To find out the good visual environment for reading, the methods of illumination were studied using Arden Contrast Sensitivity System. Among various factors for comfortable reading condition such as air condition, temperature, humidity, noise and light, the intensity and characters of illumination were the most important factors for eye health. If the character of illuminations are fairly good, to make the brighter condition is better for eye hdalth. But in artificial illumination, there are so many limitations for supplying light of good characters. So we set the luminosity on the desk to 500 lx in which tbe best visual acuity presented, and checked the contrast sensitivity by changing the luminosity of the room. The results suggested that the condition in which luminosity on the desk was higher twice than the room was favorable for reading.
Contrast Sensitivity* ; Humidity ; Lighting* ; Noise ; Visual Acuity

To clarity the effect of biliary obliteration on copper metabolism of rat liver and on the hepatic morphology, 0.5% cuppuric sulfate was administered intraperitoneally for 42 days following ligation of the common bile duct (CBD) of Sprague-Dawley rats. The blood copper concentration, the hepatic copper content and the accumulation patterns of copper and copper binding protein in the liver were examined and compared with those of the simple CBD ligation group and the simple copper over loaded group. CBD ligation induced marked proliferation of bile ductular structures which, after expanding the portal tracts, invaded and divided the hepatic lobules. There was, however, no excess fibosis beyond what needed to support the new ductules. The blood copper concentration and the hepatic copper content were increased by copper overload with or without CBD ligation, particularly incases with CBD ligation. Liver cell necrosis did not occur by the overloaded copper alone in rats. The hepatic copper and copper binding protein were accumulated at periportal liver cells in the group of coppe overload after CBD ligatio, whereas they began to appear at perivenular hepatocytes in the simple copper overloaded group. In conclusion, it is suggested that CBD ligation does not induce excess fibrosis or liver cirrhosis in rat as far as during our experimental period, but affect significantly on copper metabolism by intrahepatic redistribution of the copper and the copper binding proteins.
Rats ; Animals

No abstract available.
Humans ; Male*

No abstract available.
DNA* ; Humans* ; Papilloma* ; Respiratory System*

Fifteen cases of genital warts were examined for the presence of human papillomavirus (HPV) using polymerise chain reaction (PCR). HPV6/11 DNA were found in all cases of genital warts. The PCR based methods described here provide a sensitive, accurate means of detecting genital HPVs.
Condylomata Acuminata ; DNA ; Humans* ; Papillomaviridae* ; Polymerase Chain Reaction*

OBJECTIVE: The availability of suicide methods affects the risk of suicide attempts. This study examined the patterns of substances ingested by suicide attempters (SAs) and the characteristics of SAs using psychotropic overdoses. METHODS: Data for 384 of the 462 eligible SAs who used self-poisoning were analyzed. Demographic variables, clinical characteristics, and factors related to the suicide attempts were examined. RESULTS: There were 256 (66.7%) females and 128 (33.3%) males. Roughly half the SAs ingested psychotropics (n=179, 46.6%). Agricultural chemicals (n=84, 21.9%) were the second most frequently ingested substances, followed by analgesics (n=62, 16.1%), household products (n=27, 7.0%), and other prescribed medications (n=23, 6.0%). Among psychotropics, the most frequently overdosed drugs were sedative-hypnotics, including hypnotics (n=104) and benzodiazepines (n=78). SAs favored Z-drugs and alprazolam. When compared with SAs with non-psychotropic overdoses, significantly more SAs with psychotropic overdoses were female (76% vs. 58.5%, p<0.001) and had a psychiatric history (59.8% vs. 29.8%, p<0.001). They had significantly more previous suicide attempts (0.52+/-1.02 vs. 0.32+/-0.80, p<0.05) and lower risk (7.96+/-1.49 vs. 8.44+/-1.99, p<0.01) and medical severity (3.06+/-0.81 vs. 3.37+/-0.93, p<0.005) scores. CONCLUSION: Psychotropic overdose, especially with sedative-hypnotics, was a major method in suicide attempts. It is important that psychiatric patients are carefully evaluated and monitored for suicidality when prescribing psychotropics.
Agrochemicals ; Alprazolam ; Analgesics ; Benzodiazepines ; Drug Overdose ; Female ; Household Products ; Humans ; Hypnotics and Sedatives ; Korea* ; Male ; Prevalence* ; Psychotropic Drugs ; Suicide* ; Suicide, Attempted

