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Validity of sheet-type portable monitoring device for screening obstructive sleep apnea syndrome

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Abstract

Purpose

The SD-101 is a non-restrictive sheet-like medical device that measures sleep-disordered breathing using pressure sensors that can detect the gravitational alterations in the body that accompany respiratory movement. One report has described that the screening specificity of the SD-101 for mild to moderate obstructive sleep apnea syndrome (OSAS) is relatively low. The present study examines whether the accuracy of the SD-101 for OSAS screening is improved by simultaneously measuring percutaneous oxygen saturation (SpO2).

Methods

Sixty consecutive individuals with suspected OSAS consented to undergo overnight polysomnography (PSG) together with simultaneous measurements of SD-101 and SpO2 at our laboratory.

Results

The apnea–hypopnea index (AHI) determined from PSG and the respiratory disturbance index determined from SD-101 measurements significantly correlated (SD-101 alone: r = 0.871, p < 0.0001; SD-101 with SpO2: r = 0.965, p < 0.0001). Bland–Altman plots showed a smaller dispersion for the SD-101 with SpO2 than for the SD-101 alone. The SD-101 with SpO2 detected an AHI of >15 on PSG with a sensitivity and specificity of 96.9 and 90.5 % compared with 87.5 and of 85.7 %, respectively, of the SD-101 alone.

Conclusions

Simultaneously measuring SpO2 improved the accuracy of the SD-101 for OSAS screening. Furthermore, this modality appears to offer high sensitivity and specificity for detecting even moderately severe OSAS.

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Acknowledgments

This study was supported by a Health Science Research Grant (no. 22111201: Comprehensive Research on Life-Style Related Diseases including Cardiovascular Diseases and Diabetes Mellitus) from the Ministry of Health, Labor and Welfare of Japan.

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Authors and Affiliations

  1. Neuropsychiatric Research Institute, Japan Somnology Center, 1-24-10, Yoyogi, Shibuya-ku, Tokyo, 151-0053, Japan

    Mina Kobayashi, Kazuyoshi Namba, Satoru Tsuiki, Masaki Nakamura & Yuichi Inoue

  2. Yoyogi Sleep Disorder Center, 1-24-10, Yoyogi, Shibuya-ku, Tokyo, 151-0053, Japan

    Mina Kobayashi, Kazuyoshi Namba, Satoru Tsuiki, Masaki Nakamura & Yuichi Inoue

  3. Department of Somnology, Tokyo Medical University, 6-7-1, Nishishinjyuku, Shinjyuku-ku, Tokyo, 160-0023, Japan

    Mina Kobayashi, Satoru Tsuiki, Masaki Nakamura & Yuichi Inoue

  4. Department of Internal Medicine, Division of Respiratory Medicine & Clinical Allergy, Fujita Health University School of Medicine, 1-98, Dengakubo, Kutsukake-cho, Toyoake-shi, Aichi, 470-1192, Japan

    Masamichi Hayashi, Yuuki Mieno, Hiromi Imizu & Hiroki Sakakibara

  5. Department of Laboratory Medicine, Fujita Health University Hospital, 1-98, Dengakubo, Kutsukake-cho, Toyoake-shi, Aichi, 470-1192, Japan

    Shiho Fujita & Atsushi Yoshikawa

Authors
  1. Mina Kobayashi
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  2. Kazuyoshi Namba
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  3. Satoru Tsuiki
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  4. Masaki Nakamura
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  5. Masamichi Hayashi
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  6. Yuuki Mieno
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  7. Hiromi Imizu
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  8. Shiho Fujita
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  9. Atsushi Yoshikawa
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  10. Hiroki Sakakibara
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  11. Yuichi Inoue
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Corresponding author

Correspondence to Mina Kobayashi.

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Kobayashi, M., Namba, K., Tsuiki, S. et al. Validity of sheet-type portable monitoring device for screening obstructive sleep apnea syndrome. Sleep Breath 17, 589–595 (2013). https://doi.org/10.1007/s11325-012-0725-z

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  • DOI: https://doi.org/10.1007/s11325-012-0725-z

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