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박신웅 ( Shin Woong Park ), 현성열 ( Sung Youl Hyun ), 김진주 ( Jin Joo Kim ), 임용수 ( Yong Su Lim ), 조진성 ( Jin Sung Cho ), 양혁준 ( Hyuk Jun Yang ), 박원빈 ( Won Bin Park ), 우재혁 ( Jae Hyug Woo ), 장재호 ( Jae Ho Jang ) 대한외상학회 2013 大韓外傷學會誌 Vol.26 No.3
Purpose: Trauma is one of the major cause of death in Korea. This study focused on the survival rate and the neurologic outcome for patients with traumatic cardiac arrest (CA) at one emergency center. Methods: We retrospectively reviewed the medical records of patients with traumatic CA who were seen at a regional emergency medical center from January 2010 to December 2011. From among major trauma patients at that medical center, adults older than 18 years of age who had CA were included in this study. CA included outof- hospital CA with arrival at the Emergency Department (ED) within three hours and in-hospital CA. We checked the survival rate and the neurologic outcome. Results: A total of 61 patients were analyzed: 32 patients had return of spontaneous circulation (ROSC), 6 patients survived to discharge (survival rate: 9.84%), and 4 were still alive 90 days after discharge. The Cerebral performance category (CPC) scores at 6 months after discharge showed 1 good and 5 poor in neurologic outcomes. Factors such as initial rhythm of CA, part with major injury, Revised Trauma Score (RTS) and pH, were significant for ROSC, survival, and neurologic outcome in patients with traumatic CA. Conclusion: In this study, patients who had traumatic CA showed a 9.84% survival rate and a 1.64% good neurologic outcome. The results are poorer than those for CA caused by disease. Multi-center, prospective studies are needed.
In this study, the differences in the mechanical properties of PET and PTT warp knitted fabrics were studied, based on variations in the mechanical properties. The results of the research show that PTT warp knitted fabrics had lower flexibility than PET warp knitted fabrics which were opposed to the properties of the yams. However the results of bending and compression properties were almost similar in both PET and PTT warp knitted fabrics. Because the bulkiness of P1T yam compared with PET, the abrasion coefficient of PTT warp knitted fabrics was greater than that of PET. Thus, PTT warp knitted fabrics had some aesthetic differences compared with PET warp knitted fabrics, however, although the knitting conditions were similar.
To find out the dimensional stability factors of single bar warp knitted fabrics, CPC, WPC, and loop length were measured in a dry relaxed state and tumble relaxed state. Then, relaxation parameters called Kc, Kw, and Ks were calculated by the parameter equations for warp knitted fabrics in two different states, and comparative study of relaxation parameters in two different relaxation states were made. Also, we made an experiment in shrinkage of each state so that we found out the stage when the dimension was stabilized. Finally, the tendency of shrinkage by density and stitch were analyzed.