Reduced Kidney Function and Heart Risks in Older Patients
Author Information
Author(s): Ian Ford, Vladimir Bezlyak, David J Stott, Naveed Sattar, Chris J Packard, Ivan Perry, Brendan M Buckley, J. Wouter Jukema, Anton J. M de Craen, Rudi G. J. Westendorp, James Shepherd
Primary Institution: University of Glasgow
Hypothesis
Is reduced glomerular filtration rate (GFR) associated with increased cardiovascular and mortality risk in older people?
Conclusion
Impaired GFR in elderly patients is linked to a higher risk of all-cause mortality and cardiovascular events.
Supporting Evidence
- Low eGFR is linked to a higher risk of all-cause mortality and fatal vascular events.
- Participants with eGFR < 40 ml/min/1.73m2 had more than double the risk of death compared to those with eGFR ≥ 60 ml/min/1.73m2.
- Statin treatment showed increased benefits in patients with impaired GFR.
Takeaway
Older people with kidney problems are more likely to have heart issues and die from them. Doctors should not hesitate to give them cholesterol-lowering medications.
Methodology
The study analyzed data from the PROSPER trial, focusing on the relationship between eGFR and clinical outcomes over an average follow-up of 3.2 years.
Potential Biases
Potential biases may arise from the selection criteria and the reliance on eGFR as the sole measure of renal function.
Limitations
The study's population may not represent all elderly individuals with vascular disease due to specific inclusion criteria.
Participant Demographics
Participants were aged 70-82, with a history of vascular disease or risk factors like smoking, hypertension, or diabetes.
Statistical Information
P-Value
0.021
Confidence Interval
1.48–2.80
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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