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It's a good thing that severely hypoxic salmon (Salmo salar) have a limited capacity to increase heart rate when warmed.
J Exp Biol
January 2025
Department of Ocean Sciences, Memorial University of Newfoundland and Labrador, St. John's, NL. A1C 5S7, Canada.
With climate change, fish are facing rising temperatures, an increase in the frequency and severity of heat waves and hypoxia, sometimes concurrently. However, only limited studies have examined the combined effects of increases in temperature and hypoxia on fish physiology and survival. We measured the cardiorespiratory physiology of 12°C-acclimated Atlantic salmon when exposed acutely to normoxia [100% air saturation (sat.
View Article and Find Full Text PDFEffects of Isoproterenol Administration in Dobutamine Stress Echocardiography.
Echocardiography
February 2025
Department of Cardiology, MedStar Georgetown University Hospital, Washington, DC, USA.
Objective: This study evaluated the safety and efficacy of isoproterenol administration as an adjunct for achievement of target heart rate (HR) during dobutamine stress echocardiography (DSE).
Background: In DSE, optimal accuracy is achieved when a target HR of 85% of maximal predicted heart rate (MPHR) is attained. Although rarely studied, intravenous isoproterenol has been used as an adjunct therapy to dobutamine and atropine to increase chronotropic response during pharmacologic stress testing.
Novel chlorinated oxime K870 protects rats against paraoxon poisoning better than obidoxime.
Drug Chem Toxicol
January 2025
Centre for Biomedical Research, Faculty of Medicine, University of Banja Luka, Banja Luka, Bosnia and Herzegovina.
The aim of this study was to determine the antidotal potential of the chlorinated oxime K870 compared to obidoxime, as a monotherapy and in combination with atropine, in paraoxon (POX)-poisoned rats. The treatment doses of oximes were chosen as 20% of their LD values. The protective ratio (PR) of oxime K870 with atropine was significantly higher than that of obidoxime with atropine (68.
View Article and Find Full Text PDFTopical brinzolamide-induced ciliary body effusion with secondary angle closure and myopic shift.
BMJ Case Rep
January 2025
Ophthalmology, Royal Adelaide Hospital, Adelaide, South Australia, Australia.
Here, we describe a rare case of drug-induced unilateral ciliary body effusion precipitated by topical brinzolamide, presenting acutely with pain, angle closure and myopic shift.Ciliary body effusion was suspected clinically and confirmed by ultrasound biomicroscopy. Brinzolamide was ceased, atropine instilled and the ciliary body effusion promptly resolved without need for further treatment.
View Article and Find Full Text PDFThe Potential of SHAP and Machine Learning for Personalized Explanations of Influencing Factors in Myopic Treatment for Children.
Medicina (Kaunas)
December 2024
Graduate Institute of Business Administration, Fu Jen Catholic University, New Taipei City 242, Taiwan.
The rising prevalence of myopia is a significant global health concern. Atropine eye drops are commonly used to slow myopia progression in children, but their long-term use raises concern about intraocular pressure (IOP). This study uses SHapley Additive exPlanations (SHAP) to improve the interpretability of machine learning (ML) model predicting end IOP, offering clinicians explainable insights for personalized patient management.
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