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양동호,이상협,차승환,이종찬,Yang, Dong-Ho,Lee, Sang-Hyeop,Cha, Seung-Hwan,Lee, Jong-Chan 한국기계가공학회 2022 한국기계가공학회지 Vol.21 No.6
Automobile brake discs are a major part of automobiles that are directly related to driver safety, and prevention of judder and squall noise is very important. This phenomenon occurs for complex reasons such as the precision and assembly of the brake module, and the material of the brake disc. The purpose of this study is to analyze the effect of the grinding wheel's grain size on the grinding conditions when machining cast iron, the material of the brake disc, and to derive the optimal grinding conditions through this.
의인성 쿠싱 증후군과 동란하여 발생한 스테로이드 근병증과 요추 압박 골절 1예
양동호,임창선,김성근,이경윤,신현승,임준혁,Yang, Dong-Ho,Lim, Chang-Sun,Kim, Sung-Keun,Lee, Kyung-Yun,Sin, Hyun-Sueng,Yim, Jun-Hyok 척추신경추나의학회 2009 척추신경추나의학회지 Vol.4 No.2
Objective : The purpose of this study is to report the improvement after the acupuncture therapy and herbal medicine about a patient who has latrogenic Cushing with steroid induced myopathy and compression fracture of L-spine. Methods : We treated the patient with Neutral Blood Stasis herbal acupuncture, acupuncture therapy and herbal medication. Results : We have experienced one case of latrogenic Cushing syndrome with steroid induced myopathy and compression fracture of L-spine. This case improved significantly through acupuncture and herbal medication treatment. Conclusions : This study suggests manual acupuncture therapy and herbal medication is effective for the improvement of latrogenic Cushing syndrome with steroid induced myopathy and compression fracture of L-spine.
DBS(Deep Brain Stimulation)를 시행한 Essential Tremor 환자의 진전 간정격 치험 1례
양동호,이경윤,신현승,조송현,임창선,임준혁,윤석훈,이한 대한침구의학회 2010 대한침구의학회지 Vol.27 No.6
Objectives : The purpose of these case is to observe the effect of prescription of liver supplementation on essential tremor patient who was operated DBS. Methods : The patient was treated by prescription of liver supplementation. The improvement of patient was judged by tremor scale and VAS(visual analog scale). Results : After treatment patient’s tremor scale grade and VAS score were generally decreased. Conclusions : The prescription of liver supplementation might be an effective method to treat the essential tremor patient who was operated DBS.
양동호,오명진,김재한,윤병옥,서기현,홍세용,김의한 대한신장학회 1999 Kidney Research and Clinical Practice Vol.18 No.6
Spontaneous renal allograft rupture is an uncommon complication of renal transplantation, but it represents a life-threatening emergency that requires prompt recognition and treatment. The incidence of spontaneous renal allograft rupture is variable and range between 3.6 and 9.6 percent of all transplants. In the majority of cases the rupture is associated with acute rejection episodes and with renal vein thrombosis. Most frequently, the allograft rupture occurs within the first 2 weeks of transplantation. in addition, most ruptures reported have occurred in cadaveric renal allograft. Debate on the management of such allograft salvage versus transplant nephrectomy. It appears that the recent trend is toward performing surgical repair of the graft if the rupture is secondary to rejection and oo evidence of renal vein thrombosis ; otherwise, graft nephrectomy be done. We report a case of spontaneous renal allograft rupture due to renal vein thrombosis occurred in a 21-year-old woman 6 days after transplantation. Unusual severe localized pain, swelling over at allograft site, and hypotension, a triad frequently seen in renal allograft rupture, were present. Management by graft nephrectomy was inevitable because of the patient's downhill course.
인간 대뇌피질에서 고칼륨에 의한 [^3H] Norepinephrine 유리의 특성
양동호,조규박,김형근 의과학연구소 1998 全北醫大論文集 Vol.22 No.2
It has been reported that norepinephrine(NE) and Υ-aminobutyric acid(GABA) play important roles in epileptic seizure. IN human central nervous system, however, characteristics of NE release and the influe-nce of GABA have not been elucidated yet. In this study, the mechanism of autoregulation [^3H]NE release evoked by high-potassium and the influence of GABAergic drugs were investigated in epileptic human ce-rebral cortex slices. Potassium stimulated [^3H]NE release in a dose-dependent manner. High potassium(15mM)-evoked release of [^3H]NE was abolished by removal of calcium from incubation media. Tetrodotoxin(TTX), also, profoundly inhibited [^3H]NE release. Clonidine and oxymetazoline, agonists for α_2-adrenocep-tor, inhibited the potassium-evoked release of [^3H]NE in a dose-dependent manner, respectively. Yohim-bine, an antagonist for α_2-adrenoceptor, potentiated [^3H]NE release in a dose-dependent manner. The inhi-bitory effect of clonidine on [^3H]NE release was antagonized by 0.1 μM of yohimibine. however, phenyle-phrine and methoxamine, agonists for α_1-adrenoceptor, did not inhibit the potassium-stmulaed release of [^3H]NE Desipramine, a NE transporter blocker, potentiated [^3H]NE release in a dose-dependent manner. Baclofen, a GABA_B agonist, inhibited the potassium-stimulated [^3H]NE release. The inhibitory effect of bac-lofen was antagonized by 5-aminovaleric acid(5-AV), a GABA_B antagonist. Neither, muscimol, a GABA_A ago-nist, nor bicuculline, a GABA_A antagonist, influenced on the potassium-stimulaed [^3H]NE release. These results suggest that high potassium-stimulated release of NE is autoregulated by α_2-adrenoceptor, and released NE is removed by Ne transporter from synaptic cleft, that the potassium-stimulated release of NE can be regulated by GABA receptors, not GABA_A but GABA_B, in human cerebral cortex. (KEy words : Human Cerebral cortex, norepinephrine release, opioid receptor)