System and method for diagnosing and tracking congestive...

Details System and method for diagnosing and tracking congestive... System and method for diagnosing and tracking congestive...

2006-08-22

2006-08-22

Pezzuto, Robert E. (Department: 3766)

Surgery

Diagnostic testing

Respiratory

C600S324000, C600S518000, C600S538000

Reexamination Certificate

active

07094207

ABSTRACT:
Techniques are provided for distinguishing Cheyne-Stokes Respiration (CSR) caused by central sleep apnea (CSA) from CSR caused by congestive heart failure (CHF) and for evaluating the severity of CHF, if present, based up CSR. A time period associated with the CSR is determined based upon separate evaluation of apnea and hyperpnea periods during CSR and then the time period is compared against a time-varying discrimination threshold derived from integrated thoracic impedance signals. If the time period exceeds the threshold, the CSR of the patient is caused by CHF; otherwise, the CSR is caused by CSA. Thereafter, the course of therapy delivered to the patient is controlled based upon the type of CSR. In addition, if the CSR is caused by CHF, the time period associated with CSR is employed to determine the severity of CHF—with longer time periods being associated with more severe CHF.

REFERENCES:
patent: 5056519 (1991-10-01), Vince
patent: 5476483 (1995-12-01), Bornzin et al.
patent: 5817135 (1998-10-01), Cooper et al.
patent: 5911218 (1999-06-01), DiMarco
patent: 6128534 (2000-10-01), Park et al.
patent: 6331536 (2001-12-01), Radulovacki et al.
patent: 6415183 (2002-07-01), Scheiner et al.
patent: 6432956 (2002-08-01), Dement et al.
patent: 6454719 (2002-09-01), Greenhut
patent: 6459929 (2002-10-01), Hopper et al.
patent: 6512952 (2003-01-01), Stahmann et al.
patent: 6519493 (2003-02-01), Florio et al.
patent: 6525073 (2003-02-01), Mendel et al.
patent: 6586478 (2003-07-01), Ackman et al.
patent: 6589188 (2003-07-01), Street et al.
patent: 6600949 (2003-07-01), Turcott
patent: 6628988 (2003-09-01), Kramer et al.
patent: 6641542 (2003-11-01), Cho et al.
patent: 6643546 (2003-11-01), Mathis et al.
patent: 6645153 (2003-11-01), Kroll et al.
patent: 6830548 (2004-12-01), Bonnet et al.
patent: 6839581 (2005-01-01), El-Solh et al.
patent: 2002/0002327 (2002-01-01), Grant et al.
patent: 2002/0193697 (2002-12-01), Cho et al.
patent: 2003/0153954 (2003-08-01), Park et al.
patent: 1151718 (2001-04-01), None
patent: WO 01/76459 (2001-10-01), None
patent: WO 01/76459 (2001-10-01), None
patent: WO 02/087433 (2002-11-01), None
Thomas W. Millar, M. Sc., et al., “The Entrainment of Low Frequency Breathing Periodicity,”Chest, 1990; vol. 98, pp. 1143-1148.

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