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왕성근,김덕호 충남대학교 의과대학 지역사회의학연구소 1990 충남의대잡지 Vol.17 No.2
To identify the characteristics of anxiety in anxiety and depressive neurotics, the authors applied Zung's Self-Rating Anxiety Scale(SAS) to the anxiety (30 patients) and depressive (42 patients) neurotic patients, and tried factor analysis using SPSS/PC^+ based on the score of each item of SAS. The results were summarized as follows: 1. In the group of depressive neurotic patients, 4 factors were extracted as, somatic symptom, faintness, dizziness, and dyspnea factor. 2. In the group of anxiety neurotic patients, 4 factors were extracted as, somatic symptom, restlessness, anxiousness, and headache facotor.
곽승근,천재민,박남숙,박상은,박수진,윤환중,김삼용,조덕연 충남대학교 의학연구소 2003 충남의대잡지 Vol.30 No.2
Megaloblastic anemias are disorders caused by impaired DNA synthesis and chara-cterized by the presence of megaloblastic cells. Clinical data on these disorders in Korea are limited. The aim of this study was to analyze clinical characteristics of megaloblastic anemias caused by vitamin B12 deficiency. We identified 40 cases who were diagnosed as megaloblastic anemia from January 1993 to December 2002 in a retrospective study on the basis of chart review. We investigated the annual distribution of diagnosed patients, clinical manifestations and response to treatment. 19 cases were complicated with a previous total gastrectomy(gastrectomy group) and 21 cases had no history of surgical operation(non-gastrectomy group). The most common presenting complaint was generalized weakness. The median age at diagnosis was 7(range: 38-79) years in non-gastrectomy group. The mean pos-toperative duration was 7(range: 4-25)years in group of total gastrectomy and mean level of serum vitamin B12 was lower than 100 pg/mL in both group. Peripheral blood revealed thrombocy-topenia, macrocytic anemia and hypersegmented neutrophil in all cases. After treatment of pareliteral vitamin B12, Their clinical symptoms and hematologic findings improved except two patients who had bone marrow with lower cellularity. Cobalamin replacement after total gastrectomy is still missing. Diagnoses are made too late in a population of patients, resulting in irreversible neurological sequale, and we suggest that Pernicious anemia seems not to be very rare in Korea.
일부 남자 젊은 성인에 있어서 수면에 대한 Phenobarbital의 효과
왕성근,김덕호 大韓神經精神醫學會 1991 신경정신의학 Vol.30 No.5
To identify the effects of phenobarbital on the sleep patterns. the author applied polysomnography to the 15 healthy male young adults. The subjects were examined before and after intravenous injection of the phenobarbital-sodium(100mg). Compared to baseline. sleep continuities and sleep stages were changed after injection of the phenobarbital. Sleep latency was decreased. Stage 2 sleep and 4th & 5th fractions of REM cycle were increased. These changes were statistically significant with p<0.05 and p<0.005 respectively. TST, SE, REM latency & REM cycle tended to increase and W.A.S.O., stage 1 sleep time, average REM sleep time & REN number tended to dcrease, but these effects were not statistically significant. 1st, 2nd & 3rd fractions of REM duration tended to shorten and 4th & 5th fractions of REM duration tended to lengthen,but these effects were not statistically significant. During the first half of the night, SWT tended to increase and WASO tended to decrease, but these effects were not statistically significant. Average REM duration, SWT, 1st, 2nd & 3rd fractions of REM cycle and SWT & WASO during the last half of night were not different. These results were consistent with the reports of previous studies.
薛秀德,韓丞完,金東建,文德柱 동아대학교 공과대학 부설 한국자원개발연구소 1988 硏究報告 Vol.12 No.2
The thermal degradation behavior of the homopolymer poly(methyl methacrylate) (PMMA) and styrene-co-acrylonitril (SAN) as well as their mixture were carried out using the thermogravimetric and infrared spectroscopy method in the stream of various gases. The activation energies evaluated by the reported various kinetics equations except PMMA80%-SAN20% Mixture agreed with each other very well. The thermal degradation of PMMA and SAN mixture were considered to be carried out by the main chain scission.
