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Cold weather may increase stroke risk

Published

9 years ago

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London: Cold weather is associated with increased risk of ischaemic stroke in patients with atrial fibrillation (AF), a condition characterised by irregular rhythm of the heartbeat, shows results of a study involving nearly 290,000 patients.

“Our study shows a clear association between temperature and risk of ischaemic stroke in patients with AF,” said researcher Tze-Fan Chao, cardiologist at National Yang-Ming University in Taiwan.

The findings indicate that cold climates may promote the formation of blood clots within the left atrium and increase the risk of stroke for AF patients.

“Risk may increase in cold weather because of the pro-coagulant status,” Chao noted.

The study involved 289,559 new-onset AF patients from the “National Health Insurance Research Database” in Taiwan during 2000 to 2011.

Among the Taiwan AF cohort, 34,991 patients suffered from an ischaemic stroke during the mean follow up of three years.

The risk of ischaemic stroke was higher among the months with a lower average temperature

In addition, the incidence of ischaemic stroke was highest in winter and lowest in summer

Compared to summer, the risk of ischaemic stroke increased by 10 percent in spring and 19 percent in winter. Stroke risk did not differ significantly between summer and autumn.

The finding was presented at European Society of Cardiology (ESC) Congress 2015 in London.

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Covid toll in Karnataka is a worrying sign for state government

Published

3 years ago

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May 4, 2022

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Even though Karnataka recorded the lowest number of Covid deaths in April since the virus struck first in 2020, the state is recording a rise in the positivity rate (1.50 per cent). Five people died from the Covid infections in April as per the statistics released by the state health department. In March, the positivity rate stood around 0.53 per cent. In the first week of April it came down to 0.38 per cent, second week registered 0.56 per cent, third week it rose to 0.79 per cent and by end of April the Covid positivity rate touched 1.19 per cent.

on an average 500 persons used to succumb everyday in the peak of Covid infection, as per the data. Health experts said that the mutated Coronavirus is losing its fierce characteristics as vaccination, better treatment facilities and awareness among the people have contributed to the lesser number of Covid deaths.

During the 4th and 6th of April two deaths were reported in Bengaluru, one in Gadag district on April 8, two deaths were reported from Belagavi and Vijayapura on April 30. The first Covid case was reported in the state in March 2020 and three Covid deaths were recorded in the month. In the following month 21 people became victims to the deadly virus, and May 2020 recorded 22 deaths. The death toll recorded everyday after May crossed three digits. However, the third wave, which started in January 2

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