http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
케타민의 소량 분할 정주에 희한 척수손상 환자의 통증 관리
한찬수(Chan Soo Han),박진혁(Jin Hyeok Park),김진수 대한통증학회 1999 The Korean Journal of Pain Vol.12 No.1
Chronic pain is a frequent complication after spinal cord injury. Various medical and surgical approaches have been applied for management of spinal cord injury pain but none of them are definitive. The N-methyl-D-Aspartate (NMDA) receptor antagonist, ketamine has been reported to have a significant effect in the management of neuropathic pain. We used small divided doses of intravenous ketamine (30 mg divided by 6 equals 5 mg, 5 min interval) in spinal cord injury patients suffering from chronic pain, and accomplished significant pain relief without side effects
요부 경막외 차단후 발생한 두통 및 기뇌증 - 증례보고 -
한찬수(Chan Soo Han),유진섭(Jin Sup Yu),김일호(Il 대한통증학회 1996 The Korean Journal of Pain Vol.9 No.1
Headache after epidural block is the most frequent result of an unintentional dural puncture. This form of headache is usually caused by cerebrospinal fluid leakage through the dural puncture site. Another proposed cause of postdural puncture headache is the un- intentional injection of air into the subarachnoid space. We experienced a case of severe headache with a patient after lumbar epidural block and discovered air in the intracranial subarachnoid space(pneumocephalus) with the aid of brain computerized tomography.
경막외 Morphine 부작용 치료를 위한 Nalbuphine의 적정 정주 용량
한찬수(Chan Soo Han),최일석(Il Suk Choi),김일호(Il 대한통증학회 1997 The Korean Journal of Pain Vol.10 No.1
N/A Background: Epidural morphine provides excellent postoperative analgesia but is often associated with side effects such as nausea, vomiting and pruritus. It has been reported that mixed agonist-antagonist, nalbuphine can reverse side effects of epidural morphine without compromising analgesia. This study was designed to compare the efficacy of each intravenous dose of nalbuphine for treatment of side effects following epidural morphine. Methods: All patients received continuous infusion(2 ml/hr) of epidural morphine-local anesthetics mixture(morphine 4 mg, 1% mepivacaine 50 ml and 0.25% bupivacaine 50 ml) following a loading dose (morphine 2 mg with 1% mepivacaine 7 ml). Patients requesting treatment for nausea, vomiting and pruritus randomly received intravenous nalbuphine 0.05 mg/kg(Group 1; n=20), 0.1 mg/kg(Group 2; n=20) or 0.15 mg/kg(Group 3; n 20). The severity of nausea, vomiting, pruritus, degree of pain, sedation and vital sign were assessed prior to and 30 min after each dose. Results: The severity of nausea, vomiting and pruritus decreased significantly in all groups(p<0.01). Pain and sedation scores were unchanged in all groups. One patient received nalbuphine 0.15 mg/kg, complained of dizziness, agitation and palpitation. His blood pressure who had increased to 170/100 after first dose. Conclusions: This study suggests that intravenous nalbuphine is good for treatment of side effects following epidural morphine, and the dose of Group 1, 0.05 mg/kg, may be recommended as an optimal dose.
초등과학 교육에서 과학적 창의성 신장을 위한 학습에 관한 연구
배영부 ( Young Boo Bae ),한찬수 ( Chan Soo Han ) 서울교육대학교 초등교육연구원 2006 한국초등교육 Vol.16 No.1
초등과학 교육에서 과학적 창의성 신장을 위한 학습에 관한 연구 A Study on Learning for Development of Scientific Creativity in Elementary Science Education
제초제 Paraquat 중독환자에서 vitamin C 투여가 plasma total antioxidant capacity에 미치는 영향
홍세용(Sae Yong Hong),은수훈(Soo whon Eun),한찬희(Chan Hee Han),윤영근(Yung Kun Yoon),양동호(Dong Ho Yang),조성란(Suk Ran Cho),김휘준(Whi Jun Kim),한찬수(Chan Soo Han),박영현(Yung Hyun Park) 대한내과학회 2000 대한내과학회지 Vol.58 No.6
Background : This study was undertaken to evaluate the effect of plasma concentration of vitamin C is on the plasma total antioxidant status(TAS) in patients with paraquat intoxication. Methods : As a preliminary research for this study, we measured plasma vitamin C levels, uric acid, TAS, and bilirubin from 100 healthy Koreans aged between 25-55 years. Various concentrations of vitamin C were constructed in vitro with normal pooled plasma between 1mg/dl and 100 mg/dL and TAS was measured. Both vitamin C concentrations and TAS were measured from the blood samples, taken at 0.5, 1, 2, 3, 5, 7, 9 hours after a bolus injection of vitamin C(50 mg/kg) from 7 volunteers who had been recruited from medical students at our hospital. Various amounts of vitamin C were given to 10 patients with paraquat intoxication for 5 consecutive days in the morning : first day ; 100 mg single dose, second day; 500 mg single dose, third day ; 1,000 mg single dose, fourth day : 3,000 mg single dose, and fifth day ; 3,000 mg three times every 8 hours. Results : The mean value of TAS and vitamin C measured in 100 healthy Korean adults was 2.22 ±0.16 mmol/L and 0.48±0.10 mg/dL. Age and sex do not influence these levels(p>0.05, data are not presented). A direct correlation was observed between TAS and vitamin C concentrations of 1 mg/dL and 100 