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Effect of Underlying Renal Disease on Nutritional and Metabolic Profile of Older Adults with Reduced Renal Function
Silvia Lai1, Maria Ida Amabile1, Silvia Altieri2
1Department of Clinical Medicine, Sapienza University of Rome , Rome , Italy.
Background:
Chronic kidney disease is a common condition in the general population, particularly among older adults. Renal impairment is in turn associated with metabolic and nutritional derangements and with increased risk of cardiovascular disease.
Aim:
To compare the metabolic, nutritional, and cardiovascular impact of reduced kidney function between patients with and without known renal disease.
Materials And Methods:
We enrolled consecutive outpatients (age ≥65 years) with reduced renal function who were divided into two groups: Group A with history of renal disease and Group B with unknown renal disease. Metabolic and nutritional parameters, including involuntary body weight loss (BWL) in the previous 6 months, mineral metabolism, inflammatory indices, and left ventricular mass index (LVMI), were evaluated.
Results:
A total of 76 patients were enrolled. Group A (n = 39, M: 24, F: 15) showed greater BWL with a significant reduction of 25-hydroxyvitamin D, transferrin, cholinesterase, albumin, and greater [corrected] LVMI with respect to Group B (n = 37, M: 23, F: 14) (p < 0.01). In addition, Group A [corrected] showed significantly increased intact parathyroid hormone, total cholesterol, low-density lipoprotein, triglycerides, and C-reactive protein when compared to Group B [corrected] (p < 0.05).
Conclusion:
The positive history of renal disease may negatively impact on several metabolic and nutritional parameters related to increased cardiovascular risk among older adults.