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David Dowdy, Elvin Geng, Katerina Christopoulos, James Kahn, C. Bradley Hare, Daniel Wlodarczyk, Diane Havlir Internal Medicine Residency Program, UCSF Positive Health Program, San Francisco General Hospital
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ART has shifted the spectrum of HIV-related mortality in the developed world. – <50% of deaths in ART-treated patients are AIDS- related. (ART-CC, Clin Infect Dis 2010, 50:1387) Socially-disadvantaged patients die more often, and of AIDS. New York AIDS registry: (Sackoff JE, Ann Int Med 2006,145:397) – 74% of deaths AIDS-related – Mortality 1.6 times higher in IDU Is excess, AIDS-related mortality seen in such patients who have linked to care? – Is this story changing over time?
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To characterize mortality among HIV-infected patients eligible for ART and linked to care at an urban public hospital ◦ Has mortality decreased in the last decade? ◦ Focus on 5 disadvantaged sub-populations: Injection drug use Alcohol abuse Mental health diagnosis Non-white race Female/transgender
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Design: Cohort study Setting: Urban safety-net HIV clinic San Francisco, California, USA Patients among the poorest in the city Patients: All patients linked to care & eligible for ART – ≥2 primary care visits – CD4 nadir ≤350 cells/mm 3 – Jan. 1998 through Aug. 2009 – N = 1651
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Measurements: At study entry: CD4/VL, HIV risk factors, prior ART Mortality: chart review & death index Analyses: Cox proportional hazards with delayed entries Primary comparison: mortality in 2000-2004 vs. 2005-2009 1/1/05: midpoint of study period & decade Secondary analyses: Disadvantaged subpopulations Causes of death, viral suppression
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VariableValue Age (years)49 (43-56) Male Gender1432 (87%) White Race779 (47%) HIV Risk Factor Men having Sex with Men (MSM) Injection Drug Use (IDU) Heterosexual Sex 981 (59%) 408 (25%) 419 (25%) CD4 at Eligibility (cells/mm 3 )205 (78-289) Exposed to ART before Eligibility672 (41%) Mental Health Diagnosis (in chart)664 (40%)
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ART-CC
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Causes of Death
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Disadvantaged Subgroups Had Higher Mortality in 2005-2009 Subpopulation HR for mortality: 2005-09 vs. 2000-04 HR (95% CI) p Female/Transgender1.73 (0.47-6.33) 0.41 Injection Drug Use4.15 (1.41-12.2) 0.009 Non-White Race1.70 (0.87-3.28) 0.12 Alcohol Abuse6.62 (0.83-52.9) 0.07 Mental Health Diagnosis2.68 (0.78-9.13) 0.12 Adjusted for age, initial CD4 count, baseline HIV viral load, HCV, and prior ART exposure
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Mortality in Injection Drug Users 2000-20042005-2009
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Unknown 19 (31%) Not AIDS 17 (28%)
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Viral Suppression at Any Point Deaths (n = 172) Survivors (n = 1479)
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Mortality was high & did not improve over time. 10% over 4 years (2.6% per person-year) in 2000-04 11% (2.7% per person-year) in 2005-09 Increased among IDU and other disadvantaged groups HIV-related mortality still dominates. Liver, heart, renal + non-AIDS cancer: <10% of deaths Most patients who died never suppressed their viral loads.
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In developed countries, wide disparities in mortality still exist among PLWHA. ◦ High mortality in socially-disadvantaged populations despite linkage to highest-quality care ◦ Parallel research needed on “old” & “new” HIV epidemics Intensive, multi-dimensional approach needed Future research directions: ◦ Comparing mortality among at-risk HIV-infected patients with non-infected peers ◦ Impact of linkage vs. maintenance of care
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Collaborators: ◦ Elvin Geng ◦ Kat Christopoulos ◦ Jim Kahn ◦ Brad Hare ◦ Dan Wlodarczyk ◦ Diane Havlir UCSF Resident Research Program Physicians & Patients of Ward 86
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Thank You!
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