mg/dL both in vivo and vitro. As the vitamin C concentration was increased gradually 5 consecutive days, the TAS values increased in the same way as follows : first day(vitamin C 100 mg) 2.26±0.98 mmol/L, second day(vitamin C 500 mg) 2.76±0.78 mmol/L, third day(vitamin C 1.000 mg) 2.81±0.68 mmol/L, fourth day(vitamin C 3.000 mg) 3.18 mmol/L. On the fifth day when 3.000 mg of vitamin C was given by bolus intravenous injection 3 times(every 8 hours for a day), the TAS values measured one hour after the injection was 3.58±0.37 mmol/L. Conclusion : When vitamin C is used as a free radical scavenger, the loading dose and maintenance dose should be around 2278 mg intravenous bolus and 146 mg/hour. High doses of vitamin C are effective and safe for patients with acute paraquat intoxication.(Korean J Med 58:666-674, 2000)
백서의 피부 및 뇌혈류에 미치는 고려홍삼 사포닌 및 비사포닌의 영향
김신희(Shin Hee Kim),김국성(Cuk Seong Kim),박진봉(Jin Bong Park),한찬수(Chan Soo Han),김광진(Kwang-Jin Kim),김신혜(Shin Hye Kim),김세훈(Se Hoon Kim),남기열(Ki Yeul Nam),전병화(Byeong Hwa Jeon) 고려인삼학회 2002 Journal of Ginseng Research Vol.26 No.3
본 연구에서는 혈류량의 변화를 실시간으로 측정할 수 있는 레이져 도플러 혈류량측정장치를 이용하여 피부혈류 및 뇌혈류량에 미치는 고려홍삼의 사포닌과 비사포닌의 효능을 연구하고자 고려홍삼의 정맥내 복강내 및 구강내로 주입하고 혈류의 변화를 관찰하여 다음과 같은 결론을 얻었다. 고려 홍삼<br/> 의 사포닌 성분은 피부혈류량에는 영향을 주지 않으나 뇌혈류량을 증가시키는 효능이 있다. 고려 홍삼의 비사포닌 성분은 피부혈류량 및 뇌혈류량에 거의 영향을 주지 않았다. 고려홍삼 사포닌에 의한 뇌혈류량의 증가는 복강내 및 경구로 투여할 경우는 관찰할 수 있으나 정맥내로 직접 투여할 경우는<br/> 관찰되지 않았다.이상의결과를종합해볼때고려홍삼의 사포닌 성분은 뇌혈류량을 증가시키는 혈류개선작용이 있는 것으로 사료된다. To study the effect of Korea red ginseng (KRG) on the skin and cerebral blood flow, we evaluated the change of skin perfusion rate and cerebral perfusion rate after the intravenous, intraperitoneal, and oral administration of crude saponin (CS) and saponin-free fraction (SFF) of KRG in the rats. The change of skin perfusion rate and cerebral perfusion rate was measured laser doppler flowmetry. The intravenous injections of CS or SFF of KRG and intraperitoneal injection of SFF of KRG did not change the relative skin and cerebral blood flow in the rats. When the rats were treated by the<br/> intraperitoneal injection of CS of KRG, relative cerebral blood flow was significantly increased with a time-dependent manner, however, relative skin blood flow was not influenced by the them. Oral administration of CS of KRG slightly increased skin blood flow in the rats. Also, the change of cerebral blood flow by transient bilateral carotid arterial clamp in the CS-treated rats was significantly decreased, compared with control groups. From the above results, it was suggested that Korea red ginseng have a increasing property of cerebral blood flow in the rats.<br/> Key words : Korea Red Ginseng, Cerebral blood flow, Skin blood flow, Laser Doppler flowmeter.
사파이어의 Fe³^+ -center에 대한 ESR 연구
한찬수,황인섭 순천향대학교 기초과학연구소 2000 순천향자연과학연구 논문집 Vol.6 No.2
An electron spin resonance study of the Fe3+-center in Sapphire has been carried out at room temperature employing the JEOL JE-TE100 X-band spectrometer. The spin Hamiltonian parameters of the center are determined from the measurements using the least-squares method. The sample was prepared from a synthetic corundum doped with iron and titanium, which was grown in the Korean Research Institute of Chemical Technology in Taedok Science Town. It is found that the c-axis is made an angle of about 63˚ with the growing axis of the crystal. All 190 experimental resonance points are used to fit the ESR parameters, the data are well consistent with our calculations with the parameters. There are still unidentified ESR signals in the sample.
Paraquat 양이온 기에 대한 전자 스핀 공명 연구
홍세용,박영현,한찬수 순천향대학교 기초과학연구소 1999 순천향자연과학연구 논문집 Vol.5 No.2
Electron spin resonance studies of the radical + 1 cation of paraquat have been carried out at room temperature using X-band microwave. The observed ESR spectra have very complex hyperfine structure due to hyperfine interactions with the nuclei of 2 nitrogens and 14 hydrogens in the radical. The ESR parameters have been found ??, ??, ??, ??, ?? and the hyperfine constants are very close to pervious reports of Janice A. DeGray et. al.
수정의 가열 및 전자선,자외선 조사효과에 대한 전자 스핀 공명 연구
한찬수 순천향대학교 1994 논문집 Vol.17 No.3
An irradiation of electron beam with about 1.7 MeV on the surface perpendicular to y-axis of clear cultured quartz made x-growth portions the smoky quartz, but dose not change z-growth-portions at room temperature. The smoky quartz had strong ESR signals of ?? centers at 77K, but the clear quartz have not. With increasing annealing temperature of amethyst, the S₁center is increased, the S₂and the purple color are decreased, finally they are disappeared after annealing at about 450℃. The purple color was also bleached after sufficient irradiation of Xe-lamp on amethyst at room temperature, while the S₂center was rather intensified. It seems that the color center of amethyst is concerned with Fe and H in quartz, nevertheless, not the S₂center itself.