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Massongo M, Balkissou AD, Endale Mangamba LM, Poka Mayap V, Ngah Komo ME, Nsounfon AW, Kuaban A, Pefura Yone EW. Chronic Obstructive Pulmonary Disease in Cameroon: Prevalence and Predictors-A Multisetting Community-Based Study. Pulm Med 2023; 2023:1631802. [PMID: 37736149 PMCID: PMC10511289 DOI: 10.1155/2023/1631802] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 08/22/2023] [Accepted: 09/01/2023] [Indexed: 09/23/2023] Open
Abstract
Objective Little is known concerning chronic obstructive pulmonary disease (COPD) in Sub-Saharan Africa (SSA), where the disease remains underdiagnosed. We aimed to estimate its prevalence in Cameroon and look for its predictors. Methods Adults aged 19 years and older were randomly selected in 4 regions of Cameroon to participate in a cross-sectional community-based study. Data were collected in the participant's home or place of work. Spirometry was performed on selected participants. COPD was defined as the postbronchodilator forced expiratory volume in 1 second/forced vital capacity ratio (FEV1/FVC) < lower limit of normal, using the global lung initiative (GLI) equations for Black people. Binomial logistic regression was used to seek COPD-associated factors. The strength of the association was measured using the adjusted odds ratio (aOR). Results A total of 5055 participants (median age (25th-75th percentile) = 43 (30-56) years, 54.9% of women) were enrolled. COPD prevalence (95% confidence interval (95% CI)) was 2.9% (2.4, 3.3)%. Independent predictors of COPD (aOR (95% CI)) were a high educational level (4.7 (2.0, 11.1)), living in semiurban or rural locality (1.7 (1.4, 3.0)), tobacco smoking (1.7 (1.1, 2.5)), biomass fuel exposure (1.9 (1.1, 3.3)), experience of dyspnea (2.2 (1.4, 3.5)), history of tuberculosis (3.6 (1.9, 6.7)), and history of asthma (6.3 (3.4, 11.6)). Obesity was protective factor (aOR (95%CI) = 0.3 (0.2, 0.5)). Conclusion The prevalence of COPD was relatively low. Alternative risk factors such as biomass fuel exposure, history of tuberculosis, and asthma were confirmed as predictors.
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Affiliation(s)
- Massongo Massongo
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
| | - Adamou Dodo Balkissou
- Faculty of Medicine and Biomedical Sciences, University of Ngaoundéré, Garoua, Cameroon
| | | | | | - Marie Elisabeth Ngah Komo
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
- Jamot Hospital, Yaoundé, Cameroon
| | | | - Alain Kuaban
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
- Jamot Hospital, Yaoundé, Cameroon
| | - Eric Walter Pefura Yone
- Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon
- Jamot Hospital, Yaoundé, Cameroon
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2
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Konstantinidis I, Crothers K, Kunisaki KM, Drummond MB, Benfield T, Zar HJ, Huang L, Morris A. HIV-associated lung disease. Nat Rev Dis Primers 2023; 9:39. [PMID: 37500684 DOI: 10.1038/s41572-023-00450-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/19/2023] [Indexed: 07/29/2023]
Abstract
Lung disease encompasses acute, infectious processes and chronic, non-infectious processes such as chronic obstructive pulmonary disease, asthma and lung cancer. People living with HIV are at increased risk of both acute and chronic lung diseases. Although the use of effective antiretroviral therapy has diminished the burden of infectious lung disease, people living with HIV experience growing morbidity and mortality from chronic lung diseases. A key risk factor for HIV-associated lung disease is cigarette smoking, which is more prevalent in people living with HIV than in uninfected people. Other risk factors include older age, history of bacterial pneumonia, Pneumocystis pneumonia, pulmonary tuberculosis and immunosuppression. Mechanistic investigations support roles for aberrant innate and adaptive immunity, local and systemic inflammation, oxidative stress, altered lung and gut microbiota, and environmental exposures such as biomass fuel burning in the development of HIV-associated lung disease. Assessment, prevention and treatment strategies are largely extrapolated from data from HIV-uninfected people. Smoking cessation is essential. Data on the long-term consequences of HIV-associated lung disease are limited. Efforts to continue quantifying the effects of HIV infection on the lung, especially in low-income and middle-income countries, are essential to advance our knowledge and optimize respiratory care in people living with HIV.
