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변형 Mallampati 지수 및 편도 지수와 무호흡-저호흡지수의 지수의 상관관계
안병훈,최종원,박연호,송인혁,남영진,송달원,Ahn, Byung-Hoon,Choi, Jong-Won,Park, Youn-Ho,Song, In-Hyuk,Nam, Young-Jin,Song, Dal-Won 대한수면의학회 2004 수면·정신생리 Vol.11 No.2
Objectives: Obstructive sleep apnea (OSA) syndrome is diagnosed through history, physical examination, imaging studies and polysomnography. Clinical examination of this condition may point to hypertrophic tonsils and crowded oropharynx. The objective of this study is to investigate the usefulness of modified Mallampati grade (MMG) and tonsil grade (TG) in predicting the severity of obstructive sleep apnea. Methods: MMG and TG were divided into 4 and 5 groups, respectively, according to their severity. Medical records were collected from 94 patients who had received polysomnography and otorhinolaryngologic examination for snoring and sleep apnea at Keimyung University Dongsan Medical Center from March 2002 through April 2004. Patients were divided into two groups according to the apnea-hypopnea index (AHI):control (n=24), and patients with sleep apnea (n=70). Results: Patients with higher MMG and TG had higher AHI, and MMG and TG proved to have a statistically significant correlation with AHI (p<0.05) Conclusion: MMG and TG were reliable predictors of OSA and helpful parameters in deciding treatment method. 목 적:폐쇄성 수면 무호흡증은 병력청취, 이학적 검사, 방사선학적 검사, 수면다원검사로 진단할 수 있는데 이를 임상적으로 검사할 때에는 편도의 비대와 좁아진 구인두의 관찰에 초점을 두어야 한다. 이 연구에서는 폐쇄성 수면무호흡증의 심한 정도를 예측하는데 있어 변형 Mallampati 지수(MMG)와 편도지수(TG)의 유용성을 알아보고자 하였다. 방 법:MMG와 TG는 심한정도에 따라 각각 4군 및 5군으로 나뉜다. 2002년 3월부터 2004년 4월까지 계명대학교 동산의료원에서 코골이와 수면무호흡증으로 수면다원검사와 이비인후과적 검진을 받은 94례를 대상으로 이들의 의무기록을 후향적으로 분석하였다. 환자들은 무호흡-저호흡지수(AHI)에 따라 비교군(n=24)과 수면무호흡군(n=70)으로 나누었다. 결 과:변형 Mallampati 지수(MMG)와 편도지수(TG)가 높을수록 높은 AHI 값을 가지며 TG와 MMG 모두 AHI와 통계적으로 유의한 연관성을 보였다. 결 론:MMG와 TG는 수면무호흡증을 진단하는데 신뢰할만한 예측인자이며 치료방법을 결정하는데 유용한 척도가 될 수 있다.
계절 ARIMA 모형을 이용한 국내 지역별 전력사용량 중장기수요예측
안병훈(Ahn, Byung-Hoon),최회련(Choi, Hoe-Ryeon),이홍철(Lee, Hong-Chul) 한국산학기술학회 2015 한국산학기술학회논문지 Vol.16 No.12
전력수요의 예측은 안정적인 전력공급을 위한 수급계획수립을 위해서 그리고 전력계통의 최적운영계획수립을 위해 서도 필요하다. 특히 안정적인 전력수급확보를 위해서는 중장기 전력수요예측이 중요하고 공급안정성 강화를 위해서는 지역 별 전력수요예측이 중요하다. 지역별 전력수요예측은 지역에 소요되는 부하를 충족시킬 수 있도록 송전선로 및 변전소 등의 계통망의 최적상태 구성 및 유지를 위한 필수적인 과정으로 알려져 있다. 따라서 본 논문은 12개월(중장기)동안 대한민국 시도별 16개 지역의 전력사용량을 SARIMA 모형을 이용하여 예측하는 방법을 제안한다. Load forecasting is needed to make supply and demand plan for a stable supply of electricity. It is also necessary for optimal operational plan of the power system planning. In particular, in order to ensure stable power supply, long-term load forecasting is important. And regional load forecasting is important for tightening supply stability. Regional load forecasting is known to be an essential process for the optimal state composition and maintenance of the electric power system network including transmission lines and substations to meet the load required for the area. Therefore, in this paper we propose a forecasting method using SARIMA during the 12 months (long-term/mid-term) load forecasting by 16 regions of the South Korea.
