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Decreases in Self-Reported ART Adherence Predict HIV Viremia Among Pregnant and Postpartum South African Women.


ABSTRACT: INTRODUCTION:Routine HIV viral load (VL) monitoring is recommended for patients on antiretroviral therapy, but frequent VL testing, required in pregnant and postpartum women, is often not feasible. Self-reported adherence can be valuable, but little is known about its longitudinal characteristics. METHODS:We followed women living with HIV from antiretroviral therapy initiation in pregnancy through 18-month postpartum in Cape Town, South Africa, with repeated measurement of VL and self-reported adherence using a 3-item scale. We used generalized estimating equations [with results presented as odds ratios (ORs) with 95% confidence intervals (CIs)] to investigate the association between viremia and change in adherence over pairs of consecutive visits. RESULTS:Among 2085 visit pairs from 433 women, a decrease in self-reported adherence relative to the previous visit on any of the 3 self-report items, or the combined scale, was associated with VL >50 and >1000 copies per milliliter. The best-performing thresholds to predict VL >50 copies per milliliter were a single-level decrease on the Likert response item "how good a job did you do at taking your HIV medicines in the way that you were supposed to?" (OR 2.08, 95% CI: 1.48 to 2.91), and a decrease equivalent to ?5 missed doses or a one-level decrease in score on either of 2 Likert items (OR 1.34, 95% CI: 1.06 to 1.69). CONCLUSIONS:Longitudinal changes in self-reported adherence can help identify patients with viremia. This approach warrants consideration in settings where frequent VL monitoring or other objective adherence measures are not possible.

SUBMITTER: Phillips TK 

PROVIDER: S-EPMC6375758 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature

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Decreases in Self-Reported ART Adherence Predict HIV Viremia Among Pregnant and Postpartum South African Women.

Phillips Tamsin K TK   Wilson Ira B IB   Brittain Kirsty K   Zerbe Allison A   Mellins Claude A CA   Remien Robert H RH   Orrell Catherine C   Abrams Elaine J EJ   Myer Landon L  

Journal of acquired immune deficiency syndromes (1999) 20190301 3


<h4>Introduction</h4>Routine HIV viral load (VL) monitoring is recommended for patients on antiretroviral therapy, but frequent VL testing, required in pregnant and postpartum women, is often not feasible. Self-reported adherence can be valuable, but little is known about its longitudinal characteristics.<h4>Methods</h4>We followed women living with HIV from antiretroviral therapy initiation in pregnancy through 18-month postpartum in Cape Town, South Africa, with repeated measurement of VL and  ...[more]

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