Device for reporting heart failure status

• US 9,375,566 B2
• Filed: 07/18/2011
• Issued: 06/28/2016
• Est. Priority Date: 03/06/2002
• Status: Active Grant

• Current Assignee: Cardiac Pacemakers Incorporated (Boston Scientific Corporation)
• Original Assignee: Cardiac Pacemakers Incorporated (Boston Scientific Corporation)
• Inventors: Stahmann, Jeffrey E., Hatlestad, John, Zhu, Qingsheng
• Primary Examiner(s): Flory, Christopher A
• Application Number:
  US13/185,203
• Publication Number:
  US 20110275942A1
• Time in Patent Office: 1,807 Days
• Field of Search: 607/17, 600/508
• US Class Current: 1/1
• CPC Class Codes: A61B 5/0022 Monitoring a patient using a global network, e.g. telephone networks, internet
• CPC Class Codes: A61B 5/0031 Implanted circuitry
• CPC Class Codes: A61B 5/0205 Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
• CPC Class Codes: A61B 5/021 Measuring pressure in heart or blood vessels A61B5/0205 takes precedence
• CPC Class Codes: A61B 5/024 Detecting, measuring or recording pulse rate or heart rate A61B5/0205, A61B5/021 take precedence
• CPC Class Codes: A61B 5/053 Measuring electrical impedance or conductance of a portion of the body
• CPC Class Codes: A61B 5/0816 Measuring devices for examining respiratory frequency measuring frequency of electric signals G01R23/00
• CPC Class Codes: A61B 5/0826 Detecting or evaluating apnoea events A61B5/4818 takes precedence
• CPC Class Codes: A61B 5/091 Measuring volume of inspired or expired gases, e.g. to determine lung capacity
• CPC Class Codes: A61B 5/1116 Determining posture transitions
• CPC Class Codes: A61B 5/1118 Determining activity level
• CPC Class Codes: A61B 5/4878 Evaluating oedema
• CPC Class Codes: A61B 5/686 Permanently implanted devices, e.g. pacemakers, other stimulators, biochips A61B5/6861 takes precedence
• CPC Class Codes: A61B 5/74 Details of notification to user or communication with user or patient indicating measured values G01D7/00; user input means input or output arrangements for computers G06F3/00
• CPC Class Codes: A61B 5/746 Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms alarms per se G08B
• CPC Class Codes: A61B 7/02 Stethoscopes acoustic details thereof G10K11/00
• CPC Class Codes: A61N 1/37258 Alerting the patient
• CPC Class Codes: A61N 1/37282 characterised by communication with experts in remote locations using a network
• CPC Class Codes: G16H 10/20 for electronic clinical trials or questionnaires
• CPC Class Codes: G16H 20/10 relating to drugs or medications, e.g. for ensuring correct administration to patients
• CPC Class Codes: G16H 20/30 : relating to physical therapies or activities, e.g. physiotherapy, acupressure or exercising
• CPC Class Codes: G16H 40/63 : for local operation
• CPC Class Codes: G16H 40/67 : for remote operation
• CPC Class Codes: G16H 50/30 : for calculating health indices; for individual health risk assessment
• CPC Class Codes: G16H 50/70 : for mining of medical data, e.g. analysing previous cases of other patients

Abstract

An embodiment of a device for reporting a heart failure status of a patient comprises: a parameter acquisition module configured to acquire at least one trended heart failure parameter; a predetermined event acquisition module configured to acquire at least one predetermined event corresponding to the at least one trended heart failure parameter, wherein each of the at least one predetermined event represents an event condition where a predetermined event definition is satisfied; an alert acquisition module configured to acquire at least one heart failure status alert associated with the at least one predetermined event, wherein each of the at least one alert represents an alert condition where a predetermined alert definition is satisfied; and an output communication module configured to communicate the at least one heart failure status alert.

Claims

1. A programmable device, comprising processing circuitry configured to operate on instructions stored in a memory to perform a process to report a heart failure status of a patient, the process comprising:

acquiring one or more trended heart failure parameters;

acquiring one or more predetermined events corresponding to the one or more trended heart failure parameters, wherein each of the one or more predetermined events represents an event condition where a predetermined event definition is satisfied;

acquiring one or more heart failure status alerts associated with the one or more predetermined events, wherein each of the one or more heart failure status alerts represents an alert condition where a predetermined alert definition is satisfied, and is distinct from each of the one or more events; and

communicating the one or more heart failure status alerts, wherein the one or more trended heart failure parameters includes at least one of the group consisting of;

a trended tidal volume to respiration rate parameter, a trended heart rate to minute ventilation parameter, a trended heart rate to work rate parameter, a ventilatory response to work rate parameter, trended percent AF, trended LV end diastolic pressure, trended body weight, trended orthopnea, trended peripheral edema, trended pulmonary edema, and trended heart sounds.

