System And Method For Determining Pulmonary Performance From Transthoracic Impedance Measures
First Claim
1. A system for determining pulmonary performance from transthoracic impedance measures, comprising:
- a correlation component to correlate transthoracic impedance measures collected by an implantable medical device to pulmonary functional measures;
an arrangement component to group the pulmonary functional measures by respiratory pattern; and
an evaluation component to evaluate pulmonary performance, comprising;
an analysis subcomponent to determine differences by comparing the pulmonary functional measures for each respiratory pattern to the pulmonary functional measures for at least one previous respiratory pattern;
an identification module to identify a trend from the differences; and
an alert subcomponent to generate an alert upon sufficient deviation of the trend from a threshold criteria.
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Abstract
A system and method for determining pulmonary performance from transthoracic impedance measures is provided. Transthoracic impedance measures collected by an implantable medical device are correlated to pulmonary functional measures. The pulmonary functional measures are grouped by respiratory pattern. Pulmonary performance is evaluated. Differences are determined by comparing the pulmonary functional measures for each respiratory pattern to the pulmonary functional measures for at least one previous respiratory pattern. A trend is identified from the differences. An alert is generated upon sufficient deviation of the trend from a threshold criteria.
27 Citations
24 Claims
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1. A system for determining pulmonary performance from transthoracic impedance measures, comprising:
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a correlation component to correlate transthoracic impedance measures collected by an implantable medical device to pulmonary functional measures; an arrangement component to group the pulmonary functional measures by respiratory pattern; and an evaluation component to evaluate pulmonary performance, comprising; an analysis subcomponent to determine differences by comparing the pulmonary functional measures for each respiratory pattern to the pulmonary functional measures for at least one previous respiratory pattern; an identification module to identify a trend from the differences; and an alert subcomponent to generate an alert upon sufficient deviation of the trend from a threshold criteria. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for assessing pulmonary performance through transthoracic impedance monitoring, comprising:
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correlating transthoracic impedance measures collected by an implantable medical device to pulmonary functional measures; grouping the pulmonary functional measures by respiratory pattern; and evaluating pulmonary performance, comprising; determining differences by comparing the pulmonary functional measures for each respiratory pattern to the pulmonary functional measures for at least one previous respiratory pattern; identifying a trend from the differences; and generating an alert upon sufficient deviation of the trend from a threshold criteria. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A system for evaluating pulmonary performance using transthoracic impedance measures, comprising:
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a collection component to collect a set of transthoracic impedance measures from a patient through an implantable medical device; a profile component form a pulmonary volume profile comprising pulmonary functional measures derived from the transthoracic impedance measures; a trend component to analyze trends by comparing the pulmonary volume profile with one or more previous pulmonary volume profiles; and an alert component to generate an alert upon substantial deviation of the trends from expected values of the pulmonary functional measures. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A method for evaluating pulmonary performance using transthoracic impedance measures, comprising:
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collecting a set of transthoracic impedance measures from a patient through an implantable medical device; forming a pulmonary volume profile comprising pulmonary functional measures derived from the transthoracic impedance measures; analyzing trends by comparing the pulmonary volume profile with one or more previous pulmonary volume profiles; and generating an alert upon substantial deviation of the trends from expected values of the pulmonary functional measures. - View Dependent Claims (20, 21, 22, 23, 24)
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Specification