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골격성 제3급 부정교합환자의 하악지 시상분할 골절단술후 하안면 폭경 및 고경의 변화에 대한 두부계측 방사선학적 연구
장현석,임재석,권종진,이부규,손형민 대한악안면성형재건외과학회 2000 Maxillofacial Plastic Reconstructive Surgery Vol.22 No.3
Purpose : The purpose of this study was to analyze the lower third facial changes in frontal view after mandibular setback surgery. Materials and Methods : In this study, fifteen subjects(6 males and 9 females) with class III dental and skeletal malocclusions who were treated with BSSRO(Bilateral Sagittal Split Ramus Ostetomy) were used. Frontal cephalometric radiographs were taken preoperatively and more than 6 months postoperatively, and hard tissue(H2-Hl) and soft tissue changes (S2-S1) were measured on vertical and horizontal reference lines. In 15 cases, changes which developed more than 6 months after surgery were studied. Results : The results were as follows. 1.In the facial height, hard tissue decreased(2.46±2.76mm) with statistical significance(P<0.01), and soft tissue also decreased(1.64±3.66mm). As a result, the facial height generally becomes shorter after sagittal split ramus osteotomy. 2.In the mandibular width, hard tissue decreased(2.08±3.59mm) with statistical sgnificance(P<0.05), but soft tissue increased (2.14±5.73mm) without statistically significant difference (P>0.05) postoperatively. 3.In the facial index, hard tissue decreased(0.23±2.21%), but soft tissue increased(2.41±3.46%) with statistical significance. Conclusion : One of the main purpose of orthognathic surgery is to achieve facial esthetics and harmony. In order to fullfill this purpose, it is important to carry out a precise presurgical treatment planning by estimating the changes of frontal profile after surgery.
중국 덕주 지역의 구순구개열 의료 봉사 활동 보고 및 치험례 발표
이원덕,이부규,최진영,김종렬,오용석,민병일,김명진,Lee, Won-Deok,Lee, Bu-Kyu,Cho, Jin-Young,Kim, Jong-Ryul,Oh, Yong-Seok,Min, Byoung-Il,Kim, Myung-Jin 대한악안면성형재건외과학회 2009 Maxillofacial Plastic Reconstructive Surgery Vol.31 No.5
Il Woong Cleft lip and palate foundation was founded in 1968 by Professor emeritus Byoung-Il Min. Since then the foundation has operated numerous cleft lip and palate patients not only in Korea but also in under-developed countries such as Vietnam, China, and Cambodia. In December 2005, the foundation was allowed as an incorporated association by Ministry of Foreign affairs and Trade, so that it could have official status. From March 6th 2009 to March 14th 2009, we conductp,d charity cleft lip and palate operations of 23 patients in areas of Deozhou, China. Hereby we present the results of operations.
서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1997)
김재홍,문득곤,김정수,김용준,임동진,박상훈,김희성,이민수,송기훈,김갑형,김형석,성소영,이인섭,김석우,황지환,조창근,김경문,부태성 대한화학요법학회 2000 대한화학요법학회지 Vol.18 No.3
Background : In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. Objective & Methods : For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results : In 1997. 99 strains of N. gonorrhoeae were isolated, among which 45(45.5%) were PPNG. Conclusion : The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 45.5% in 1997.
서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1996)
김재홍,황동규,전재홍,김윤석,김중환,김용준,이창균,임동진,김현수,조창근,김경문,박상훈,전우형,김희성,이호정,차명수,김갑형,김형석,김석우,황지환,박병순,권오상,이민수,송기훈,성소영,이인섭,부태성 대한화학요법학회 1999 대한화학요법학회지 Vol.17 No.2
Background : In recent years, gonorrhea has been panedemic and remains one of the most commom STDs in the world, especially in developing countries. Objective & Methods: For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we have been trying to study the patients who have visited the VD Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results: In 1996, 139 strains of N. gonorrhoeae were isolated, among which 53(39.0%) were PPNG. Conclusion: Our results suggests that after a peak of 74.3% in 1993, the prevalence of PPNG in Seoul is gradually declining.
Factors related with quality on sleep of daytime workers
Bu-il Kim,Seong-yong Yoon,Jin-seok Kim,Kuck-Hyeun Woo,Seong-yong Cho,Ho Lee,Jong-min An 대한직업환경의학회 2018 대한직업환경의학회지 Vol.30 No.-
Background: This study was conducted to identify the sleep status of daytime workers who do not work in shifts. This study analyzed factors affecting sleep duration and sleep quality. Methods: This study was conducted on 1171 daytime workers at a manufacturing workshop. We used a selfadministered questionnaire to investigate demographic variables, work type, working period, musculoskeletal symptoms and the Pittsburgh Sleep Quality Index to assess sleep. Regular health checkup was conducted for the worker’s clinical examination. Results: The mean sleep duration was 6.36 h and the mean score on the Pittsburgh Sleep Quality Index was 4.46. Work type and obesity were related to sleep duration. Age, obesity and musculoskeletal pain were significantly related to sleep quality. The prevalence ratio of researcher group for short sleep duration was 1.27 (95% confidence interval: 1.02–1.58). The prevalence ratio of those aged 50 years and over was 0.47 (0.25–0.91) and of those in their 40s was 0.56 (0.35–0.91) for poor sleep quality compared to those in their 20s. The prevalence ratio of the obesity group for poor sleep quality was 1.53 (1.10–2.12). The prevalence ratio of musculoskeletal pain group for poor sleep quality was 1.92 (1.29–2.84). Conclusions: Age, obesity and musculoskeletal pain were factors affecting the poor quality on sleep of daytime workers. In addition, work type related to short sleep duration.
