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Explore compelling data on HIV testing impact, mortality rates, late diagnoses, and missed opportunities in different healthcare settings. Learn about primary and chronic HIV infections, and the importance of timely diagnosis in reducing transmission and improving health outcomes.
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The case for increasing HIV testing in all medical settings
All-cause mortality pre-1996 and 2004-06 (sexual exposure only) 1.0 <45 years at seroconversion >45 years at seroconversion 0.8 0.6 0.4 0.2 0.0 0 5 10 15 0 5 10 15 Fig 1 Fig 2 Estimated cumulative mortality Time since seroconversion (years) Pre-1996 (HIV infected) 2004- 2006 (HIV infected) 2004- 2006 (general uninfected) Porter K, et al. 15th CROI 2008 Abstract 14
Estimated prevalence of HIV infection in adults*in the UK at the end of 2007 • Aged 15-59 inclusive - excludes those who have died during the year Fig 3
Estimated late diagnosis 1 of HIV infection by prevention group, UK: 2007 Fig 4
Estimated prompt1 and late2 HIV diagnosis3 in MSM with associated short-term mortality4: UK (1998- 2007) Fig 5 Fig 6
Estimated prompt1 and late2 HIV diagnosis3 in black Africans and Caribbeans with associated short-term mortality4:UK (1998-2007) Fig 7 Fig 8
Cost of care after HIV diagnosis in Canada 25000 20000 15000 CD4 <200 CD4 >200 10000 5000 0 <1 year >1 year <1 year >1 year <1 year >1 year <1 year >1 year Total Inpatient Outpatient ARV drugs Cost category Fig 9 Mean cost (C$) Gill WJ, Krentz HB. Poster 12C1070. 11th European AIDS Meeting, Madrid, 24–27 October 2007
BHIVA Audit 2006: Scenario leading to death Top bars: reclassified during audit Bottom bars: as initially reported Fig 10 Source: Mortality audit 2005-06, BHIVA Audit and Standards Sub-Committee 2006, www.bhiva.org
Missed opportunities to detectchronic HIV infection? UK Fig 11 1Sullivan et al. BMJ, 2005; 2Ottewill, BHIVA 2006; 3Burns, BHIVA 2006
Missed opportunities to detectprimary HIV infection? Fig 12 • Brighton study: almost all MSM with pharyngitis, fever, rash • HCWs frequently not aware of patient’s sexual orientation • Significance of PHI in driving onward transmission • infectiousness • sexual behaviour 1Shacker, Ann Int Med 1996; 2Weintrob, Ann Int Med 2003; 3Sudarshi, BHIVA 2006
Fig 13 • “Pubmed” search; 2000-2007 • “late” or “missed” or “opportunity” “diagnosis” “HIV” “AIDS” • 421 entries • 59 consistent with them Informing clinicians about“Missed HIV” 83% of publications about late HIV diagnosis appeared in HIV/STD/ID/public health journals
Missed opportunities? Chronic Infection: • Secondary Care • Brighton: 62% of late diagnoses had been seen in secondary care in previous 2 years; 26% with HIV related problem1 • Primary Care • Brighton: 80% of late diagnoses had been seen in primary care in previous 2 years; 60% with HIV related problem1 • Accident and Emergency • Brighton: 2.5% of those with symptoms consistent with primary HIV had undiagnosed infection2 Primary HIV Infection: • 71% symptomatic; 51% seen in healthcare; 56% diagnosed – 19% of total3 • 1/680 men aged 18-50 with symptoms of PHI were seroconverting: ?not being blood-tested?2 1Ottewill M et al. BHIVA 2006; 2Nambiar K et al. BHIVA 2008 3 Sudarshi D et al. Sex Transm Infect 2008
Undiagnosed HIVand onward transmission Fig 14 100% 54 25 90% 80% 54 (70) (30) 70% 60% 50% 75 40% 30% 20% 46 10% 0% Undiagnosed or diagnosed HIV New HIV Diagnoses Marks et al. AIDS 2006
Effect of knowing HIV statuson sexual behaviour • Meta-analysis of 11 analyses of sexual behaviour • 6 compared HIV+ “aware” versus HIV+ “unaware” • 5 compared pre- and post- HIV seroconversion • All looked at self-reported rates of unprotected anal or vaginal intercourse • UAV 53% (CI 45-60%) lower in those aware versus unaware of HIV+ status • If only considering where partner HIV-, 68% (CI 59-76%) Marks et al. JAIDS 2005
Summary • Earlier diagnosis decreases: • morbidity • mortality • onward transmission • Routine/opt-out testing is acceptable to patients • Good practice - not to offer a test might be considered negligent • Pressure from specialists/CMO
Also contains UK National Guidelines for HIV Testing 2008 from BASHH/BHIVA/BIS Available from: enquiries@medfash.bma.org.uk or 020 7383 6345