What is the pathophysiology of macrocytosis in HIV-infected patients?

Updated: Dec 16, 2020
  • Author: Vincent E Herrin, MD, FACP; Chief Editor: Emmanuel C Besa, MD  more...
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Sternfeld et al, in a study using the 13C-methionine breath test to analyze hepatic mitochondrial function in vivo in antiretroviral-treated HIV-infected patients with macrocytosis, found a significantly negative correlation between mean corpuscular erythrocyte volume and the breath test results. [8] They concluded that there is an association between an increase in mean corpuscular erythrocyte volume from treatment with nucleoside reverse transcriptase inhibitors and the hepatic mitochondrial function in vivo.

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