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Revista Colombiana de Nefrología
On-line version ISSN 2500-5006
Abstract
LUJAN RAMOS, Marco Antonio et al. Prevalence of bone mineral metabolism alterations associated with chronic kidney disease not on dialysis. Rev. colom. nefrol. [online]. 2019, vol.6, n.1, pp.17-27. ISSN 2500-5006. https://doi.org/10.22265/acnef.6.1.311.
Background:
chronic kidney disease (CKD) is a public health problem, and bone mineral metabolism disorder is one of its main complications that directly contributes to morbidity and mortality. Several previous studies have shown an increase in its prevalence as the glomerular filtration rate (GFR) decreases, however, we do not have data from our country or Latin America.
Methods:
We conducted a unicentric cross-sectional study in a nephrology consultation service in adults with CKD G1 to 5 who were not in renal replacement therapy, evaluated between January 2014 and March 2015. Data collection was performed with an instrument predefined that included demographic data, alterations of the mineral and bone metabolism parameters, and their management.
Results:
2026 patients were included, of whom 1756 had parathyroid hormone measurement, the average age was 74 years, 62% were women. The distribution by degrees of CKD was: G1: 4.9%, G2: 22.8%, G3: 57.4%, G4: 12.5% and G5: 2.4%. The main causes were hypertensive and diabetic nephropathy. We found vitamin D deficiency in 78.16%, secondary hyperparathyroidism in 63.67% and hyperphosphatemia in 12.38%, with an increase in prevalence as GFR worsened.
Conclusions:
We found that mineral and bone metabolism alterations are frequent in patients with chronic kidney disease and start from early stages, as has been demonstrated in other studies. We believe that these results will lead to new management investigations in patients with CKD.
Keywords : Renal insufficiency chronic; hyperparathyroidism; secondary; vitamin D deficiency.