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정진경(JinKyeong Chung),박강(Kang Park) (사)한국CDE학회 2016 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2016 No.동계
An existing remote monitoring system uses multiple cameras to recognize circumstance in all directions. However, it has difficulty in monitoring circumstance because it may generate blind spots or overlap images according to the directions of the camera installation. Therefore, this paper suggests the remote surrounding monitoring system using a panorama view (RMSP) from multiple images of cameras, which can monitor the circumstance of a remote place intuitively without blind spots. Intrinsic parameters and extrinsic parameters of each camera of RMSP are obtained by calibration and used to create a panoramic view. The camera calibration jig was designed and used for system calibration of which method was suggested in this paper. The panorama view can be created by calibrating distortion of four images. In this paper, by using a panorama view, RMSP system can monitor the remote place intuitively and recognize the direction of the object quickly. It is expected that when the image composition and the transmission speed are improved, the real-time remote monitor system can be realized.
임상연구 : 중화상 환자에서 Mivacurium의 신경근 약역학
정미화 ( Mi Hwa Chung ),정진경 ( Jin Kyung Jung ),이진영 ( Jin Young Lee ),곽인숙 ( In Suk Kwak ),최영룡 ( Young Ryong Choi ),원임수 ( Rim Soo Won ),한태형 ( Tae Hyung Han ) 대한마취과학회 2006 Korean Journal of Anesthesiology Vol.51 No.5
Background: Burned patients sometimes require rapid onset of neuromuscular paralysis to secure the airway in full stomach patients or to treat laryngospasm. Because of poor lung function and hypermetabolic state, they desaturate quite rapidly. Burned patients are usually resistant to the effects of nondepolarizing relaxants. Mivacurium can be potentially a good alternative for rapid onset of paralysis, since it is metabolized by plasma cholinesterase, an enzyme often decreased in subject with major burns. This prospective study was conducted to define the neuromuscular pharmacodynamic profile of a single bolus dose of mivacurium in adult patients with major burns. Methods: Adults (M/F = 22/8), aged 44.0 ± 10.2 years, with total body surface area (TBSA) burn of 35.0 ± 12.5% were studied at 39.8 ± 28.9 post burn days. Age and sex matched 30 non-burned patients served as controls. Anesthesia was consisted of propofol and fentanyl infusion with nitrous oxide and oxygen. Mivacurium 0.2 mg/kg was administered as a bolus. Using TOF Watch, neuromuscular block was monitored with T1 response after the initial tetanic stimulation to recruit all muscle fibers. Onset time was defined as the interval from the beginning of drug administration to maximal twitch suppression. Intubation was attempted at 1 minute after the drug administration to simulate the rapid sequence induction with recording of either failure or success of intubation. By allowing spontaneous recovery without reversal drug, recovery profiles of neuromuscular paralysis were also measured. Results: Patients demographics were similar in both groups except for the burn. Onset times and all recovery profiles were significantly prolonged in the burned versus non-burned groups. Attempts at intubation at 1 minute after the drug administration were successful with difficulty in approximately 70% of patients in both groups. Conclusions: Mivacurium 0.2 mg/kg demonstrated the conflicting dual responses in the burned patients. The prolonged onset time suggests resistance to neuromuscular effects. The prolonged recovery suggests increased sensitivity. This can be partially explained by the acetylcholine receptor proliferation and decreased level of plasma pseudocholinesterase. In view of the prolonged onset time of almost two minutes for maximal paralysis, mivacurium does not appear to be a good drug for rapid onset of paralysis in burns. (Korean J Anesthesiol 2006; 51: 541~6)