Residents in hot, humid regions more likely to have kidney failure
(Photo credit: Peopleimages.com/Adobe Stock )
A University of Queensland study investigated the influence of climate zones and geographic disparities on the incidence of patients needing kidney transplants or dialysis.
Dr Darsy Darssan from UQ’s School of Public Health said higher incidences were identified in locations with hot temperatures and greater humidity.
“These areas were also likely to be located in rural or remote areas and have a lower socioeconomic status, highlighting the complex interplay of the driving factors,” Dr Darssan said.
“There are serious inequities in these disadvantaged and remote populations with hotter climates that need to be addressed through improved access to care and expanded prevention programs.”
The study looked at data from almost 50,000 Australian adults who started treatment for kidney failure between 2000 and 2020, within the 6 zones of the Bureau of Meteorology’s climate classifications.
Associate Professor Nick Osborne said variations in incidents of kidney failure were also apparent across climate zones within –and between – major cities, with Darwin at highest risk.
“Dehydration can increase kidney stress and potentially accelerate the progression of kidney disease,’’ Dr Osborne said
“Remote areas may mean reduced access to healthcare, further exacerbating the risk.
“Patients requiring dialysis are particularly vulnerable during extreme weather events, and it is critically important that they have reliable healthcare access.
“By taking advantage of Australia’s large size, it enables an assessment of the impact of variations in climate on the incidence of kidney failure.”
Incidents of kidney failure across capital cities
Scroll through maps to see incidence of kidney dialysis or transplant in state capital cities.
Scroll through the images to see which Australian capital cities have the highest incidences of kidney failure.
(Photo credit: The University of Queensland )
Royal Melbourne Hospital Nephrologist Dr Mark Tiong said the findings reinforced the value of viewing health holistically and considering bio-psycho-social and environmental factors.
“As the climate continues to change, incorporating these broader factors into our understanding of kidney disease will be important for planning equitable, practical, and sustainable care,” Dr Tiong said.
The data was provided by the Australian and New Zealand Dialysis and Transplant (ANZDATA) registry.
The research is published in BMC Medicine.
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