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Affiliation(s)
- Ioannis Konstantinidis
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Kristina Crothers
- Veterans Affairs Puget Sound Healthcare System and Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, USA
| | - Ken M Kunisaki
- Section of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, Minneapolis Veterans Affairs Health Care System, Minneapolis, MN, USA
| | - M Bradley Drummond
- Division of Pulmonary Diseases and Critical Care Medicine, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Thomas Benfield
- Department of Infectious Diseases, Copenhagen University Hospital, Amager and Hvidovre, Hvidovre, Denmark
| | - Heather J Zar
- Department of Paediatrics & Child Health, Red Cross War Memorial Children's Hospital, Cape Town, South Africa
- SA-MRC Unit on Child & Adolescent Health, University of Cape Town, Cape Town, South Africa
| | - Laurence Huang
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of California San Francisco, San Francisco, CA, USA
- Division of HIV, Infectious Diseases, and Global Medicine, Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Alison Morris
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
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Abstract
PURPOSE OF REVIEW As people living with human immunodeficiency virus (HIV, PLWH) age, aging-related comorbidities have come into focus as major challenges to their overall health. In this review, an in-depth overview of the two most commonly encountered chronic lung diseases in PLWH, chronic obstructive pulmonary disease (COPD) and lung cancer, is provided. RECENT FINDINGS The risk for both COPD and lung cancer remains significantly higher in PLWH compared to the HIV-uninfected population, although fortunately rates of lung cancer appear to be declining over the last two decades. Outcomes for PLWH with these conditions, though, continue to be poor with worse survival rates in comparison to the general population. PLWH still face major barriers in accessing care for these conditions, including a higher likelihood of being underdiagnosed with COPD and a lower likelihood of being referred for lung cancer screening or treatment. A lack of evidence for optimal treatment strategies for both COPD and lung cancer still hampers the care of PLWH with these conditions. SUMMARY COPD and lung cancer represent substantial burdens of disease in PLWH. Improved access to standard-of-care screening and treatment and greater investigation into therapeutic responses specifically in this population are recommended.
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Affiliation(s)
- Janice M Leung
- Division of Respiratory Medicine, Department of Medicine
- Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
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4
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Thudium RF, Ronit A, Afzal S, Çolak Y, Forman JL, Mendo F, Chen F, Estrada V, Kumarasamy N, Nordestgaard BG, Lundgren J, Vestbo J, Kunisaki KM, Nielsen SD. Faster lung function decline in people living with HIV despite adequate treatment: a longitudinal matched cohort study. Thorax 2023; 78:535-542. [PMID: 36639241 DOI: 10.1136/thorax-2022-218910] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 12/20/2022] [Indexed: 01/15/2023]
Abstract
INTRODUCTION Chronic lung disease is common among people living with HIV (PLWH). We hypothesised that PLWH receiving antiretroviral therapy (ART) have faster lung function decline than matched controls. METHODS We performed a prospective matched cohort study by including ART-treated PLWH from the Copenhagen Co-morbidity in HIV Infection Study (n=705) and the INSIGHT Strategic Timing of Antiretroviral Treatment Pulmonary Substudy (n=425) and frequency matched population controls from the Copenhagen General Population Study (n=2895) in a 1:3 ratio. Eligible participants were ≥25 years old and had two spirometry tests separated by at least 2 years of follow-up. Forced expiratory volume in 1 s (FEV1) decline (mL/year) was compared between PLWH and controls using a linear mixed model adjusted for age, sex, ethnicity and smoking status. Effect modification by smoking was investigated in subgroup analyses. RESULTS The majority of PLWH were virally suppressed (96.1%). The adjusted mean annual decline in FEV1 was faster in PLWH than in controls with 36.4 (95% CI 33.7 to 39.1) vs 27.9 (95% CI 26.9 to 28.8) mL/year, yielding a difference of 8.5 (95% CI 5.6 to 11.4) mL/year. The association between HIV and FEV1 decline was modified by smoking, with the largest difference in current smokers (difference: 16.8 (95% CI 10.5 to 23.0) mL/year) and the smallest difference in never-smokers (difference: 5.0 (95% CI 0.7 to 9.3) mL/year). FEV1 decline >40 mL/year was more prevalent in PLWH (adjusted OR: 1.98 (95% CI 1.67 to 2.34)). CONCLUSION Well-treated PLWH have faster lung function decline than controls and smoking seems to modify this association, suggesting that smoking may lead to more rapid lung function decline in PLWH than in controls.
