Method and apparatus for initiating and delivering cardiac protection pacing
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-008/14
A61N-001/36
출원번호
US-0019888
(2011-02-02)
등록번호
US-8396552
(2013-03-12)
발명자
/ 주소
Baynham, Tamara Colette
Spinelli, Julio C.
Prinzen, Frits W.
Cornelussen, Richard N.
Vanagt, Ward Y. R.
출원인 / 주소
Cardiac Pacemakers, Inc.
대리인 / 주소
Schwegman Lundberg & Woessner, P.A.
인용정보
피인용 횟수 :
2인용 특허 :
67
초록▼
A pacing system delivers cardiac protection pacing to protect the heart from injuries associated with ischemic events. The pacing system detects an ischemic event and, in response, initiates one or more cardiac protection pacing sequences each including alternative pacing and non-pacing periods. In
A pacing system delivers cardiac protection pacing to protect the heart from injuries associated with ischemic events. The pacing system detects an ischemic event and, in response, initiates one or more cardiac protection pacing sequences each including alternative pacing and non-pacing periods. In one embodiment, the pacing system initiates a cardiac protection pacing sequence in response to the detection of the onset of an ischemic event, such that a pacing concurrent conditioning therapy is applied during the detected ischemic event.
대표청구항▼
1. A method for delivering pacing pulses, the method comprising: sensing one or more signals indicative of an ischemic event;detecting an onset of the ischemic event from the one or more signals;starting an ischemia time interval when the onset of the ischemic event is detected;initiating one or mor
1. A method for delivering pacing pulses, the method comprising: sensing one or more signals indicative of an ischemic event;detecting an onset of the ischemic event from the one or more signals;starting an ischemia time interval when the onset of the ischemic event is detected;initiating one or more cardiac protection pacing sequences in response to the detection of the onset of the ischemic event, the one or more cardiac protection pacing sequences each including alternating pacing and non-pacing periods, the pacing periods each having a pacing duration during which a plurality of pacing pulses is delivered, the non-pacing periods each having a non-pacing duration during which no pacing pulse is delivered; anddelivering the plurality of pacing pulses during each of the pacing periods,wherein the one or more cardiac protection pacing sequences include at least one concurrent conditioning sequence, and initiating the one or more cardiac protection pacing sequences includes initiating the at least one concurrent conditioning pacing sequence when the ischemia time interval expires. 2. The method of claim 1, further comprising switching a pacing mode from a chronic pacing mode to a temporary pacing mode when one of the one or more cardiac protection pacing sequence is initiated and switching the pacing mode from the temporary pacing mode to the chronic pacing mode when the one of the one or more cardiac protection pacing sequence is completed, the temporary pacing mode substantially different from the chronic pacing mode. 3. The method of claim 1, further comprising programming the ischemia time interval to a time interval between approximately 15 minutes and 6 hours. 4. The method of claim 1, further comprising: detecting an arrhythmia; andsuspending the one or more cardiac protection pacing sequences when the arrhythmia is detected. 5. The method of claim 1, comprising delivering the plurality of pacing pulses from an implantable medical device. 6. The method of claim 5, comprising detecting the onset of the ischemic event using the implantable medical device. 7. The method of claim 6, further comprising: producing an ischemia alert signal using the implantable medical device in response to the detection of the onset of the ischemic event; andtransmitting the ischemia alert signal to an external system communicatively coupled to the implantable medical device. 8. The method of claim 7, further comprising: receiving one or more commands from a user using the external system; andinitiating the one or more cardiac protection pacing sequences in response to the one or more commands. 9. The method of claim 1, comprising timing the pacing duration in a range of approximately 5 seconds to 10 minutes and the non-pacing duration in a range of approximately 5 seconds to 10 minutes for the at least one concurrent conditioning sequence. 