Hyperlactatemia in human immunodeficiency virus infected children receiving antiretroviral treatment

Emilia Sánchez Ruiz, Antoni Noguera, Clàudia Fortuny, Rafael Artuch, M. Antònia Vilaseca, Carmen Muñoz-Almagro, J. Pou, R. Jiménez

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Background. Hyperlactatemia and lactic acidosis occur in HIV-infected adults receiving antiretroviral treatment. Our objective was to determine the incidence, course and risk factors for hyperlactatemia in our HIV-infected pediatric patients. Design. A prospective observational study of venous lactate concentrations during a 28-month period in 80 HIV-infected children, most of whom were receiving antiretrovirals. Methods. Venous blood lactate concentrations were measured every 6 months under optimal sample-obtaining conditions. Alanine values from the same blood sample were performed when lactate concentrations were elevated. Hyperalaninemia is observed only when mitochondrial oxidative phosphorylation is chronically disturbed. Results. Twenty-three patients (29%) were identified with hyperlactatemia, in 9 of the cases with normal alaninemia, probably caused by difficult venous punctures. The other 14 children (17%) had pathologic alanine concentrations with a mean lactate peak of 2.67 mmol/l (range, 2.05 to 4.9 mmol/l); none of them showed metabolic acidosis, and they were all symptom-free. Treatment was continued in all cases, and lactate has progressed spontaneously to normal values in 5 patients. Conclusions. Symptom-free hyperlactatemia was observed in HIV-infected children receiving nucleoside analog reverse transcriptase inhibitors. In our study, only a younger age at the beginning of antiretroviral treatment was a statistically significant risk factor for hyperlactatemia. Random measurements of blood lactate concentrations should be included in the clinical follow-up of those HIV-infected children [removed]
Idioma originalAnglès
Pàgines (de-a)778-782
Nombre de pàgines5
RevistaPediatric Infectious Disease Journal
Estat de la publicacióPublicada - 1 de set. 2003


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