Ageing meets kidney disease

Alberto Ortiz1,2,3, Francesco Mattace-Raso4, Maria José Soler5

  • 1Department of Nephrology and Hypertension, IIS-Fundacion Jimenez Diaz UAM, Madrid, Spain.

Insights

Chronic kidney disease (CKD) affects kidney structure and function, increasing mortality risk, especially in older adults. As populations age, CKD is projected to become a leading cause of death globally.

Area of Science:

  • Nephrology
  • Gerontology
  • Public Health

Background:

  • Chronic kidney disease (CKD) is defined by kidney structure/function abnormalities lasting over 3 months, impacting health outcomes.
  • Diagnostic criteria include albumin:creatinine ratio ≥30 mg/g or eGFR <60 mL/min/1.73 m², both linked to adverse health.
  • CKD prevalence rises with age, posing significant risks for older adults.

Discussion:

  • CKD is associated with increased all-cause and cardiovascular mortality, accelerated by aging.
  • Premature death is a more frequent outcome than kidney failure requiring replacement therapy.
  • The global aging population projects CKD to become the second leading cause of death by century's end.

Key Insights:

  • Aging accelerates mortality risk in CKD patients, with the highest absolute risk increase in those over 75.
  • Selected studies highlight key topics: cognitive decline, sarcopenia, wasting, cardiovascular/non-cardiovascular morbidity, kidney failure management, and gender differences in CKD progression.
  • CKD represents a growing global health challenge due to demographic shifts.

Outlook:

  • Further research into cognitive decline, sarcopenia, and wasting in CKD patients is crucial.
  • Understanding gender-specific differences in CKD progression is essential for tailored management.
  • Addressing the rising burden of CKD in aging populations requires integrated healthcare strategies.

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