Portable Microchip for CD4 T-Cell Counting in HIV Patients in Tanzania
Author Information
Author(s): Moon SangJun, Gurkan Umut Atakan, Blander Jeffrey, Fawzi Wafaie W., Aboud Said, Mugusi Ferdinand, Kuritzkes Daniel R., Demirci Utkan
Primary Institution: Brigham and Women's Hospital, Harvard Medical School
Hypothesis
Can a portable microchip effectively count CD4 T-cells in HIV-infected patients in resource-limited settings?
Conclusion
The portable microchip platform can accurately count CD4 T-cells in HIV-infected patients, providing a feasible solution for monitoring in resource-limited settings.
Supporting Evidence
- The microchip showed significant correlation with FACSCalibur results at both testing sites.
- The device produced CD4 counts within 10 minutes.
- CD4 counts were comparable to the gold standard method.
- The system is inexpensive and operates without complex equipment.
Takeaway
Researchers created a small device that can quickly count important immune cells in people with HIV using just a tiny drop of blood, making it easier for doctors to help patients in places where medical resources are limited.
Methodology
Blood samples from HIV-infected patients were tested using a portable microchip CD4 count platform and compared to the FACSCalibur reference method.
Potential Biases
Potential bias due to differences in operator training and environmental conditions between testing sites.
Limitations
The correlation between microchip and FACSCalibur results was lower in Tanzania due to environmental and operator-dependent factors.
Participant Demographics
HIV-infected patients aged 14 to 37 from Tanzania.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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