CD4 Count: Normal Range, Viral Load, and What It Means ...
2021年10月5日 · For people with HIV, CD4 count and viral load are important indicators of health status. Learn what they measure and how they affect HIV treatment plans.
CD4 Count, HIV, and AIDS: Test and Results, What They Mean - WebMD
2024年10月10日 · The CD4 count is a test that measures how strong your immune system is. Find out how it helps your doctor make HIV and AIDS treatment decisions.
HIV/AIDS - Diagnosis and treatment - Mayo Clinic
2024年2月9日 · CD4 T cells are white blood cells that HIV targets and destroys. Even if you have no symptoms, HIV infection becomes AIDS when your CD4 T cell count dips below 200. Viral load, also called HIV RNA.
CD4 count (or T-cell test) - HIV - Veterans Affairs
2020年6月10日 · CD4 cells (also known as CD4+ T cells) are white blood cells that fight infection. CD4 cell count is an indicator of immune function in patients living with HIV and one of the key determinants for the need of opportunistic infection (OI) prophylaxis.
The HIV Life Cycle | NIH - HIVinfo
2021年8月4日 · HIV uses the machinery of the CD4 cells to multiply and spread throughout the body. This process, which is carried out in seven steps or stages, is called the HIV life cycle. HIV medicines protect the immune system by blocking HIV at different stages of the HIV life cycle.
Techniques and interpretation of measurement of the CD4 cell ... - UpToDate
2023年4月27日 · How does HIV affect CD4 T cells? — HIV infection leads to severe depletion of CD4 T cells in the gut-associated lymphoid tissue with subsequent reduced levels of circulating CD4 lymphocytes in the peripheral blood .
HIV Lab Tests and Results
2023年6月12日 · Once you’ve started HIV treatment, CD4 cell count and viral load tests are used to monitor whether your HIV medicines are working effectively to control your HIV. If a test indicates your medicines aren’t working, your doctor …
CD4 Count - StatPearls - NCBI Bookshelf
2023年5月1日 · CD4 count is a laboratory test that measures CD-4 T lymphocytes (T cells) via flow cytometry. This test is an important parameter in HIV management and is used to guide clinical treatment.
HIV and AIDS: The Basics | NIH - HIVinfo
2024年9月4日 · HIV attacks and destroys the infection-fighting CD4 cells (CD4 T lymphocyte) of the immune system. The loss of CD4 cells makes it difficult for the body to fight off infections, illnesses, and certain cancers.
Plasma HIV-1 RNA (Viral Load) and CD4 Count Monitoring | NIH
HIV RNA (viral load) and CD4 T lymphocyte cell (CD4) count are the two surrogate markers of antiretroviral therapy (ART) responses and HIV disease progression that have been used for decades to manage and monitor HIV infection. Viral load is a marker of response to ART.