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중추신경흥분제 및 Adenosine이 마우스의 자발운동에 미치는 영향
곽정재,김혜영,김원준,Kwaak, Jung-Jae,Kim, Hea-Young,Kim, Won-Joon 대한약리학회 1983 대한약리학잡지 Vol.19 No.1
The behavioral pattern of an animal is influenced by endogenous and endogenous stimuli such as humoral secretion, neurohumoral transmitters, drugs, light and environmental change. It has teen known that adenosine is a normal constituent of brain, and has sedative or hypnotic effects and anticonvulsant effects, inhibiting the spontaneous firing of cells in the brain via membrane adenosine receptors. Recent studies suggest that the excitatory responses to xanthines in the CNS might be related to the competitive antagonism of xanthines to adenosine. This study was undertaken to Investigate the effects of adenosine and the CNS stimulants such as picrotoxin, strychnine and caffeine on the spontaneous activity of mire, and to examine the influence of adenosine on the seizures induced by large doses of CNS stimulants. Subjects were $20{\sim}30\;g$ adult mice, and the spontaneous activity was measured using the Selective Activity Meter after intraperitoneal injection of adenosine (10 mg/kg), caffeine (100 mg/kg), strychnine(0.2 mg/kg) or picrotoxin(0.5 mg/kg) with or without adenosine pretreatment. The seizures were induced with caffeine(200, 250 and 300 mg/kg), strychnine(1.25 and 1.5 mg/kg) or picrotoxin(10 and 15 mg/kg). The results are summarized as follows : 1) The spontaneous activity in mite was significantly inhibited between 10 and 20 minutes after adenosine treatment. 2) Caffeine and picrotoxin increased the motor activity significantly while strychnine had no effect on the activity. 3) The ambulatory activity in the caffeine, strychnine and picrotoxin treated groups was significantly inhibited by adenosine pretreatment. 4) The seizures were observed with caffeine(200, 250 and 300 m9/kg), strychnine(1.25 and 1.5 mg/kg) or picrotoxin(10 and 15 mg/kg). The caffeine induced seizures were inhibited by adenosine pretreatment, but the strychnine or picrotoxin induced seizures were not affected.
대장암 (大腸癌) 및 담석증을 (膽石症) 동반한 전대장에 (全大腸) 걸쳐 발생된 다발성 대장게실증 (大腸憩室症)
배철환(C H Bae),전승준(S J Jun),조왕기(W K Cho),곽정재(J J Kwaak),이만호(M H Lee),이상종(S J Lee),김광연(K Y Kim) 대한소화기학회 1984 대한소화기학회지 Vol.16 No.1
Mortality rate for large bowel cancer in this country have slightly increased in recent years but are still much lower than those in western countries, while Japanese and Caucasians living in Hawaii are the same risk of developing this tumor. Diverticulum is also extremely low incidence in the Koreans, which correspond to the view that diverticulosis seldom occurred in population with low risk to colorectal carcinoma. We have seen recently a very interesting case of multiple diverticulosis of entire colon associated with colonic carcinoma and gallbladder stone. This 72-year-old man had had frequent occasion of upper abdominal colicky pain and melena since about couple years ago, when his condition was diagnosed as multiple colonic diverticulosis and gallstone disease at this hospital. The medical conservative treatment was given for a while with transient improvement. He was admitted to this hospital because of intractable abdominal pain and vomiting on 27th september 1983. He appeared acutely and chronically ill and moderately anemic. There was some diffuse tenderness overall abdomen but no ascites or masses. Rectal examination was no abnormalities. Several test for occult blood in stool disclosed negative, His condition was not responded for the medical conservative treatment. He received the surgical operation on the 11th hospital day. Post operative abnormalities was additionally found a large tumor along the right colonic surface which was proved as well differentiated adenocarcinoma, associating with gallbladder stone and numerous colonic diverticulosis just like preoperative findings.
긴급 내시경검사에 의한 상부 위장관 출혈의 임상적 고찰
송관석(Gwan Seok Song),안혜진(Hea Jin An),김걸(Geol Kim),최일균(Il Kun Choi),최조영(Jo Young Choi),곽정재(Jeong Jae Gwak),이상용(Sang Yong Lee) 대한내과학회 1988 대한내과학회지 Vol.35 No.2
N/A Upper gastrointestinal tract bleeding has been a common clinical problem for several decades with a relatively high mortality rate. According to the literature the cause and nature of such bleeding is controversial despite the improved diagnostic procedure and treatment method available today. Emergency endoscopy was performed in patients with upper gastrointestioal tract bleeding for a 6year period, from Jan. 1982 to Dec. 1987, at Incheon Christian Hospital. The following results were obtained: 1) The ratio of male to female patients was 3.4:1 2) The age distribution revealed that the peak incidence of bleeding occured in the 5th decade of life. 3) The causative diseases were in the order of frequency of gastric ulcer (28.6%), duodenal ulcer(24.4%), eso. varices (16.8%),erosive gastritis (13.8%) and gastric ca. (8.2%). 4) The mode of bleeding was hematemesis in 27% of the cases, melena in 29%, and mixed type in 44/o. 5) According to Palumbo classification, the severity of bleeding was mimmal in 35.7% of the cases, moderate in 43.9% and massive in 30.4%. 6) Blood transfusions were done in 145 cases (74% of all cases). Of these, 1-5 pints were given in 43% of the cases, 6-10 pints pints in 18%, and more than 26 pints in 0.5%. Blood transfusions were not given in 26% of all cases. 7) Of the 196 ca the time of endoscopic examination after the episode of bleeding was within 6hr in 33 cases(16.8%), within 6-12hr in 46 cases (23.5%), within 12-24hr in 53 cases(27%) and within 24-36hr in 28 cases(14.3%). In total, 67,3% of the cases were examined within 24hr and 95.4% within 48hr. 8) The state of the lesions upon endoscopic examination was active bleeding in (39 cases) 19.9%, recent bleeding in 90 cases(46%), lesion only in 63 cases(32.1%), and no lesions were found in 4 cases(2%). 9) The treatment consisted of medical and surgical methods; medical in 86.2% of the cases and surgical in 13.8%. 10) The overall mortality was 9.7%.