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El Kossi M, Rana A, El Nahas M: Risk factors of hyperparathyroidism in advanced stages of chronic kidney disease. Saudi J Kidney Dis Transpl. 2009 Jul;20(4):623-7.
The pathogenesis of renal osteodystrophy is not clearly defined. We evaluate in this study the potential effect of demographic and biochemical markers on parathormone (PTH) level in patients with chronic kidney disease (CKD) stages 4 and 5. We retrospectively studied 138 patients with CKD stages 4 and 5 selected from the database of the Sheffield Kidney Institute in the interval from 1996 to 2005. All patients had baseline as well as follow-up levels of PTH, adjusted serum calcium, phosphate, calcium phosphorus product, albumin, bicarbonate and estimated glomerular filtration rate (eGFR). At baseline, serum albumin, eGFR and adjusted serum calcium levels significantly negatively correlated with PTH serum levels. Adjusted serum calcium levels at last follow-up remained a significant negative predictor of PTH levels; however, baseline PTH levels demonstrated a significant positive correlation with final serum PTH levels. This study high lights the significance of serum PTH levels at presentation on the long-term effect of parathyroid gland function. This reinforces the need for early intervention to achieve optimal control of hyperparathyroidism in CKD patients. |
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