Sodium Bicarbonate Therapy in Patients with Metabolic Acidosis

Metabolic acidosis occurs when a relative accumulation of plasma anions in excess of cations reduces plasma pH. Replacement of sodium bicarbonate to patients with sodium bicarbonate loss due to diarrhea or renal proximal tubular acidosis is useful, but there is no definite evidence that sodium bicar...

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Main Authors: María M. Adeva-Andany, Carlos Fernández-Fernández, David Mouriño-Bayolo, Elvira Castro-Quintela, Alberto Domínguez-Montero
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1155/2014/627673
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author María M. Adeva-Andany
Carlos Fernández-Fernández
David Mouriño-Bayolo
Elvira Castro-Quintela
Alberto Domínguez-Montero
author_facet María M. Adeva-Andany
Carlos Fernández-Fernández
David Mouriño-Bayolo
Elvira Castro-Quintela
Alberto Domínguez-Montero
author_sort María M. Adeva-Andany
collection DOAJ
description Metabolic acidosis occurs when a relative accumulation of plasma anions in excess of cations reduces plasma pH. Replacement of sodium bicarbonate to patients with sodium bicarbonate loss due to diarrhea or renal proximal tubular acidosis is useful, but there is no definite evidence that sodium bicarbonate administration to patients with acute metabolic acidosis, including diabetic ketoacidosis, lactic acidosis, septic shock, intraoperative metabolic acidosis, or cardiac arrest, is beneficial regarding clinical outcomes or mortality rate. Patients with advanced chronic kidney disease usually show metabolic acidosis due to increased unmeasured anions and hyperchloremia. It has been suggested that metabolic acidosis might have a negative impact on progression of kidney dysfunction and that sodium bicarbonate administration might attenuate this effect, but further evaluation is required to validate such a renoprotective strategy. Sodium bicarbonate is the predominant buffer used in dialysis fluids and patients on maintenance dialysis are subjected to a load of sodium bicarbonate during the sessions, suffering a transient metabolic alkalosis of variable severity. Side effects associated with sodium bicarbonate therapy include hypercapnia, hypokalemia, ionized hypocalcemia, and QTc interval prolongation. The potential impact of regular sodium bicarbonate therapy on worsening vascular calcifications in patients with chronic kidney disease has been insufficiently investigated.
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spelling doaj-art-c815ef65bd5043f3b36e3687bdae30792025-02-03T07:25:24ZengWileyThe Scientific World Journal2356-61401537-744X2014-01-01201410.1155/2014/627673627673Sodium Bicarbonate Therapy in Patients with Metabolic AcidosisMaría M. Adeva-Andany0Carlos Fernández-Fernández1David Mouriño-Bayolo2Elvira Castro-Quintela3Alberto Domínguez-Montero4Nephrology Division, Hospital General Juan Cardona, Avenida Pardo Bazán, s/n, Ferrol, 15406 A Coruña, SpainNephrology Division, Hospital General Juan Cardona, Avenida Pardo Bazán, s/n, Ferrol, 15406 A Coruña, SpainNephrology Division, Hospital General Juan Cardona, Avenida Pardo Bazán, s/n, Ferrol, 15406 A Coruña, SpainNephrology Division, Hospital General Juan Cardona, Avenida Pardo Bazán, s/n, Ferrol, 15406 A Coruña, SpainNephrology Division, Hospital General Juan Cardona, Avenida Pardo Bazán, s/n, Ferrol, 15406 A Coruña, SpainMetabolic acidosis occurs when a relative accumulation of plasma anions in excess of cations reduces plasma pH. Replacement of sodium bicarbonate to patients with sodium bicarbonate loss due to diarrhea or renal proximal tubular acidosis is useful, but there is no definite evidence that sodium bicarbonate administration to patients with acute metabolic acidosis, including diabetic ketoacidosis, lactic acidosis, septic shock, intraoperative metabolic acidosis, or cardiac arrest, is beneficial regarding clinical outcomes or mortality rate. Patients with advanced chronic kidney disease usually show metabolic acidosis due to increased unmeasured anions and hyperchloremia. It has been suggested that metabolic acidosis might have a negative impact on progression of kidney dysfunction and that sodium bicarbonate administration might attenuate this effect, but further evaluation is required to validate such a renoprotective strategy. Sodium bicarbonate is the predominant buffer used in dialysis fluids and patients on maintenance dialysis are subjected to a load of sodium bicarbonate during the sessions, suffering a transient metabolic alkalosis of variable severity. Side effects associated with sodium bicarbonate therapy include hypercapnia, hypokalemia, ionized hypocalcemia, and QTc interval prolongation. The potential impact of regular sodium bicarbonate therapy on worsening vascular calcifications in patients with chronic kidney disease has been insufficiently investigated.http://dx.doi.org/10.1155/2014/627673
spellingShingle María M. Adeva-Andany
Carlos Fernández-Fernández
David Mouriño-Bayolo
Elvira Castro-Quintela
Alberto Domínguez-Montero
Sodium Bicarbonate Therapy in Patients with Metabolic Acidosis
The Scientific World Journal
title Sodium Bicarbonate Therapy in Patients with Metabolic Acidosis
title_full Sodium Bicarbonate Therapy in Patients with Metabolic Acidosis
title_fullStr Sodium Bicarbonate Therapy in Patients with Metabolic Acidosis
title_full_unstemmed Sodium Bicarbonate Therapy in Patients with Metabolic Acidosis
title_short Sodium Bicarbonate Therapy in Patients with Metabolic Acidosis
title_sort sodium bicarbonate therapy in patients with metabolic acidosis
url http://dx.doi.org/10.1155/2014/627673
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