2. The device of claim 1, wherein the computer-executable process further comprises detecting the one or more predetermined events using the one or more trended heart failure parameters and generating the one or more heart failure status alerts associated with the one or more predetermined events.

3. The device of claim 1, wherein the computer executable process further comprises communicating the one or more trended heart failure parameters or the one or more predetermined events in a manner suitable for use in determining the heart failure status of the patient.

4. The device of claim 1, further comprising a display with a display area, wherein:

the computer-executable process further comprises detecting the one or more predetermined events using the one or more trended heart failure parameters and generating the one or more heart failure status alerts associated with the one or more predetermined events;

communicating the one or more trended heart failure parameters or the one or more predetermined events in a manner suitable for use in determining the heart failure status of the patient; and

displaying in the display area the one or more heart failure status alerts and at least one of the one or more trended heart failure parameters or the one or more predetermined events.

5. The device of claim 1, wherein the device includes a programmable implantable medical device (IMD) adapted to acquire the at least one heart failure parameter and adapted to communicate with a programmer adapted to display the one or more heart failure alerts.

6. The device of claim 1, wherein the device includes a wellness management device (WMD) adapted to display the one or more heart status alerts in a manner suitable for viewing by a clinician or in a manner suitable for viewing by the patient.

7. The device of claim 1, further comprising a display with a display area, wherein the computer-executable process further comprises filtering the one or more trended heart failure parameters, the one or more predetermined events, and the one or more heart failure status alerts according to relevance to identify a relevant one or more trended heart failure parameters, a relevant one or more predetermined events, and a relevant one or more alerts, and comprises displaying the relevant one or more trended heart failure parameters, the relevant one or more predetermined events, or the relevant one or more heart failure status alerts in the display area.

8. The device of claim 1, wherein communicating the one or more heart failure status alerts in a manner suitable for use in determining the heart failure status of the patient includes automatically displaying a report, automatically triggering an alarm, automatically sending an e-mail, automatically sending a telefax, or automatically placing a telephone call.

9. The device of claim 1, wherein the one or more trended heart failure parameters include trended respiration rate, trended respiration tidal volume, trended activity, trended posture, trended dyspnea, or trended heart rate.

10. The device of claim 1, wherein the one or more trended heart failure parameters includes a trended tidal volume to respiration rate parameter, a trended heart rate to minute ventilation parameter, a trended heart rate to work rate parameter, or a ventilatory response to work rate parameter.

11. The device of claim 1, wherein the one or more trended heart failure parameters includes trended percent AF, trended body weight, or trended LV end diastolic pressure.

12. The device of claim 1, wherein the one or more trended heart failure parameters includes trended body weight, trended orthopnea, trended peripheral edema, trended pulmonary edema, or trended heart sounds.

13. The device of claim 1, wherein the event condition is where a predetermined event definition is satisfied for apnea, activity, respiration rate, posture, percent AF, or weight.

14. The device of claim 1, wherein the predetermined event definition includes a comparison of present values to previous values for the trended heart failure parameters.

15. The device of claim 1, wherein the one or more heart failure status alerts includes an alert of worsened heart failure, an alert of worsening heart failure, an alert of future worsening heart failure, or an alert of acute heart failure decompensation.

16. The device of claim 1, wherein at least one of the predetermined event definition and predetermined alert definition includes a weighted probability.

17. A device for reporting a heart failure status of a patient, comprising:

a parameter acquisition module configured to acquire at least one trended heart failure parameter;

a predetermined event acquisition module configured to acquire at least one predetermined event corresponding to the at least one trended heart failure parameter, wherein each of the at least one predetermined event represents an event condition where a predetermined event definition is satisfied;

an alert acquisition module configured to acquire at least one heart failure status alert associated with the at least one predetermined event, wherein each of the at least one alert represents an alert condition where a predetermined alert definition is satisfied;

an output communication module configured to communicate the at least one heart failure status alert; and

a filter module adapted to communicate with the output communication module and to prioritize the at least one trended heart failure parameter, the at least one predetermined event, and the at least one heart failure status alert according to relevance such that the output communication module communicates higher priority parameters, events or alerts in a preferred manner over lower priority parameters, events or alerts.

