Quantitative multivariate analysis of seizures
First Claim
1. A method of assessing an effect of a therapy on a severity of a detected epileptic seizure, comprising:
- detecting and treating a plurality of seizures in a patient;
selecting by an internal controller of an implantable medical device an intensity associated with each of a first detected and treated seizure, a second detected and treated seizure, and a third detected and treated seizure;
selecting by the internal controller of the implantable medical device a duration associated with each of the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;
selecting by the internal controller of the implantable medical device an extent of spread associated with each of the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;
determining by the internal controller of the implantable medical device an index of the severity associated with each of the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure, wherein the index of severity is determined using one or more of an autonomic index, a metabolic index, a neurologic index, a tissue stress marker, a musculoskeletal index, or an endocrine index;
determining by the internal controller of the implantable medical device a severity associated with each of the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure based at least in part on the intensity associated with the corresponding detected and treated seizure, the duration associated with the corresponding detected and treated seizure, and the extent of spread associated with the corresponding detected and treated seizure, and the index of the severity associated with the corresponding detected and treated seizure;
selecting by the internal controller of the implantable medical device one or more of;
a parameter of the therapy for the plurality of detected and treated seizures, a parameter of a delivery of the therapy for the plurality of detected and treated seizures, a temporal factor for the plurality of detected and treated seizures, an environmental factor for the plurality of detected and treated seizures, or a patient factor for the plurality of detected and treated seizures;
quantifying by the internal controller of the implantable medical device at least one effect of;
the therapy parameter for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;
the therapy delivery parameter for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;
the temporal factor for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;
the environmental factor for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure; and
the patient factor for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure on at least one of;
the intensity associated with the corresponding detected and treated seizure, the duration associated with the corresponding detected and treated seizure, and the extent of spread associated with the corresponding detected and treated seizure; and
performing an action by the implantable medical device in response to the quantification of the parameter of therapy associated with the corresponding detected and treated seizure, the parameter of the delivery of the therapy associated with the corresponding detected and treated seizure, the temporal factor associated with the corresponding detected and treated seizure, the environmental factor associated with the corresponding detected and treated seizure, or the patient factor associated with the corresponding detected and treated seizure, where the action is at least one of;
reporting at least one effect of the therapy for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;
determining if the therapy effect is beneficial, neutral, or adverse the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;
providing a modification recommendation for the therapy for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;
or termination of the therapy for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;
wherein the therapy is an electrical stimulation of a cranial nerve.
1 Assignment
0 Petitions
Accused Products
Abstract
Methods, including a method, comprising selecting a plurality of dependent variables relating to each of a plurality of seizures in a patient; selecting a plurality of independent variables, wherein each independent variable comprises a therapy parameter, a therapy delivery parameter, a temporal factor, an environmental factor, or a patient factor; quantifying at least one relationship between each of at least two dependent variables and each of at least two independent variables; and performing an action in response to said quantifying, selected from reporting said at least one relationship, assessing an efficacy of a therapy, assessing an adverse effect of said therapy, providing a therapy modification recommendation, or adjusting said therapy. A medical device system capable of implementing a method. A non-transitory computer readable program storage medium containing instructions that, when executed by a computer, perform a method.
21 Citations
19 Claims
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1. A method of assessing an effect of a therapy on a severity of a detected epileptic seizure, comprising:
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detecting and treating a plurality of seizures in a patient; selecting by an internal controller of an implantable medical device an intensity associated with each of a first detected and treated seizure, a second detected and treated seizure, and a third detected and treated seizure; selecting by the internal controller of the implantable medical device a duration associated with each of the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure; selecting by the internal controller of the implantable medical device an extent of spread associated with each of the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure; determining by the internal controller of the implantable medical device an index of the severity associated with each of the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure, wherein the index of severity is determined using one or more of an autonomic index, a metabolic index, a neurologic index, a tissue stress marker, a musculoskeletal index, or an endocrine index; determining by the internal controller of the implantable medical device a severity associated with each of the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure based at least in part on the intensity associated with the corresponding detected and treated seizure, the duration associated with the corresponding detected and treated seizure, and the extent of spread associated with the corresponding detected and treated seizure, and the index of the severity associated with the corresponding detected and treated seizure; selecting by the internal controller of the implantable medical device one or more of; a parameter of the therapy for the plurality of detected and treated seizures, a parameter of a delivery of the therapy for the plurality of detected and treated seizures, a temporal factor for the plurality of detected and treated seizures, an environmental factor for the plurality of detected and treated seizures, or a patient factor for the plurality of detected and treated seizures; quantifying by the internal controller of the implantable medical device at least one effect of;
the therapy parameter for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;
the therapy delivery parameter for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;
the temporal factor for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;
the environmental factor for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure; and
the patient factor for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure on at least one of;
