Prevention of secondary hyperparathyroidism in hemodialysis patients: the key role of native vitamin D supplementation

Jean, G.; Vanel, T.; Terrat, J-C.; Chazot, C.

Hemodialysis International. International Symposium on Home Hemodialysis 14(4): 486-491

2010


ISSN/ISBN: 1492-7535
PMID: 20955282
DOI: 10.1111/j.1542-4758.2010.00472.x
Accession: 055170184

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Abstract
Secondary hyperparathyroidism (SHPT) is a frequent complication in chronic kidney disease, especially in hemodialysis (HD) patients. Treatments for SHPT include calcitriol analogues (CA), phosphate binders, cinacalcet (CC), and surgical parathyroidectomy (PTX). This study aimed to assess the incidence and prevalence of SHPT in a single center during the period when native vitamin D (N-VitD) supplementation and CC treatment became available. All incident and prevalent HD patients were prospectively recorded and compared using 3 periods from 2004 to 2005 (period 1), 2006 to 2007 (period 2), and 2008 to 2009 (period 3). SHPT was diagnosed with serum parathyroid hormone (PTH) levels >300 pg/mL or the need for CA, CC, or PTX. Between periods 1 and 3, in incident patients (n=120 and 101), N-VitD prescription increased from 11% to 68% (P<0.0001), CA prescription remained stable (40%), and patients with PTH>300 pg/mL decreased from 40% to 12% (P<0.0001). In prevalent HD patients (n=235), N-VitD treatment increased from 55% to 91% (P<0.0001), whereas treatment with CA decreased from 67% to 17% (P<0.0001). Patients with serum PTH>300 pg/mL decreased from 38% to 13% (P<0.001), whereas patients with PTH<150 pg/mL remained stable (<30%). New CC prescriptions decreased from 45 to 3 (P<0.0001). Since 2004, SHPT has decreased drastically in incident and prevalent HD patients. The preventive role of N-VitD supplementation appears to be obvious and represents one more argument for its general recommendation in CKD patients.

Prevention of secondary hyperparathyroidism in hemodialysis patients: the key role of native vitamin D supplementation