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Method and apparatus for evaluating and optimizing ventricular synchronization

  • US 20040172077A1
  • Filed: 02/28/2003
  • Published: 09/02/2004
  • Est. Priority Date: 02/28/2003
  • Status: Active Grant
First Claim
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1. A closed loop method of improving cardiac resynchronization therapy based upon detected physiologic characteristics of a heart, comprising:

  • measuring a pressure development characteristic of a first ventricle and a second ventricle and based on individual measurements of pressure development for said first ventricle and for said second ventricle during at least one cardiac cycle;

    determining whether the first ventricle or the second ventricle relatively leads pressure development and proceeding to the next step if the determination is affirmative or halting the method if the determination is negative; and

    adjusting a timing parameter of a first pacing electrode in electrical communication with the first ventricle relative to a second pacing electrode in electrical communication with the second ventricle so that pressure development in the first ventricle and the second ventricle occurs substantially at the same time.

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