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알레르기성 비염 환자에서 절지동물성 특이항원의 양성율 및 항원간 일치율
황규윤,남해선,박준수,권준택,백병준,김장묵,오천환,조성란 순천향의학연구소 2000 Journal of Soonchunhyang Medical Science Vol.6 No.2
The current study was designed to evaluate the positive rates of arthropod allergens by Korean inhalant panel of MAST-CLA in patients with allergic rhinitis. One hundred sixty patients, diagnosed to allergic rhinitis in an Out Patient Center of Soonchunhyang University Chunan Hopsital during Aug 1998 to July 2000, were studied. 1. The overall positive rate among 35 specific allergens was 59.4% (95 patients). 2. The arthropod related allergen accounted for 82.1% (78 patients) of the positive rate. 3. Each positive rate of Dermatophagoides farinae (Df), Dermatophagoides pteronyssinus (Dp), house dust (Hd), and cockroach mix (Cm) was 45.0% (72 patients), 43.1% (69 patients), 28.1% (45 patients), and 8.8% (14 patients), respectively. 4.Significant agreement between arthropod allergens was observer (P < 0.05). 5. The obseved agreement between Df and Dp was 95.6%, showing most significant Kappa index (Kappa = 0.911, P < 0.001). There results suggested that although MAST-CLA is a useful measure of identifying specific allergens, the specificity of two mite allergen relatively low, implying because of common allergen between mites in Korean panel of MAST-CLA. Our data also supported that arthropod is the major cause of allergen in patients with allergic rhinitis, however, the MAST-CLA should be modified in order to exclude common allergen of mite and to include more specific mite allergen.
임신 종결 후 발생한 자궁 동정맥 누공에서 자궁동맥색전술로 치료한 1예
김종민,이해혁,김태희,남계현,심일구,이권해,김형문,이임순,장종호 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2
Arteriovenous fistula of uterus is rarely reported disease. This vascular malformation is very dangerous condition because Dilatation & curettage can cause massive uterine bleeding without accurate diagnosis. The diagnosis is made by angiography, gray scale ultrasonography, color and duplex doppler ultrasonography, computed tomography, and magnetic resonance imaging is helpful. Especially color and duplex doppler ultrasonography is allows convincing detection and diagnosis of arteriovenous fistula. Recently transcatheter uterine artery embolization is treatment of choice. We have experienced a case of arteriovenous fistula of uterus. Which is presented with a brief review of literature.
( Hae Lim Lee ),( Si Hyun Bae ),( Bohyun Jang ),( Seawon Hwang ),( Hyun Yang ),( Hee Chul Nam ),( Pil Soo Sung ),( Sung Won Lee ),( Jeong Won Jang ),( Jong Young Choi ),( Nam Ik Han ),( Byung Joo Song 대한간학회 2017 Gut and Liver Vol.11 No.6
Background/Aims: According to the results of several studies, the outcome of hepatitis C virus (HCV) reactivation is not as severe as the outcome of hepatitis B virus reactivation. The aim of this study was to evaluate the effect of pharmacological immunosuppression on HCV reactivation. Methods: The medical records of patients who underwent systemic chemotherapy, corticosteroid therapy, or other immunosuppressive therapies between January 2008 and March 2015 were reviewed. Subsequently, 202 patients who were seropositive for the anti-HCV antibody were enrolled. Exclusion criteria were: unavailability of data on HCV RNA levels, a history of treatment for chronic hepatitis C, and the presence of liver diseases other than a chronic HCV infection. Results: Among the 120 patients enrolled in this study, hepatitis was present in 46 patients (38%). None of the patients were diagnosed with severe hepatitis. Enhanced replication of HCV was noted in nine (27%) of the 33 patients who had data available on both basal and follow-up HCV RNA loads. Reappearance of the HCV RNA from an undetectable state did not occur after treatment. The cumulative rate of enhanced HCV replication was 23% at 1 year and 30% at 2 years. Conclusions: Although enhanced HCV replication is relatively common in HCV-infected patients treated with chemotherapy or immunosuppressive therapy, it does not lead to serious sequelae. (Gut Liver 2017;11:870-877)
음식물쓰레기 수소발효 시 pH 영향 및 축산폐수와의 혼합 발효
장해남(Hae Nam Jang) 유기성자원학회 2016 유기물자원화 Vol.24 No.4
현대의 집적된 산업 사회에서 자정능력을 초과하여 발생하는 막대한 양의 유기성폐자원은 수질, 토양, 대기 등 총체적인 환경오염을 유발하는 처리⋅곤란 물질로 전락하였고, 화석연료의 지속적인 사용에 따른 온실가스의 방출은 지구온난화를 촉진시켰다. 개발된 회분식 공정을 적용하는 음식물쓰레기 수소발효에서, 세계 최초로 수소 전환율과 초기 및 운전 pH와의 관계를 수학적으로 표현하였고, 동시에 최적화하였다. 최적 초기 및 운전 pH는 각각 7.50, 6.01이었다. 축산폐수를 음식물쓰레기의 수소발효에 보조기질로 첨가 시 pH 제어를 위해 요구되는 알칼리량을 감소시킴과 동시에 수소발생률도 크게 증대시킬 수 있음을 관찰할 수 있었다. In the modern industrial society, huge amount of organic wastes have exceeded the society’s self-cleaning capability, caused pollution of the whole environment, including water quality, soil, and the air, and become a big burden of waste treatment. Moreover, the emission of green house gases brought by the continual combustion of fossil fuels has facilitated the global warming. The simultaneous effect of initial and operational pH on H2 yield was expressed using mathematical equation and optimized. The optimal initial and cultivation pH was 7.50 and 6.01, respectively. Addition of livestock wastewater to food waste substantially decreased the amount of alkali requirement and also improved the H2 fermentation performance.
무선센서네트워크에서 저-재전송율을 위한 효율적인 ERS 알고리즘
장영섭 ( Young-sub Jang ),손남례 ( Nam-rye Son ),장봉석 ( Bong-seok Jang ),정민아 ( Min-a Jung ),권장우 ( Jang-woo Kwon ),신준우 ( Jun-woo Shin ),양해봉 ( Hae-bong Yang ) 한국정보처리학회 2010 한국정보처리학회 학술대회논문집 Vol.17 No.1
최근 AODV 라우팅 프로토콜은 무선센서네트워크에서 노드 간에 데이터 전송방식을 추구하므로 테이블구동방식 중 가장 널리 사용되고 있다. AODV 라우팅 프로토콜은 목적지노드가 멀리 있거나 없는 경우엔 목적지노드를 찾기 위한 라우팅 패킷이 급격하게 증가하고 이로 인해 네트워크의 성능이 크게 저하된다. 이러한 문제점을 해결하기 위해 불필요한 RREQ 메시지를 제어하는 ERS(expanding ring search)방법을 사용한다. 그러나 ERS 방법은 유선멀티캐스팅을 기본으로 하기 때문에 무선네트워크환경의 NTT(node traversal time)를 고려하지 않았다는 단점을 가지고 있다. 따라서 본 논문에서는 이동 무선 센서 노드들이 불규칙적으로 이동하는 무선센서네트워크에서 목적지 노드로부터 소스노드까지 전송되는 RREP의 소요시간, 노드간의 거리, 에너지량을 고려하여 효율적인 NTT 알고리즘을 제안한다.