VENTRICULAR GEOMETRIC AND HEMODYNAMIC CONTROL BY HEART RATE MODULATION IN LVAD THERAPY
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United States of America Patent
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Issued Date -
Jul 29, 2021
app pub date -
Nov 19, 2020
filing date -
Jan 29, 2020
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Abstract
A method of operating an implantable blood pump and a pacing device, the method includes determining an end diastolic volume (EDV) and ejection fraction of one from the group consisting of the right ventricle and the left ventricle at a predetermined pump set speed. An average flow rate based on the predetermined pump set speed is determined. A target heart rate based at least in part on the determined EDV, ejection fraction, and average flow rate is determined. A lower rate for the pacing device is determined, the pacing device being in electrical communication with a chamber of the heart. The chamber of the heart is paced when a measured heart rate drops below the lower rate.
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