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이종후 ( Jong Hoo Lee ),이재천 ( Jae Chun Lee ) 대한내과학회 2012 대한내과학회지 Vol.83 No.5
Background/Aims: Airway hyperresponsiveness (AHR) is one of the typical characteristics of asthma. However, its natural course is unknown. The presence of AHR is often not assessed in asthmatics undergoing medical treatment. We investigated the changes of AHR as compared with clinical parameters in patients with mild asthma. Methods: We enrolled patients who were diagnosed with asthma, but were asymptomatic for > 3 months while undergoing medical treatment. AHR was measured using a methacholine bronchial provocation test after a 2-week washout period. AHR-negativity was defined as a PC20 > 25 mg/mL. Clinical parameters were retrospectively compared between the AHR-negative and -positive patients. Results: Among 54 patients, 22 (40.7%) were AHR negative. Factors associated with the maintenance of AHR were male sex, presence of dyspnea, and high-dose inhaled corticosteroid plus long-acting beta agonists at initial presentation (respectively, p < 0.05). Age, symptoms other than dyspnea, blood tests, results of spirometry, diagnostic methods at presentation, and time from diagnosis to follow-up testing were not significantly different between AHR-negative and AHR-positive patients. Multivariate analyses failed to show a significant difference between the two groups, except for male sex (p = 0.014). Conclusions: Approximately 40% of patients with mild asthma show no AHR or clinical remission of the disease. Male sex may be a predictive factor for persistent AHR. However, altered AHR status is not predictable in patients with mild asthma undergoing medical treatment. Therefore, the cessation of regular controller might be advocated, and reassessment of AHR should be mandatory. (Korean J Med 2012;83:598-605)
홍종욱 ( Jong Wook Hong ),한요셉 ( Yo Seb Han ),이종후 ( Jong Hoo Lee ),김남훈 ( Nam Hoon Kim ),임근우 ( Keun Woo Lim ),정용희 ( Yong Hee Joung ),동석호 ( Seok Ho Dong ),김효종 ( Hyo Jong Kim ),김병호 ( Byung Ho Kim ),장영운 ( You 대한소화기학회 2004 대한소화기학회지 Vol.44 No.5
Hemobilia is a hemorrhage into the biliary tract that may follow surgical trauma, liver biopsy, aneurysms, extra-or intra-hepatic tumors of the biliary tract, gallstones, and inflammatory lesion of liver, especially helminthic or pyogenic. Sometimes, it i
김지영 ( Ji Young Kim ),이재천 ( Jaechun Lee ),이종후 ( Jong Hoo Lee ),성길명 ( Gil Myeong Seong ),정선영 ( Sun Young Jeong ),현창림 ( Chang Lim Hyun ) 대한천식알레르기학회 2012 천식 및 알레르기 Vol.32 No.1
Background: Asthma is characterized by the symptoms of breathlessness, wheezing, chest tightness and cough, and variable airflow limitations that are reversible spontaneously or with treatment. The symptoms may be exacerbated by aggravating factors, such as exercise. Case History: A 45 year old female patient presented at our clinic with breathlessness, chest tightness, wheezing and cough, especially during and after exercise. She visited regional hospitals, had undergone diagnostic bronchial provocation tests with methacholine and exercise, and had received medical treatments for asthma. Results: At presentation, spirometry exhibited an abnormal flow-volume curve, which was confirmed as large airway narrowing by chest computed tomography and bronchoscopic examination. Pathologic examination revealed focal calcification under the normal airway surface without inflammation. Conclusion: We report the case of idiopathic tracheobronchial stricture in a patient with asthma-mimicking symptoms. (Korean J Asthma Allergy Clin Immunol 2012;32:61-65)
완치된 결핵환자에서 발생한 Mycobacterium szulgai 폐질환
최재호 ( Jae Ho Choi ),이은정 ( Eun Jung Lee ),김은영 ( Eun Young Kim ),김현수 ( Hyun Soo Kim ),박지영 ( Ji Young Park ),이종후 ( Jong Hoo Lee ),유지홍 ( Jee Hong Yoo ),최천웅 ( Cheon Woong Choi ),김교영 ( Gou Young Kim ),정상완 ( 대한결핵 및 호흡기학회 2012 Tuberculosis and Respiratory Diseases Vol.72 No.1
Mycobacterium szulgai is a rare nontuberculous mycobacterium found in Korea. It is an opportunistic pathogen and is usually isolated from patients with a history of alcoholism, chronic pulmonary disease, or an immunocompromising condition. We present here a case of M. szulgai isolated from a patient with a history of pulmonary tuberculosis. A 54-year-old man was admitted with dyspnea and febrile sensation. He had a history of pulmonary tuberculosis which occurred 30 years earlier and treatment with anti-tuberculosis medication. His chest computed tomography scan showed cavitary consolidation in both upper lungs. A sputum acid-fast bacilli (AFB) smear was positive and anti-tuberculous medication was started. However, a polymerase chain reaction for mycobacterium tuberculosis was negative and anti-tuberculous medication was stopped. M. szulgai was isolated on 3 separate sputum and bronchial wash fluid AFB cultures. He was treated with clarithromycin, rifampicin, and ethambutol. After 1 month, a sputum AFB smear and culture became negative and no additional M. szulgai were isolated during a 16-month treatment.
