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  • Title: [Lactic acidosis in HIV-patients--diagnosis and treatment].
    Author: Walker UA.
    Journal: MMW Fortschr Med; 2004 Apr 26; 146 Spec No 1():65-7. PubMed ID: 15373054.
    Abstract:
    Lactic acidosis is a life-threatening complication of antiretroviral therapy with an incidence of about 1% per year. Its clinical onset is often abrupt, with uncharacteristic muscular, cardiac or hepatic symptoms. Lactic acidosis is caused by nucleoside analogue reverse transcriptase inhibitors (mainly didanosine, stavudine and zalcitabine), which are relatively strong inhibitors of gamma polymerase, the enzyme responsible for the replication of mitochondrial DNA. Zidovudine is also a mitochondrial toxin, but its toxicity probably reflects several mechanisms unrelated to mtDNA-depletion. When lactic acidosis is diagnosed, nucleoside analogues and other mitochondrial toxins, such as valproic acid and acetylsalicylic acid, must be discontinued immediately. Uridine should be supplemented, a cocktail consisting of vitamins, L-carnitine and coenzyme Q10, may be given.
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