Caffeine may help patients with Chronic kidney disease to live longer

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Chronic kidney disease

Chronic kidney disease

Chronic kidney disease (CKD) is one of the leading causes of death in the United States and also in world. But a new study says, drinking more coffee may help patients with the condition to improve their state.

According to researchers, patients with CKD who consumed the highest amounts of caffeine saw their mortality risk cut by almost a quarter, compared with those who consumed the lowest amounts.

However, CKD is a progressive condition where the kidneys lose their ability to filter water and waste products from the blood. Also, CKD may progress to kidney failure making kidney transplantation or dialysis the only treatment options.

In the U.S. more than 30 million adults have CKD, and 661,000 U.S. individuals facing kidney failure. In 2014, around 48,000 U.S. citizens died from kidney disease. The disease is the ninth leading cause of death in the country.

Caffeine life-prolonging benefits

Several studies already said caffeine for its potential life-prolonging benefits. But, new study says that it is unclear whether or not patients with CKD may harvest such benefits.

To find out, Study co-author Dr. Bigotte Vieira, of the Centro Hospitalar Lisboa Norte in Portugal and colleagues, examined National Health and Nutrition Examination Survey data in between 1999–2010, identifying 2,328 patients who had CKD.

They assessed daily caffeine consumption of participants at study, and subjects divided into four groups based on their data.

The researchers then looked at the mortality of each participant and identify association with caffeine intake.

Compared with subjects in the first quartile of caffeine consumption, those in the fourth quartile 24 percent less likely to die of all causes. While, in the second and third quartile had a 12 percent and 22 percent lower risk of all-cause mortality.

According to the researchers, the findings remained after accounting for participants’ age, gender, race, blood pressure, smoking status, body mass index, and other possible confounders.

However, the study is under observational, and unable to prove cause and effect between higher caffeine consumption and reduced mortality in patients with CKD.