18. The device of claim 17, wherein the device is configured to detect the at least one predetermined event using the one or more trended heart failure parameters and generate the at least one heart failure status alert associated with the one or more predetermined events.

19. The device of claim 17, wherein the output communication module is further configured to communicate the at least one trended heart failure parameter or the at least one predetermined event in a manner suitable for use in determining the heart failure status of the patient.

20. The device of claim 17, wherein the at least one trended heart failure parameter includes trended respiration rate, trended respiration tidal volume, trended activity, trended posture, or trended dyspnea, trended percent AF, or trended heart rate.

21. The device of claim 17, wherein the event condition is where a predetermined event definition is satisfied for apnea, activity, respiration rate, posture, percent AF, or weight.

22. The device of claim 17, wherein the predetermined event definition includes a comparison of present values to previous values for the trended heart failure parameters.

23. The device of claim 17, wherein the at least one heart failure status alert includes an alert of worsened heart failure, an alert of worsening heart failure, an alert of future worsening heart failure, or an alert of acute heart failure decompensation.

24. A device for reporting a heart failure status of a patient, comprising:

a parameter acquisition module configured to acquire at least one trended heart failure parameter, wherein the at least one trended heart failure parameter includes a trended respiration parameter;

a predetermined event acquisition module configured to acquire at least one predetermined event corresponding to the at least one trended heart failure parameter, wherein each of the at least one predetermined event represents an event condition where a predetermined event definition is satisfied for the trended respiration parameter, wherein the event condition is where a predetermined event definition is satisfied for dyspnea, apnea, orthopnea, ventilatory response to exercise, tidal volume to respiration rate;

an alert acquisition module configured to acquire at least one heart failure status alert associated with the at least one predetermined event, wherein each of the at least one alert represents an alert condition where a predetermined alert definition is satisfied, wherein the at least one heart failure status alert includes an alert of worsened heart failure, an alert of worsening heart failure, an alert of future worsening heart failure, or an alert of acute heart failure decompensation;

an output communication module configured to communicate the at least one heart failure status alert; and

a filter module adapted to communicate with the output communication module and to prioritize the at least one trended heart failure parameter, the at least one predetermined event, or the at least one heart failure status alert according to relevance such that the output communication module communicates higher priority parameters, events or alerts in a preferred manner over lower priority parameters, events or alerts.

25. The device of claim 24, wherein the device is configured to detect the at least one predetermined event using the trended respiration parameter and generate the at least one heart failure status alert associated with the at least one predetermined event.

26. The device of claim 24, wherein the output communication module is further configured to communicate the at least one trended respiration parameter or the at least one predetermined event in a manner suitable for use in determining the heart failure status of the patient.

27. The device of claim 24, wherein the predetermined event definition includes a comparison of present values to previous values for the trended heart failure parameters.

28. A device for reporting a heart failure status of a patient, comprising:

a parameter acquisition module configured to acquire at least one trended heart failure parameter, wherein the at least one trended heart failure parameter includes a trended heart rate to work rate parameter, a trended ventilatory response to exercise parameter, a trended orthopnea parameter, a trended pulmonary edema parameter, or a trended heart sound parameter;

a predetermined event acquisition module configured to acquire at least one predetermined event corresponding to the at least one trended heart failure parameter, wherein each of the at least one predetermined event represents an event condition where a predetermined event definition is satisfied for at least one of the trended heart failure parameters;

an alert acquisition module configured to acquire at least one heart failure status alert associated with the at least one predetermined event, wherein each of the at least one alert represents an alert condition where a predetermined alert definition is satisfied, and is distinct from each of the at least one event, wherein the at least one heart failure status alert includes an alert of worsened heart failure, an alert of worsening heart failure, an alert of future worsening heart failure, or an alert of acute heart failure decompensation; and

an output communication module configured to communicate the at least one heart failure status alert.

29. The device of claim 28, wherein the device is configured to detect the at least one predetermined event using the at least one trended heart failure parameter and generate the at least one heart failure status alert associated with the at least one predetermined event.

30. The device of claim 28, wherein the output communication module is further configured to communicate the at least one trended heart failure parameter or the at least one predetermined event in a manner suitable for use in determining the heart failure status of the patient.

31. The device of claim 28, wherein the predetermined event definition includes a comparison of present values to previous values for the trended heart failure parameters.

32. The device of claim 28, further comprising a filter module adapted to communicate with the output communication module and to prioritize the at least one trended heart failure parameter, the at least one predetermined event, or the at least one heart failure status alert according to relevance such that the output communication module communicates higher priority parameters, events or alerts in a preferred manner over lower priority parameters, events or alerts.