasing from 0.70 ± 0.33%/s to 1.02 ± 0.40%/s (P = .016). Conclusions Chronic LVAD support improves RV systolic and diastolic function in LVAD patients who did not require an RV assist device. Speckle-tracking echocardiography may offer a noninvasive technique for identifying and monitoring improvements in RV function in LVAD patients." @default.
- W2149684021 created "2016-06-24" @default.
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- W2149684021 date "2014-07-01" @default.
- W2149684021 modified "2023-09-27" @default.
- W2149684021 title "Right Ventricular Systolic and Diastolic Function as Assessed by Speckle-Tracking Echocardiography Improve With Prolonged Isolated Left Ventricular Assist Device Support" @default.
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- W2149684021 doi "https://doi.org/10.1016/j.cardfail.2014.04.017" @default.
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