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In this paper we present preliminary results of the European Community multicountry trial HHH (Home or Hospital in Heart Failure), which assessed the prevalence and persistence of nocturnal breathing disorders in mild-to-moderate CHF patients. All subjects (465) carried out a baseline respiratory recording in the hospital, followed by 12 recordings (one per month) at home. The latter were totally self-managed by the patients, and data were transmitted to the referring hospital through telephone lines. We found that 43% of the patients had a periodic breathing pattern (PB, waxing and waning of ventilation with or without apneas) during the night lasting ≥1 hour, and the apnea-hypopnea index (AHI) was ≥5 events/hour in 51% of them. During the 1-year follow-up, a PB ≥ 1 hour and an AHI ≥ 5 events/hour were persistent (i.e., occurred in > 50% of the recordings) in 43% and 52% of the patients. These findings confirm the high prevalence of nocturnal breathing disorders in CHF patients and show that in a large proportion of patients they tend to persist over time. © 2005 IEEE.

Original publication

DOI

10.1109/CIC.2005.1588047

Type

Journal article

Journal

Computers in Cardiology

Publication Date

01/12/2005

Volume

32

Pages

113 - 116