APPARATUS AND METHOD FOR COMBINED CARDIAC FUNCTION MANAGEMENT AND RENAL THERAPIES
First Claim
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1. An apparatus, comprising:
- an ambulatory cardiac function management device comprising;
a data input configured to receive information about or from an external renal monitoring or therapy device;
a control circuit, comprising first and second operating modes, the first operating mode controlling operation of the implantable cardiac function management device in the absence of triggering information about or from the renal monitoring or therapy device, and the second operating mode controlling operation of the implantable cardiac function management device in response to receiving triggering information about or from the renal monitoring or therapy device; and
wherein the second operating mode includes an exit condition, returning control of operation of the implantable cardiac function management device to the first operating mode, when a vulnerable period, including a time period corresponding to an increased risk of tachyarrhythmia or intradialytic hypotension, has elapsed.
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Abstract
A system can coordinate operation of a cardiac function management (CFM) device and a renal device, such as during a vulnerable period in which a patient has an increased risk of tachyarrhythmia.
43 Citations
20 Claims
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1. An apparatus, comprising:
an ambulatory cardiac function management device comprising; a data input configured to receive information about or from an external renal monitoring or therapy device; a control circuit, comprising first and second operating modes, the first operating mode controlling operation of the implantable cardiac function management device in the absence of triggering information about or from the renal monitoring or therapy device, and the second operating mode controlling operation of the implantable cardiac function management device in response to receiving triggering information about or from the renal monitoring or therapy device; and wherein the second operating mode includes an exit condition, returning control of operation of the implantable cardiac function management device to the first operating mode, when a vulnerable period, including a time period corresponding to an increased risk of tachyarrhythmia or intradialytic hypotension, has elapsed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus, comprising:
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a renal monitoring or therapy device comprising; a tachyarrhythmia vulnerability detection circuit, configured to monitor a patient physiological or device operational renal parameter that varies during or in response to renal therapy, and to determine whether the renal parameter indicates a vulnerable period corresponding to an increased risk of a present or future tachyarrhythmia episode; and a communication circuit, configured to communicate directly or indirectly to an ambulatory cardiac function management device to provide a tachyarrhythmia vulnerability mode trigger configured to alter operation of the cardiac function management device in response to the trigger. - View Dependent Claims (10, 11, 12, 13, 14)
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15. An apparatus, comprising:
an implantable cardiac function management device comprising; a tachyarrhythmia detection or prediction circuit, configured to detect the presence of an existing or a predicted future tachyarrhythmia episode; and a communication circuit, configured to communicate directly or indirectly to an external renal monitoring or therapy device triggering information that is configured to alter operation of the renal monitoring or therapy in response to the triggering information. - View Dependent Claims (16, 17)
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18. A method comprising:
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detecting a tachyarrhythmia vulnerable period using at least one of an ambulatory cardiac function management device or an renal therapy device; and in response to the detecting, communicating triggering information to the other of the cardiac function management device or the renal therapy device to trigger such other of the cardiac function management device or the renal therapy device to switch from a first operating mode to a second operating mode, wherein the second operating mode is configured for use during the tachyarrhythmia vulnerable period. - View Dependent Claims (19, 20)
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Specification