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St. Louis encephalitis (SLE) is endemic in Harris County, Texas. The disease is a public health concern in Houston, the largest city in Harris County, and in the state. Consequently, intensive surveillance for SLE virus in local mosquito populations is carried out by the Harris County Mosquito Control Division each year. In this study, we examined genetic(More)
Drug analyses were performed on 200 blood samples that were taken for alcohol analysis from road users in Tasmania. Alcohol at a concentration of above 0.5 g was found in 75% of the samples, and other drugs were found in 17% of the samples. Cannabis was the most prevalent of these other drugs: it was detected in 6% of road users; benzodiazepine drugs were(More)
BACKGROUND AND OBJECTIVE The study was designed to identify those factors associated with early tracheal extubation following cardiac surgery. Previous studies have tended to concentrate on surgery for coronary artery bypass or on other selected cohorts. METHODS Sequential cohort analysis of 296 unselected adult cardiac surgery patients was performed over(More)
The acute effects of intravenous isosorbide dinitrate during open heart surgery were studied in 15 adult patients. Consistent and significant (p less than 0.001) reductions in pulmonary vascular resistance (25% before, 23% after, cardiopulmonary bypass) and mean pulmonary artery pressure (14% before, 13% after, cardiopulmonary bypass) were observed in the(More)
We have compared, in 51 ASA II and III patients undergoing coronary artery bypass surgery, an inhaled anaesthetic technique based on desflurane, supplemented with low-dose (10 micrograms kg-1) fentanyl, with an i.v. technique using high-dose (50 micrograms kg-1) fentanyl with midazolam for induction. Satisfactory records were available for analysis in 50(More)
Kidney transplantation at the University of Pennsylvania has grown substantially over the past 11 years. Although our transplant volume has increased primarily as a consequence of multiorgan transplants as well as the utilization of historically "marginal" allografts, our post-transplantation outcomes remain excellent in both children and adults. We(More)