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Decreased Lung Function and All-Cause Mortality in HIV-infected Individuals.

ABSTRACT: RATIONALE:Human immunodeficiency virus (HIV) infection is associated with pulmonary disease and worse lung function, but the relationship of lung function with survival in HIV is unknown. OBJECTIVES:To determine whether lung function is associated with all-cause mortality in HIV-infected individuals. METHODS:HIV-infected participants from cohorts in three locations underwent pre- and post-bronchodilator spirometry and determination of single-breath diffusing capacity of the lung for carbon monoxide (DlCO) in 2008-2009, computed tomographic (CT) scanning of the chest for quantitative emphysema and airway measures, and echocardiography for estimated left ventricular systolic and diastolic function and tricuspid regurgitant velocity. Bivariate analysis and multivariable Cox proportional hazards models were used to determine whether decreased lung function was independently associated with increased all-cause mortality. Models were adjusted for covariates including age, sex, body mass index, smoking status, self-reported hepatitis C status, HIV viral levels, CD4+ T-cell counts, hemoglobin, antiretroviral therapy, and illicit drug use. RESULTS:Overall, 396 HIV-infected participants underwent pulmonary function testing. Thirty-two participants (8%) died during a median follow-up period of 69 months. A post-bronchodilator FEV1-to-FVC ratio less than 0.7 (hazard ratio [HR], 2.47; 95% confidence interval [CI], 1.10-5.58) and a DlCO less than 60% (HR, 2.28; 95% CI, 1.08-4.82) were independently associated with worse mortality. Also, hepatitis C (HR, 2.68; 95% CI, 1.22-5.89) and baseline plasma HIV RNA level (HR per ln RNA copies/ml, 1.50; 95% CI, 1.22-1.86) were associated with mortality in HIV-infected participants. The only CT or echocardiographic measure associated with greater mortality in univariate analysis was greater wall thickness of medium-sized airways (HR for wall area percent, 1.08; 95% CI, 1.00-1.18; P?=?0.051), but none of the CT or echocardiogram measures were associated with mortality in multivariable analysis. CONCLUSIONS:Airflow obstruction and impaired diffusing capacity appear to be associated with all-cause mortality in HIV-infected persons over an average of 6 years of follow-up. These data highlight the importance of lung dysfunction in HIV-infected persons and should be confirmed in larger cohorts and with extended follow-up periods. Clinical trial registered with www.clinicaltrials.gov (NCT00869544, NCT01326572).

SUBMITTER: Gingo MR

PROVIDER: S-EPMC5822404 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature

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Decreased Lung Function and All-Cause Mortality in HIV-infected Individuals.

Gingo Matthew R MR Nouraie Mehdi M Kessinger Cathy J CJ Greenblatt Ruth M RM Huang Laurence L Kleerup Eric C EC Kingsley Lawrence L McMahon Deborah K DK Morris Alison A

Annals of the American Thoracic Society 20180201 2

<h4>Rationale</h4>Human immunodeficiency virus (HIV) infection is associated with pulmonary disease and worse lung function, but the relationship of lung function with survival in HIV is unknown.<h4>Objectives</h4>To determine whether lung function is associated with all-cause mortality in HIV-infected individuals.<h4>Methods</h4>HIV-infected participants from cohorts in three locations underwent pre- and post-bronchodilator spirometry and determination of single-breath diffusing capacity of the ...[more]

PMID: 29313714

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Project description:Compared with controls, human immunodeficiency virus (HIV)-infected persons have a greater prevalence of kidney disease, assessed according to high cystatin C level and albuminuria, but not according to creatinine level. However, the clinical importance of increased cystatin C level and albuminuria in the HIV-infected population has not been studied.We conducted an observational cohort study to determine the association of kidney disease (measured according to albuminuria, cystatin C, and serum creatinine) with mortality.922 HIV-infected persons enrolled in the FRAM (Fat Redistribution and Metabolic Change in HIV Infection) Study.Serum cystatin C and serum creatinine levels were used to estimate glomerular filtration rates (eGFR(SCysC) and eGFR(SCr), respectively). Albuminuria was defined as a positive urine dipstick result (? 1+) or urine albumin-creatinine ratio >30 mg/g.5-Year mortality.At baseline, decreased kidney function (eGFR(SCysC) <60 mL/min/1.73 m(2)) or albuminuria was present in 28% of participants. After 5 years of follow-up, mortality was 48% in those with both eGFR(SCysC) < 60 mL/min/1.73 m(2) and albuminuria, 23% in those with eGFR(SCysC) < 60 mL/min/1.73 m(2) alone, 20% in those with albuminuria alone, and 9% in those with neither condition. After multivariable adjustment for demographics, cardiovascular risk factors, HIV-related factors, and inflammatory marker levels, eGFR(SCysC) < 60 mL/min/1.73 m(2) and albuminuria were associated with a nearly 2-fold increase in mortality, whereas eGFR(SCr) < 60 mL/min/1.73 m(2) did not appear to have a substantial association with mortality. Together, eGFR(SCysC) <60 mL/min/1.73 m(2) and albuminuria accounted for 17% of the population-level attributable risk of mortality.Vital status was unknown in 261 participants from the original cohort.Kidney disease marked by albuminuria or increased cystatin C level appears to be an important risk factor for mortality in HIV-infected individuals. A substantial proportion of this risk may be unrecognized because of the current reliance on serum creatinine to estimate kidney function in clinical practice.

