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Ophthalmological outcome of 6.5 years children treated for retinopathy of prematurity : A Swedish register study

Aims: To determine the ophthalmological outcome at 6.5 years of age in children treated for retinopathy of prematurity (ROP), and registered in the national Swedish National Register for ROP register. Methods: Data on ROP, treatment and ophthalmological outcome were retrieved from the register. Visual acuity (VA), refractive errors and strabismus, together with visual impairment (VI) and any signi

Experimental study on the pull-down performance of a −80°C cascade refrigeration freezer

To cope with global climate change, chlorofluorocarbons and hydrofluorocarbons refrigerants have been or will be abandoned by different countries worldwide. Natural refrigerants seem to be promising substitutes in the near future. In this study, eco-friendly refrigerants R290 and R170 are adopted as high-temperature and low-temperature fluid in a cascade refrigeration freezer to generate −80°C. Th

Geometrical and environmental effect on fire behaviour of polyurethane foam slabs

This study presents the results of a set of large-scale fire tests performed on horizontal polyurethane foam slabs. Slab thickness, ignition location, and environment (free burn or corner wall) were varied over 23 individual tests. In a continuation of a previous study by the authors, four different slab thicknesses, five different ignition locations, and three environmental modification combinati

Mild hypothermia attenuates ischemia/reperfusion injury - insights from serial non-invasive pressure-volume loops

BACKGROUND: Mild hypothermia, 32-35°C, reduces infarct size in experimental studies, potentially mediating reperfusion injuries, but human trials have been ambiguous. To elucidate the cardioprotective mechanisms of mild hypothermia, we analyzed cardiac performance in a porcine model of ischemia/reperfusion, with serial cardiovascular magnetic resonance (CMR) imaging throughout one week using non-i