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Successful screening of sleep-disordered breathing using a pacemaker-based algorithm in Japan.

Yuka Taguchi1, Kohei Matsushita1, Toshiyuki Ishikawa1

  • 1Yokohama City University Graduate School of Medicine, Department of Medical Science and Cardio-renal Medicine, Yokohama, Japan.

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Pacemaker algorithms can screen for sleep apnea (SA) in Japanese patients. This study found the algorithm useful, particularly for severe SA cases.

Keywords:
Heart failurePolysomnographySleep apnea syndromeTransthoracic impedance sensor

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Area of Science:

  • Cardiology
  • Sleep Medicine
  • Medical Devices

Background:

  • Pacemakers increasingly feature algorithms for sleep apnea (SA) detection using transthoracic impedance.
  • Evaluating the efficacy of these SA detection algorithms in diverse patient populations is crucial.

Purpose of the Study:

  • To assess the accuracy of a pacemaker-based algorithm for identifying sleep apnea in Japanese patients.

Main Methods:

  • Prospective enrollment of patients receiving pacemakers with SA monitoring.
  • Comparison of pacemaker-derived respiratory disturbance index (RDI-PM) with polysomnography (PSG) results.
  • Correlation analysis between RDI-PM and apnea-hypopnea index (AHI) from PSG.

Main Results:

  • Analysis included 34 Japanese patients; 65% had moderate/severe SA (AHI≥15).
  • A significant positive correlation (r=0.543, p=0.001) was observed between RDI-PM and AHI-PSG.
  • The correlation was stronger in severe SA and apnea-dominant groups.

Conclusions:

  • The pacemaker-based algorithm serves as a valuable screening tool for sleep apnea in Japanese individuals.
  • Its utility is particularly noted in identifying severe SA, apnea-dominant, and central sleep apnea-dominant cases.