Climate change increases cases of kidney disease

In Brazil, a new study found that more than 7% of all hospitalizations for kidney disease are associated with increased temperature associated with climate change. There are more than 202,000 people in the study years 2000 to 2015, according to authors from the department of Planetary Health at the School of Public Health and Preventive Medicine at Monash University in Australia.

There are long-standing global health concerns about how the heat will affect workers in the future. Several Previous studies analyzed the links between kidney disease and heat, particularly among agricultural workers in the sugarcane industry in South and Central America.

But Dr. Yuming Guo and Dr. Shanshan Li, who worked with colleagues at the University of São Paulo, say their results come from the largest study in the world to date and the only one that focused on Brazil. The survey was published Sunday in The Lancet Regional Health Magazine – Americas .

It included a review of more than 2.7 million hospitalizations for kidney disease at facilities in 1,816 cities across the country. The authors note that the study sample covered almost 80% of the general population in Brazil, with higher rates of hospitalization in the Northeast and West regions of the country.

Increased temperature and cases of kidney disease

Guo said the research team found that for every 1°C increase in average daily temperature, there is an almost 1% increase in kidney disease. Women were hospitalized more than men, while children under the age of 4 and the elderly over the age of 80 also saw more kidney impacts requiring attention.

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The researchers said the association between temperature and kidney disease was greatest on the day of exposure. extreme heat, but the impacts they saw seemed to last until two days later.

The authors emphasize that Brazil is the fifth most populous country in the world and, despite some limitations of the study, it serves to defend similar effects in other developing nations. The call for more policies to prevent heat-related illness comes as the world gathers for COP26 in Scotland.

“Attention should be given to low- and middle-income countries like Brazil, where reliable heat warning systems and preventive measures are still needed,” said Guo.

In 2017, an article in The Lancet stated that kidney-related diseases were a global public health problem, with an estimated 2.6 million deaths due to kidney failure or limited function that year alone. The incidence of death from kidney disease increased by 26.6% compared to the figures for the previous decade. This new study may anticipate the understanding that the increase was, in part, caused by climate change.

By Lauren Fagan. Article in English

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