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Decongestive therapy titration for heart failure patients using implantable sensor

  • US 8,271,080 B2
  • Filed: 05/23/2007
  • Issued: 09/18/2012
  • Est. Priority Date: 05/23/2007
  • Status: Active Grant
First Claim
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1. A system for assessing decongestive therapy delivered to a heart failure patient, comprising:

  • an implantable sensor configured to sense a physiologic parameter indicative of the patient'"'"'s diuresis status responsive to delivery of a decongestive therapy; and

    a processor coupled to the implantable sensor, the processor configured to determine if the patient is being subject to over-therapeuting when a target level of patient diuresis has been achieved based on a relationship between the sensed physiologic parameter and a threshold developed for the patient, produce a first output in response to determining that the target level of patient diuresis has been achieved, and produce a second output in response to determining that the patient is being subject to over-therapeuting, wherein the second output comprises an alert indicating detection of over-diuresis of the patient, wherein the relationship is based on a rate of change of the sensed physiologic parameter relative to the threshold.

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