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NTIS 바로가기Journal of biomedical engineering research : the official journal of the Korean Society of Medical & Biological Engineering, v.34 no.2, 2013년, pp.97 - 103
이정훈 (연세대학교 의공학과) , 이전 (연세대학교 의공학과) , 이효기 (연세대학교 의공학과) , 이경중 (연세대학교 의공학과)
This paper proposes a new algorithm for sleep apnea detection based on stroke volume. It is very important to detect sleep apnea since it is a common and serious sleep-disordered breathing (SDB). In the previous studies, methods for sleep apnea detection using heart rate variability, airflow and blo...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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수면 무호흡이란 무엇인가? | 수면 무호흡의 정의는 호흡기류(airflow)가 10초 이상 정지되는 상태를 말하며 저호흡은 정상호흡기류의 30% 이상 감소와 함께 혈중산소포화도(SpO2)가 4% 이상 감소되는 경우 또는 정상호흡기류의 50% 이상 감소와 함께 3% 이상의 혈중산소포화도가 감소되는 상태를 말한다[5]. | |
수면 무호흡을 진단하는 가장 기본적인 방법으로 야간수면다원검사는 어떤 항목을 기록하는가? | 수면 무호흡을 진단하는 가장 기본적인 방법으로 야간수면다원검사(full-night polysomnography)가 널리 사용되고 있다. 이 방법은 일반적으로 뇌파, 안전도, 턱 근전도, 심전도, 호흡기류, 가슴-배 호흡운동, 다리 근전도, 몸 위치, 혈중산소포화도, 코골이 소리 등을 기록하며 필요에 따라 항목을 추가하기도 한다[6]. 그러나 야간수면다원검사는 고가의 검사 비용과 연구실이나 병원에서 측정해야 하는 공간상의 제약이 있으며, 여러 종류의 생체신호 측정을 위한 전극 부착으로 환자에게 거부감을 줄 수 있다. | |
수면 무호흡의 종류는 무엇이 있는가? | 일반적으로 수면 무호흡은 폐쇄성 수면 무호흡(obstructive sleep apnea, OSA), 중추성 수면 무호흡(central sleep apnea, CSA), 복합성 수면 무호흡(complex or mixed sleep apnea, MSA)으로 구분된다. 폐쇄성 수면 무호흡은 호흡을 하려는 의지는 있지만 반복적으로 상기도 폐쇄가 발생하는 상태이며, 중추성 수면 무호흡은 호흡을 하려는 의지가 결여된 상태이고, 복합성 수면 무호흡은 중추성 수면 무호흡과 폐쇄성 수면 무호흡이 혼합되어 발생하는 경우를 말한다[5]. |
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