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임상연구 : 대장 절제술에서 수술 중 N-acetyl-cysteine의 투여가 수술 후 회복 시간에 미치는 영향
하인호 ( In Ho Ha ),곽경화 ( Kyung Hwa Kwak ),한창규 ( Chang Gyu Han ),이인택 ( In Taek Lee ),최규석 ( Gyu Seog Choi ),김인겸 ( In Kyeom Kim ),백운이 ( Woon Yi Baek ),임동건 ( Dong Gun Lim ) 대한마취과학회 2006 Korean Journal of Anesthesiology Vol.51 No.4
Background: The gut is an important area for inflammatory responses. Gut manipulation during open laparotomy compared with laparoscopic surgery, increases the inflammatory responses. Laparoscopic assisted colectomy (LC) with less bowel manipulation might minimize the inflammatory responses and oxidative stress, and offer a faster postanesthetic recovery than an open colectomy (OC). This study evaluated the effect of N-acetyl-cysteine (NAC), an antioxidant, on the recovery after colectomy. Methods: 116 colorectal tumor patients were reviewed retrospectively. The patients were divided into 3 groups; LC by surgeon A (A-L), OC by surgeon A (A-O) and OC by surgeon B (B-O). The postanesthetic recovery scores (PARS) were compared. In the prospective randomized controlled trial, the colorectal tumor patients were assigned to one of four groups; laparoscopic assisted colectomy (L - N) with NAC infusion (L + N), open colectomy (O-N) with NAC infusion (O + N). In the NAC groups, NAC (5 mg/kg/h) was infused after intubation to extubation. The PARS were compared. Results: In the retrospective study, the time to reach 10 points, which satisfies the discharge criteria in the PACU, was significantly lower in the A-L group than in the other groups. In the prospective study, the time to 10 points was shorter in the O + N group than in the O-N group. NAC offered no added benefits to the L + N and L-N groups. Conclusions: NAC offered faster recovery in the OC group but not in the LC group. (Korean J Anesthesiol 2006; 51: 436~42)
성용주,한영림,김근수,이문수,하인호,이기열,이영애,김유철,Sung, Yong-Joo,Han, Young-Lim,Kim, Kun-Soo,Rhee, Moon-Soo,Ha, In-Ho,Lee, Ki-Yeul,Lee, Young-Eh,Kim, You-Choul 한국연초학회 2006 한국연초학회지 Vol.28 No.2
The pulping process in a papermaking process for a reconstituted tobacco sheet (RECON) was evaluated. For the practical information, the experiments were conducted in a real mill. Two pulping conditions were chosen and changed depending on the feasibility, such as the pulping temperature and the properties of pulping water. The higher pulping temperature resulted in the easier dissolution of solubles from the raw materials. However, the efficiency of screw press process was decreased by the higher pulping temperature, which resulted in the reduction of the HWS and the concentration in the #1 screw press filtrate. The addition of SEL(Strong extracted liquor) to pulper affected the efficiency of dissolution and the final concentration of #1 screw press filtrate. Although the higher SEL resulted in the less dissolution of the solubles from the raw materials, the concentration of the #1 screw press filtrate was greatly increased by the higher addition of SEL, which could provide much better efficiency to the following evaporation process of the filtrate and could increase the whole productivity.
성용주,한영림,김근수,이문수,하인호,이기열,전은순,송태원,Sung Yong-Joo,Han Young-Lim,Kim Geun-Su,Rhee Moon-Soo,Ha In-Ho,Lee Ki-Yeul,Chun Eun-Soon,Song Tae-Won 한국연초학회 2006 한국연초학회지 Vol.28 No.1
The papermaking process for a reconstituted tobacco sheet (RECON) has been preferred more because of the various merits such as a wide range of Recon products with better quality. The screw press is one of the very important process in RECON making process which divides the mixed raw materials into the soluble material and the insoluble material and could greatly affect the productivity and product quality. In this study, the characteristics of the screw press process in a Recon making mill were evaluated for two different RECON products. Three different efficiency index were proposed for the more detailed analysis of the screw press process. The result showed that the difference in the raw material might result in the difference in the efficiency and the properties of the extracts and the filter cake, especially in the HWS. The washing technique which applied in this experiment showed the amount of residual HWS in the fiber portion were not much changed by the each steps of the screw press.