Project description:IntroductionEvidence suggests that individuals with a history of adverse childhood experiences have higher odds of developing kidney disease than individuals with no adverse childhood experiences. However, no study has examined the influence of coexisting adverse childhood experiences and kidney disease on mortality risk. This study uses a longitudinal survey of adults to examine the influence of coexisting adverse childhood experiences and decreased renal function on all-cause mortality in a sample of U.S. adults.MethodsA total of 1,205 adults participating in the Midlife Development in the United States series between 1995 and 2014 were used for this analysis performed in 2019. A total of 6 types of adverse childhood experiences were available in the data set, which were combined to create a dichotomous variable with any adverse experience counted as yes. Decreased renal function was defined as an estimated glomerular filtration rate <60 milliliter/minute/1.73 m2. The main outcome was all-cause mortality. Cox proportional hazards models were performed to examine 4 combinations of adverse childhood experiences and decreased renal function associated with overall survival (neither, adverse childhood experiences only, decreased renal function only, or both) controlling for covariables.ResultsIn fully adjusted models, adverse childhood experiences and decreased renal function were associated with increased all-cause mortality relative to neither (hazard ratio=2.85, 95% CI=1.30, 6.25). Decreased renal function only and adverse childhood experiences only were not significantly associated with all-cause mortality (hazard ratio=1.14, 95% CI=0.64, 2.04 and hazard ratio=1.55, 95% CI=0.44, 5.41, respectively). When using decreased renal function as the reference group, coexisting adverse childhood experiences and decreased renal function was associated with a 64% increased risk of all-cause mortality, though this relationship was not statistically significant.ConclusionsCoexistence of adverse childhood experiences and decreased renal function is associated with higher all-cause mortality than seen in individuals with neither adverse childhood experiences nor decreased renal function and may be associated with higher all-cause mortality than seen in individuals with decreased renal function alone. Future research is needed to better understand this potential association.

Project description:ObjectivesThe contribution of depression to mortality in adults with and without HIV infection is unclear. We hypothesized that depression increases mortality risk and that this association is stronger among those with HIV infection.MethodsVeterans Aging Cohort Study (VACS) data were analysed from the first clinic visit on or after 1 April 2003 (baseline) to 30 September 2015. Depression definitions were: (1) major depressive disorder defined using International Classification of Diseases, Ninth Revision (ICD-9) codes; (2) depressive symptoms defined as Patient Health Questionnaire (PHQ)-9 scores ≥ 10. The outcome was all-cause mortality. Covariates were demographics, comorbid conditions and health behaviours.ResultsAmong 129 140 eligible participants, 30% had HIV infection, 16% had a major depressive disorder diagnosis, and 24% died over a median follow-up time of 11 years. The death rate was 25.3 [95% confidence interval (CI) 25.0-25.6] deaths per 1000 person-years. Major depressive disorder was associated with mortality [hazard ratio (HR) 1.04; 95% CI 1.01, 1.07]. This association was modified by HIV status (interaction P-value = 0.02). In HIV-stratified analyses, depression was significantly associated with mortality among HIV-uninfected veterans but not among those with HIV infection. Among those with PHQ-9 data (n = 7372), 50% had HIV infection, 22% had PHQ-9 scores ≥ 10, and 28% died over a median follow-up time of 12 years. The death rate was 27.3 (95% CI 26.1-28.5) per 1000 person-years. Depressive symptoms were associated with mortality (HR 1.16; 95% CI 1.04, 1.28). This association was modified by HIV status (interaction P-value = 0.05). In HIV-stratified analyses, depressive symptoms were significantly associated with mortality among veterans with HIV infection but not among those without HIV infection.ConclusionsDepression was associated with all-cause mortality. This association was modified by HIV status and method of depression ascertainment.

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Decreased Lung Function and All-Cause Mortality in HIV-infected Individuals.

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Decreased Lung Function and All-Cause Mortality in HIV-infected Individuals.

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