System and method for evaluating a patient status for use in heart failure assessment
First Claim
1. A system for evaluating a patient status for use in heart failure assessment, comprising:
- a data module to assemble physiological measures, which were directly recorded as data on a substantially continuous basis by an implantable medical device for a patient or indirectly derived from the data;
a status module to determine a status for the patient through sampling and analysis of the physiological measures over a plurality of data assembly points; and
an evaluation module to evaluate the physiological measures, comprising;
an analysis module to identify any trends that are indicated by the patient status; and
a comparison module to compare each such trend to worsening heart failure indications.
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Abstract
A system and method for evaluating a patient status from sampled physiometry for use in heart failure assessment is provided. Physiological measures are stored, including at least one of direct measures regularly recorded on a substantially continuous basis by an implantable medical device for a patient and measures derived from the direct measures. At least one of those of the physiological measures, which each relate to a same type of physiometry, and those of the physiological measures, which each relate to a different type of physiometry are sampled. A status for the patient is determined through analysis of the sampled physiological measures assembled from a plurality of recordation points. The sampled physiological measures are evaluated. Trends that are indicated by the patient status, which might affect cardiac performance of the patient, are identified. Each trend is compared to worsening heart failure indications to generate a notification of parameter violations.
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Citations
26 Claims
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1. A system for evaluating a patient status for use in heart failure assessment, comprising:
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a data module to assemble physiological measures, which were directly recorded as data on a substantially continuous basis by an implantable medical device for a patient or indirectly derived from the data;
a status module to determine a status for the patient through sampling and analysis of the physiological measures over a plurality of data assembly points; and
an evaluation module to evaluate the physiological measures, comprising;
an analysis module to identify any trends that are indicated by the patient status; and
a comparison module to compare each such trend to worsening heart failure indications. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for evaluating a patient status for use in heart failure assessment, comprising:
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assembling physiological measures, which were directly recorded as data on a substantially continuous basis by an implantable medical device for a patient or indirectly derived from the data;
determining a status for the patient through sampling and analysis of the physiological measures over a plurality of data assembly points; and
identifying any trends that are indicated by the patient status and comparing each such trend to worsening heart failure indications. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A system for evaluating a patient status from sampled physiometry for use in heart failure assessment, comprising:
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a storage module to store physiological measures comprising at least one of direct measures regularly recorded on a substantially continuous basis by an implantable medical device for a patient and measures derived from the direct measures;
a sampling module to sample at least one of those of the physiological measures, which each relate to a same type of physiometry, and those of the physiological measures, which each relate to a different type of physiometry;
a status module to determine a status for the patient through analysis of those sampled physiological measures assembled from a plurality of recordation points; and
an evaluation module to evaluate the sampled physiological measures, comprising;
an analysis module to identify any trends that are indicated by the patient status, which might affect cardiac performance of the patient; and
a comparison module to compare each such trend to worsening heart failure indications to generate a notification of parameter violations. - View Dependent Claims (22, 23)
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24. A method for evaluating a patient status from sampled physiometry for use in heart failure assessment, comprising:
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storing physiological measures comprising at least one of direct measures regularly recorded on a substantially continuous basis by an implantable medical device for a patient and measures derived from the direct measures;
sampling at least one of those of the physiological measures, which each relate to a same type of physiometry, and those of the physiological measures, which each relate to a different type of physiometry;
determining a status for the patient through analysis of those sampled physiological measures assembled from a plurality of recordation points; and
evaluating the sampled physiological measures, comprising;
identifying any trends that are indicated by the patient status, which might affect cardiac performance of the patient; and
comparing each such trend to worsening heart failure indications to generate a notification of parameter violations. - View Dependent Claims (25, 26)
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Specification