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CD4 count

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CD4 count
n.
A measure of the number of helper T cells per cubic millimeter of blood, used to analyze the prognosis of patients infected with HIV.

CD4 count
Absolute T4 count AIDS The number of 'helper' T cells/mm3 in Pts with HIV, which declines as infection progresses; the absolute CD4 count was the standard lab parameter used to monitor the immune suppression in persons with HIV; HIV RNA levels are more valid markers of immune responsiveness, and are the gold standard for Pts with AIDS/HIV infection


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The CD4 count at the time of the episode or within the previous 6 months was used for analysis.
A 49-year-old, HIV-positive man with a CD4 count of 81 cells/[micro]l presented with a 3-week history of hiccupping.
This important research from the Swiss HIV Cohort Study (1) looks at patients who responded virologically to antiretrovirals (viral load consistently under 1000 for at least five years) to find the differences between those who had an "incomplete" CD4 response (defined as not reaching a CD4 count of 500), vs.
 
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