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이재호(Jae Ho Lee),최동철(Dong Chul Choi),송재훈(Jae Hoon Song),정기석(Ki Suck Jung),김영환(Young Whan Kim),한성구(Sung Koo Han),심영수(Young Soo Shim),김건열(Keun Youl Kim),한용철(Yong Chol Han),정기호(Ki Ho Jeong),정만표(Man Pyo Je 대한내과학회 1991 대한내과학회지 Vol.40 No.4
A clinical evaluation was made in 14 cases of sleepapnea syndrome diagnosed by polysomnography in the Department of Internal Medicine, Seoul National University Hospital during the period from August, 1989 to April, 1990. The results obtained were as follow : 1) The ratio of male to female was 6:1. The age of peak incidence was 6th decade in 35.7%, and 5th decade in 28.6%, 7th and 4th decade in 14.3% respectively in order. 2) The most frequent nocturnal symptom was snoring observed in 14 cases (100%) and apnea during sleep noticed by sleep partner in 13 cases (92.9%). Of daytime symptoms, the most frequent one was daytime sleepiness which was observed in 13 cases (92.9%) followed by morning headache, 6 cases (42.9%). 3) On gross examination, characteristic features of thick, dull appearance with mouth open and plethora on cheek was found only in 5 cases (35.7%). Overweight was observed in 8 cases (57.2%). 4) Hypertension was accompanied in 7 cases (50%) and angina in 2 cases (14.3%). Hypothyroidism and chronic obstructive lung disease were observed in 1 case respectively. 5) 13 cases (92.9%) was obstructive sleep-apnea and 1 case(7.1%) was mixed type but none was central type. 6) On throat examination, palatine tonsilar hypertrophy was found in 10 cases (71.4%), redundant pharyngeal mucosa or redundant soft palate respectively in 6 cases (42.9%). 7) On polysomnographic examination, apnea index of 5~10 and 31~40 were most frequent (4 cases respectively; 28.6%) and apnea index of 41~50 was 3 cases(21.4%). 8) The longest apnea duration of 41~50 seconds was most frequent (4 cases; 28.6%) and apnea duration of 61~70 seconds was next with 3 cases (21.4%). 9) The minimum arerial oxygen saturation of SO~89% was most frequent (7 cases; 50%) and arterial oxygen saturation of 70~79% and 40~49% was 2 cases respectively.