Fixed-rate insulin for adult diabetic ketoacidosis is associated with more frequent hypoglycaemia than rate-reduction method: a retrospective cohort study.

Objective: To assess whether hypoglycaemia incidence during management of adult diabetic ketoacidosis (DKA) differed following transition from a fixed-rate insulin protocol to a protocol using an empiric insulin rate reduction after normoglycaemia.

Methods: We retrospectively reviewed charts from adult patients managed with a DKA order set before and after order set revision. In cohort 1 (n = 77), insulin rate was 0.

Micronutrients and dengue.

Dengue virus infection is the most widespread mosquito-borne viral infection in humans and has emerged as a serious global health challenge. In the absence of effective treatment and vaccine, host factors including nutritional status, which may alter disease progression, need investigation. The interplay between nutrition and other infections is well-established, and modulation of nutritional status often presents a simple low-cost method of interrupting transmission, reducing susceptibility, and/or ameliorating disease severity.

Short sampling intervals reveal very rapid root turnover in a temperate grassland.

Although root growth and mortality play critical regulatory roles in terrestrial ecosystems, little is known about the temporal scale of these dynamics. In temperate grasslands, root dynamics may be particularly rapid because of the high proportion of production allocated to very fine root biomass. In this study, we used minirhizotron tubes to estimate root growth and mortality in an upland grassland in Yellowstone National Park that was grazed by migratory herds of ungulates.

Televised movie trailers: undermining restrictions on advertising tobacco to youth.

Objective: To determine the proportion of televised movie trailers that included images of tobacco use during 1 year and the extent of youth exposure to those trailers.

Design: Content analysis combined with Nielsen data measuring media exposure. All movie trailers (N = 216) shown on television from August 1, 2001, through July 31, 2002.