The intravenous administration of midazolam is widely used as sedative premedication for upper gastrointestinal endoscopy. We performed a study to evaluate the effectiveness and safety of midazoiam as premedication for upper gastrointestinal endoscopy. Between June 1995 and October 1995, 112 patients of diagnostic esophago-gastroduodenoseopy were enrolled in the study. The patients were recieved a bolus midazolam 0.~03mg/kg or placebo, followed by typical anesthesia. The blood pressure, pulse and oximeter values were monitored. The systolic blood pressure and heart rate were increased during endoscopy in compared with before premedication, and normalized immediately. There was no significant change of arterial oxygen saturation. Midazolam induced amnesia completely in 49.2% and partially in 27.2%, and all patients were recovered completely in 1 hour. The tolerance score is higher in the midazolam group as compared with the placebo group(p<0.05), and midazolam group would accept the same sedation for repeated endoscopies(p<0.01). We conclude that midazolam has beneficial effects as premedication for upper gastrointastinal endoscopy without significant altteration in cardiopulmonary parameters. This suggest that midazolam may be used more frequently as premedication, especially in the cases of repeated endoscopy.
Administration, Intravenous ; Amnesia ; Anesthesia ; Blood Pressure ; Endoscopy ; Endoscopy, Digestive System ; Endoscopy, Gastrointestinal* ; Heart Rate ; Humans ; Midazolam* ; Oxygen ; Premedication*

No abstract available.

Colonoscopic polypectomy is an effective method for prevention of colorectal cancer and has become one of the most common procedures worldwide. Most colorectal polyps can be removed safely by various polypectomy techniques; however, serious complications can occur. Postpolypectomy bleeding is the most common complication of colonoscopic polypectomy, accounting for 0.3% to 6.1% of polypectomy. This issue summarizes various endoscopic techniques to treat postpolypectomy bleeding.
Accounting ; Colonic Polyps ; Colonoscopy ; Colorectal Neoplasms ; Hemorrhage ; Polyps

No abstract available.
Nasal Cavity* ; Solitary Fibrous Tumors*

Mitomycin C(MMC), an antineoplastic drug, is a potent inhibitor of cell mitosis, and the intravitreal application of MMC can be a useful treatment for proliferative vitreoretinopathy by inhibiting intraocular cellular proliferation. We investigated the retinal toxicity of an intravitreal injection of MMC in the pigmented rabbits electroretinographically and histologically. Pigmented rabbits received various dosages of intravitreal MMC(1.0, 2.0, 3.0, 4.0, 10.0 microgram) at a constant volume of 0.1ml. Eltroretinographic data were obtained on 1, 3, 5, 7, days after injection and compared with preinjection ERG data. On 14 days after injection, we evaluated the retinel toxicity of MMC histologically. A dosage of 1.0 microgram MMC resulted in no demonstrable retinal toxicity by electroretinographical and histological studies. A toxic dose of MMC(2.0, 3.0, 4.0, 10.0 microgram) suppressed the b-wave and that of oscillatory potentials were not affected. This fact may suggest that a toxic dose of intravitreal MMC have caused destructive retinopathy. On the light microscopic examination, the outer layer of the retina was most sensitive to the toxic effect of MMC, and higher than 2.0 microgram dosage of MMC affected all layers of the retina.
Cell Proliferation ; Intravitreal Injections ; Mitomycin* ; Mitosis ; Rabbits ; Retina ; Retinaldehyde ; Vitreoretinopathy, Proliferative

No abstract available.
Gynecology* ; Laparoscopy*

To define the effect of alkalinization of bupivacaine 0.5% in supraclavicular approch of brachial plexus bock, the onset of sensory and motorblock were determined. Fourty physical status ASA 1 were randomly allocated to two groups.: Group 1 (n=20); bupivacaine 0.5% 20 ml (pH 6.0-6.2). Group 2 (n=20); alkalinized buivacaine 0.5% 20 ml (pH 6.9-7.2). Onest of sensory blockade were determined by pinprick in the C4 - T2 skin dermatome, and extend of sensory block was assessed by the number of dermatomes blocked while motor blockade was assessed by scoring on a scale: Grade 1; inability to flex the elbow against resistance. Grade 2; inability to flex the elbow against gravity. Grade 3; inability to flex the wrist against gavity. The results were as follows. 1) The average time for sensory blockade of five dermatonies was significantly more rapid in group 2 (within 15 min) than those in group 1 (over 25 min). 2) The average time of motor blockade was significantly more rapid in group 2 (Grade 1: 2 min 43 sec, Grade 2: 11 min 36 sec) than those in group 1 (Grade 1: 5 min 4 sec, Grade 2: 18 min 36 sec). 3) There was no pneumothorax, phrenic nerve paralvsis and general seizure or other side effects but Horners syndrome in 10 cases and hematoma in 2 cases were observed. The results indicate that alkainized bupivacaine for supraclavicular approch of rachial plexus block has more rapid onset than plain bupivacaine.
Brachial Plexus* ; Bupivacaine* ; Elbow ; Gravitation ; Hematoma ; Horner Syndrome ; Phrenic Nerve ; Pneumothorax ; Seizures ; Skin ; Wrist