횡문근융해증과 경한 신손상을 동반한 급성 A형 간염 1예
조규민,김창욱,성현진,허준,전부석,이종환,심은희,이석종,이창돈 영남대학교 의과대학 2012 Yeungnam University Journal of Medicine Vol.29 No.1
A 48-year-old male visited the emergency room of the authors’ hospital due to nausea, vomiting, and myalgia for four days. Acute hepatitis A was identified from the serologic marker of the hepatitis A virus. Mild elevation of the serum creatinine and creatinine phosphokinase(CPK) suggested rhabomyolysis, which was confirmed with the serum aldolase, myoglobin, and urine myoglobin. With supportive care, both the liver and renal func- tions were recovered gradually and fully. This case shows that rhabdomyolysis can be one of the mechanisms of renal complication in cases of acute symptomatic hepatitis A.
Lee, Bu Hyung,Kim, Sung Ho,Kwon, Soo Il,Kim, Jae Seok,Kim, Gi-sub,Park, Min Seok,Park, Seungwoo,Jung, Haijo Korean Society of Medical Physics 2016 의학물리 Vol.27 No.3
As the probability of exposure to radiation increases due to an increase in the use of radioisotopes and radiation generators, the importance of a radiation safety management field is being highlighted. We intend to help radiation workers with exposure management by identifying the degree of radiation exposure and contamination to determine an efficient method of radiation safety management. The personal exposure doses of the radiation workers at the Korea Institute of Radiological & Medical Sciences measured every quarter during a five-year period from Jan. 1, 2011 till Dec. 31, 2015 were analyzed using a TLD (thermoluminescence dosimeter). The spatial dose rates of radiation-controlled areas were measured using a portable radioscope, and the level of surface contamination was measured at weekly intervals using a piece of smear paper and a low background alpha/beta counter. Though the averages of the depth doses and the surface doses in 2012 increased from those in 2011 by about 14%, the averages were shown to have decreased every year after that. The exposure dose of 27 mSv in 2012 increased from that in 2011 in radiopharmaceutical laboratories and, in the case of the spatial dose rate, the rate of decrease in 2012 was shown to be similar to the annual trend of the whole institute. In the case of the surface contamination level, as the remaining radiation-controlled area with the exception of the I-131 treatment ward showed a low value less than $1.0kBq/m^2$, the annual trend of the I-131 treatment ward was shown to be similar to that of the entire institute. In conclusion, continuous attention should be paid to dose monitoring of the radiation-controlled areas where unsealed sources are handled and the workers therein.
적외선열화상 이미지법과 패턴 인식을 이용한 철도차량 회전기기의 비파괴 진단
권석진(Seok Jin Kwon),김민수(Min Su Kim),서정원(Jung Won Seo),강부병(Bu Beong Kang) 한국비파괴검사학회 2016 한국비파괴검사학회지 Vol.36 No.4
차량 부품의 고장은 운용 중단과 탈선 결과로 나타날 수 있으며 차량 주요부품의 이상상태를 진단하는 것은 중요하다. 온도를 이용한 진단 방법은 철도차량 회전기기의 –예를 들면, 베어링, 감속기, 견인전동기, 디스크- 비정상 상태를 진단하는 기본적인 방법이다. 본 연구에서는 적외선열화상과 패턴 이미지법을 이용하여 차량 하부의 회전기기의 이상 진단시스템을 구축하여 현장시험을 수행하였다. 그 이상상태 진단시스템은 차량 하부 회전기기의 이상발열 상태를 진단할 수 있었으며 비정상 상태를 평가할 수 있었다. The faults in railway vehicle components may result in either the stoppage of the service and the derailment of the vehicle. Therefore, it is important to diagnose and monitor the main components of a railway vehicle. The use of temperature is one of the basic methods for the diagnosis of abnormal conditions in the rotational components of a railway vehicle, such as bearings, reduction gears, brake discs, wheels and traction motors. In the present study, the diagnose of the rotational components using infrared thermography and a pattern recognition technique was carried out and a field test was performed. The results show that this method of diagnosis using infrared thermography can be used to identify abnormal conditions in rotational components of a railway vehicle.