중독한 추체로 증상을 보인 cyclosporine에 의한 뇌증 1예
강정현,곽승근,신현영,김성은,이정호,이정찬,곽상혁,윤환중,조덕연,김삼용,김제,송창준 충남대학교 의과대학 지역사회의학연구소 2000 충남의대잡지 Vol.27 No.1
The use of cyclosporine(CsA), a potent immunosuppressive agent, is associated with numerous side effects. Neurotoxicity was earlier less well known, but with growing experience central nervous system side effects are now reported up to 40% of patients. Among various CsA-induced neurotoxicities, tremor is most common and posterior leukoencephalopathy is well characterized. An encephalopathy presenting with pyramidal weakness, however, seems to be rare and poorly documented. We report here a case of encephalopathy presenting with multiple generalized seizures followed by fluctuating quadriparesis developed a few days after starting CsA and resolved spontaneously after withdrawal of the drug . A 48-year-old woman with aplastic anemia was placed upon immmunosuppressive treatment consisting of antithymocyte globulin(ATG), CsA, and methylprednisolone. Two days after starting the therapy, she developed a generalized seizure. The next day she developed 2 more episodes of seizure and the therapy was stopped. Computed tomogram of the brain was normal. Six days after starting therapy, she developed mild motor weakness and paresthesia of both lower extremities, which progressed to a definite quariparesis confining her to a bed in 3 days. Magnetic resonance imaging(MRI) of the brain revealed asymmetric, bilateral high-signal abnormalites in the subcortical white matter of fronto-temporal areas. After reaching to a maximum with some fluactuation(14 days after starting the therapy) the motor weakness started to be resolved. She was discharged with a almost complete resolution of the weakness 45 days after starting the therapy. Five months later she did well and brain MRI was negative.
이정찬,박수진,박상은,곽승근,신현영,김성은,이정호,윤환중,조덕연,김삼용 충남대학교 의과대학 지역사회의학연구소 2001 충남의대잡지 Vol.28 No.1
Although the Working Formulation is commonly used to classify NHL in Korea, it has been recognized as imperfect for primary extranodal lymphoma, expecially for patients with nasal, paranasal disease because of their histological characteristics. Angiocentric T/NK cell lymphoma remains rare clinical presentation in North America and Europe but is more common in Asia and Latin America. The optimal mode of treatment has also not been decided on, probably because of their rarity and limited understanding of its natural course. The aim of this study was to analyze our experience with 14 patients with angiocentric lymphoma seen at the Chungnam Natioanl University Hospital over the last 5 years. We reviewed the records of 14 patients who were treated at the Chungnam National University Hospital between January, 1996 and December, 2000. The angiocentric T/NK cell lymphoma accounted for about 8.2% of NHL. The median age was 52.5 (range 36-71) years. Sex ratio was equal. According to the Ann Arbor staging system, disease was classified as stage Ⅰin 3 patients, stage Ⅱ in 8 patients and stage Ⅳ in 3 patients. Systemic B symptoms were present in only four patients in only four patients. All patients has extranodal involvement. The most frequently involved extranodal sites were nasal cavity followed by paranasal sinuses and orpharynx. The most common presenting symptoms were nasal obstruction with purupent rhinorrhea followed by dysphagia. According to the International prognostic index (IPI), most patients was in low-risk group (11 patients). Nine patients responded completely. Seven patients were received combination chemotherapy and 2 patients had radiation therapy as a initial treatment. Five patients were relapsed. After a median follow-up of 660.5 days, the overall survival and disease-free survival rates at 3 years was 56.8% and 42.9% respectively. The median survival time was not yet reached. The median overall survival time was 1338.5 (range 1212-1564) days for non-relapsed and 733.4 (range 302-1008) days for relapsed patients. The median time from CR to relapse was 100.5 (range, 39-159) days. There were limitations to know enough about the characteristics of angiocentric T/NK cell lymphoma because of a small number of patients. In the future, multicenter trials will be neccesary to identify clinical characteristics, optimal treatment mordalities and their responses, and prognostic factors.