Article: Metabolic acidosis in childhood: why, when and how to treat.
2007 Volume 83, Issue 2 Suppl, Page(s) S11–21
Abstract: Objectives: To critically discuss the treatment of metabolic acidosis and the main mechanisms of disease associated with this disorder; and to describe controversial aspects related to the risks and benefits of using sodium bicarbonate and other ... ...
| Abstract | Objectives: To critically discuss the treatment of metabolic acidosis and the main mechanisms of disease associated with this disorder; and to describe controversial aspects related to the risks and benefits of using sodium bicarbonate and other therapies. Sources: Review of PubMed/MEDLINE, LILACS and Cochrane Library databases for articles published between 1996 and 2006 using the following keywords: metabolic acidosis, lactic acidosis, ketoacidosis, diabetic ketoacidosis, cardiopulmonary resuscitation, sodium bicarbonate, treatment. Classical publications concerning the topic were also reviewed. The most recent and representative were selected, with emphasis on consensus statements and guidelines. Summary of the findings: There is no evidence of benefits resulting from the use of sodium bicarbonate for the hemodynamic status, clinical outcome, morbidity and mortality in high anion gap metabolic acidosis associated with lactic acidosis, diabetic ketoacidosis and cardiopulmonary resuscitation. Therefore, the routine use of sodium bicarbonate is not indicated. Potential side effects must be taken into consideration. Treating the underlying disease is essential to reverse the process. The efficacy of other alternative therapies has not been demonstrated in large-scale studies. Conclusions: Despite the known effects of acidemia on the organism in critical situations, a protective role of acidemia in hypoxic cells and the risk of alkalemia secondary to drug interventions are being considered. There is consensus regarding the advantages of alkali and sodium bicarbonate therapy in cases with normal anion gap; however, in the presence of high anion gap acidosis, especially lactic acidosis, diabetic acidosis and cardiopulmonary resuscitation, the use of sodium bicarbonate is not beneficial and has potential adverse effects, limiting its indication. The only points of agreement in the literature refer to the early treatment of the underlying disease and the mechanisms generating metabolic acidemia. Other promising treatment alternatives have been proposed; however, the side effects and absence of controlled studies with pediatric populations translate into lack of evidence to support the routine use of such treatments. |
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| MeSH term(s) | Acidosis/drug therapy ; Acidosis/etiology ; Acidosis, Lactic/drug therapy ; Cardiopulmonary Resuscitation/adverse effects ; Child ; Diabetic Ketoacidosis/drug therapy ; Humans ; Randomized Controlled Trials as Topic ; Sodium Bicarbonate/adverse effects ; Sodium Bicarbonate/therapeutic use |
| Chemical Substances | Sodium Bicarbonate (8MDF5V39QO) |
| Language | English |
| Publishing date | 2007-05-15 |
| Publishing country | Brazil |
| Document type | Journal Article ; Review |
| ZDB-ID | 731324-x |
| ISSN | 1678-4782 ; 0021-7557 |
| ISSN (online) | 1678-4782 |
| ISSN | 0021-7557 |
| DOI | 10.2223/JPED.1616 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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