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J Acquir Immune Defic Syndr ; 35(3): 274-8, 2004 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-15076242

RESUMO

BACKGROUND: The prevalence of asymptomatic hyperlactatemia among HIV-infected individuals has been reported to be 4% to 36%. This variability may reflect differences in the definition of and risk factors for hyperlactatemia and/or techniques for venous lactate collection. METHODS: We examined the prevalence of elevated venous lactate collected in accordance with Adult AIDS Clinical Trials Group (AACTG) guidelines among HIV-infected and nucleoside analogue-treated subjects with risk factors associated with hyperlactatemia. Sustained hyperlactatemia was defined as 2 consecutive levels >or=1.5 but or=2 risk factors, with 11% having >4 risk factors. The median entry venous lactate level was 1.2 mmol/L (range: 0.7-5.1 mmol/L). Two subjects had a lactate level >1.5 times the ULN: 1 with a value of 2.1 times the ULN at entry and a week 2 level of 1.2 times the ULN and a second subject with a week 2 value of 1.9 times the ULN but an entry level of 1.4 times the ULN. The latter subject developed symptomatic lactic acidosis 3 weeks following study discontinuation. CONCLUSIONS: Sustained asymptomatic hyperlactatemia among subjects with risk factors associated with hyperlactatemia was not observed when venous lactate was measured in a standardized fashion. One case of hyperlactatemia that evolved into symptomatic lactic acidosis was diagnosed soon after the completion of the study, however. Our findings indicate that asymptomatic hyperlactatemia is either very rare or an artifact of collection technique.


Assuntos
Infecções por HIV/sangue , Lactatos/sangue , Doenças Metabólicas/patologia , Mitocôndrias/patologia , Complexo Vitamínico B/uso terapêutico , Adolescente , Adulto , Fármacos Anti-HIV/uso terapêutico , Etnicidade , Feminino , Infecções por HIV/complicações , Infecções por HIV/tratamento farmacológico , Humanos , Masculino , Doenças Metabólicas/epidemiologia , Doenças Metabólicas/prevenção & controle , Prevalência , Fatores de Risco
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