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악안면골 성형재건수술(Maxillofacial Reconstructive Surgery)에 적용하였던 유도저혈압 마취의 유용성 비교
허철회,정윤진,김종운,김문철,우성,조강희 인제대학교 1996 仁濟醫學 Vol.17 No.3
저자들은 본원에서 1990년 3월부터 1995년 7월까지 198례의 악안면골 성형재건수술에서 선택한 저혈압 약물의 차이에 따라 달리 하였던 유도저혈압 마취방법들을 4군으로 분류하여, 제1군을 흡입마취제(enflurane, halothane)와 sodium nitroprusside(SNP) 사용군, 제2군은 흡입마취제, SNP, 그리고 beta blocker(labetalol) 사용군, 제3군은 흡입마취제와 beta blocker 사용군, 제4군은 propofol과 fentanyl을 사용한 완전정맥마취와 SNP와 beta blocker 사용 군으로 하였다. 마취 및 수술 소요시간, 혈압조절의 용이성, 반사성 빈맥의 유무, 수술중 수혈 여부와 양, 수술후 중환자실 재원일수 및 총 입원일수, 수술후 부작용 등을 비교한 결과 propofol과 fentanyl을 사용한 완전정맥마취군이 다른 군들에 비하여 수술시간의 감소, 반사성 빈맥의 발생 빈도의 감소, 수혈 빈도와 수혈량의 감소를 보였던 바 완전정맥 유도저혈압 마취방법이 유용한 방법으로 평가되었다. The maxillofacial reconstructive surgery is needed close care during operation and anesthesia. The field of operation is limited by the mouth cavity. Airway managements and blood pressure controls are keystone. So, the induced hypotensive anesthesia is essential to the maxillofacial reconstructive surgery for bleeding control and accurate operation. There were 198 cases of maxillofacial reconstructive surgery under induced hypotensive anesthesia in the plastic surgery department of Paik Hospital from 1990 to 1995. Authors had divided them in 4 groups base on anesthetic protocols. Group I(N ;43) was inhalation anew thetics(enflurane, halothane) and sodium nitroprusside(SNP) ; group II(N;99) was inhalation anesthetics(enflurane), SNP, and labetalol ; group IIII(N ; 27) was inhalation anesthetics(enflurane) and labetalol ; group IV (N ;29) was total intravenous anesthesia(propofol, fentanyl, midazolam) with SNP and esmolol(or labetalol). The retrospective study was taken base on the several records of the patients, especially, the duration of operation and anesthesia, degree of fluctuation in the mean arterial blood pressure, amounts of the blood loss and transfusion during operation, complications, and the period of hospitalization, in respectively. Mean operation times of 4 groups decreased periodically, and there were the controlability of blood pressure without reflex tachycardia in beta blocker using groups. Amounts and incidences of transfusion were also decreased in total intravenous anesthesia group. But, there were no significant differencies in total admission days and ICU stay periods between 4 groups.
SNA 방식을 통한 UNIX System과 이기종과의 접속에 관한 연구
허철회,김재각,박두일 명지대학교 공학기술연구소 1988 공학기술연구소 논문집 Vol.3 No.-
The purpose of this study is to interface between unix machine and Heterogenous computers through SNA communications. The three primary alternatives to implement SNA modules in a unix system are considered; make it a process in a user space, a driver in the kernel or a dedicated function in a front-end processor. AT&T 3B2 computer, and IBM 4381 computer are used for interface test machine. The test method used for interface test are as follows, ⅰ) interactive execution test using the terminal emulator. ⅱ) file transfer test using the API(Application Program Interface) library.
허철회,김재각,박두일 명지대학교 공학기술연구소 1988 공학기술연구소 논문집 Vol.3 No.-
This paper shows efficiently operation method of resource by distributed processing system join with computer network. The system can improvement the safety of data, efficiency, extensity and potability of system sharing with data, program and circumstance units of computer use of communication network.