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이송의료기관 선정자에 따른 119구급대를 통한 소아 응급환자 이송의 적절성
정호현,차명일,정시영,서주현 대한소아응급의학회 2017 대한소아응급의학회지 Vol.4 No.2
Purpose We aimed to investigate the appropriateness of transport of children via emergency medical service providers (EMSP) according to the decision-maker on referred hospitals (EMSP [EMSP group] vs. guardians [user group]). Methods We analyzed first aid records by EMSP for children aged 15 years or younger in Gyeonggi province, Korea, from January 2012 through December 2013. We obtained the following data: scene, symptom, type (high-level [regional/local emergency medical centers] or not) and location (out-of-province or not) of referred hospitals, injury, level of consciousness (alert or not), and prehospital triage results by EMSP (emergent/less emergent or not). Results A total of 50,407 children were included, of whom 37,626 (74.6%) belonged to the user group. Overall, the most common scene, symptom, and type and location of referred hospitals were home (57.0%), pain (33.3%), and inside-the-province and local emergency medical centers (44.2%), respectively. The user group showed less frequent injury (P < 0.001), decreased level of consciousness (P < 0.001), and no significant difference in the triage results (P = 0.074). This group showed more frequent transport to high-level and out-of-province emergency medical centers (P < 0.001), and longer transport (P < 0.001). Conclusion The user group showed more frequent transport to high-level or remote referred hospitals without more critical prehospital triage results. Guardian-directed transport of children might be associated with the inappropriate transport of children via EMSP. .
Study on the Single Dose Toxicity of ShinEumHur Pharmacopuncture Injected into the Muscles of Rats
정호현,차은혜,이종철,이성진,박만용,김동웅,송봉근,이종덕,김성철 대한약침학회 2016 Journal of pharmacopuncture Vol.19 No.4
Objectives: This study was carried out to analyze the single dose toxicity of ShinEumHur (SEH) pharmacopuncture injected into the muscles of Sprague-Dawley rats. Methods: The SEH pharmacopuncture was made in a clean room at the Korean Pharmacopuncture Institute (K-GMP). After the mixing process with sterile distilled water had been completed, the pH was controlled to between 7.0 and 7.5. All experiments were conducted at Biotoxtech, an institution authorized to perform non-clinical studies under the Good Laboratory Practice (GLP) regulations. Sprague-Dawley rats were chosen for the pilot study. Doses of SEH pharmacopuncture, 0.25, 0.5 and 1.0 mL, were administered to the experimental groups, and a dose of normal saline solution, 1.0 mL, was administered to the control group. We examined the survival rate, weights, clinical signs, mean hematology parameters, mean clinical chemistry, necropsy and histopathological findings. This study was conducted under the approval of the Institutional Animal Ethics Committee. Results: No deaths or abnormalities occurred in any of the four groups. No significant changes in weight, hematological parameters or clinical chemistry between the control group and the experimental groups were observed. To check for abnormalities in organs and tissues, we used microscopy to examine representative histological sections of each specified organ; the results showed no significant differences in any of the organs or tissues. Conclusion: The above findings suggest that treatment with SEH pharmacopuncture is relatively safe. Further studies on this subject are needed to yield more concrete evidence.
정호현,이상미,이종철,박만용,김동웅,송봉권,김성철 대한침구의학회 2013 대한침구의학회지 Vol.25 No.4
Objectives : Weight loss and loss of appetite in amyotrophic lateral sclerosis patients arecommon symptoms, these are associated with survival as well as nutritional condition. Thechanges in weight and appetite were reported after treatment using Megestrol acetate andKorean medical treatments. Methods : Amyotrophic lateral sclerosis patient with weight loss and loss of appetite weretreated by administering megestrol acetate a known anti-malignant tumor agent and Koreanmedical treatments such as acupuncture, pharmacopuncture and herbal medicine. Thechanges in weight and appetite were checked using body mass index(BMI) and simplifiednutritional appetite questionnaire(SNAQ). Results : There was a more than 17 kg increase in weight. BMI increased from 15.94 kg/㎡ to21.97 kg/㎡ and SNAQ score increased from 7 to 16. Owing to several side effects, Megestrolacetate was stopped after which only Korean medical treatments were provided. After whichthe lasting effects in BMI and appetite could be seen. Conclusion : There are few studies on weight loss and loss of appetite in ALS patients. Usingonly megestrol acetate can cause several considerable side effects. Which respect to this, thefindings in this study could open up new clinical guideline possibilities.
정호현,안호영,박진우,김형우,김상석,이양원,최철웅 한국측량학회 2015 한국측량학회지 Vol.33 No.6
This study examined the feasibility of using an automatic lens distortion correction (ALDC) camera as the payload for a photogrammetric unmanned aerial vehicle (UAV) system. First, lens distortion for the interior orientation (IO) parameters was estimated. Although previous studies have largely ignored decentering distortion, this study revealed that more than 50% of the distortion of the ALDC camera was caused by decentering distortion. Second, we compared the accuracy of bundle adjustment for camera calibration using three image types: raw imagery without the ALDC option; imagery corrected using lens profiles; and imagery with the ALDC option. The results of image triangulation, the digital terrain model (DTM), and the orthoimage using the IO parameters for the ALDC camera were similar to or slightly better than the results using self-calibration. These results confirm that the ALDC camera can be used in a photogrammetric UAV system using only self-calibration.