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Mobile Application for Emergency Incident Response Management
전찬웅(Chun Woong Jeonu),임명재(Myung Jae Lim) 한국IT마케팅학회 2015 Journal of Information Technology and Management Vol.3 No.1
It has already been demonstrated in many developed countries, there is a correlation between hospital mortality and disability rates, depending on whether the arrival of first aid measures. Especially when emergencies occur, the influence of the patient's life, depending on how fast do the deal in time and precise action of the surrounding people . If an urgent situation actually occurs proposes an application that can inform the exact instructions for this situation specific coping.
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16열 CT angiography를 이용한 뇌내동맥 stent의 개통성 및 재협착 평가
Choo, Ki Seok,Lee, Tae Hong,kim, Hak Jin,Choi, Chang Hwa,Park, Kyung Pil,Lee, Sang Won,Kim, Chang Won,Kim, Suk,Jeonu, Yean Joo,Kang, Dong Won 부산대학교 병원 암연구소 2006 부산대병원학술지 Vol.- No.20
목적: 16열 CT를 이용한 CT angiography 가 뇌내동맥내 스텐트의 개통성가 재협착 여부를 평가하는데 유용한지를 평가하고자 하였다. 대상 및 방법: 7개의 뇌내동맥내에 스텐트를 설치한 총 7명의 환자에서 16열 CT를 스텐트를 설치한 후 6개월 후에 시행하였으며, MIP를 이용한 curved MPR기법을 최적의 window setting를 이용하여 재구성하였다. 두 명의 방사선과 의사가 CT촬영 후 이틀 후 시행한 고식적 혈관촬영술의 결과를 모른 채 stent의 개통성과 재협착여부를 평가하였다. 결과: CT의 결과는 모든 스텐트에 개통성이 있고, 재협착이 없는 것이었으며, 이것은 고식적 혈관촬영술에서 확인되었다. 또한 스텐트 내부는 최적의 kernel 값을 적용했을 때 잘 평가할 수 있었다. 결론: 최적의 kernel 값으로 측정 한 16열 CT angiography는 뇌내 동맥내 스텐트의 개통성과 재협착 여부를 평가하는데 도움을 줄 수 있다. Purpose: To determine whether 16-slice CT angiography is suitable for the evaluation of luminal patency and visibility of intracranial stents in comparison with conventional angiography as the standard of reference. Methods: Seven stents (5 middle cerebral arteries, 1 intracranial vertebral arteries, and 1 intracranial internal carotid arteries) of two different types were evaluated in 7 patients. CT was performed on a 16-slice scanner (Simens Medical Solutions, Forchheim, Germany, detector collimation 16x0.75 mm; table feed 2.8 mm/rotation, 370 mAs; 120 kVp; reconstruction with standard and optimized sharp kernel), following implantation of intracranial stents at least in 6 months and conventional angiography was performed in 2 days as a standard reference. Curved multiplanar reformations with maximal intensity projection (MIP) with optimal window settings for assessment of lumen of intracranial stents were evaluated for stent patency (contrast distal to the stent as an indirect sign) and visible lumen diameter by two experienced radiologists who blinded to the reports from the conventional angiography. Results: All stents were correctly classified as patent and no in-stent stenosis, which was correctly correlated with results of conventional angiography. Parts of the stent lumen could be visualized in all cases. On average, 57% of the stent lumen diameter was visible using optimized sharp kernel. Significant improvement of lumen visualization (22%, P<0.01) was observed using the optimized sharp kernel compared with the standard sharp kernel. Conclusion: 16-slice CT using the dedicated sharp kernel might provide the useful information for evaluation of patency and lumen diameter of intracranial stents.
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