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정재훈(Jae Hoon Chung),박중열(Joong Yeol Park),박용수(Yong Soo Park),이문규(Moon Kyu Lee),이병두(Byoung Doo Rhee),이홍규(Hong Kyu Lee),고창순(Chang Soon Koh),민헌기(Hun Ki Min),조수헌(Soo Hun Cho),강문호(Moon Ho Kang) 대한내과학회 1989 대한내과학회지 Vol.36 No.3
N/A In order to evaluate the effectiveness of systemic hyperbaric oxygen (HBO) therapy on diabetic gangrene, we treated 11 patients with diabetic gangrene with HBO therapy and 7 without HBO therapy in 1988. Seventeen patients with diabetic gangrene were treated without HBO therapy in 1987. HBO was administered in 60-min sessions twice a day or in daily 75-min sessions (20±4 times) within a monoplace oxygen chamber pressurized at 2.5 atm. Clinical characteristics such as sex, age, diabetes duration, fasting blood glucose, HbA1c, severity of diabetic microangiopathy and macroangiopathy were comparable in the patients of 1987 and 1988. In 1988, 13 patients (72.2%) recovered or showed improvement, 2 patients (11.1%) showed no improvement, and 3 patients (16.7%) were amputated. By contraries, in 1987, 8 patients (47.0%) recovered or showed improvement, 8 patients (47.0%) were amputated, and the remaining patient (6.0%) expired. There was a significant difference in hospitalization period (days) between the groups (33.8±3.7 vs 60.1±7.1, p<0.05 by Wilcoxon rank sum test). However, the values of nerve conduction velocity, amplitude, and latency of electrophysiologic test performed before and after HBO therapy were not altered. We conclude that HBO therapy may be an effective modality for the treatment of diabetic gangrene.
인슐린 투여가 당뇨병 환자의 삶의 질, 우울 요소에 미치는 영향
이상아 ( Sang Ah Lee ),박중열 ( Joong Yeol Park ) 대한내과학회 2009 대한내과학회지 Vol.77 No.1
Insulin is the most effective drug for reducing blood glucose in patients with diabetes commonly. But it has negative aspect for diabetic patients to change from oral hypoglycemic drug to insulin injection. Insulin injection makes patients feel reducing self-esteem and QOL (quality of life). So they complain depressive moods. Multiple insulin injection has an effect on patient`s emotion more negatively than one or two injection of insulin. It is suggested that physicians much more concern about self-esteem and emotional aspect of patients when they prescript insulin. (Korean J Med 77:57-59, 2009)
채희복(Hee Bok Chae),박중열(Joong Yeol Park),송영기(Young Ki Shong),김경조(Kyung Jo Kim),김철희(Chul Hee Kim),권병덕(Byoung Duk Kwun),최기영(Ghee Young Choe),황진복(Jin Bok Hwang),김기수(Ghi Su Kim) 대한내과학회 1997 대한내과학회지 Vol.52 No.3
Lymphocytic infundibuloneurohypphysitis(LINH) is a newly classified disorder and proposed as a common cause of idiopathic central diabetes insipidus. It is characterized by thickening of the infundibulum and/or pituitary stalk and absence of high signal in the neurohypophysis in sellar MRI and the microscopic findings of diffuse lymphocytic infiltration within the neurohypophysis. A 12year-old boy presented polyuria and headache. The result of water deprivation test was compatible with central diabetes insipidus. Brain MRI showed thickening of the pituitary stalk and loss of high signal in the neurohypophysis. Craniotomy and excisional bi6opsy was done under the impression of pituitary tumor. Microscopically, neurohypophysis showed dense lymphocytic infiltration and no malignant cells. Six months after the operation, the previously thickened pituitary stalk and neurohypophysis appeared normal in follow-up MRI.
벽 근처에서 자유 낙하하는 입자의 마이크로 유체 관점 수치해석
김정목(Joeng Mok Kim),백성열(Seong Yeol Bak),박중열(Joong Yull Park) 대한기계학회 2022 대한기계학회 춘추학술대회 Vol.2022 No.11
Cell-size particle in microfluidics seems to move slower near wall, even in static fluid. The cell has very small volume compared to channel or well. Usually, the cell itself does not affect the flow of channel, due to its size and density. But in this paper, we have regarded the cell as sphere that has volume, momentum and torque, by using Macroscopic Particle Model (MPM) to consider the wall-effect of free-falling particle. To validate the result, 200~300 μm glass bead was used for both simulation and experiment. Simulation shows that the cell dropped near wall was slowed down to 23.5% comparing to free-fall without wall-effect. While experiment data does not match well with simulation, the same tendency of slower falling velocity near wall was observed. Also, the particles dropped near wall tends to move to center of channel, which would help forming the spheroid or inspecting the collision activities of cells.
