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Role of CD4+ and CD8+ T Lymphocyte in the Onset of Stroke in People Living with HIV in Pointe-Noire

World Journal of Neuroscience 2022年第1期12卷 1-7页

作者： Prince Eliot Galieni Sounga Bandzouzi Ghislain Armel Mpandzou Josué Euberma Diatewa dina happia motoula-latou Charles Godefroy Koubemba Paul Macaire Ossou-Nguiet Donatien Moukassa Faculty of Health Sciences Marien N’Gouabi University Brazzaville Republic of Congo Department of Neurology Loandjili General Hospital Pointe-Noire Republic of the Congo Department of Neurology University Hospital Center of Brazzaville Brazzaville Republic of Congo

Objective: To determine the role of CD4+ and CD8+ T lymphocytes in the onset of stroke in people living with HIV. Methodology: This was a descriptive, cross-sectional study from January to July 2019, in the neurology department of loandjili general hospital, including any patient hospitalized for a first episode of stroke confirmed by brain scan. The study variables were: age, sex, CRP value, serum T cell CD4+, CD8+. The statistical analysis was carried out using the EPI info 7 software. Results: Twenty stroke patients were included. The relative frequency of HIV was 20%. The risk factors were potentiated by immunosuppression of CD4+ T cells. Sixty percent (60%) of the patients had a CD4+ count 3 and the mean CD4+ count was ±191/mm3. Stroke was the predominant mechanism of injury with a frequency of 70%, the only injury mechanism of stroke in patients with CD8+ T cell count > 800/mm3 (p = 0.04). Conclusion: Risk factors are potentiated by TCD4+ lymphocyte immunosupression, also CD8+ lymphocytes of immune system activation marker are a cardiovascular risk factor for living people with HIV.

关键词： CD4+ CD8+ T Lymphocytes HIV Stroke Pointe-Noire

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Stroke and HIV: Correlation between Viral Load and Type of Stroke

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Neuroscience & Medicine 2021年第4期12卷 163-167页

作者： Prince Eliot Galieni Sounga Bandzouzi Ghislain Armel Mpandzou Josué Euberma Diatewa Patience Moudeko M’Foutou dina happia motoula-latou Charles Godefroy Koubemba Paul Macaire Ossou-Nguiet Donatien Moukassa Faculty of Health Sciences Marien N’GOUABI University Brazzaville Republic of Congo Department of Neurology Loandjili General Hospital Pointe-Noire Republic of the Congo Department of Neurology University Hospital of Brazzaville Brazzaville Republic of Congo

Introduction: The role of immunosuppression of TCD4+ lymphocytes in the onset of stroke in people living with HIV has been reported in numerous studies examining the co-morbidity of stroke and HIV. Objective: To determine the correlation between the viral load and the type of stroke. Methodology: This was a 7-month cross-sectional descriptive study carried out in the Neurology Department of Loandjili General Hospital in Pointe-Noire. The study population consisted of patients living with HIV who had a stroke confirmed by brain scan. The sero-immunological investigation consisted of looking for T lymphocyte typing from two kits: a CD4+ T lymphocyte typing reagent kit (BD FACS Presto TM) and a GeneXpert kit for viral load (Xpert®HIV-1 Viral Load). The database was made from the 2010 version of Microsoft Excel. Results: We included 16 patients living with HIV, 56% of whom were women with a sex ration of 0.78. The mean age was 56.92 ± 11.21. The mean number of TCD4+ lymphocytes was 413.44 ± 677.95/mm3;minimum: 93/mm3;maximum: 2854/mm3. The mean viral load was 17,996.31 ± 20,982.22/mm3;minimum: 1002/mm3;maximum: 67,229/mm3. No significant difference between the viral load and the occurrence of the stroke (p = 0.13). Conclusion: Our study did not show a causal link between viral load, immunosuppression of TCD4+ lymphocytes and the onset of stroke.

关键词： Viral Load HIV Stroke

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