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HIV Med. 2017 Jul;18(6):419-429. doi: 10.1111/hiv.12474. Epub 2016 Dec 21.

Opt-out screening strategy for HIV infection among patients attending emergency departments: systematic review and meta-analysis.

Author information

1
Infectious Diseases Department, Internal Medicine Unit, Hospital Universitario Fundacion Alcorcon, Madrid, Spain.
2
Hemato-oncology Unit. Hospital Universitario Principe de Asturias, Alcala de Henares, Spain.
3
National Referral Centre for Tropical Diseases, Infectious Diseases Department, Hospital Ramón y Cajal, Madrid, Spain.
4
Alexander von Humboldt Tropical Medicine Institute, Lima, Peru.
5
Lancashire Teaching Hospitals NHS Foundation Trust, Preston, UK.

Abstract

OBJECTIVES:

International health agencies have promoted nontargeted universal (opt-out) HIV screening tests in different settings, including emergency departments (EDs). We performed a systematic review and meta-analysis to assess the testing uptake of strategies (opt-in targeted, opt-in nontargeted and opt-out) to detect new cases of HIV infection in EDs.

METHODS:

We searched the Pubmed and Embase databases, from 1984 to April 2015, for opt-in and opt-out HIV diagnostic strategies used in EDs. Randomized controlled or quasi experimental studies were included. We assessed the percentage of positive individuals tested for HIV infection in each programme (opt-in and opt-out strategies). The mean percentage was estimated by combining studies in a random-effect meta-analysis. The percentages of individuals tested in the programmes were compared in a random-effect meta-regression model. Data were analysed using stata version 12. Quality assessments were performed using the Newcastle-Ottawa Scale.

RESULTS:

Of the 90 papers identified, 28 were eligible for inclusion. Eight trials used opt-out, 18 trials used opt-in, and two trials used both to detect new cases of HIV infection. The test was accepted and taken by 75 155 of 172 237 patients (44%) in the opt-out strategy, and 73 581 of 382 992 patients (19%) in the opt-in strategy. The prevalence of HIV infection detected by the opt-out strategy was 0.40% (373 cases), that detected by the opt-in nontargeted strategy was 0.52% (419 cases), and that detected by the opt-in targeted strategy was 1.06% (52 cases).

CONCLUSIONS:

In this meta-analysis, the testing uptake of the opt-out strategy was not different from that of the opt-in strategy to detect new cases of HIV infection in EDs.

KEYWORDS:

HIV ; diagnosis; emergency departments; opt-in; opt-out; screening

PMID:
28000338
DOI:
10.1111/hiv.12474
[Indexed for MEDLINE]

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