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Are Exercise-Induced Premature Ventricular Contractions Associated with Significant Coronary Artery Disease?
J Clin Med
November 2024
Faculty of Medicine, Pasteur University Hospital, 06000 Nice, France.
Article Synopsis
- Exercise-induced premature ventricular contractions (EIPVC) are linked to higher mortality rates, but their connection to coronary artery disease (CAD) is unclear; this study aimed to clarify this relationship in individuals over 35 with cardiovascular risk factors.
- Researchers divided patients into two groups: one with EIPVC (Group A) and another showing exercise-induced ischemia (Group B), and confirmed the presence of CAD through various advanced imaging techniques.
- Among the patients analyzed (46 with EIPVC and 71 showing ischemia), only 11% of those in Group A had CAD compared to 54% in Group B, indicating that EIPVC is less frequently associated with significant underlying CAD than ischemia.
Livestock and poultry manure influence thallium accumulation in chili peppers (Capsicum annuum) under complex toxic elements contamination in soil.
J Hazard Mater
November 2024
College of Resource and Environmental Engineering, Guizhou University, Guiyang 550025, China.
Article Synopsis
- Long-term mining in the Lanmuchang area has contaminated soils with toxic elements like thallium (Tl), arsenic (As), and mercury (Hg), affecting agricultural practices.
- The study examined how different types of manure (chicken, pig, and cattle) influenced Tl accumulation in the pepper plant Capsicum annuum under pollution stress, finding that chicken manure increased accumulation while pig and cattle manure inhibited it.
- Pig manure was most effective in reducing Tl levels in the plant by enhancing root structures that restricted Tl uptake, along with altering soil chemistry, while chicken manure promoted higher Tl absorption.
Bioaccumulation of trace element contaminants with endocrine disruptive (ED) potential has been noted in European brown bears, though evidence of their effects is lacking. Generalized linear models were employed to assess circulating levels of reproductive, stress, and thyroid hormones in relation to arsenic (As), cadmium (Cd), mercury (Hg), lead (Pb) and thallium (Tl) in 53 free-ranging brown bears (Ursus arctos) from two European populations (Carpathian and Dinara-Pindos). Other potential drivers of hormone variation, such as essential elements, ecological factors, physiological variables, and capture methods, were included as predictors.
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