Simran Arora

Heatwave Alert: Outdoor Workers More Prone To Kidney Damage This Summer

Heat stress

In this hot <span>summer</span> period, with rising temperatures, those working outdoors are among the groups most susceptible to developing health problems, especially those related to kidney health. Construction workers, delivery workers, traffic officers, farmers, and sanitation workers all work for long periods outdoors in the sun, which adds continual strain on their bodies. While heat exhaustion and dehydration have been discussed frequently, a less visible but very significant concern is the increasing risk of <span>kidney damage</span>.

In an interview with Health and Me, Dr Anupam Roy, Additional Director – Nephrology and Kidney Transplant, Aakash Healthcare Multi-Speciality Hospital, Dwarka, spoke about the silent impact of the <span>heatwave</span> on outdoor workers.

With continued exposure to heat, there is increased sweating, which results in the insensible loss of a considerable amount of fluid and electrolytes from the body. If this is not matched by adequate fluid replacement, dehydration will set in. Dehydration reduces the amount of blood circulating throughout the body’s systems; therefore, the amount of blood flowing to vital organs, including the kidneys, will be diminished. As a result, the ability to filter waste from the body and maintain an adequate fluid balance is impaired. Reduced circulation to the kidneys will eventually impair their function altogether, thus leading to a greater likelihood of the worker developing an acute kidney injury (AKI).

<h2>How does a heatwave affect the kidneys?</h2>

There is a continuum of challenges that arise when kidney damage occurs as a result of internal heat stress due to poor hydration. The earliest signs are usually fatigue, dizziness, muscle weakness and/or cramps, or reduced urine production. Many people mistakenly believe these symptoms are due to their duties in hot conditions, or they dismiss them as something that will go away with time. By the time they begin to recognise an increase in the severity of their symptoms (for example, a lack of strength or confusion), significant damage to the kidneys may have already developed. Because of this delay in recognising kidney damage, the ability to treat and manage the condition becomes much more difficult.

<h2><span rel="noindex">Chronic dehydration</span></h2>

Chronic dehydration and heat stress also have additional long-term effects on the kidneys. Research has shown that prolonged exposure to heat is linked to a higher incidence of kidney stones and urinary infections in those frequently exposed to high temperatures. Both individuals with traditional risk factors for kidney disease (for example, diabetes or hypertension) and those without such risk factors can develop <span><a href="https://www.healthandme.com/health/chronic-kidney-disease">chronic kidney disease</a></span>. Many agricultural and manual labour workers have been shown to develop this condition in hot climates.

Working and living conditions can further exacerbate the risk of developing chronic kidney disease due to dehydration and heat-related illness. Limited or no access to clean drinking water, a lack of restroom or food breaks, and the expectation to maintain high productivity can reduce workers’ ability to hydrate themselves appropriately. Additionally, many workers may resort to medications such as pain relievers due to discomfort. When such medications are consumed alongside dehydration, they can aggravate kidney damage.

<h2>How to protect your kidneys amid a heatwave?</h2>

To help prevent heat-related damage to the kidneys, awareness and practical measures are essential. Staying hydrated at all times is the most important step, and workers should drink sufficient water even when not thirsty. Employers and agencies must ensure that all employees have easy access to safe drinking water on-site, along with regular breaks to rest in shaded or cool areas. Furthermore, workers should wear lightweight, breathable clothing and have access to shade, hats, and sunscreen to reduce exposure to extreme heat.

Several simple steps can help protect this workforce from the hidden effects of extreme heat. These include avoiding work during the hottest parts of the day, rotating job responsibilities, providing education about the signs of heat-related illnesses, and conducting regular health assessments to monitor kidney health so that any issues are detected early.

Health Conditions A-Z

health

heatwave

kidney damage

Chronic kidney disease

summer

chronic dehydration

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In this hot summer period, with rising temperatures, those working outdoors are among the groups most susceptible to developing health problems, especially those related to kidney health. Construction workers, delivery workers, traffic officers, farmers, and sanitation workers all work for long periods outdoors in the sun, which adds continual strain on their bodies. While heat exhaustion and dehydration have been discussed frequently, a less visible but very significant concern is the increasing risk of kidney damage.In an interview with Health and Me, Dr Anupam Roy, Additional Director – Nephrology and Kidney Transplant, Aakash Healthcare Multi-Speciality Hospital, Dwarka, spoke about the silent impact of the heatwave on outdoor workers. With continued exposure to heat, there is increased sweating, which results in the insensible loss of a considerable amount of fluid and electrolytes from the body. If this is not matched by adequate fluid replacement, dehydration will set in. Dehydration reduces the amount of blood circulating throughout the body’s systems; therefore, the amount of blood flowing to vital organs, including the kidneys, will be diminished. As a result, the ability to filter waste from the body and maintain an adequate fluid balance is impaired. Reduced circulation to the kidneys will eventually impair their function altogether, thus leading to a greater likelihood of the worker developing an acute kidney injury (AKI).How does a heatwave affect the kidneys?There is a continuum of challenges that arise when kidney damage occurs as a result of internal heat stress due to poor hydration. The earliest signs are usually fatigue, dizziness, muscle weakness and/or cramps, or reduced urine production. Many people mistakenly believe these symptoms are due to their duties in hot conditions, or they dismiss them as something that will go away with time. By the time they begin to recognise an increase in the severity of their symptoms (for example, a lack of strength or confusion), significant damage to the kidneys may have already developed. Because of this delay in recognising kidney damage, the ability to treat and manage the condition becomes much more difficult.Chronic dehydrationChronic dehydration and heat stress also have additional long-term effects on the kidneys. Research has shown that prolonged exposure to heat is linked to a higher incidence of kidney stones and urinary infections in those frequently exposed to high temperatures. Both individuals with traditional risk factors for kidney disease (for example, diabetes or hypertension) and those without such risk factors can develop chronic kidney disease. Many agricultural and manual labour workers have been shown to develop this condition in hot climates.Working and living conditions can further exacerbate the risk of developing chronic kidney disease due to dehydration and heat-related illness. Limited or no access to clean drinking water, a lack of restroom or food breaks, and the expectation to maintain high productivity can reduce workers’ ability to hydrate themselves appropriately. Additionally, many workers may resort to medications such as pain relievers due to discomfort. When such medications are consumed alongside dehydration, they can aggravate kidney damage.How to protect your kidneys amid a heatwave?To help prevent heat-related damage to the kidneys, awareness and practical measures are essential. Staying hydrated at all times is the most important step, and workers should drink sufficient water even when not thirsty. Employers and agencies must ensure that all employees have easy access to safe drinking water on-site, along with regular breaks to rest in shaded or cool areas. Furthermore, workers should wear lightweight, breathable clothing and have access to shade, hats, and sunscreen to reduce exposure to extreme heat.Several simple steps can help protect this workforce from the hidden effects of extreme heat. These include avoiding work during the hottest parts of the day, rotating job responsibilities, providing education about the signs of heat-related illnesses, and conducting regular health assessments to monitor kidney health so that any issues are detected early.