Seminar 2: Opt out testing in areas of high prevalence and in … · Seminar 2: Opt out testing in...
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Seminar 2: Opt out testing in areas
of high prevalence and in groups at
higher risk
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HIV in the United Kingdom: 2015
HIV and AIDS reporting sectionPublic Health England
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New HIV diagnoses and number of persons accessing HIV care in the United Kingdom: 2014
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Diagnosed prevalence of ≥ 2 per
1000 is threshold for opt out testing in
all medical settings as per BHIVA
national guidelines 2008
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Presentation title - edit in Header and Footer
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Presentation title - edit in Header and Footer
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HIV
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Opt-out testing – what can be
achieved• Antenatal testing =
overall 96% uptake
• Perinatal transmission
rate in UK = 0.57%*Antenatal HIV seroprevalence 2010, PHE
*Townsend et al 2014
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HIV testing in UKSite Proportion of all HIV tests
Antenatal care 39%
STI clinics 38%
Primary care 3.8%
General medicine / surgery depts 0.4%
Lab testing in Leeds, 2010. Ref = “Time to Test”, PHE 2011
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Up to date info from PHE• http://fingertips.phe.org.uk/profile/sexualhealth/data#page/0
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RHIVA 2 RCT – universal offer of POCT in
primary care– Opt out testing in general medical settings where diagnosed
prevalence > 2 per 1000
• “…thoroughly evaluated for acceptability and feasibility … better inform
the ongoing implementation of these guidelines”
– In Hackney (diagnosed prevalence = 8/1000)
– Intervention practices diagnosed more HIV and there was a trend to
earlier diagnosis
Leber et al. Lancet HIV. 2015 Jun;2(6):e229-35
BHIVA National HIV Testing Guidelines 2008
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RHIVA 2 qualitative evidence:
“Diffusion of innovations” model• Structural issues and resources
– 10 vs 30 mins per patient; staff member; room
– Management relations and leadership
• “Relative advantage”
– Seeing test as beneficial to patients
• “Re-invention”
– Adapting test technology to practice
• Compatibility
– Emotionally prepared to administer test
McMullen et al, Trials 2015; 16:242
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What’s it like getting a positive HIV test
result?• Being asked to return for the result
• Being given the result
• Confirming the diagnosis
• Getting into an HIV clinic
• Communication between primary care and HIV clinic
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Opt out testing in your setting?
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Staff attitudes towards HIV testing (HINTS Study)• 96% staff were supportive of the need for increased HIV testing, and 84% thought it
acceptable for HIV testing to be offered in their Department (n=146)
• BUT only 54% staff agreed they would feel comfortable offering HIV tests themselves
0%10%20%30%40%50%60%70%80%90%
100%
"HIV testing should be
available in services other
than sexual health and
antenatal clinics"
"HIV testing should be
routinely offered to
everyone"
"Offering HIV testing to all
patients in this department
is a good idea"
"I would feel comfortable
offering HIV testing to all
patients in this department"
ACU staffED staffPrimary Care staff
OPD staff
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Staff Attitudes towards HIV Testing (HINTS Study)Most staff felt they would require further training to offer HIV tests, in addition to identifying operational barriers in many settings
0% 20% 40% 60% 80% 100%
"I am concerned that patientswould have questions I could not
answer"
"I don't have time to includeroutine HIV testing as part of
patients' care in this department"
"I would require additionaltraining before routinely offering
HIV tests to patients"
OPD staff
PC staff
ED staff
ACU staff
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Routine HIV testing in recommended settings
• Systematic review and meta-analysis (El Mahdi, 2014)
• Heterogeneous group of studies
• Analysis stratified by routine testing in population vs. indicator disease based testing
• Outcomes for routine HIV testing in recommended settings (excluding GUM, antenatal and community):
• Only independent predictor of testing rate: prospective vs. retrospective study design
• Staff support HIGH in quantitative and qualitative studies
% eligible receiving HIV test (95%CI)
N studies % eligible offered an HIV test (95% CI)
N studies % offered accepting HIV test (95% CI)
N studies % tested HIV+ N studies
29.5% (24% - 35%)
20 45.5% (28% - 63%)
12 69.2% (52% - 86%)
12 0.4% (0.2% - 0.6%)
17
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Summary
• Value of opt out testing in simplifying pre-test
discussion
• Cost-effective in areas of higher prevalence and higher
risk groups
• Evidence of high acceptability and feasibility
• Success depends on resource, training, staff interest
and flexibility
• Aims are improved prognosis and reduced transmission