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악교정 수술후 근주와 자가통증조절장치(PCA)의 제통효과 비교
박미화(Mi-Hwa Park),김재현(Jae-Hyun Kim),백상흠(Sang-Heum Baek),차두원(Duwon Cha),이상한(Sang-Han Lee) 대한구강악안면외과학회 2005 대한구강악안면외과학회지 Vol.31 No.3
Patient-controlled analgesia (PCA) has been widely used for postoperative pain control in medical surgery parts. Conventional intramuscular analgesia(IMA) is also effective in postoperative pain control, but it has some disadvantages that depend on patients’perception of pain and the anxiety that they endure caused by the delay of the injection time. This study was conducted to assess the efficacy and postoperative outcomes of intravenous PCA compared to IMA injections in 36 patients (BSSRO). Three factors were compared: amount of pain in PCA and IMA group ; amount of pain according to the sex in PCA and IMA group and the amount of pain according to the analgesia use. Results of this study did not demonstrate a statistically significant difference in any of these, using a p value of 0.05. The results of this study were as follows. : 1. There was no statistically significant difference in VAS pain score between IMA group and PCA group. 2. There was no statistically significant difference according to the sex. 3. There was no statistically significant difference according to the amount of PCA. The history of PCA is about 30 years and many literatures have reported about its effects, complications, methods, advantages and disadvantages. So, this study has some limitations of small sample size to conclude the effects of PCA. But when the decision about the method for postoperative pain control has to be made, it should be made based on patient or physician preference and cost factors rather than on the trend.
약용곤충 무당벌레류 추출물의 항산화활성과 Cyclooxygenase-2 Promoter 억제활성 비교
허진철 ( Jin Chul Heo ),박자영 ( Ja Young Park ),황재삼 ( Jae Sam Hwang ),박해철 ( Hae Cheol Park ),강석우 ( Seok Woo Kang ),황석조 ( Seok Jo Hwang ),윤치영 ( Chi Young Yun ),권택규 ( Taeg Kyu Kwon ),이상한 ( Sang Han Lee ) 한국식품저장유통학회 ( 구 한국농산물저장유통학회 ) 2006 한국식품저장유통학회지 Vol.13 No.4
다중권선 ZCT를 이용한 누전차단기의 누전 검출회로 자동진단 연구
윤덕경(Deog-Gyeong Yoon),박상한(Sang-Han Park),장기호(Ki-Ho Jang),김광수(Gwang-Su Kim),서문수(Moon-Soo Seo) 한국조명·전기설비학회 2020 조명·전기설비학회논문지 Vol.34 No.12
Residual current device(RCD) is a protective device used for the purpose of preventing electric shock accidents, fires caused by short circuits, and damage to equipment caused by arc fault. RCD shall be checked at least once a month using the manual testing. However, if a power shutdown is not possible depending on the load, it is used without periodic check. Therefore, even if the actual leakage current occurs, it will lead to a bigger accident. In this paper, the RCD capable of automatic diagnosis of detecting residual circuits without opened was developed and its performance verified.