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  • Title: Left ventricular systolic function in Nigerian children with human immunodeficiency virus infection.
    Author: Ige OO, Oguche S, Bode-Thomas F.
    Journal: Congenit Heart Dis; 2012; 7(5):417-22. PubMed ID: 22691028.
    Abstract:
    OBJECTIVE: The objective of this article was to compare the left ventricular (LV) systolic function of human immunodeficiency virus (HIV)-infected children with that of healthy controls, determine the prevalence of LV systolic dysfunction in HIV-infected children, and its association with age, stage of disease, and use of zidovudine. STUDY DESIGN: This was a comparative cross-sectional descriptive study. SETTING: A University Teaching Hospital in North-Central Nigeria in 2008. PATIENTS: One hundred fifty HIV-infected children aged 6 weeks-14 years, and an equal number of age- and sex-matched apparently healthy controls. OUTCOME MEASURES: Left ventricular internal dimensions in diastole and systole, LV fractional shortening (FS) and ejection fraction (EF). Left ventricular systolic dysfunction was considered present when FS was <28% or EF was <50%. RESULTS: Mean LV internal dimensions in diastole was similar in subjects and controls (P= .26). Left ventricular internal dimensions in systole was significantly larger in subjects (2.7 cm, 95% confidence interval [CI] 2.6-2.8 cm) than controls (2.4 cm, 95% CI 2.3-2.5 cm) (P < .001). Mean FS of 27.8% (26.8-28.8%) in subjects was significantly reduced compared with 33.7% (33.1-34.3%) in controls (P < .001), as was EF 61.5% (60.7-62.3%) in subjects and 70.5% (69.7-71.3%) in controls (P < .001). Left ventricular systolic dysfunction was detected in 75 (50.0%, 95% CI 41.7-58.3%) subjects and 5 (3.3%, 95% CI 2.2-6.7) controls (P < .001). Subjects with left ventricular systolic dysfunction were significantly older than those without (P < .001) but did not differ significantly from them with respect to zidovudine therapy or stage of disease. CONCLUSIONS: Left ventricular systolic dysfunction is significantly more frequent in HIV-infected children compared with controls. Left ventricular systolic function in HIV-infected children deteriorates with increasing age and should be serially evaluated in them.
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