Apnea detection from 24-hour recordings of respiration in chronic heart failure patients

M. Varanini, A. Mortara, M. Raciti, M. T. La Rovere, R. Maestri, G. D. Pinna, M. Bertinelli, M. Emdin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Patients with heart failure may present periodic breathing and Cheyne-Stokes respiration during polygraphic laboratory monitoring. Free-living 24-hour respiratory ambulatory recording should improve detection of abnormal breathing pattern. To test this hypothesis 32 heart failure patients underwent both 20-minute laboratory short-term recording and long-term ambulatory recording of ECG and respiratory signal. Automatic apnea identification has been performed by a technique based on amplitude demodulation of a filtered and enhanced respiratory signal. Automatic detection was effective for the identification of apneas/hypopneas both at day- and nighttime; long-term recordings showed an improved diagnostic accuracy as compared to short-term ones.

Original languageEnglish
Title of host publicationComputers in Cardiology
PublisherIEEE
Pages489-492
Number of pages4
Publication statusPublished - 2000

ASJC Scopus subject areas

  • Software
  • Cardiology and Cardiovascular Medicine

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