10. A method for delivering pacing pulses, the method comprising: sensing one or more signals indicative of an ischemic event;detecting an onset of the ischemic event from the one or more signals;initiating one or more cardiac protection pacing sequences including at least one concurrent conditioning sequence in response to the detection of the onset of the ischemic event, the one or more cardiac protection pacing sequences each including alternating pacing and non-pacing periods, the pacing periods each having a pacing duration during which a plurality of pacing pulses is delivered, the non-pacing periods each having a non-pacing duration during which no pacing pulse is delivered; anddelivering the plurality of pacing pulses during each of the pacing periods,wherein initiating the one or more cardiac protection pacing sequences includes initiating the at least one concurrent conditioning sequence when a concurrent conditioning command is received. 11. A method for delivering pacing pulses, the method comprising: sensing one or more signals indicative of an ischemic event;detecting an onset of the ischemic event from the one or more signals;initiating one or more cardiac protection pacing sequences including at least one concurrent conditioning sequence and a plurality of prophylactic preconditioning sequences in response to the detection of the onset of the ischemic event, the one or more cardiac protection pacing sequences each including alternating pacing and non-pacing periods, the pacing periods each having a pacing duration during which a plurality of pacing pulses is delivered, the non-pacing periods each having a non-pacing duration during which no pacing pulse is delivered; anddelivering the plurality of pacing pulses during each of the pacing periods,wherein initiating the one or more cardiac protection pacing sequences comprises:initiating the at least one concurrent conditioning sequence; andinitiating the prophylactic preconditioning sequences after the concurrent conditioning sequence is completed. 12. The method of claim 11, wherein initiating the prophylactic preconditioning sequences comprises initiating the prophylactic preconditioning pacing sequences on a periodic basis. 13. The method of claim 12, comprising initiating the prophylactic preconditioning pacing sequences on the periodic basis using a predetermined period in a range of approximately 24 hours to 72 hours. 14. The method of claim 11, wherein initiating the prophylactic preconditioning sequences comprises initiating the prophylactic preconditioning pacing sequences in response to one or more preconditioning commands. 15. The method of claim 11, comprising timing the pacing duration in a range of approximately 1 minute to 30 minutes and the non-pacing duration in a range of approximately 1 minute to 30 minutes for each prophylactic preconditioning sequence of the plurality of prophylactic preconditioning sequences. 16. A method for delivering pacing pulses, the method comprising: sensing one or more signals indicative of an ischemic event;detecting an onset of the ischemic event from the one or more signals;initiating one or more cardiac protection pacing sequences in response to the detection of the onset of the ischemic event, the one or more cardiac protection pacing sequences each including alternating pacing and non-pacing periods, the pacing periods each having a pacing duration during which a plurality of pacing pulses is delivered, the non-pacing periods each having a non-pacing duration during which no pacing pulse is delivered;switching a pacing mode from a chronic pacing mode to a temporary pacing mode when one of the one or more cardiac protection pacing sequence is initiated, the temporary pacing mode substantially different from the chronic pacing mode, the chronic pacing mode including a pacing mode used in a bradycardia pacing therapy, a cardiac resynchronization therapy, or a remodeling control therapy;delivering the plurality of pacing pulses during each of the pacing periods; andswitching the pacing mode from the temporary pacing mode to the chronic pacing mode when the one of the one or more cardiac protection pacing sequence is completed. 17. The method of claim 16, wherein the one or more cardiac protection pacing sequences comprises at least one concurrent conditioning sequence, and further comprising initiating the at least one concurrent conditioning pacing sequence when an ischemia time interval expires. 18. The method of claim 17, further comprising starting the ischemia time interval when the onset of the ischemic event is detected. 19. The method of claim 16, wherein the chronic pacing mode comprises the pacing mode used in the bradycardia pacing therapy. 20. The method of claim 16, wherein the chronic pacing mode comprises the pacing mode used in the cardiac resynchronization therapy. 21. The method of claim 16, wherein the chronic pacing mode comprises the pacing mode used in the remodeling control therapy.
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