김현국(Hyun Kuk Kim),윤지열(Ji Yeol Yoon),이은영(Eun Young Lee),이창근(Chang Keun Lee),박중열(Joong Yeol Park),유빈(Bin Yoo),문희범(Hee Bom Moon) 대한내과학회 2002 대한내과학회지 Vol.63 No.4
Glycogen storage disease type Ia (GSD-Ia) is an autosomal recessive disorder that has defects in glucose-6-phosphatase (G6Pase) in liver, kidney and intestinal mucosa. The defect leads to inadequate conversion of glucose-6-phospate to glucose in the liver and thus makes affected individuals susceptible to fasting hypoglycemia, hyperuricemia, lactic acidemia and hyperlipidemia. Hyperuricemia has been observed in a considerable number of patients and in some of those, clinical gout has occurred. Inhibited tubular secretion of uric acid due to hyperlacticacidemia and ketonemia, and overproduction of uric acid have been postulated as a mechanism for hyperuricemia in patients with GSD-Ia. A 30-year-old male was admitted with fatigue, foot pain and multiple gouty tophi on knee, ankle, and elbow. GSD-Ia and gout were confirmed by analysis of the G6Pase gene and tophi aspiration respectively. He was treated with allopurinol and uncooked cornstarch. After treatment, foot pain improved and the number and size of tophi were decreased.(Korean J Med 63:421-425, 2002)
벽 근처에서 자유 낙하하는 입자의 마이크로 유체 관점 수치해석
김정목(Joeng Mok Kim),백성열(Seong Yeol Bak),박중열(Joong Yull Park) 대한기계학회 2022 대한기계학회 춘추학술대회 Vol.2022 No.11
Cell-size particle in microfluidics seems to move slower near wall, even in static fluid. The cell has very small volume compared to channel or well. Usually, the cell itself does not affect the flow of channel, due to its size and density. But in this paper, we have regarded the cell as sphere that has volume, momentum and torque, by using Macroscopic Particle Model (MPM) to consider the wall-effect of free-falling particle. To validate the result, 200~300 μm glass bead was used for both simulation and experiment. Simulation shows that the cell dropped near wall was slowed down to 23.5% comparing to free-fall without wall-effect. While experiment data does not match well with simulation, the same tendency of slower falling velocity near wall was observed. Also, the particles dropped near wall tends to move to center of channel, which would help forming the spheroid or inspecting the collision activities of cells.
레이노 현상에 의한 수지 괴사로 진단된 원발쓸개관간경화
이우제 ( Woo Je Lee ),강종식 ( Jong Sik Kang ),이기업 ( Ki Up Lee ),박중열 ( Joong Yeol Park ),이상아 ( Sang Ah Lee ),황윤우 ( Yoo Noo Hwang ),윤환 ( Hwang Yoon ) 대한류마티스학회 2011 대한류마티스학회지 Vol.18 No.1
Necrosis of the upper extremity occurs rarely in type 2 diabetic patients compared to lower extremity necrosis. We report a 69-year-old woman with type 2 diabetes mellitus who presented with necrosis of the left 5th finger tip. The patient had primary biliary cirrhosis accompanied by necrosis of the fingertip due to severe Raynaud`s phenomenon. Primary biliary cirrhosis (PBC) is a typical autoimmune disease, which can in rare cases be accompanied by autoimmune symptoms including sicca symptom and Raynaud`s phenomenon. Furthermore, autoimmune diseases, such as systemic sclerosis, rheumatoid arthritis and undifferentiated connective tissue disease (UCTD) can be associated. Although every type of vascular etiology should be considered as a cause of digital necrosis, Raynaud`s phenomenon is usually not considered in diabetes. We report this case of finger tip necrosis due to severe Raynaud`s phenomenon accompanied by PBC and UCTD in a diabetic patient.