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개흉술 후 냉각요법과 경막외 Fentanyl 병용요법의 비교
신진우(Jin Woo Shin),최인철(In Cheol Choi),하승일(Seung Ill Ha),심지연(Ji Yeon Sim),이청(Cheong Lee),박승일(Seung Ill Park),윤창섭(Chang Seob Yun) 대한통증학회 2001 The Korean Journal of Pain Vol.14 No.1
N/A Background: Thoracotomy is the operation that produces the most postoperative pain, necessitating the highest requirements for postoperative analgesics. The common methods of treating postthoracotomy pain are the use of thoracic epidural analgesia, intemittent or continuous intercostal nerve blocks, intravenous narcotics and cryoanalgesia. We designed to assess the analgesic effect of epidural analgesia, cryoanalgesia and the combined analgesia in thoracic surgery. Methods: A prospective study was carried out in 59 patients undergoing elective thoracotomy for parenchymal disease. Patients were randomized into three groups: C (cryoanalgesia), CE (cryoanalgesia and thoracic epidural analgesia), E (epidural analgesia). All patients had standard anesthesia with endotracheal intubation using a double lumen endotracheal tube, and one-lung ventilation. Subjective pain relief was assessed on a visual analog scale. Analgesic requirements, complications and the degree of satisfaction were evaluated during the 7 days following surgery. Results: Subjective pain relief was significantly better in Group CE and Group E in comparison with Group C (P < 0.05). Cryoanalgesia provided a better pain score on the 6th and 7th POD than the early postoperative periods. Analgesic requirements were higher in Group C than in the Group CE and Group E during the first POD. The incidence of side effects was similar in Group CE and Group E. Conclusions: If we can reduce the concentration of fentanyl and local anesthetics in combined analgesia of epidural and cryoanalgesia, the disadvantages of each method would be overcome and would be a better method of postthoracotomy pain control.
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洪碩佑,朴承一,林鐘鐵 釜山大學校生産技術硏究所 1995 生産技術硏究所論文集 Vol.49 No.-
SSC(strong and Simple Compressive Anchor) 앵커는 진행성파괴의 영향을 줄일 수 있고, 시공이 간단하며, 경제성이 있고, 내구성이 우수한 특징을 갖고 있다. 본 연구에서는 SSC앵커의 현장인발실험과 실내요소시험의 결과를 분석해 정리했다. SSC 앵커의 특성을 요약하면 다음과 같다. (1) 앵커의 인발에 의한 앵커체의 소성변위가 매우 작다. (2) 앵커의 자유장을 줄임으로서 전체 앵커장을 줄일 수 있다. (3) 진행성파괴의 영향이 줄어든다. (4) 앵커의 시공후 시간이 경과함에 따라 인발저항에 대한 안전률이 증가한다. The SSC anchor (Strong and Simple Compressive Anchor) is characterized by decreasement of progressive failure, simple site work, economy and durability. In this study, the result of field pullout test and laboratory element test of SSC anchor are analysed. The characteristics of SSC anchor are summarized as follows: (1) The plastic displacement of anchor body is very small by pullout of anchor. (2) Total anchor length decreases by the shortening of free length. (3) The progressive failure is decreased. (4) The safety factor for pullout resistance increases according to time after construction of anchor.
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