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항균제 내성 대장균의 생태적 분포 Ⅲ. : Rifampicin, nalidixic acid, oxolinic acid와 sulfa 제제에 관하여
이광호,차창룡,국윤호,최명식,김익상,장우현,이승훈,신정식 대한화학요법학회 1983 대한화학요법학회지 Vol.1 No.1
We studied the differences in the MIC distribution of E. coli isolates, from a doctorless remote arwqwang Won. Do province+WD), a leprosarium (So Rock Do=SRD) and Seoul National University Gospital (SNUH> against rifampicin. nalidixic acid, oxolinic acid &a sulfa drags including co-trinoxawle. . So the widespread and prolonged- use of antimicrobial agents is presumed to facilitate the increase of drng-resistapt strains among the normal flora of the residents in a comunity that .the isolates from SNUH- were further divided into two groups, SNUH in-patient (IP) and SNUH out-patient(OP) and the isolates f p m SRD into DDS (isolates. from.leprosy patients.who are taking DDS only) and R f (isolates from leprosy patients who are taking rifampicin-.and DQS) grougs. Nnmber of, E. coli isolates studied were 93 st;ains from SNUH patients (SNUH-IP, 46; SNUF-OP, 43, 150 strains from SRD patients (SRD-DDS, 102; SRD-Rf,' 48) and 119 strains from 'KWD residents. DisLribntion of E. mli- strains a.mording to thir respective MTC's shows that E. coli possesses not only an intrinsic component in resistance (or susceptibility) to the drugs (rif-ampicin, 2-32 pg/ml; nafii%Xic a,cid, 1-16 pg/d; oxolinic acid, * 0.13-2 pg/ml; DDS, 32-1024 pg/ml; sulfadiazine, 2-256 pg/d, sulfamera&& 4-256 pg/ml; sulfadimethoxine, .16~1024 pg/ml; sdfamonornethoxine, ~-12~,pg&d; sulfamethoxazde, 2-128 pg/m&. trimetk0p-Irim, 0.06-2 pg/fnl; co-trimoxwole, 0,. 25-4 pg/ml) but also distinct MIC values of acquired resistance quite different from the intrinsic ones. The .carriage rate of rifampicin resistant strains in the SRD-Rf patients was the higheest among the study:groups while t m e , of SNUH patients and of the KWD residents were equally negligible, as expectediy. Drug-resistant E. coli strains against nalidixic acid and oxolinic acid were uncommon i n the SNUH, SRD and KWD isolates. However, resistance to sulfa drugs were prevalent in the SNUH, SRD and KWD isolates in the decreasing order. Taken together, these results strongly suggest that drug resistznce in Korea is a localized problem in some community under a high selection pressure of antimicrobial agents rather than a nation-wide one. Trimethoprim resistance gave rise to the high-level resistance 'to co-trimoxazde while the sulfamethoxazole resistance t o the low level resistance against the co-trimoxazole.
한국 농촌거주 정상인의 Leptospira Interrogans에 대한 항체보유율 현황
최강원,최성배,국윤호,장우현,우준희,박경희,강재승,차창룡,김양수,김석용,윤종구,김익상,이우곤,최명식,송영욱 대한감염학회 1988 감염 Vol.20 No.3
It has been well known that leptospiroisis is a one of the prevailing acute febrile diseases in Korea. In order to find out the incidence of past infection of L. interrogans among normal population, a total of 1,171 sera obtained from rural residents and tested by microscopic agglutination test. All of normal resident's sera were collected during July in 1987, just before epidemic season, at Keochang county(248 sera), at Wanju county(145 sera), at Wonseoung county(255 sera), at Cholwon county(411 sera) and at Kongju county(112 sera). Seropositive rate against L. interrogans among rural residents was 12.0% and ranged from 2.7% in Kongju county to 18.5% in Cholwon county. There was a higher seropositive rate in males and the majority of seropositives occurred in the age group over 30 yesrs. Icterohaemorrhagiae was a most commonly reacting serotype of L. interrogans and followed by CH-48 and Canicola. The sera reacted with Cynopteri, Ballum, Australis, and Pyrogenes were present also.
충청지역에서 발생한 쭈쭈가무시병의 임상상, 원인균의 혈청형 및 혈청역학적 연구
김선영,김윤성,박장규,윤태영,강재승,송인숙,최명식,최인학,차창룡,이우곤,박종우,이증훈,장우현,유영해,윤광혁,송계용 대한감염학회 1989 감염 Vol.21 No.2
From September to december 1987, eighty-six cases of tsutsugamushi disease were diagnosed by indirect immunofluorecent test or by isolating the causative agent in Chungcheung area. Their clinical features and patterns of antibody response to R. tsutsugamushi were analyzed. For the indenfication of prevalent antigenic types of R. tsutsugamushi in Chungcheung area, twenty-seven strains isolated were tested by indirect immunofluorescent test. To assess the extent of exposure to R.tsutsugamushi of a general population in Korea, the prevalence of antibody was investigated in 6,572 sera obtained from the residents of Chungcheung area by indirect immunofluorescent test. The female patients slightly outnumbered the male patients. More cases (68%) were older than 40 years of age. The epidemic peaked in October. The mean incubation period estimated was about 8 days. The major clinical features were fever and chill, headache, rash, eschar, and lymphadenopathy. Increased serm transaminase was the most singificant laboratory findings. Abnormalities in the chest roentgenography were often observed. The antibody titer rose rapidly 5 days after the onset, reached its peak at 20 days (1:640), and then declined agradually until 7 months(1:20). The seroype of 23 out of the 27 isolates wase found to be karp, one was Gilliam, and 3 isolates could not be classified by using polyclonal mouse hyperimmune sera. The prevalence of antibody to R.tsutsugamushi in the residents of Chungcheung area was 4.8%. The prevalence of antibody was higher in the female than in the male. The prevalence was higher in the residents of age above 40 years than below 40 years, and was the lowest in the children less than 10 years of age. Of the 318 positive sera from normal residents, only 2 sera showed the titers higher than 1:80.