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Affiliation(s)
- Rebekka Faber Thudium
- Department of Infectious Diseases, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Andreas Ronit
- Department of Infectious Diseases, Copenhagen University Hospital - Amager and Hvidovre Hospital, Hvidovre, Denmark
| | - Shoaib Afzal
- Department of Clinical Biochemistry and The Copenhagen General Population Study, Herlev and Gentofte University Hospital, Copenhagen, Denmark
| | - Yunus Çolak
- Department of Clinical Biochemistry and The Copenhagen General Population Study, Herlev and Gentofte University Hospital, Copenhagen, Denmark.,Department of Respiratory Medicine, Herlev and Gentofte University Hospital, Copenhagen, Denmark.,Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Julie Lyng Forman
- Department of Public Health, Section of Biostatistics, University of Copenhagen, Copenhagen, Denmark
| | - Fernando Mendo
- Hospital Nacional Edgardo Rebagliati Martins, Lima, Peru
| | | | - Vicente Estrada
- Hospital Clinico San Carlos-IdiSSC, Universidad Complutense, Madrid, Spain
| | | | - Børge G Nordestgaard
- Department of Clinical Biochemistry and The Copenhagen General Population Study, Herlev and Gentofte University Hospital, Copenhagen, Denmark.,Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jens Lundgren
- Department of Infectious Diseases, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.,Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,CHIP, Department of Infectious Diseases, Section 2100, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Jørgen Vestbo
- Division of Infection, Immunity and Respiratory Medicine, University of Manchester, Manchester, UK
| | - Ken M Kunisaki
- Minneapolis Veterans Affairs Health Care System, Minneapolis, Minnesota, USA.,University of Minnesota, Minneapolis, Minnesota, USA
| | - Susanne Dam Nielsen
- Department of Infectious Diseases, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark .,Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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5
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Njoku CM, Hurst JR, Kinsman L, Balogun S, Obamiro K. COPD in Africa: risk factors, hospitalisation, readmission and associated outcomes-a systematic review and meta-analysis. Thorax 2023; 78:596-605. [PMID: 36635039 DOI: 10.1136/thorax-2022-218675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 11/30/2022] [Indexed: 01/14/2023]
Abstract
BACKGROUND This review aims to synthesise available evidence on the prevalence of chronic obstructive pulmonary disease (COPD), associated risk factors, hospitalisations and COPD readmissions in Africa. METHOD Using the Met-Analyses and Systematic Reviews of Observational Studies guideline, electronic databases were searched from inception to 1 October 2021. The quality of studies was assessed using the Newcastle-Ottawa Scale. Evidence from retrieved articles was synthesised, and a random-effect model meta-analysis was conducted. The protocol was registered on PROSPERO. RESULTS Thirty-nine studies met the inclusion criteria, with 13 included in the meta-analysis. The prevalence of COPD varied between the Global Initiative for Chronic Obstructive Lung Disease (2%-24%), American Thoracic Society/European Respiratory Society (1%-17%) and Medical Research Council chronic bronchitis (2%-11%) criteria, respectively. Increasing age, wheezing and asthma were consistent risk factors for COPD from studies included in the narrative synthesis. Our meta-analysis indicated that prior tuberculosis ((OR 5.98, 95% CI 4.18 to 8.56), smoking (OR 2.80, 95% CI: 2.19 to 3.59) and use of biomass fuel (OR 1.52, 95% CI: 1.39 to 1.67)) were significant risk factors for COPD. Long-term oxygen therapy (HR 4.97, 95% CI (1.04 to 23.74)) and frequent hospitalisation (≥3 per year) (HR 11.48, 95% CI (1.31 to 100.79)) were risk factors associated with 30-day COPD readmission. CONCLUSION This study not only highlights specific risk factors for COPD risk in Africa but also demonstrates the paucity and absence of research in several countries in a continent with substantial COPD-related mortality. Our findings contribute towards the development of evidence-based clinical guidelines for COPD in Africa.PROSPERO registration numberCRD42020210581.
