수면단계 및 체위에 따른 수면무호흡의 빈도 및 정도에 관한 연구

• 영문명: Sleep Apnea Frequency and Severity as Correlates of Sleep Stages and Sleeping Positions
• 발행기관: 대한신경정신의학회
• 저자명: 윤인영 민양기 정도언
• 간행물 정보: 『신경정신의학』제34권 제4호, 1007~1016쪽, 전체 10쪽
• 주제분류: 의약학 > 정신과학
• 파일형태: PDF
• 발행일자: 1995.07.30

영문 초록

Among the factors determining severity and frequency of obstructive sleep apnea syndrome (OSAS), sleeping position and sleep stages seem to be crucial ones, supported by patients’ & spouses，reports and clinical observations. This study was done to elaborate on the possible differences in the frequency and the severity of OSAS between supine and lateral positions as well as between REM and NREM sleep stages. Fourteen patients with clinical diagnosis of OSAS were studied polysomnographically for one full night using Oxford Medilog SAC 847 system. Standardized procedures were adopted for sleep recording with the body position sensor placed on the chest at the midline. Obtained computer-scored data were manually corrected regarding sleep stages, apnea types and the presence of arousals. In the lateral position, compared with the supine position, respiratory disturbance index(RDl), O 2 desaturation and the percent arousals all decreased and the mean of lowest O2 saturations increased significantly. During REM sleep, in comparison with NREM sleep，R D duration was more prolonged with O2 desaturation more pronounced. The severity and the frequency of respiratory disturbances are more marked in the supine position and REM stage than in the lateral position and NREM stage respectively. Sleeping position training should be encouraged as an adjunctive therapeutic option, in addition to the adoption of other therapeutic maneuvers.

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키워드

Obstructive sleep apnea Sleep stages Sleeping positions Rapid eye movement sleep Non-rapid eye movement sleep Oxygen saturation Respiratory disturbance index