[Prevention of catheter and endoscope related infection].

Catheters such as venous catheters (e. g., peripheral venous catheters and central venous catheters), epidural catheters and the urethral catheters, as well as endoscopes such as bronchoscopes and transesophageal echo probes are the medical equipments indispensable in medical practice for the anesthesiologists.

[Epidemiological study of hepatitis B and C in 34,336 patients operated at Hiroshima Prefectural Hospital during the period from 1993 to 2000].

Background: We have many chances to deal with blood transfusion in the operation room, and it is important for us to pay more attention to prevent hospital infection.

Methods: We surveyed epidemiologically the prevalence of hepatitis B virus surface antigen (HBV) and hepatitis C virus antibody (HCV) in 34,336 patients operated at Hiroshima Prefectural Hospital from April 1993 through March 2001.

Results: The prevalence of HBV seropositivity was 1.

Effects of morphine on visceral nociception evoked by colorectal distension in rats: comparative examinations of electrophysiological and behavioral responses.

The purpose of this study was to compare the effects of intravenously administered morphine on electrophysiological and behavioral responses to colorectal distension (CRD) and to examine the influence of noxious stimuli applied to another part of the body (a laminectomy) on the visceromotor response to CRD. The effects of morphine (0.1-6.