the intensity associated with the corresponding detected and treated seizure, the duration associated with the corresponding detected and treated seizure, and the extent of spread associated with the corresponding detected and treated seizure; andperforming an action by the implantable medical device in response to the quantification of the parameter of therapy associated with the corresponding detected and treated seizure, the parameter of the delivery of the therapy associated with the corresponding detected and treated seizure, the temporal factor associated with the corresponding detected and treated seizure, the environmental factor associated with the corresponding detected and treated seizure, or the patient factor associated with the corresponding detected and treated seizure, where the action is at least one of; reporting at least one effect of the therapy for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;determining if the therapy effect is beneficial, neutral, or adverse the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure; providing a modification recommendation for the therapy for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;or termination of the therapy for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;wherein the therapy is an electrical stimulation of a cranial nerve. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An implantable medical device system, comprising:
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an implantable medical device, comprising; a data acquisition unit configured to acquire data relating each of a plurality of detected and treated seizures in a patient where the data is at least one of;
an intensity of a detected and treated seizure or a severity of the detected and treated seizure, wherein the severity of the detected and treated seizure is determined based at least in part on the intensity of the detected seizure, a duration of the detected seizure, and an extent of spread of the detected and treated seizure and an index of the severity of the plurality of detected and treated seizures comprises one or more of an autonomic index, a metabolic index, a neurologic index, a tissue stress marker, a musculoskeletal index, or an endocrine index, and the data acquisition unit is further configured to acquire a therapy parameter associated with each of the plurality of detected and treated seizures, a therapy delivery parameter associated with each of the plurality of detected and treated seizures, a temporal factor associated with each of the plurality of detected and treated seizures, an environmental factor associated with each of the plurality of detected and treated seizures, or a patient factor associated with each of the plurality of detected and treated seizures;a data quantification unit configured to quantify at least one effect of;
a therapy parameter associated with each of the plurality of detected and treated seizures, a therapy delivery parameter associated with each of the plurality of detected and treated seizures, a temporal factor associated with each of the plurality of detected and treated seizures, an environmental factor associated with each of the plurality of detected and treated seizures, or a patient factor associated with each of the plurality of detected and treated seizures on;
the intensity of the corresponding seizure, the severity of the corresponding seizure, the duration of the corresponding seizure, or the extent of spread for the corresponding seizure;a therapy unit configured to administer at least one therapy to the patient, wherein the therapy is an electrical stimulation of a cranial nerve; and an efficacy assessment unit configured to determine a magnitude of efficacy based on the quantification of the parameter of therapy associated with the corresponding detected and treated seizure, the parameter of the delivery of the therapy associated with the corresponding detected and treated seizure, the temporal factor associated with the corresponding detected and treated seizure, the environmental factor associated with the corresponding detected and treated seizure, or the patient factor associated with the corresponding detected and treated seizure, the efficacy assessment unit further configured perform and action in response to determining the magnitude of efficacy, where the action is at least one of; report at least one effect of the therapy for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;determine if the therapy effect is beneficial, neutral, or adverse the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure; provide a modification recommendation for the therapy for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;
orterminate the therapy for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure. - View Dependent Claims (9, 10, 11, 12)
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13. A non-transitory computer readable program storage medium containing instructions that, when executed by an implantable medical device, perform a method of assessing an efficacy of an epilepsy therapy on detected and treated seizures, the method comprising:
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selecting an intensity of a detected and treated seizure or a severity of the detected and treated seizure, wherein the severity is determined based at least in part on the intensity of the detected and treated seizure, a duration of the detected and treated seizure, and an extent of spread of the detected and treated seizure and an index of the severity of the detected seizure, which comprises one or more of an autonomic index, a metabolic index, a neurologic index, a tissue stress marker, a musculoskeletal index, or an endocrine index; selecting a parameter of the therapy associated with each detected and treated seizure, a parameter of a delivery of the therapy associated with each detected and treated seizure, a temporal factor associated with each detected and treated seizure, an environmental factor associated with each detected and treated seizure, or a patient factor associated with each detected and treated seizure; quantifying at least one effect of the parameter of the therapy associated with each detected and treated seizure, the parameter of a delivery of the therapy associated with each detected and treated seizure, the temporal factor associated with each detected and treated seizure, the environmental factor associated with each detected and treated seizure, or the patient factor associated with each detected and treated seizure on;
the intensity of the corresponding seizure, the severity of the corresponding seizure, the duration of the corresponding seizure, or the extent of spread for the corresponding seizure; anddetermining a magnitude of efficacy based on the quantification of the parameter of therapy associated with the corresponding detected and treated seizure, the parameter of the delivery of the therapy associated with the corresponding detected and treated seizure, the temporal factor associated with the corresponding detected and treated seizure, the environmental factor associated with the corresponding detected and treated seizure, or the patient factor associated with the corresponding detected and treated seizure; and performing an action in response to determining the magnitude of efficacy, where the action is at least one of; report at least one effect of the therapy for at least one of;
the first detected and treated seizure, the second detected and treated seizure and the third detected and treated seizure;determine if the therapy effect is beneficial, neutral, or adverse the first detected and treated seizure the second detected and treated seizure, and the third detected and treated seizure; provide a modification recommendation for the therapy for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure;
orterminate the therapy for at least one of;
the first detected and treated seizure, the second detected and treated seizure, and the third detected and treated seizure,wherein the therapy is an electrical stimulation of a cranial nerve. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification