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Kamtchum-Tatuene, Joseph, Al-Bayati, Zaid, Mwandumba, Henry 
ORCID: https://orcid.org/0000-0003-4470-3608, Solomon, Tom, Christmas, Stephen E. and Benjamin, Laura A.
(2018)
'Serum concentration of anti-Cytomegalovirus IgG and ischaemic stroke in patients with advanced HIV infection in Malawi'. PLoS ONE, Vol 13, Issue 11, e0208040.
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Abstract
Background
Studies in high-income settings have shown association between Cytomegalovirus (CMV) infection and adverse cardiovascular outcome, especially in HIV infection. We aimed to study the association between serum concentration of anti-CMV IgG and ischaemic stroke in HIV-infected Malawians.
Methods
Our sample was derived from a case-control stroke study in Malawi. Serum concentration of anti-CMV IgG was measured using enzyme-linked immunosorbent assay. Multivariable logistic regression was used to study the association between high concentrations of anti-CMV IgG (above the third tertile) and ischaemic stroke while adjusting for cardiovascular risk factors.
Results
Overall, 139 HIV-positive adults (48.2% women; 48 ischaemic stroke cases and 91 controls; median age: 45 years) were included. The median CD4+ count was 136 and 401 cell/mm3 (IQR: [75–278] and [230–533]) in cases and controls, respectively. High concentration of anti-CMV IgG was associated with ischaemic stroke in the univariable model (OR = 2.56 [1.23–5.34]) but not after adjusting for duration of antiretroviral therapy (ART), CD4+ count, and other cardiovascular risk factors (OR = 0.94 [0.29–3.08]). Low CD4+ count was an independent predictor of stroke. There was a negative correlation between serum concentration of anti-CMV IgG and CD4+ count (rho = -0.30, p < 0.001).
Conclusions
High concentration of anti-CMV IgG is not independently associated with ischaemic stroke in HIV-infected Malawians. Larger cohort studies are needed to further investigate the role of humoral response to CMV in the pathophysiology of HIV-associated stroke.
| Item Type: | Article |
|---|---|
| Subjects: | QW Microbiology and Immunology > Viruses > QW 160 Viruses (General). Virology WA Public Health > WA 30 Socioeconomic factors in public health (General) WA Public Health > Health Problems of Special Population Groups > WA 395 Health in developing countries WC Communicable Diseases > Virus Diseases > Acquired Immunodeficiency Syndrome. HIV Infections > WC 503 Acquired immunodeficiency syndrome. HIV infections |
| Faculty: Department: | Clinical Sciences & International Health > Malawi-Liverpool-Wellcome Programme (MLW) |
| Digital Object Identifer (DOI): | https://doi.org/10.1371/journal.pone.0208040 |
| SWORD Depositor: | JISC Pubrouter |
| Depositing User: | Stacy Murtagh |
| Date Deposited: | 28 Nov 2018 10:44 |
| Last Modified: | 12 Sep 2019 14:16 |
| URI: | https://archive.lstmed.ac.uk/id/eprint/9701 |
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