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서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)
김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1
In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(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 menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. 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 64.5% in 1998.
ATM 망에서 Best Effort와 Guaranteed 버스트 서비스 클래스에 대한 폭주제어 방식
이우승,문규춘,박광채 조선대학교 에너지.자원신기술연구소 2000 에너지·자원신기술연구소 논문지 Vol.22 No.1
In ATM networks, we must distribute the bandwidth to use efficiently the channel and to satisfy the communication QoS(Qua1ity of Service) of traffics. However, since the required communication QoS is different according to traffics, it is expected that the congestion control scheme is improved by assigning priorities in each traffic and by controlling the priority. In this paper, congestion control schemes using the adaptive rate control for ATM LANs are presented. It is preferable for hosts in LANs to be able to send bursts at the same speed as the interface link speed in a lightly loaded condition, and as the network load increases, to reduce their traffic rate adaptively in order to avoid network congestion. We propose to apply such a rate control concept for two different traffic classed in the ATM LANs. For the first traffic class requiring no bandwidth reservation, i.e, a best effort service class, a combination of the end-to-end adaptive peak rate control with the link-by-link backpressure control is proposed. For the second traffic class, requiring the bandwidth reservation for the burst transmission, i.e. a guaranteed burst service class, a combination of the adaptive peak rate control with the fast bandwidth reservation is proposed.
성인원외폐렴의 원인미생물에대한 전향적 다기관 연구 : 성인원외폐렴의 원인으로 세균의 역할을 중심으로
우준희,강재명,김양수,신완식,류진홍,최정현,김양리,정희진,어수택,박춘식,정문현,정기석,이찬주,류지소 대한감염학회 2001 감염 Vol.33 No.1
Background : Communite-acquired peumonia (CAP) is one of the leading causes of mortality and morbidity. Despite progress in diagnostic techniques and treatments, management of pneumonia remains challenging, because the precise etiology remains uncertain in as many as 49% of cases. The limitaions of identifying etiologic agents make it necessary to use empiric antibiotics in almost all patients, and furthermore emergence of antibiotic-resistant organisms pose difficulties to the selection of an empiric antibiotic regimen. For the optimal choice of empirical antibiotics, we should know the frequency of etiologic agents and antimicrobial resistance rates in the community. Methods : A prospective multicenter study of community-acquired pneumonia in Korea was carried out between May 1997 and April 2000. The microbiologic diagnosis was based on the results of sputum culture, blood culture and pleural culture. Results : Five hundred eighty eight cases of community-acquired peumonia in 562 patients admitted to the hospitals. The mean age was 59.9 with male predominance (58.3%), and 370 (63%) had underlyin gillness. The etiologic agents were identified in 38.3%, and the list of individual agents, in decreasing order, was Streprococcus pneumoniae (21.7%), Klebsiella pneumoniae (14.8%) Pseudomonas aeruginosa (9.8%), Staphylococcus aureus (9.5%), viridans group streptococci (5.7%), Enterobacter cloacae (4.2%), Hemophillus Influenza (3.8%), The rates of admission to the intensive care unit was 10.4%. The motality was 7.1%. Susceptible rates of S. pneumoniae to penicillin was 36.6% and showed multidrug resistant. Forty percents of S. aureus were methicillin-resistant S. aureus. K. penumoniae were susceptible to cephalosporin and quinolone. Conclusion : In Korea, S.pneumoniae is the most important agent causing community-acquired pneumonia. Susceptible rates of S. pneumoniae to penicillin was 36.6% and showed multidrug resistant. Gram negative bacteria such as K. pneumoniae, P. aeruginosa showed high incidence when compared with that of other countries. Most of them had underlying diseases including bronchiectasis and chronic obstructive pulmonary diseases. (Korean J Infect Dis 33:1∼7, 2001)
이우진,조문식,김준순 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2
Purpose : We report a case of corneal perforation and descemetocele which was treared with multilayer amniotic membrane transplantation. Patient and Methods : A male patient was referred to the Department of Ophthalmology, Soonchunhyang University Cheonan Hospital for the management of corneal perforation from long-standing persistent epithelial defect and stromal lysis. Three to four layers of cryopreserved amniotic membrane were applied to the perforation site and anchored with interrupted 10-0 nylon sutures for the purpose of restoring the integrity of the eye and regaining corneal thickness. Postoperatively, the patient was treated with topical antibiotics, corticosteroids and autologous serum eyedrops. Result : Multilayer amniotic membrane transplantation was successful in sealing the corneal perforation. The cornea remained stable with no further leakage of the aqueous postoperatively and no signs of infection and rejection were noted. Also, restoration of the corneal thickness was observed to a considerable amount. Conclusion : Multiplayer amniotic membrane transplantation allowed a successful repair of corneal perforation and seems to be an excellent alternative to tissue adhesive, patch graft, conjunctival flap, or even panetrating keratoplasty for treating corneal perforations.
植物凝集素 Agastache rugosa와 닭赤血球에 의한 사람 唾液의 型分類에 關한 硏究
李憂晶,文國鎭 고려대학교 의과대학 1990 고려대 의대 잡지 Vol.27 No.1
In order to classify the human saliva with the use of the serological characteristics of Agastache rugosa extract, agglutination inhibition tests of phytagglutinin, Agastache rugosa and chicken red blood cells were performed, using 268 human saliva specimens. The relationship of the newly classified saliva types with the established saliva types, blood groups, and serum types was compared statistically. On the other hand, the agglutination inhibition tests were also carried out using the saliva stains in the same methods and this result was compared with the result of those using the fresh salivas. The results obtained could be summarized as follows : 1. Human saliva could be classified into two groups. One group inhibited the agglutination activity of Agustache rugosa extract to chicken red blood cells and the other did not. The frequency of the former was 54% and the latter was 46% among the investigated 268 human salivas. 2. The classification and distribution of the new saliva types, inhibitor and non-inhibitor, showed no constant relation with those of the known saliva types, secretor and non-secretor, and the saliva types which were classified by the agglutination inhibition pattern of Agustache rugosa extract and human red blood cells. 3. The classification and distribution of the new saliva types showed no constant relation with those of the known blood groups and serum types, such as ABO, MN, ARI-ch and ARN-ch, IPO and NPO, and ICO and NCO respectively. 4. This new classification of human saliva type may be applicable for the classification of human saliva stains.