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증례보고 : 우발적인 경막외강 내로의 Ondansetron 주입 -증례보고-
김보성 ( Bo Song Kim ),곽호성 ( Ho Sung Kwak ),임필재 ( Pil Jae Lim ) 대한마취과학회 2007 Korean Journal of Anesthesiology Vol.52 No.6
We encountered a case of an accidental epidural injection of ondansetron through an epidural catheter. No neurological complications were noted. This case highlights the need for more attention to minimize the risk of epidural injections. (Korean J Anesthesiol 2007; 52: 712~4)
Propofol 마취 시 근이완제의 투여가 Entropy에 미치는 영향
김보성 ( Bo Song Kim ),이상익 ( Sang Ik Lee ),최성욱 ( Sung Uk Choi ),신혜원 ( Hye Won Shin ),임혜자 ( Hae Ja Lim ),이혜원 ( Hye Won Lee ),장성호 ( Seong Ho Chang ),윤석민 ( Suk Min Yoon ) 대한마취과학회 2009 Korean Journal of Anesthesiology Vol.56 No.4
Background: The purpose of this study was to investigate whether muscle relaxant affect the values of Entropy, response entropy (RE) or state entropy (SE) during propofol anesthesia. Methods: Eighty patients (ASA I) scheduled for elective surgery under general anesthesia were randomly assigned to four groups. Anesthesia was maintained at a SE value of 80 (80±2) using target controlled infusion (TCI) of propofol. After maintaining SE 80 for 5 min, vecuronium 0.1 mg/kg was injected intravenously in group I and same volume of normal saline was intravenously injected in group II. After maintaining SE 60 for 5 min, vecuronium 0.1 mg/kg was injected intravenously in group III and same volume of normal saline was injected intravenously in group IV. The mean arterial pressure, heart rate, SE and RE were measured before anesthetic induction and up to 5 min after vecuronium or normal saline injection in each group. Results: SE and RE were not changed in group II, but significantly decreased in group I (P<0.05, respectively). In group III and IV, SE and RE were not changed in both groups. There were no significant hemodynamic changes among the four groups. Conclusions: These results suggest that the effect of muscle relaxant on Entropy vary according to the baseline values of RE or SE during propofol anesthesia. (Korean J Anesthesiol 2009;56:381~6)
양식 참전복(Haliotis discus hannai)의 비병증 예의 근육변성
김보성 ( Bo Seong Kim ),이성주 ( Sung Joo Yi ),황세명 ( Se Myung Hwang ),이무근 ( Mu Kun Lee ),박영진 ( Young Jin Park ),송교정 ( Kyo Jung Song ),허민도 ( Min Do Huh ) 한국수산과학회 2014 한국수산과학회지 Vol.47 No.2
In this study, 6-10 clinically healthy farmed abalone, Haliotis discus hannai were obtained from Jeollanam-Do Wando Soan-myeon, Bogil-myeon, and Nohwa-eup monthly for 1 year 7 months and were examined histopathologically. As a result, the adductor muscle had severe cellular swelling and myonecrosis. These lesions were stained with hematoxylin and eosin and Giemsa. The lesions were not caused by infection of bacteria or parasites. We investigated the relationship between lesion frequency and water temperatureand discovered that increased water temperature was associated with increasing lesion frequency. As water temperature is related to growth rate, increased growth rate was closely related to increased lesion frequency. We considered that these lesions could be a useful factor in measuring shellfish health.
차원축소와 클러스터링을 동시에 적용한 데이터 분석 방법에 대한 연구
신병철(Byung-Cheol Shin),최승빈(Seung-Bin Choi),김보성(Bo-Sung Kim),배성민(Seong-Min-Bae),송성민(Seong-Min Song),장혁수(Hyeok-Su Jang),한동근(Dong-Geun Han),박세진(Se-Jin Park) ICT플랫폼학회 2023 ICT플랫폼학회 하계학술발표대회논문집 Vol.10 No.2
4차 산업혁명 시대로 넘어오며 데이터 분석이 중요해졌고 그 중 클러스터링과 같은 기술이 강조되고 있다. 본 논문에서 데이터 분석의 핵심요소인 클러스터링과 차원 분석 기법인 차원 축소에 대해 설명하고 클러스터링 차원에서 차원 축소를 적용했을 때 최대 약 2.95배 높은 실루엣 계수를 확인할 수 있다. 이를 통해 본 연구는 클러스터링과 차원 축소를 동시에 적용하였을 때 높은 성능 향상이 발생하고 저차원보다는 고차원에서 차원 축소가 더욱 효율적이라는 사실을 알 수 있다.