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이병재(Lee, Byung Jae),이승룡(Lee, Seung Lyong),허형석(Heo, Hyung Seok) 한국산학기술학회 2015 한국산학기술학회 학술대회 Vol.2015 No.1
본 논문은 충청북도 재오개지역의 도수터널에 발생된 라이팅콘크리트 배면의 토사유실과 누수에 의한 문제를 해결하기 위한 배면충전 그라우팅 공사에 관한 시공사례이다. 도수터널은 저수지로부터 농업용수 등을 이송하기 위해 개설된 것으로써, 일반적인 약액그라우팅에 의한 환경오염문제를 방지하기 위하여 친환경적인 시공방법 및 주입재료를 제시하였으며, 성능확인을 위해 실험실 검증과 현장시공을 통해 환경친화적이며 누수차단 및 배면보강이 가능하다는 것을 확인하였다.
천식과 호산구성 기관지염에서 CD4, CD8 림프구 침윤
이상엽 ( Lee Sang Yeob ),이승룡 ( Lee Seung Lyong ),김제형 ( Kim Je Hyeong ),신철 ( Sin Cheol ),심재정 ( Sim Jae Jeong ),강경호 ( Kang Gyeong Ho ),유세화 ( Yu Se Hwa ),인광호 ( In Gwang Ho ),이지혜 ( Lee Ji Hye ),정운용 ( Jeong U 대한결핵 및 호흡기학회 2003 Tuberculosis and Respiratory Diseases Vol.55 No.5
윤덕미,강원석,이승룡,안은경 대한마취과학회 1996 Korean Journal of Anesthesiology Vol.30 No.2
Herpes zoster is primarily a disease of sensory portion of the nervous system and one of motor portion as well. Herpes zoster radiculopathy can be usually easily diagnosed in the presence or previous history of the characteristic cutaneous eruptions. Motor involvement dose not always coincide in location with the cutaneous lesions. Along with the radicular distribution of pain, motor neuron involvement can mimic other clinical conditions such as disc herniation, tumor infiltration, or infection. Even if the diagnosis of herpes zoster radiculopathy may be delayed, it must be put off until any other diseases or underlying causes are ruled out, especially in case motor symptoms and signs are major clinical features, or there is a topographic dissociation between dermatomes and myotomes involved. We report a patient with spinal cord tumor revealed in the evaluation and management of herpes zoster-related radiculopathy.
말초정맥로를 통한 Fentanyl의 용량에 따른 기침반사반응
김종훈,홍정연,길혜금,김원옥,이승룡 대한마취과학회 1997 Korean Journal of Anesthesiology Vol.33 No.1
Background : We observed fentanyl known as centrally-acting antitussive agents provoke a cough response in some patients at induction of anesthesia. This may be of clinical importance. Method : 121 patients(ASA class I) were assigned randomly to 4 groups. Each group was given different doses of fentanyl〔Group 1(n=30); 0.5ug/kg, Group 2(n=30); 1ug/kg, Group 3(n=33); 2ug/kg, Group 4(n=28); 4 g/kg〕, within 1 second through a peripheral venous cannula before induction of anesthesia. All patients were observed carefully in order to detect a cough response and any side effects. Result : The incidences of FCR(Fentanyl Cough Response) were 0% in Group 1, 10.0% in Group 2, 30.3% in Group 3, and 39.3% in Group 4. The ED50 of FCR was 4.25ug/kg. The mean onset-time from the end of fentanyl administration to the beginning of coughing was 12.5 seconds. FCR was decreased with aging, but not affected by weight, height, or smoking. Other serious side effects were not accompanied. Conclusion : Fentanyl can evoke the pulmona chemoreflex dose-dependently and the ED50 was 4.25 g/kg. (Korean J Anesthesiol 1997; 33: 59∼62)