Is chronic kidney disease a cardiovascular disease risk factor?

Area of Science:

• Nephrology
• Cardiology
• Public Health

Background:

• Cardiovascular disease (CVD) is a leading cause of mortality in patients with chronic kidney disease (CKD), accounting for up to 50% of deaths.
• A reduced glomerular filtration rate (GFR), a key indicator of CKD, is associated with increased CVD risk.
• The interplay between traditional and nontraditional CVD risk factors in the CKD population requires further elucidation.

Purpose of the Study:

• To review existing studies examining the link between reduced GFR and CVD risk.
• To discuss whether reduced GFR acts as an independent or causal risk factor for CVD in CKD patients.
• To emphasize the importance of temporal association in establishing GFR as a CVD risk factor.

Main Methods:

• Review of community-based cohort studies.
• Analysis of studies in patients with significant comorbidities.
• Examination of data from kidney transplant recipients.

Main Results:

• Reduced GFR in CKD patients is consistently linked to higher CVD incidence and mortality.
• Evidence suggests GFR may function as an independent, nontraditional CVD risk factor.
• The temporal relationship between decreased GFR and CVD events is a critical consideration.

Conclusions:

• Reduced GFR is a significant risk marker for CVD in CKD patients.
• Further research is needed to definitively establish the causal role of GFR in CVD.
• Understanding GFR's independent contribution is crucial for managing CVD risk in CKD.