Implantable systems and methods for use therewith for monitoring and modifying arterial blood pressure without requiring an intravascular pressure transducer
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United States of America Patent
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Jul 2, 2013
Grant Date -
Aug 23, 2012
app pub date -
Feb 23, 2011
filing date -
Feb 23, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Embodiments of the present invention are directed to implantable systems, and methods for use therewith, that monitor and modify a patient's arterial blood pressure without requiring an intravascular pressure transducer. In accordance with an embodiment, for each of a plurality of periods of time, there is a determination one or more metrics indicative of pulse arrival time (PAT), each of which are indicative of how long it takes for the left ventricle to generate a pressure pulsation that travels from the patient's aorta to a location remote from the patient's aorta. Based on the one or more metrics indicative of PAT, the patient's arterial blood pressure is estimated. Changes in the arterial blood pressure are monitored over time. Additionally, the patient's arterial blood pressure can be modified by initiating and/or adjusting pacing and/or other therapy based on the estimates of the patient's arterial blood pressure and/or monitored changes therein.
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