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표면 마취제의 기능 향상을 위하여 개발된 Lipo-MLA(Liposome Encapsulated Mixed Local Anesthetics)의 평가
박성식,한규석,백운이 대한마취과학회 2001 Korean Journal of Anesthesiology Vol.40 No.3
Background: This study investigated the effect of topical analgesic effects of a liposome encapsulated mixture of local anesthetics (lipo-MLA) compared with EMLA. Methods: 3% lipo-MLA (0.5% tetracaine base, 2.5% lidocaine base) and 5% lipo-MLA (1% tetracaine base, 4% lidocaine base) were encapsulated into liposomal vesicles made with egg yolk phosphatidy1-choline, cholesterol and phosphatidyldioleoyl. 3% lipo-MLA and EMLA were applied to volunteers' forearms bilaterally with and without an occlusive dressing. The topical anesthetic effects of the lipo-MLA and EMLA as a control were evaluated by the pinprick test in 28 adult volunteers after 60 minutes of application. The analgesic influence of the concentration of local anesthetics was also compared with 3% and 5% lipo-MLA under a non-occlusive dressing. Results: Analgesic effects of the 3% lipo-MLA were similar with EMLA under an occlusive dressing for 60 minutes. In addition, analgesic effects of the 3% lipo-MLA under a non-occlusive dressing were more potent than EMLA. Lipo-MLA under a non-occlusive dressing showed more potent analgesic effect than lipo-MLA under an occlusive dressing. 5% lipo-MLA was more potent than 3% lipo-MLA under a non-occlusive dressing. Conclusions: Lipo-MLA has more potent analgesic effects than EMLA without an occlusive dressing and 5% lipo-MLA is more potent than 3% lipo-MLA. Therefore, lipo-MLA appeared to be an impoved topical analgesic formulation which provides a more potent and convenient topical application. (Korean J Anesthesiol 2001; 40: 420~426)
Vein of Galen 기형 환아에서 중재적 방사선하 혈관내 색전술시의 마취관리 경험
박성식,임동건,한규석,홍정길,김용선 대한마취과학회 2001 Korean Journal of Anesthesiology Vol.41 No.3
Anesthetic Management during Interventional Neuroradiologic Embolization of a Vein of Galen Malformation - A case report - Kyu Seok Han, M.D., Sung Sik Park, M.D., Dong Gun Lim, M.D. Yong Sun Kim, M.D.^*, and Jung Gil Hong, M.D. Department of Anesthesiology and ^*Diagnostic Radiology, School of Medicine, Kyungpook National University, Daegu, Korea The vein of Galen malformation is a midline intracranial arteriovenous fistula with aneurysmal dilatation of the vein of Galen. This abnormality, though rare, is associated with a bleak prognosis and significant mortality. However, significant advancements have been made in understanding the path-ophysiology of this abnormality, and improvements in both interventional neuroradiologic embolization and microneurosurgical techniques have contributed to a better outcome. In neuroradiologic embolization, children are likely to become agitated and confused and thereby jeopardize the entire procedure. For this reason, this procedure is performed with the children under general anesthesia. We experienced a case of neuroradiologic embolization under general anesthesia with propofol. The patient was 9-year-old boy who weighed 29 kg. He was healthy and had no other abnormalities in our preoperative evaluation. Throughout the entire procedure, especially before and after closure of the fistula, hemo-dynamic changes and unexpected events did not appear. (Korean J Anesthesiol 2001; 41: 388~392)
Trp-P-1 과 2-AF 에 대한 산채류 생즙의 항돌연변이 효과
이해금,정의호,함승시,한규석 한국식품위생안전성학회 1992 한국식품위생안전성학회지 Vol.7 No.4
On the mutagenicity induced by 3-amino-l,4-dimethyl-5-H-pyrido[4,3-b]indol (Trp-P-1) and 2-aminotluorene (2-AF), the antimutagenic effects of edible muntain herb juices were examined by the Ames assay using Salmornella typhimurium TA98 and TA100. Juices prepared from araria bud, small water dropwort, mugwort, roots of bellflower and sedum didn't have mutagenicity. Most of sample juices showed the antimutagenicity. Fspeaslly, juices Prepared from aralia bud, small water dropwort and mugwort were found to possess strong antimumgenic effects. Sedum was moderafly effective and root of bellflower had little effect on mutagenicity caused by Trp-P1 and 2-AF. The experimental results with TA98 were similar to those with TA100 in the antimutagenicity test of edible mountain hems juices. In this study, anlimutagenicity on Trp-P-1 was more effective than that on 2-AF.