Abstract: Poster Presentations |

Sleep Disordered Breathing in Patients Admitted to a Tertiary Hospital With Congestive Heart Failure FREE TO VIEW

David A. Neumeyer, MD*; Ann T. Wilkinson; Charles Gbadouwey, MD; Al Levin, MD
Author and Funding Information

Lahey Clinic, Burlington, MA


Chest. 2004;126(4_MeetingAbstracts):906S. doi:10.1378/chest.126.4_MeetingAbstracts.906S
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PURPOSE:  Untreated sleep apnea and other sleep disorders in patients with congestive heart failure are known to be associated with an increased mortality.1 Studies have shown an increased prevalence of OSA in patients with CHF, however little data exists on the prevalence of OSA on in-patients with CHF. This pilot study attempts to define the prevalence of sleep disordered breathing in patients with congestive heart failure admitted at a teaching hospital. The study was obtained with the use of an unmonitored four-channel recording (Stardust-Respironics, Inc).

METHODS:  Patients with the primary diagnosis of CHF admitted to our facility were selected for enrollment in this study. Enrollment criteria included resolution of acute heart failure. Other acute medical problems were required to be under adequate control, as not to significantly interfere with the sleep evaluation. Verbal consent was obtained from all patients entered into the study for the unmonitored four-channel Stardust recording (heart rate, pulse oximetry, nasal/oral air flow, and respiratory effort). The diagnosis of sleep disordered breathing was defined as an Apnea/Hypopnea Index (AHI of ≥5/hr, based on the results of the Stardust recording.

RESULTS:  Our data suggests a high prevalence of sleep disordered breathing amongst patients admitted to the hospital with the diagnosis of CHF. In 5 patients studied to date, all had evidence of sleep disordered breathing, based on a 4-channel sleep recording device (see table one). The mean AHI = 19.4. PatientAgeSexAHIDiagnosis151male22/hr.CHF, CAD285female9.6/hr.CHF, Pneumonia373male16.5/hr.CHF475male36.4/hr.CHF, s/p AVR, MVR583male12.4/hr.CHF

CONCLUSION:  There is a high prevalence of sleep disordered breathing in patients with congestive heart failure admitted to our facility.

CLINICAL IMPLICATIONS:  Sleep disordered breathing in patients with congestive heart failure is associated with an increased risk of morbidity and mortality. Unmonitored sleep studies may play an important role in identifying this subset of patients with CHF who are at increased risk of death. 2, 3.

DISCLOSURE:  D.A. Neumeyer, None.

Wednesday, October 27, 2004

12:30 PM - 2:00 PM




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