Calcium Mass Balances in Bicarbonate Hemodialysis

Dialysate calcium (Ca) concentration should be viewed as part of the integrated therapeutic regimen to control renal osteodystrophy and maintain normal mineral metabolism. The goals of this integrated approach are to keep the patient in a mild positive Ca mass balance (CaMB), to maintain normal seru...

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Main Author: Carlo Basile
Format: Article
Language:English
Published: Wiley 2011-01-01
Series:International Journal of Nephrology
Online Access:http://dx.doi.org/10.4061/2011/540592
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author Carlo Basile
author_facet Carlo Basile
author_sort Carlo Basile
collection DOAJ
description Dialysate calcium (Ca) concentration should be viewed as part of the integrated therapeutic regimen to control renal osteodystrophy and maintain normal mineral metabolism. The goals of this integrated approach are to keep the patient in a mild positive Ca mass balance (CaMB), to maintain normal serum Ca levels, to control plasma parathyroid hormone values to two to three times above normal levels, and to avoid soft-tissue calcifications. Thus, a correct net CaMB during hemodialysis (HD) is crucial in the treatment of renal osteodystrophy. Very few studies have been published which measured CaMBs in bicarbonate HD. This is mainly due to the technical difficulties in achieving an accurate measurement of CaMBs owing to the need for the collection of the total spent dialysate or of a proportional aliquot of it. Whereas no doubt exists about the fact that an inlet dialysate Ca concentration (CaD) of 1.75 mmol/L leads to a positive CaMB, more controversial is this issue, when dealing with a CaD of 1.50 mmol/L and, even more, when dealing with a CaD of 1.25 mmol/L. Another important issue is the appropriate CaD in long-hour slow-flow nocturnal HD. Finally, which CaMB should we study: ionized CaMB or total CaMB? This issue is largely discussed in the review.
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spelling doaj-art-aa451314b86f4061821b51d9aa1d253e2025-02-03T06:01:20ZengWileyInternational Journal of Nephrology2090-214X2090-21582011-01-01201110.4061/2011/540592540592Calcium Mass Balances in Bicarbonate HemodialysisCarlo Basile0Nephrology and Dialysis Unit, Miulli General Hospital, 70021 Acquaviva delle Fonti, ItalyDialysate calcium (Ca) concentration should be viewed as part of the integrated therapeutic regimen to control renal osteodystrophy and maintain normal mineral metabolism. The goals of this integrated approach are to keep the patient in a mild positive Ca mass balance (CaMB), to maintain normal serum Ca levels, to control plasma parathyroid hormone values to two to three times above normal levels, and to avoid soft-tissue calcifications. Thus, a correct net CaMB during hemodialysis (HD) is crucial in the treatment of renal osteodystrophy. Very few studies have been published which measured CaMBs in bicarbonate HD. This is mainly due to the technical difficulties in achieving an accurate measurement of CaMBs owing to the need for the collection of the total spent dialysate or of a proportional aliquot of it. Whereas no doubt exists about the fact that an inlet dialysate Ca concentration (CaD) of 1.75 mmol/L leads to a positive CaMB, more controversial is this issue, when dealing with a CaD of 1.50 mmol/L and, even more, when dealing with a CaD of 1.25 mmol/L. Another important issue is the appropriate CaD in long-hour slow-flow nocturnal HD. Finally, which CaMB should we study: ionized CaMB or total CaMB? This issue is largely discussed in the review.http://dx.doi.org/10.4061/2011/540592
spellingShingle Carlo Basile
Calcium Mass Balances in Bicarbonate Hemodialysis
International Journal of Nephrology
title Calcium Mass Balances in Bicarbonate Hemodialysis
title_full Calcium Mass Balances in Bicarbonate Hemodialysis
title_fullStr Calcium Mass Balances in Bicarbonate Hemodialysis
title_full_unstemmed Calcium Mass Balances in Bicarbonate Hemodialysis
title_short Calcium Mass Balances in Bicarbonate Hemodialysis
title_sort calcium mass balances in bicarbonate hemodialysis
url http://dx.doi.org/10.4061/2011/540592
work_keys_str_mv AT carlobasile calciummassbalancesinbicarbonatehemodialysis