상부 위장관 조영 검사 전 동영상 시청을 통한 검사 효율성 증대 방안
김희정(Hee Jung Kim),백인석(In Suk Baek),이재일(Jae Il Lee),이종후(Jong Hoo Lee),김미경(Mi Kyung Kim),김욱동(Wook Dong Kim) 대한영상의학기술학회 2009 대한영상의학기술학회 논문지 Vol.2009 No.-
Purpose : Upper Gastrointenstinal(UGI) fluoroscopy examination make a diagnosis of the early gastic cancer. The exam have being incresed every year, but it is limited and patients feel dissatisfation. As We made and show test video, We want to make patients understood the exam and improve the satisfaction. Materials and methods : May-September 2008, Patients for cancer of the stomach to the survey was implemented in National Health Insurance Corporation. We were research two times. first was verbal description, second was test video watching. 340 people were responding to the survey. 120 people were men(35%), 220 were women(65%). Among all age groups, 40 age group were 72 people(21%), ED age group were 130 people(38%), over 60 age group were 138 people(41%). 153 of 340 people have experience this exam before. We compared fluoroscopy time average, satisfaction, understanding of UGI test through the data surveyed. Results : ‘Do you satisfied with description of pre-test?’ to the question of people prefer watching movies more (increase 25%). ‘Description of pre- test was helpful?’ to the question of people were increase 25% in satisfaction. ‘What is most satisfied parts?’ to the question of people were select description of pre-test. The second increase in two times. It was compared to the first survey. ‘What is most dissatisfactory parts?’ to the question of people were select waiting time. However it can be decrease through description of pre-test. Also Decrease in test time is possible through description of pre-test. Conclusion : As medical services is getting proved, we have to explain the examination. Now it is not optional but necessary. Showing the video before the examination, it helps them understood about the examination. This research demonstrates that test video improves the interest of examination and satisfaction. As the examination time is reduced, moreover, more examination supply demand for people. For the future Making the test video that it have people understood easily apply to different examinations.
李鍾厚 東亞大學校 1966 東亞論叢 Vol.3 No.-
Suppose that we have a population consisting of a finite Number N of individuals, and N individuals are composed of r attributes b₁………?? the number of ?? being ?? of individuals; that is N=N₁+…+??. Let us draw a random sample of n individuals without replacement and suppose to get the number ?? of individuals in the sample possessing the attribute ??, which is n=f+ …?? The writer observed the standard error of a difference of proportions ??/n - ??/n (i≠k ; i, k=1, ……, r).
線型假說에 依한 尤度比 檢定法 및 尤度比 分布의 誘導過程에 關한 考察
李鍾厚 東亞大學校 1963 東亞論叢 Vol.1 No.-
The purpose of this note is to give a new proof for the likelihood ratio test and its distribution on the linear hypothesis. First, the likelihood ratio test is induced by the theory on the test of the linear hypothesis from "A Survey on Modern Mathematical Statistics by Koichi Miyazawa" which discusses quadratic forms, orthogonal transformations, and Cochran's theorem Then, the auther has shown a proof that the distribution of the likehood ratio function is related to non-central-χ²-distribution, by making use of the results of the above inducing process.