Cardiac stimulation apparatus and method for the control of hypertension
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United States of America Patent
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Dec 27, 2011
Grant Date -
Jan 15, 2009
app pub date -
Jun 10, 2008
filing date -
Feb 12, 2004
priority date (Note) -
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Abstract
A method that electrically stimulates a heart muscle to alter the ejection profile of the heart, to control the mechanical function of the heart and reduce the observed blood pressure of the patient. The therapy may be invoked by an implantable blood pressure sensor associated with a pacemaker like device. In some cases, where a measured pretreatment blood pressure exceeds a treatment threshold, a patient's heart may be stimulated with an electrical stimulus timed relative to the patient's cardiac ejection cycle. This is done to cause dyssynchrony between at least two cardiac chambers, which alters the patient's cardiac ejection profile from a pretreatment cardiac ejection profile. This has the effect of reducing the patient's blood pressure from the measured pretreatment blood pressure.
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