Pulse wave velocity in early-treated children living with perinatal HIV infection is similar to uninfected children.
AIDS (London, England)(2023)
Abstract
INTRODUCTION:HIV is associated with accelerated cardiovascular disease, due to HIV-associated metabolic abnormalities, antiretroviral therapy (ART), and HIV itself. Carotid-femoral pulse wave velocity (PWV) is the noninvasive gold standard measurement of arterial stiffness, and associated with incident vascular events in adults. It is unclear if arterial stiffness is accelerated in children living with perinatal HIV (CHIV) who initiate ART early in life. We compared the longitudinal trajectory of PWV in CHIV to children unexposed to HIV. A secondary comparison compared HIV exposed uninfected children (CHEU) to unexposed children.
METHODS:Four hundred and sixty-five children (141 CHIV, 160 CHEU, 164 unexposed) previously in the children with HIV early antiretroviral therapy (ART) (CHER) and P1060 trials were followed annually at Tygerberg Children's Hospital, South Africa between 2014 and 2020. CHIV initiated ART in infancy or early childhood, with excellent ART adherence and largely sustained viral suppression. The primary outcome was PWV, measured using the Vicorder system, and evaluated using linear mixed effects models.
RESULTS:Median (interquartile range) age at first PWV measurement was 8.64 (7.7-9.1) years, and median follow-up time 2.9 (1.6-4.0) years. Adjusted analyses showed no significant mean difference in PWV in CHIV and CHEU compared to unexposed [CHIV: 0.101 m/s, 95% confidence interval (CI) -0.012 to 0.214; CHEU: 0.068 m/s, 95% CI -0.047 to 0.183], after adjusting for gender, age, ethnicity, mean arterial pressure, resting average heart rate and family history of cardiovascular disease.
CONCLUSIONS:Early-treated CHIV with sustained viral suppression have similar PWV to unexposed children. Excellent adherence and early ART initiation may protect against cardiovascular disease.
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Key words
perinatal hiv infection,uninfected children,hiv infection,wave,early-treated
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