D-dimer as a Predictor of Altered Coagulation in HIV Patients in Nigeria

Recent medical advances have improved the quality of life and correspondingly reduced the morbidity and mortality associated with HIV infection. However increased life expectancy has led to a relative rise in comorbidities and complications such as alterations in coagulation systems. This study is a...

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Bibliographic Details
Published in:Nigerian journal of physiological sciences 2019-06, Vol.34 (1), p.99-105
Main Authors: Aisabokhale, F A, Akingbola, T S, Bamidele, K
Format: Article
Language:English
Subjects:
Adult
Biomarkers - blood
Blood Coagulation - physiology
Case-Control Studies
Cross-Sectional Studies
Female
Fibrin Fibrinogen Degradation Products - metabolism
HIV Infections - blood
HIV Infections - diagnosis
HIV Infections - epidemiology
HIV-1
Humans
Male
Predictive Value of Tests
Surveys and Questionnaires
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Summary:Recent medical advances have improved the quality of life and correspondingly reduced the morbidity and mortality associated with HIV infection. However increased life expectancy has led to a relative rise in comorbidities and complications such as alterations in coagulation systems. This study is aimed at the evaluation of D-dimer level as a predictor of thromboembolic risk in HIV patients. A total of 152 HIV positive and negative subjects and control respectively attending the PEPFAR clinic UCH in Ibadan were recruited both for a questionnaire-based survey and a coagulation profile screening.  Activated Partial Thromboplastin Time (APTT), Prothrombin Time (PT), D-dimer level the viral load indices of the HIV   patients and their CD4 counts were also evaluated. In the subjects, the D-dimer level was significantly higher (193.6 ± 177.00ng/ml) than the controls (118.10 ± 140.58ng/ml) while a significantly lower APTT was also reported (36.22 ± 4.05 seconds) compared to the controls (41.14 ± 8.87 seconds). An evaluation of the coagulation profile in the Highly Active Antiretroviral Therapy (HAART) naïve and experienced group revealed only a significant increase (417.4) in the CD4 count whilst no difference was observed in the coagulation profile. In our study, a higher predisposition to a hypercoagulable state presenting as a short APTT was observed. This finding along with the higher D-dimer level underscores the relevance of the evaluation of this biomarker as an important predictor of thromboembolic event risk.
ISSN:0794-859X