안병훈(Byung-Hoon Ahn),지익성(Ik-Seung Chee),왕성근(Seong-Keun Wang),홍주봉(Joo-Bong Hong),박권수(Kwon-Soo Park),김영란(Young-Lan Kim),김정란(Jeong-Lan Kim) 대한생물치료정신의학회 2009 생물치료정신의학 Vol.15 No.2
Objectives: This study was conducted to evaluate the degree and type of anger experienced by patients with depressive disorders and to determine which type of anger is correlated with symptom severity. Methods: One hundred-six psychiatric outpatients with depressive disorders and ninety normal control subjects completed the Korean version of Aggression Questionnaire(AQ) and Korean version of Depression, Anxiety, and Stress Scale (DASS). Comparison between two groups was conducted to evaluate which type of anger are prominent in the depressed group. Therefore, correlation and partial correlation between the scores of 4 subscales(Anger, Hostility, Verbal aggression, and Physical aggression) of AQ and the scores of 3 subscales(Depression, Anxiety, and Stress) of DASS were assessed. A multiple regression analysis was performed to determine which type of anger predicted symptom severity. Results: Total AQ score, hostility, anger and physical aggression scores were significantly higher in patients with depressive disorders. After the score of Stress and Anxiety subscale of DASS were controlled; the depression score was significantly correlated with total AQ score, physical aggression and hostility score. The Hostility score was a major predictor of the depressive symptom severity. In addition, the Anger score was a major predictor of the anxiety and stress symptom severity. Conclusion: Anger is frequently found symptom in patients with depressive disorders. Therefore, it is important that clinicians routinely evaluate the degree and type of anger in patients with depressive disorders.
안병훈(Byung Hoon Ahn),박선호(Sun Ho Park),김덕준(Deok Jun Kim),송달원(Dal Won Song) 대한두경부종양학회 1997 대한두경부 종양학회지 Vol.13 No.2
저자들은 30여년전 비인강 혈관 섬유종으로 방사선 치료를 받은 남자환자의 하악골에 발생한 방사선 속발골육종 1예를 경험하였기에 문헌 고찰과 함께 보고하는 바이다. Although primary surgical excision is the treatment of choice for the vast majority of patients with nasopharyngeal angiofibroma, radiation therapy is also employed as a primary tool or in the cases of tumor recurrence or massive intracranial extension. But, especially in young patients, postradiation sequelae such as osteomyelitis, atrophic rhinitis, thyroid or bone malignancy are of concern. Postirradiation osteosarcoma is a rare, but well-recognized complication of radiotherapy, which comprise roughly 2 to 5 percent of all osteogenic sarcoma. Recently we experienced a case of postirradiation osteosarcoma of the mandible who had treated by radiation therapy for the nasopharyngeal angiofibroma 30 years ago, presently he is ongoing chemotherapy and relatively being well.
강우헌,안병훈,정만표,김호중,권오정,이종헌,김진국,한정호,이경수,Kang, Woo-Heon,Ahn, Byung-Hoon,Chung, Man-Pyo,Kim, Ho-Joong,Kwon, O-Jung,Rhee, Chong-H.,Kim, Jhin-Gook,Han, Jung-Ho,Lee, Kyung-Soo 대한결핵및호흡기학회 1998 Tuberculosis and Respiratory Diseases Vol.45 No.1
We report a rare case of primary tracheal malignent melanoma documented by careful clinical examination. Differentiation between primary and metastatic malignant melanoma is very difficult We conclude that this tracheal tumor is a primary malignant melanoma based on characteristic pathologic features and the exclusion of the possibility of spontaneous regression of the primary site by patient's history and physical examination.