BACKGROUND: Diffusion-weighted MR imaging (DWI) was designed to detect the random molecular otion of water in tissue. DWI has gained increasing interest recently because it can demonstrate yperacute stroke earlier than any other imaging methods so far. The purpose of our study was to etermine the clinical usefulness and significance of DWI compared with those of Fast Spin Echo T2-weighted image (SE T2WI) and Fluid Attenuated Inversion Recovery (FLAIR) image in acute and subacute ischemic stroke. METHOD: Twenty-five adult patients with clinical diagnoses of acute or subacute cerebral infarctions were imaged with fast SE T2WI, FLAIR and DWI using a 1.5-T image. RESULTS:All the patients had areas of high signal intensity indicating acute or subacute lesions on DWI and these lesions provide an excellent clinicoanatomic correlation. CONCLUSIONS: DWI is most useful in the diagnosis and localization of acute or subacute lacuna or subcortical infarction in patients with preexisting chronic infarctions or white matter hyperintensity showing high signal intensity similar to acute or subacute infarctions on T2WI or FLAIR image.
Adult ; Brain ; Cerebral Infarction ; Diagnosis ; Diffusion* ; Humans ; Infarction ; Magnetic Resonance Imaging ; Stroke*

Purpose: This retrospective study investigated the feasibility, diagnostic, and therapeutic advantages of the gastrografin challenge on patients with adhesive small bowel obstruction (ASBO). Methods: There were 125 patients reviewed who were admitted to the Department of General Surgery at a single institution (September 2018 to August 2019) with a diagnosis related to ASBO. The study population included 100 patients (114 cases) who had received initial conservative management. Patient characteristics and operation rates were compared between the gastrografin challenge success group and failure group, and operation rates and length of hospital stay were compared between the gastrografin challenge group and “non-challenge” group. Results: During the study period, 21 patients with ASBO underwent the gastrografin challenge. The challenge was successful in 17 patients where the bowel obstruction was resolved without the need for surgery. Among patients who failed the challenge, 2 patients underwent adhesiolysis and 2 patients were able to progress their diet avoiding surgery. In patients who underwent surgery (n = 2), the length of hospital stay was significantly shorter in the gastrografin challenge group compared with the “non-challenge” group sub analysis (n = 13 cases; 10.5 vs. 20 days, p = 0.038), indicating that the gastrografin challenge assisted rapid decision-making for surgery. No adverse events were reported for the 21 gastrografin challenges. Conclusion In patients with ASBO, the gastrografin challenge is an accurate, safe method to determine the need for surgery. In addition, the gastrografin challenge may reduce the length of stay in patients who required surgery for ASBO resolution.

Purpose: This retrospective study investigated the feasibility, diagnostic, and therapeutic advantages of the gastrografin challenge on patients with adhesive small bowel obstruction (ASBO). Methods: There were 125 patients reviewed who were admitted to the Department of General Surgery at a single institution (September 2018 to August 2019) with a diagnosis related to ASBO. The study population included 100 patients (114 cases) who had received initial conservative management. Patient characteristics and operation rates were compared between the gastrografin challenge success group and failure group, and operation rates and length of hospital stay were compared between the gastrografin challenge group and “non-challenge” group. Results: During the study period, 21 patients with ASBO underwent the gastrografin challenge. The challenge was successful in 17 patients where the bowel obstruction was resolved without the need for surgery. Among patients who failed the challenge, 2 patients underwent adhesiolysis and 2 patients were able to progress their diet avoiding surgery. In patients who underwent surgery (n = 2), the length of hospital stay was significantly shorter in the gastrografin challenge group compared with the “non-challenge” group sub analysis (n = 13 cases; 10.5 vs. 20 days, p = 0.038), indicating that the gastrografin challenge assisted rapid decision-making for surgery. No adverse events were reported for the 21 gastrografin challenges. Conclusion In patients with ASBO, the gastrografin challenge is an accurate, safe method to determine the need for surgery. In addition, the gastrografin challenge may reduce the length of stay in patients who required surgery for ASBO resolution.

In situ hybridization using biotinylated HPV(Human papillomaviruses) probes was performed to detect HPV DNA in 24 patients with genital wart-like lesions. The lesions were divided into two groups, with or without dysplastic changes histologically. We could detect HPV6/11 in 13 of 17 lesions(76.5%) without dysplastic changes. HPU16/18 was detected in a case with dysplastic changes. HPV6/ll was also detected in a case considered to be misdiagnosed as bowenoid papulosis. Oncogenic HPV such as HPV16/18 was found in one of histologically splastic lesions(14.3%).
Condylomata Acuminata* ; DNA* ; Humans* ; In Situ Hybridization