Method and apparatus for optimizing cardiac...

Details Method and apparatus for optimizing cardiac... Method and apparatus for optimizing cardiac...

2005-03-22

2009-06-16

Manuel, George (Department: 3762)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

Reexamination Certificate

active

07548784

ABSTRACT:
A method and apparatus for optimizing cardiac resynchronization therapy are provided. An iterative optimization procedure is performed to test the systolic hemodynamic effects of varying A-V-V timing schemes. The hemodynamic effect is assessed based on a surrogate of stroke volume. The stroke volume surrogate is derived from a sensor signal proportional to the blood pressure in the aorta or a major artery. The A-V-V timing scheme corresponding to the highest magnitude stroke volume, as indicated by the stroke volume surrogate, is identified and automatically programmed to maintain optimal A-V-V settings acutely and chronically.

REFERENCES:
patent: 5480412 (1996-01-01), Mouchawar et al.
patent: 5626623 (1997-05-01), Kieval et al.
patent: 5978710 (1999-11-01), Prutchi et al.

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