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Benjamin Yong-Qiang Tan,Nicholas Jinghao Ngiam,Zi Yun Chang,Sandra Ming Yien Tan,Xiayan Shen,Shao Feng Mok,Srinivas Subramanian,Shirley Beng Suat Ooi,Adrian Chin-Leong Kee 한국의학교육학회 2019 Korean journal of medical education Vol.31 No.3
Long duty hours have been associated with significant medical errors, adverse events, and physician “burn-out”. An innovative night float (NF) system has been implemented in our internal medicine program to reduce the negative effects of long duty hours associated with conventional full-call systems. However, concerns remain if this would result in inadequate training for interns. We developed a structured questionnaire to assess junior doctors’ perceptions of the NF system compared to full calls, in areas of patient safety, medical training, and well-being. Ninety-seven (71%) of the 137 doctors polled responded. Ninety-one (94%) felt the NF system was superior to the full call system. A strong majority felt NF was beneficial for patient safety compared to full call (94% vs. 2%, p<0.001). The NF system was also perceived to reduce medical errors (94% vs. 2%, p<0.001) and reduce physician “burn-out” (95% vs. 5%, p<0.001). Beyond being a practical solution to duty-hour limitations, there was a significant perceived benefit of the NF system compared to the full call in terms of overall satisfaction, patient safety, reducing medical errors and physician “burn-out”.
Pek-Ing Au,Benjamin Foo,Yee-Kwong Leong,Wen Ling Zhang,최형진 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.21 No.1
Based on flow curve of graphene oxide coated polymeric microsphere based electrorheological (ER) fluid,model independent yield stress and shear rate, g˙ ðtÞ, were determined using a Tikhonov regularizationtechnique developed to solve the inverse problem of the shear rate in Couette flow viscometry. Themodel independent yield stress data were compared with that extracted from yield stress fluidmodels ofBingham plastic and Cho-Choi-Jhon (CCJ) used to fit the g˙ ðtÞ data. The agreement between modelindependent and Bingham yield stress was excellent, while the CCJ model yield stresses are generallyslightly higher.
오영석,안기옥,신상도,켄타로 카지노,타츠야 니시우치,Matthew Ma6,,Patrick Ko,Marcus Eng Hock Ong, M.D.,Ng Yih Yng,Benjamin Leong 대한응급의학회 2020 Clinical and Experimental Emergency Medicine Vol.7 No.2
Objective To investigate variations in the effects of prehospital advanced airway management (AAM) on outcomes of out-of-hospital cardiac arrest (OHCA) patients according to regional emergency medical service (EMS) systems in four Asian cities. Methods We enrolled adult patients with EMS-treated OHCA of presumed cardiac origin between 2012 and 2014 from Osaka (Japan), Seoul (Republic of Korea), Singapore (Singapore), and Taipei (Taiwan). The main exposure variable was prehospital AAM. The primary endpoint was neurological recovery. We compared outcomes between the prehospital AAM and non-AAM groups using multivariable logistic regression with an interaction term between prehospital AAM and the four Asian cities. Results A total of 16,510 patients were included in the final analyses. The rates of prehospital AAM varied among Osaka, Seoul, Singapore, and Taipei (65.0%, 19.2%, 84.9%, and 34.1%, respectively). The non-AAM group showed better outcomes than the AAM group (adjusted odds ratio [aOR] for neurological recovery 0.30; 95% confidence interval [CI], 0.24–0.38]). In the interaction model for neurological recovery, the aORs for AAM in Osaka and Singapore were 0.12 (95% CI, 0.06–0.26) and 0.21 (95% CI, 0.16–0.28), respectively. In Seoul and Taipei, the association between prehospital AAM and neurological recovery was not significant (aOR 0.58 [95% CI, 0.31–1.10] and 0.79 [95% CI, 0.52–1.20], respectively). The interaction between prehospital AAM and region was significant (P=0.01). Conclusion The effects of prehospital AAM on outcomes of OHCA patients differed according to regional variability in the EMS systems.