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J Korean Neurol Assoc. 2012;30(4):293-300.
- Predictable Factors of Residual Sleepiness in Auto-PAP Users With
Obstructive Sleep Apnea
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Su Jung Choi
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Brain-Nerve Center
a
, Department of Neurology
b
, Samsung Medical Center, Sungkyunkwan University School of
Medicine, Seoul, Korea
- 폐쇄수면무호흡증환자에서 자동 비강기도양압기 사용 후
지속되는 주간졸림의 예측인자
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최수정, 구대림
a,b
주은연
a,b
홍승봉
a,b
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성균관대학교 의과대학 삼성서울병원 뇌신경센터
a
, 신경과학교실
b
- Abstract
- Background
Some patients with obstructive sleep apnea (OSA) remain sleepy despite adequate use of nasal positive
airway pressure (PAP). To investigate the clinical and polysomnographic factors related to residual daytime sleepiness in
OSA patients with adequate PAP-treatment for more than 3 months.
Methods
We enrolled consecutively 101 patients, who were diagnosed with moderate to severe OSA by overnight
polysomnography. All of them complained of daytime sleepiness and started using nasal Auto-PAP (APAP). Patients
who had used APAP adequately (≥70% of nocturnal sleep time, ≥5 days a week) for more than 3 months were divided
into a group with residual excessive sleepiness (RES; Epworth sleepiness scale, ESS ≥10) and a group without RES
(Non-RES) (ESS<10). Clinical and polysomnographic variables were compared between two groups.
Results
Fifty-six patients (55.4%, 56/101) who had used APAP adequately (mean 9.6 months) were enrolled finally.
Twenty (35.7%) had RES (mean ESS: 15.2 decreased to 12.4 after PAP therapy) while 36 had no RES (mean ESS: 13.1→6.0).
Hypertension was more frequent in RES patients. Furthermore, RES patients were sleepier than Non-RES ones before
APAP treatment started. Other clinical, demographic, polysomnography findings and compliance of APAP were not
different between two. On multivariate logistic analysis regression, baseline ESS (odd ratio [OR] 1.34 [1.07-1.67]), history
of hyperlipidemia (OR 5.04 [1.14-22.33]) were significantly associated with RES.
Conclusions
Our findings showed that 35.7% of OSA patients remained sleepy after an adequate PAP therapy.
Predictors of RES were a history of hyperlipidemia and a higher baseline ESS. Key Words: Continuous positive airway pressure, Obstructive sleep apnea, Prevalence, Residual excessive sleepiness
Keywords :
- 초록
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