Monitoring of chronobiological rhythms for disease and drug management using one or more implantable device
First Claim
1. A method comprising:
- sensing or receiving at an implantable device, information about at least one physiological process having a chronobiological rhythm whose presence, absence, or change is statistically associated with a disease;
comparing the chronobiological rhythm of the at least one physiological process to one or more chronobiological rhythm prediction criteria; and
at least one of predicting, detecting, or identifying an occurrence of disease using the comparison.
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Abstract
The health state of a subject is automatically evaluated or predicted using at least one implantable device. In varying examples, the health state is determined by sensing or receiving information about at least one physiological process having a circadian rhythm whose presence, absence, or baseline change is associated with impending disease, and comparing such rhythm to baseline circadian rhythm prediction criteria. Other chronobiological rhythms beside circadian may also be used. The baseline prediction criteria may be derived using one or more past physiological process observation of the subject or population of subjects in a non-disease health state. The prediction processing may be performed by the at least one implantable device or by an external device in communication with the implantable device. Systems and methods for invoking a therapy in response to the health state, such as to prevent or minimize the consequences of predicted impending heart failure, are also discussed.
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Citations
20 Claims
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1. A method comprising:
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sensing or receiving at an implantable device, information about at least one physiological process having a chronobiological rhythm whose presence, absence, or change is statistically associated with a disease; comparing the chronobiological rhythm of the at least one physiological process to one or more chronobiological rhythm prediction criteria; and at least one of predicting, detecting, or identifying an occurrence of disease using the comparison. - View Dependent Claims (2, 3, 4, 5)
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6. A method comprising:
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sensing or receiving at an implantable device, information about at least one physiological process having a chronobiological rhythm whose presence, absence, or change is statistically associated with a disease; comparing the chronobiological rhythm of the at least one physiological process to one or more chronobiological rhythm prediction criteria; and at least one of predicting, detecting, or identifying an occurrence of disease using the comparison, wherein predicting the occurrence of disease is computed using one or more stored weighting factor, each weighting factor corresponding to a chronobiological rhythm of a different one of the at least one physiological process. - View Dependent Claims (7, 8, 9, 10)
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11. A method comprising:
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sensing or receiving at an implantable device, information about at least one physiological process having a chronobiological rhythm whose presence, absence, or change is statistically associated with a disease; comparing the chronobiological rhythm of the at least one physiological process to one or more chronobiological rhythm prediction criteria; and applying a therapy. - View Dependent Claims (12, 14, 15, 16)
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13. A method comprising:
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sensing or receiving at an implantable device, information about at least one physiological process having a chronobiological rhythm whose presence, absence, or change is statistically associated with a disease; comparing the chronobiological rhythm of the at least one physiological process to one or more chronobiological rhythm prediction criteria; and applying a therapy, wherein applying the therapy includes using a subject-responsive drug delivery time derived using one or more past post-therapy chronobiological rhythm observations from a subject in a similar pre-therapy disease-state.
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17. A method comprising:
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sensing or receiving at an implantable device, information about at least one physiological process having a chronobiological rhythm whose presence, absence, or change is statistically associated with a disease; comparing the chronobiological rhythm of the at least one physiological process to one or more chronobiological rhythm prediction criteria; and applying a therapy, further comprising predicting the occurrence of the disease by computing probability using one or more stored weighting factor, each weighting factor corresponding to a chronobiological rhythm of a different one of the at least one physiological process.
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18. A method comprising:
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applying a therapy to a subject; and monitoring an efficacy of the therapy, including sensing or receiving at an implantable device a post-therapy chronobiological rhythm associated with at least one of body temperature, heart rate, heart rate variability, respiration rate, respiration rate variability, minute ventilation, tidal volume, activity, blood pressure, posture, sleep pattern, thoracic impedance, or at least one heart sound;
wherein monitoring the efficacy of the therapy includes comparing the post-therapy chronobiological rhythm to one or more chronobiological rhythm prediction criteria. - View Dependent Claims (19, 20)
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Specification