CD4 count


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Related to CD4 count: viral load

CD4 count

n.
A measure of the number of helper T cells per cubic millimeter of blood, used to analyze the prognosis of patients 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
References in periodicals archive ?
CD4 count and Viral Load must be recorded within six months from the time of the application;
Retained in care according to the US Health and Human Services (HHS) definition meant having at least one CD4 count or viral load test in each 6-month period of a 24-month period, with at least 60 days between tests in two 6-month periods
Every doubling of the latest CD4 count had no impact on the rate of fatal or nonfatal cardiovascular events (adjusted hazard ratio 1.
neoformans infections among HIV patients on HAART, as well as the effect of age, gender and CD4 count on this prevalence.
They revealed that the adverse effects of delaying therapy were directly linked to the drop in the CD4 count.
Baseline investigations revealed a CD4 count of 110 cells/[mm.
In the WIHS study published this year, risk factors for condylomas identified among HIV-positive women were cytologic abnormalities, HPV, smoking, no HAART (highly active antiretroviral therapy), and a low CD4 count, Dr.
In contrast, no one who began treatment with a CD4 count above 500 cells/[micro]L has had to recommence therapy during 20 months of follow-up.
1 But people with a CD4 count below 200 when they start antiretroviral therapy have a lower expected age at death than people in the general population.
As the CD4 count begins to drop, an infected person may develop thrush, oral hairy leukoplakia, herpes zoster (shingles), or idiopathic thrombocytopenic purpura.