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김강민,곽재건,시가혜,김응래,이지현,김은희,김진태,김웅한 대한흉부외과학회 2018 Journal of Chest Surgery (J Chest Surg) Vol.51 No.4
Background: Early extubation after cardiovascular surgery has some clinical advantages, including reduced hospitalization costs. Herein, we review the results of ultra-fast-track (UFT) extubation, which refers to extubation performed on the operating table just after the operation, or within 1–2 hours after surgery, in patients with congenital cardiac disease. Methods: We performed UFT extubation in patients (n=72) with a relatively simple congenital cardiac defect or who underwent a simple operation starting in September 2016. To evaluate the feasibility and effectiveness of our recently introduced UFT extubation strategy, we retrospectively reviewed 195 patients who underwent similar operations for similar diseases from September 2015 to September 2017, including the 1-year periods immediately before and after the introduction of the UFT extubation protocol. Propensity scores were used to assess the effects of UFT extubation on length of stay (LOS) in the intensive care unit (ICU), hospital LOS, and medical costs. Results: After propensity-score matching using logistic regression analysis, 47 patients were matched in each group. The mean ICU LOS (16.3±28.6 [UFT] vs. 28.0±16.8 [non-UFT] hours, p=0.018) was significantly shorter in the UFT group. The total medical costs (182.6±3.5 [UFT] vs. 187.1±55.6 [non-UFT] ×100,000 Korean won [KRW], p=0.639) and hospital stay expenses (48.3±13.6 [UFT] vs. 54.8±29.0 [non-UFT] ×100,000 KRW, p=0.164) did not significantly differ between the groups. Conclusion: UFT extubation decreased the ICU LOS and mechanical ventilation time, but was not associated with postoperative hospital LOS or medical expenses in patients with simple congenital cardiac disease.
김강민,이병철,한인우,윤태석,Kim, Kang-Min,Lee, Byeong-Chul,Han, In-Woo,Yoon, Tae-Seog 한국천문학회 2003 天文學論叢 Vol.18 No.1
We tested the characteristics of the newly made Long Slit Spectrograph (LSS) of the BOAO which replaced the Medium Dispersion Spectrograph (MDS) in the year of 2003. Performance test results on the spectrogram shift by gravity direction variation, slit illumination function, efficiency and the precision of the radial velocity measurements show the capabilities of the LSS are much improved in every respect comparing with those of the MDS.
In vitro Characterization Study of Bacillus mojavensis KJS-3 for a Potential Probiotic
김강민,정태성,옥선,고찬영,강재선 한국식품과학회 2011 Food Science and Biotechnology Vol.20 No.4
The identification and characterization of Bacillus mojavensis KJS-3 was performed by in vitro tests. A 16S rDNA sequence and phylogenetic tree demonstrated that this isolate belongs to the B. mojavensis group. B. mojavensis KJS-3 supplies nutrients by synthesizing several vitamins. B. mojavensis KJS-3 produces α-amylase and protease. B. mojavensis KJS-3 is cultured well under aerobic conditions without gas production. B. mojavensis KJS-3 allows for assimilation of cholesterol and bile salt hydrolase activity. Finally, adhesion experiments using Caco-2 cells revealed that the adherence of B. mojavensis KJS-3 to Caco-2 cells was approximately 51.2±8.14%.
김강민,한인우,유계화,Kim, Kang-Min,Han, In-Woo,Plachinda, S.,Valyavin, G.,Yoo, Kye-Hwa 한국천문학회 2005 天文學論叢 Vol.20 No.1
We plan to install the polarimetric optics in the AGU(acqusition and guiding unit) of the 1.8 m telescope at the BOAO(Bohyunsan Optical Astronomy Observatory). With this, the spectropolarimetric observations with the resolution of 45,000 and 60,000 in 4,000 to $8,000{\AA}$ ange could be done by the BOES(BOao Echelle Spectrograph). If we use the precision radial velocity measurement capability of the BOES, the accuracy of the magnetic field intensity measurements with this new BOES stokesmeter will be much increased. We present here the design concept of the BOES stokesmeter. Some details on the optics, mechanical parts, fiber parts and the lab test procedures of this stokesmeter are explained.