SYSTEMS AND METHODS FOR DELIVERING VAGAL NERVE STIMULATION
First Claim
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1. A method, comprising:
- identifying a person indicated for a therapy to treat a cardiovascular disease; and
delivering the therapy to treat the cardiovascular disease to the person, wherein delivering the therapy includes delivering a vagal stimulation therapy (VST) to a vagus nerve of the person at a therapeutically-effective intensity for the cardiovascular disease that is below an upper boundary at which upper boundary the VST would lower an intrinsic heart rate during the VST.
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Abstract
According to various method embodiments, a person is indicated for a therapy to treat a cardiovascular disease, and the therapy is delivered to the person to treat the cardiovascular disease. Delivering the therapy includes delivering a vagal stimulation therapy (VST) to a vagus nerve of the person at a therapeutically-effective intensity for the cardiovascular disease that is below an upper boundary at which upper boundary the VST would lower an intrinsic heart rate during the VST.
160 Citations
24 Claims
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1. A method, comprising:
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identifying a person indicated for a therapy to treat a cardiovascular disease; and delivering the therapy to treat the cardiovascular disease to the person, wherein delivering the therapy includes delivering a vagal stimulation therapy (VST) to a vagus nerve of the person at a therapeutically-effective intensity for the cardiovascular disease that is below an upper boundary at which upper boundary the VST would lower an intrinsic heart rate during the VST. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method for operating an implantable medical device for delivering a therapy for a cardiovascular disease, comprising:
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delivering a vagal stimulation therapy (VST) with a VST intensity that is therapeutically-effective for the cardiovascular disease; sensing heart rate both before delivery of the VST and during delivery of the VST; if the heart rate sensed during delivery of the VST is less than the heart rate sensed before delivery of the VST by at least a threshold, automatically reducing the VST intensity to a reduced VST intensity, wherein the reduced VST intensity results in a difference between the heart rate sensed during delivery of the VST and the heart rate sensed before delivery of the VST that is less than the threshold; and delivering VST with a reduced VST intensity that is therapeutically-effective for the cardiovascular disease and that does not drive a lower intrinsic heart rate. - View Dependent Claims (17, 18, 19)
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20. An implantable medical system for delivering vagal stimulation therapy (VST) using implantable electrodes to a vagus nerve of a person indicated for a treatment of a cardiovascular disease, comprising:
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a pulse generator adapted to deliver an electrical signal through the implantable electrodes to the vagus nerve to provide the VST at a programmed intensity, wherein the electrical signal has programmed parameters to provide the VST at the programmed intensity selected to provide therapeutically beneficial stimulation for the cardiovascular disease without substantially reducing an intrinsic heart rate of the patient during the VST in comparison to the intrinsic heart rate of the patient before the VST. - View Dependent Claims (21, 22, 23, 24)
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Specification