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Hypersensitivity Reaction Incidence Patterns and Risk Factors of Iodinated Contrast Media
김동휘(Dong-Hwi Kim),문종현(Jong-Hyeon Mun),김준환(Jun-Hwan Kim),윤승완(Seung-Wan Yun),박환상(Hwan-Sang Park),김창곤(Chang-Kon Kim),김영덕(Yeong-Deok Kim) 대한CT영상기술학회 2023 대한CT영상기술학회지 Vol.25 No.1
본 연구의 조사 대상은 본 원 에서 요오드화 조영제를 정맥으로 투여받고 CT 검사를 시행한 72,910명과 과거 조영제 과민반응을 겪었던 환자 2,798명을 대상으로 후향적 조사를 시행하였다. 나이, 성별, 과민반응 증상, 조영제 과민반응 기왕력 환자 전처치방법, 사용한 조영제 등을 분석하였다. 조영제 과민반응 발생은 여성과 60대 미만에서 발생 위험이 높고 과거 조영제 과민반응기왕력이 있더라도 적절한 전처치 약물 투여, 조영제 성분 변경을 시행하면 과민반응 발생 위험이 감소한다. 조영제 성분별과민반응 발생률은 Iopromide가 유의하게 과민반응 발생률이 높았고, Iohexol과 Ioversol이 낮은 발생률을 보였다. 조영제 과민반응 재발을 예방하기 위해서는 전처치 약물 단독 사용보다 선행적으로 원인 조영제를 재사용하지 않고 다른 성분의 조영제로 변경하여 사용하는 것이 우선적으로 시행되어야 하고 더불어 전처치 약물 투여와 함께하는 것이 재발을 예방할 수 있을 것이다. The subjects of this study were 2,798 patients who experienced hypersensitivity reaction of contrast media among 72,910 who had had iodinated contrast media administered intravenously and CT examination at our hospital. Retrospective survey was conducted with these subjects. Their age, gender, hypersensitivity reaction symptoms, prepare methods for the patients who had previous hypersensitivity reaction of contrast media, and contrast media administered were analyzed. When it came to the hypersensitivity reaction incidence of contrast media, women and patients aged less than 60 had the high risk of the reaction. Even if patients had previous contrast media hypersensitivity reaction, their hypersensitivity reaction incidence risk was reduced as they had an appropriate premedication drug administered and contrast media were changed. Regarding the hypersensitivity reaction incidence rate by contrast media, Iopromide’s hypersensitivity reaction incidence rate was significantly high, whereas Iohexol and Ioversol had low incidence rates. In order to prevent contrast media hypersensitivity reaction recurrence, it is preferentially necessary to change a contrast media to a different one without reuse of causative contrast media, rather than to use a premedication drug only. Along with that, it is necessary to administer a premedication drug.
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.
일방향 응고법을 이용한 Mar M-247LC 초내열합금의 액상 물성 측정
김현철,이재현,서성문,김두현,조창용,Kim, Hyeon-Cheol,Lee, Jae-Hyeon,Seo, Seong-Mun,Kim, Du-Hyeon,Jo, Chang-Yong 한국재료학회 2001 한국재료학회지 Vol.11 No.9
Directional solidification experiments have been carried out at the solidification rates from 0.5 to 50$\mu\textrm{m}$/s in Mar M-247LC superalloy in which several important liquid properties were estimated by analyzing the interface stability and temperature gradient at the solid/liquid interface. The diffusion coefficient in the liquid was estimated by employing the constitutional supercooling criterion. The temperature gradients changed with solidification rates and latent heat of solidification. The thermal conductivities of solid and liquid could be estimated by heat flux balance at the solid liquid interface.
( Chang Hoon Lee ),( Myeung Su Lee ),( Kwi Young Kang ),( Su Jin Mun ),( Ji Min Kim ),( Ho Seung Yun ),( Seung Gi Kwak ),( Ji Hyeon Ju ),( Kyung Su Park ),( Ho Youn Kim ),( Sung Hwan Park ) 대한류마티스학회 2012 대한류마티스학회지 Vol.19 No.3
Objective. The aim of this study was to assess the gender differences in the clinical presentation and treatment patterns between Korean women and men with ankylosing spondylitis (AS). Methods. We retrospectively analyzed the data from extensive clinical assessments of 721 patients (162 women and 559 men) with AS, who were diagnosed at Seoul St. Mary`s Hospital, between January 2000 and September 2009. Clinical data, regarding the disease onset, disease duration, clinical presentations, status of human leukocyte antigen (HLA)-B27, and bone mineral density, were determined using a dual-energy X-ray absorptiometry (DEXA). Finally, we analyzed the medical treatments prescribed for these patients. Results. The ratio of men to women was 3.45:1. Compared to men, women were older at the time of diagnosis, had shorter disease durations, and were diagnosed in earlier stages of the disease. More women had a history of uveitis at diagnosis than men. Back pain was the main presenting symptom, and its prevalence was the same in both genders. Fewer women showed cervical and thoracic axial involvement than men. Initially, more women had wrist and hand pain than men; however, at some point, peripheral arthritis development was equally likely in both genders. Women experienced shoulder pain, during the disease course, more often thanmen. On the other hand, men presented with knee and hip pain more often than women. Sulfasalazine and anti-TNF agents were more often prescribed to women. Conclusion. The presentation and progression of AS showed a difference between women and men. Because of these differences, AS should be considered when a women presents with peripheral arthritis or uveitis in the early stage of the disease.
