Back to results
US 2007/0179385 A1Published application
Method for continuous baroreflex sensitivity measurement
AssigneeMedtronic, Inc.
InventorsYong Cho, Tommy Bennett
Life of this patent
Estimating the term…
Abstract
A medical device and method for determining baroreflex sensitivity (BRS) based on one or more respiration cycles. The BRS determination may be performed continuously based on measurements of heart rate, blood pressure, and respiration cycles.
Claims22
A method for calculating a continuous baroreflex sensitivity (BRS) value, comprising:
- detecting respiration cycles of a patient;
- measuring heart rate of the patient over a first set of respiration cycles;
- measuring a pressure metric of the patient over a second set of respiration cycles;
- and
- calculating a BRS value based on the heart rate and pressure measurements.
2 more elements
An implantable medical device, comprising:
- one or more sensors for sensing patient heart rate, blood pressure, and respiration cycles;
- and
- a housing supporting a processor and adapted for implantation in a patient, the processor coupled to the one or more sensors, the processor for calculating continuous baroreflex sensitivity (BRS) for each detected respiration cycle based on the sensed heart rate, blood pressure and respiration cycles.
A computer-readable medium programmed with instructions for baroreflex sensitivity (BRS) measurement, the medium comprising instructions for causing a programmable processor to:
- detect at least one of inspiration and expiration cycles of a patient;
- measure a heart rate of the patient;
- measure a pressure of the patient;
- and
- calculate a BRS value over that at least one of inspiration and expiration cycles, the BRS calculation constituting the change in measured heart rate divided by the change in measured pressure.
2 more elements
Dependencies are inferred from the claim text.