Publication: Higher Proportion of Non-1-84 PTH Fragments in Peritoneal Dialysis Patients Compared to Hemodialysis Patients Using Solutions Containing 1.75 mmol/l Calcium.
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2018-11-20
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Sánchez-González, Carmen
Gonzalez-Casaus, Maria Luisa
Sellares, Víctor Lorenzo
Albalate, Marta
Torregrosa, José-Vicente
Mas, Sebastian
Ortiz, Alberto
Rodriguez, Mariano
Gonzalez-Parra, Emilio
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Abstract
Background: The prevalence of low- turnover bone disease (LTBD) in peritoneal dialysis (PD) patients is higher than in hemodialysis (HD) patients. LTBD patients may be at risk for vascular calcification, and cardiovascular disease. Current therapy for chronic kidney disease metabolic bone disorders (CKD-MBD) is guided by biochemical parameters, as bone biopsy is not used in routine clinical care. Methods: We assessed intact PTH (iPTH: 1-84PTH plus non-1-84PTH), 1-84PTH, and the 1-84PTH/non-1-84PTH ratio in 129 hemodialysis and 73 PD prevalent patients dialyzed with solutions containing 1.75 mmol/L calcium. Results: Hemodialysis and PD patients presented similar iPTH and tCa values and prevalence of putative LTBD as defined according to KDOQI iPTH cut-off levels or 1-84 PTH levels. However, iCa accounted for a higher percentage of tCa in PD (53%) than in hemodialysis (39%) p
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1-84PTH/7-84PTH ratio, 7-84PTH fragments, PTH fragments, low calcium dialysate, low turnover bone disease, non-1-84PTH fragments, peritoneal dialysis