Head & Neck Computed Tomography에서 Dual Layer Detector CT를 이용한 가상 단일에너지의 유용성 평가
권문성(Mun-Seong Kwon),유현철(Hyeon-Cheol Yu),오창섭(Chang-Seop Oh),이민수(Min-Soo Lee),방용식(Yong-Sik Bang),한현석(Hyeon-Seok Han) 대한CT영상기술학회 2022 대한CT영상기술학회지 Vol.24 No.2
이중에너지 CT의 많은 기능 중 가상단일에너지 영상은 단일에너지 단계에 따라 조영증강이 증가하여 혈관의 가시성이 높아지거나, Beam hardening artifact를 감소시켜주는 등 기존에 고식적인 반복재구성법 방식과 비교 시 다양한 진단적 가치를 제공한다. 진단에 최적의 단일에너지 단계는 검사 부위마다 상이하며, 경부 CT 프로토콜에 있어서 진단에 최적인 가상 단일에너지영상의 단계를 정량적인 방법을 통해 찾고자 하였다. 본원에서 사용중인 Dual layer detector 방식의 IQon spectral CT(Philips, Amsterdam, Netherlands)에서 시행한 33명의 환자를 후향적으로 연구하였다. 평가부위는 총경동맥, 내경정맥, 흉쇄유돌근, 턱밑샘, 갑상선으로 지정하였고, 영상 평가의 지표로 신호 대 잡음비(SNR)과 흉쇄유돌근을 배경으로 설정한 대조도 잡음비(CNR)공식을 사용하였으며, IMR과 iDose mode의 반복적 재구성 영상과 단일에너지 40 keV부터 100 keV까지 10 keV 간격의 단계의 영상과 비교하였다. 비교영상들의 평균이 유의한 차이가 있는지 확인하기 위해 데이터의 정규성 검정을 한 후, 비모수 대응표본 검정인 Friedman test를 시행하였으며 모든 데이터는 서로 유의한 차이가 있었다. 실험 결과는 흉쇄유돌근을 제외한 모든 평가부위의 단일에너지 40 keV 영상에서 SNR 및 CNR이 가장 높게 측정되었다. 이는 단일에너지 40 keV 영상이 기존 임상에서 사용하던 반복재구성법 영상보다 정량적인 측면에서 좋은 화질과 높은 대조도를 제공하여 진단에 도움이 될 것으로 보이며, 검사에 사용되는 조영제의 양을 줄일 수도 있는 가능성을 제공하였다. Among the many functions of dual-energy computed tomography (CT), virtual monochromatic images provide various diagnostic values compared to conventional iterative reconstruction images, such as increasing visualization of intravascular iodine or reducing beam hardening artifact according to monochromatic image level. The optimal monochromatic image level for diagnosis differs for each applied anatomical site, In the neck CT protocol, we intend to find the optimal level of virtual monochromatic images for diagnosis through quantitative methods. We retrospectively studied 33 patients performed on dual layer detector type IQon Spectral CT (Philips, Amsterdam, Netherlands). The evaluation site was designated as the common carotid artery, internal jugular vein, sternocleidomastoid muscle, submandibular glands, and thyroid glands. As an indicator of image evaluation, the contrast-to-noise ratio (CNR) formula set against the background of sternocleido-mastoid muscle and signal-to-noise ratio (SNR) was used. The IMR and iDose iterative reconstruction images and the monochromatic Images 40 keV to 100 keV with the images at intervals of 10 keV were compared. After the normality test of the data was performed to check whether there was a significant difference in the mean of the comparative images, the Friedman test, a nonparametric response sample test, was performed, and all data were significantly different from each other. As a result of the experiment, SNR and CNR were measured the highest in the monochromatic 40 keV image of all evaluation sites except the sternocleido-mastoid muscle. Monochromatic 40 keV image is expected to help diagnose by providing better image quality and higher contrast in quantitative terms than the iterative reconstruction images used in existing clinical trials, and provides the possibility of reducing the amount of contrast medium used in the study.
치과위생사가 경험하는 무례가 조직성과에 미치는 영향에 대한 감정소진의 매개효과
조문미 ( Mun Mi Cho ),김진범 ( Jin Bom Kim ),권현숙 ( Hyeon Sook Kwun ),강창완 ( Chang Wan Kang ),이민경 ( Min Kyung Lee ),윤정원 ( Jung Won Yun ),정호진 ( Ho Jin Jeong ),이정화 ( Jung Hwa Lee ) 대한예방치과·구강보건학회 2019 大韓口腔保健學會誌 Vol.43 No.3
Objectives: Workplace incivility is experienced by dental hygienists, who perform a variety of tasks and roles in dentistry. Therefore, to enhance the performance of dental and medical institutions, it is necessary to identify dental hygienists experiencing incivility that affects the organizational performance. Methods: Over a two-month period from May 1 to June 30, 2015, dental hygienists from 30 dental and medical institutions in Busan, the North and South Gyeongsang Provinces, Daegu, Seoul, and the Gyeonggi Province were convenience sampled. Data, from a total of 344 participants, were analyzed using the SPSS and AMOS statistical analysis software. Results: Emotional exhaustion had a partial mediating effect on the relationship between patient incivility and job performance, a full mediating effect in relation to job satisfaction, and a partial mediating effect on the association with turnover intention. Meanwhile, emotional exhaustion had a full mediating effect on the relationships between superior incivility and job performance, as well as turnover intention, while a partial mediating effect in relation to job satisfaction. Conclusions: An in-depth review of interventions that can enable a mutually respectful working environment, and promote a healthy culture among dental hygienists in dental and medical institutions is needed.