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문화식,최영미,Moon, Hwa-Sik,Choi, Young-Mee 대한수면의학회 1996 수면·정신생리 Vol.3 No.2
Data collected to date indicate that sleep apnea syndrome is a risk factor in the development of cardiovascular dysfunction such as systemic hypertension, cardiac arrhythmias, pulmonary hypertension, right heart failure, angina, myocardial infarction, and stroke. Several reports suggest that untreated patients with sleep apnea syndrome have a higher long-term mortality than treated patients and than normal subjects. But there are many controversies concerning the treatment of sleep apnea syndrome, and there is no universally accepted standard for effective treatment. We reviewed the current approaches and options in the medical treatment of sleep apnea syndrome.
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문화식,이상학,Moon, Hwa-Sik,Lee, Sang-Haak 대한수면의학회 2007 수면·정신생리 Vol.14 No.1
Sleep disordered breathing is highly prevalent in the elderly and affects older men and women similarly. Nocturia, cardiovascular diseases, cognitive impairment, traffic accidents and repeated falls are common manifestations of sleep apnea in the elderly and sleep study may be indicated in these patients. When a sleep study is planned, reliable markers of respiratory efforts and a tibial EMG should be included because central sleep apneas and periodic leg movements are common in the elderly patients. Although cardiovascular morbidity and mortality seem to be lower in the elderly than in middle-aged adults, these may not be as low as commonly believed. Excessive daytime sleepiness, cognitive dysfunction and nocturia can be improved by effective treatment with continuous positive airway pressure and a therapeutic trial should be recommended to all symptomatic patients. It is still unclear whether sleep apnea in older adults is a specific entity or the same disease as in younger adults. Further clinical research is warranted.
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수면과 관련된 호흡장애가 심혈관계의 기능 변화에 미치는 영향
문화식,Moon, Hwa-Sik 대한수면의학회 1997 수면·정신생리 Vol.4 No.2
The data collected to date indicate that sleep-related breathing disorders, including sleep-disordered breathing(sleep apnea) and underlying respiratory system diseases, are one of the important risk factors for cardiovascular dysfunction. Sleep-disordered breathing(sleep apnea) is now recognized as one of the leading causes of systemic hypertension, cardiac arrhythmias, coronary heart disease, pulmonary hypertension, right heart failure, and stroke. Sleep may exert a profound effect on breathing in patients with underlying respiratory system disease including bronchopumonary diseases, chest wall abnormalities, central alveolar hypoventilation syndromes or respiratory neuromuscular disorders. Chronic hypoxia and hypercapnia in these patients may accelerate the development of long term cardiovascular complications such as cardiac arrhythmias, pulmonary hypertension, and right heart failure(cor pulmonale). Several recent studies reported that sleep-related breathing disorders are associated with long-term cardiovascular morbidity and mortality. Careful assessment of respiratory and cardiovascular function in these patients is critical. Aggressive and highly effective treatment of sleep-related breathing disorders using tracheostomy, mechanical ventilation, nasal continuous positive airway pressure therapy(nCPAP), intercurrent oxygen therapy or other interventions can reduce the prevalence of cardiovascular dysfunction and the long-term mortality.
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문화식,Moon, Hwa-Sik 대한수면의학회 1995 수면·정신생리 Vol.2 No.1
During sleep, relatively major respiratory physiological changes occur in healthy subjects. The contributions and interactions of voluntary and metabolic breathing control systems during waking and sleep are quite different Alterations of ventilatory control occur in chemosensitivity, response to mechanical loads, and stability of ventilation. The activities of intercostal muscles and muscles involved in regulating upper airway size are decreased during sleep. These respiratory physiological changes during sleep compromise the nocturnal ventilatory function, and sleep is an important physiological cause of the nocturnal alveolar hypoventilation. There are several causes of chronic alveolar hypoventilation including cardiopulmonary, neuromuscular diseases. Obstructive sleep apnea syndrome (OSAS) is an important cause of nocturnal hypoventilation and hypoxia. Coexistent cardiopulmonary or neuromuscular disease in patients with OSAS contributes to the development of diurnal alveolar hypoventilation, diurnal hypoxia and hypercapnia. The existing data indicates that nocturnal recurrent hypoxia and fragmentation of sleep in patients with OSAS contributes to the development of systemic hypertension and cardiac bradytachyarrhythmia, and diurnal pulmonary hypertension and cor pulmonale in patients with OSAS is usually present in patients with coexisting cardiac or pulmonary disease. Recent studies reported that untreated patients with OSAS had high long-term mortality rates, cardiovascular complications of OSAS had a major effect on mortality, and effective management of OSAS significantly decreased mortality.
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폐쇄성 수면 무호흡증후군 환자에서 각성시와 수면중의 혈중 Atrial Natriuretic Peptide 농도 변화
문화식,최영미,송정섭,박성학,Moon, Hwa-Sik,Choi, Young-Mee,Song, Jeong-Sup,Park, Sung-Hak 대한수면의학회 1995 수면·정신생리 Vol.2 No.2
Objectives : Patients with obstructive sleep apnea syndrome(OSAS) often complain of nocturnal enuresis. There are a few reports that OSAS patients have altered renal function, and there are some evidences that the increased release of atrial natriuretic peptide(ANP) may be involved in the pathogenesis of nocturnal urinary symptoms of OSAS patients. In this study, we measured plasma ANP concentrations during waking and sleep in OSAS patients and normal controls to investigate whether there were differences of ANP concentrations between OSAS patients and normal subjects. Methods : 27 patients with OSAS and 10 normal subjects were studied. All subjects underwent a full-night polysomnographic study. Venous blood samples were separately drawn during waking and sleep. Plasma ANP concentrations were measured using radioimmunoassay. Results : In OSAS patients, ANP concentrations during sleep($122.9\;{\pm}\;29.9pg/ml$) were significantly higher than ANP concentrations during waking($60.2\;{\pm}\;5.8pg/ml$)(p < 0.05). However, in normal subjects, there was no significant difference between ANP concentrations during waking($59.2\;{\pm}\;5.7pg/ml$) and sleep($69.6\;{\pm}\;3.0pg/ml$)(p > 0.05). There was no significant difference of ANP concentrations during waking between OSAS patients($60.2\;{\pm}\;5.8pg/ml$) and normal controls($59.2\;{\pm}\;5.7pg/ml$)(p > 0.05), and also there was no significant difference during sleep between OSAS patients($122.9\;{\pm}\;29.9pg/ml$) and normal subjects($69.6\;{\pm}\;3.0pg/ml$)(p > 0.05). Plasma ANP concentrations during sleep showed significant positive correlations with apnea index(r = 0.3846, p < 0.05) and respiratory disturbance index(r = 0.3939, p < 0.05) in OSAS patients. Conclusion : These data suggest that, in OSAS patients, plasma ANP concentrations during sleep are significantly higher than plasma ANP concentrations during waking, and there is a positive correlation between the plasma ANP concentration during sleep and the severity of sleep apnea.
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문화식,Mun, Hwa-Sik 사단법인 한국당뇨협회 2006 당뇨 Vol.199 No.-
혈당조절이 잘되지 않는 당뇨병환자에서 폐결핵이 발병할 경우 치료에 잘 반응하지 않아 폐결핵 유병기간이 길어지고 임상경과도 심각한 경우가 많다. 폐결핵이 있는 당뇨병환자는 인슐린 저항성이 더 높아지며 이로 인해 더 많은 양의 인슐린을 필요로 하고 혈당조절에 실패하는 경우가 많다.
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