Altogether, estimates put the global death toll due to CKD at 1.23 million, and 1.36 million more deaths as a result of CVD secondary to reduced kidney function. Global burden of CKD
The prevalence of CKD worldwide varies from country to country but is typically between 10 percent and 14 percent.
The number of people living with this condition was almost 700 million, but China and India contributed about a third of them, at approximately 130 million and 115 million cases, respectively.
In 2017, the number of countries with 10 million or more cases is 10, including the US, Russia, Japan, Indonesia, Pakistan, Bangladesh, and Vietnam, besides Brazil, Mexico, and Nigeria. There were another 79 countries with 1 million or more cases each.
The impact on productivity and life is immense, says the study. About 7 million years of life were lived with disability, and over 28 million years of life were cut short. The measure of years of life lost to ill-health is disability-adjusted life years, DALYs). In some countries like Samoa and Micronesia, the DALYs were above 1,500 per 100,000 population, whereas in others like Finland, Iceland, and Andorra, there were less than 120 DALYs per 100,000 population. Research gaps
Even though one in every three patients with CKD is in the developing world, most studies come from high-income countries, and the data from these studies measure the prevalence, quality of life, mortality, and complications in these regions.
In Central America, Latin America, and Oceania, the data on CKD is very limited, and the estimates provided in the study are only computational-modeling based derivations. In places with programs for the screening of kidney disease on a large scale, estimates are provided for only smaller groups based on their age group, location, occupation, and other similar classification features.
Yet the writing is on the wall. The study shows massive inequities in the healthcare response to this disease in different parts of the world. Vos sums up: "The evidence is clear: Many nations' health systems cannot keep pace with the dialysis demand. Cases far exceed and are well beyond the ability of those systems to handle. The consequences are deadly." Journal reference:
Global, regional, and national burden of chronic kidney disease, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017 Bikbov, Boris et al. The Lancet, https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)30045-3/fulltext
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