OBJECTIVE: This study was designed to investigate 1) sleep changes after antidepressant(dothiepin) treatment, and 2) sleep variables which seem to be associated with clinical response in the depressed patients. METHODS: The subjects consisted of 16 patients who fullfilled the criteria for major depression by the Diagnostic and Statistical Manual,(4th edition). Their sleep was recorded using polysomnography at the baseline and after one week and three weeks of dothiepin treatment. All subjects were further interviewed using Hamilton Rating Scale for Depression (HRSD) to rate the severity of their depression. High response to the drug was defined as a reduction of more than 50% of the HRSD score. Result : The results were as follows : 1) Depressed patients after dothiepin treatment showed more total sleep time(p=0.019), shorter sleep latency(p=0.05), less awake time(p=0.033), more sleep efficiency(p=0.018), more stage 2 sleep(p=0.002), less REM time(p=0.000), and longer REM sleep latency(p=0.004) than before treatment. 2) There were no differences in sleep variables between those who received 1 week and 3 weeks of dothiepin treatment except of th shortening of sleep latency after 3 weeks(p<0.05). 3) Depressive symptom scores on HRSD were reduced after 1 week and 3 weeks of dothiepin treatment as compared with the baseline. 4) High responers showed a tendency of increased wake time(p=0.054), while their stage 4 sleep decreased after 1 week of dothiepin treatment as compared with the low responders(p=0.0136). Conclusions : These results suggest that sleep of the depressed patients after dothiepin treatment tends to be nomalized and sleep chages seem to appear early in the treatment phase. In addition, clinical response might be associated with greater wake time at the baseline and lesser atage 4 sleep 1 week of dothiepin treatment.
Depression ; Dothiepin ; Humans ; Polysomnography ; Sleep, REM

To evaluate a relationship of lumbar lordosis between asymptomatic group and low back pain group, lumbar lordotic angle was measured from standing lateral lumbosacral roentogenogram of 360 men and women between 20 and 49 years of age. We excluded the patients with back deformity, moderate to severe degenerative change of lumbosacral spine, leg length discrepency, and degenerative change of lower leg in both groups. The lumber lordodsis angle was measured with two ways, lumbosacral angle and lumbolumbar angle respectively. Two angles have a line parallel to the top of second lumbar vertebra as the proximal boundary. The distal border of the lumbosacral angle is a line parallel to the top of sacrum. The distal border of the lumbolumbar angle is a line parallel to the bottom of fifth lumbar vertebra. With statistical analysis of the results, we came to followiing conclusion: 1. The mean lumbolumbar angle was 33.62° +0.62° (SEM: standard error of the mean) and the mean lumbosacral angle was 49.91° +0.59° in asymptomatic group. 2. The mean lumbolumbar angle was 34.79° +0.68° and the mean lumbosacral angle was 50.35° +0.76° in low back pain group. 3. No significant difference in lumbosacral and lumbolsacral angle between asymptomatic and low back pain group was identified using general linear models procedure(P>0.5). 4. Analyzing the data by sex, no significant difference in lumbosacral and lumbosacral angle was identified using general linear models procudure(P>0.05). 5. Analyzing the data by age group, no significant difference in lumbosacral angle was identified (P>0.05), but significant difference in lumbolsacral angle was identified using general linear models procedure(P=0.0045).
Animals ; Congenital Abnormalities ; Female ; Humans ; Leg ; Linear Models ; Lordosis ; Low Back Pain ; Male ; Sacrum ; Spine

An university student passed away by an unidentified bullet in a reserve force exercise. An X-ray could not find any bullet from the thorax. The post-mortem examination revealed that the victim had been killed by a 5.56 mm (diameter) bullet. The striation mark of the fatal bullet was coincided with a test fired bullet of a suspect's machine gun. However only blank cartridges had been fired according to the firing range records. Also, the examiner found that the mouth diameter of the fatal blank cartridge case is narrower than the others. In order to explain the strange happening, various situation of blank cartridge firing was considered. The examiner group noticed that the diameter of a blank cartridge mouth fired from an unexpelled bullet including gun may change. The authors test fired a blank cartridge case with a gun including an unexpelled bullet, and compared the shape of the mouth with the fatal blank cartridge case. The mouth shapes of two blank cartridges were coincided. The authors could conclude that the an unidentified suspect charged a bullet in the muzzle of the suspect's gun, and the bullet expelled by the gas pressure of the fatal blank cartridge case.
Autopsy ; Fires* ; Humans ; Mouth ; Thorax