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Affiliation(s)
- Chidiamara Maria Njoku
- College of Health Sciences, Sport and Exercise Science, James Cook University Division of Tropical Health and Medicine, Townsville, Queensland, Australia
| | - John R Hurst
- Academic Unit of Respiratory Medicine, UCL Medical School, London, UK
| | - Leigh Kinsman
- School of Nursing and Midwifery, The University of Newcastle School of Nursing and Midwifery, Callaghan, New South Wales, Australia
| | - Saliu Balogun
- National Centre for Epidemiology and Population Health, Australian National University, Canberra, Australian Capital Territory, Australia
| | - Kehinde Obamiro
- Centre for Rural Health, University of Tasmania School of Health Sciences, Launceston, Tasmania, Australia
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6
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Maleche-Obimbo E, Odhiambo MA, Njeri L, Mburu M, Jaoko W, Were F, Graham SM. Magnitude and factors associated with post-tuberculosis lung disease in low- and middle-income countries: A systematic review and meta-analysis. PLOS GLOBAL PUBLIC HEALTH 2022; 2:e0000805. [PMID: 36962784 PMCID: PMC10021795 DOI: 10.1371/journal.pgph.0000805] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 11/03/2022] [Indexed: 06/18/2023]
Abstract
BACKGROUND Emerging evidence suggests that after completion of treatment for tuberculosis (TB) a significant proportion of patients experience sequelae. However, there is limited synthesized evidence on this from low-income countries, from Sub-Saharan Africa, and in HIV infected individuals. We seek to provide an updated comprehensive systematic review and meta-analysis on the magnitude and factors associated with post-TB lung disease (PTLD) in low- and middle-income countries (LMICs). METHODS We searched PubMed, Embase and CINAHL for studies from LMICs with data on post-TB lung health in patients who had previously completed treatment for pulmonary TB. Data on study characteristics, prevalence of PTLD-specifically abnormal lung function (spirometry), persisting respiratory symptoms and radiologic abnormalities were abstracted. Statistical analysis was performed using Microsoft Excel and R version 4.1 software, and random effects meta-analysis conducted to compute pooled prevalence of PTLD, evaluate heterogeneity, and assess factors associated with PTLD. RESULTS We identified 32 eligible studies with 6225 participants. Twenty-one studies were from Africa, 16 included HIV infected participants, spirometry was conducted in 20 studies, symptom assessment in 16 and chest imaging in eight. Pooled prevalence of abnormal lung function was 46.7%, persistent respiratory symptoms 41.0%, and radiologic abnormalities 64.6%. Magnitude of any type of PTLD varied by HIV status (HIV- 66.9%, HIV+ 32.8%, p = 0.0013), across geographic setting (SE Asia 57.5%, Southern America 50.8%, and Africa 38.2%, p = 0.0118), and across urban-rural settings (symptom prevalence: rural 68.8%, urban 39.1%, mixed settings 27.9%, p = 0.0035), but not by income settings, sex or age-group. CONCLUSIONS There is high burden of post-TB persistent respiratory symptoms, functional lung impairment and radiologic structural abnormalities in individuals living in LMICs. Burden varies across settings and by HIV status. This evidence may be valuable to advocate for and inform implementation of structured health care specific to the needs of this vulnerable population of individuals.
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Affiliation(s)
| | | | - Lynette Njeri
- School of Medicine, University of Nairobi, Nairobi, Kenya
| | - Moses Mburu
- Clinical Trials Facility, KEMRI-Wellcome Trust Research Programme, Kilifi, Kenya
| | - Walter Jaoko
- Department of Medical Microbiology & Immunology, University of Nairobi, Nairobi, Kenya
| | - Fredrick Were
- Department of Paediatrics & Child Health, University of Nairobi, Nairobi, Kenya
| | - Stephen M. Graham
- Department of Paediatrics, University of Melbourne, Melbourne, Australia
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7
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Fink DL, Oladele DA, Slack AJ, Odubela O, Musari-Martins T, Okechukwu A, Adetayo K, Opaneye S, Abubakar R, David A, Cai J, Quaderi S, Abubakar I, Ezechi O, Hurst JR, Lipman M, Salako B. A multi-centre observational study of HIV, tuberculosis and risk of chronic lung disease in urban West Africa. AIDS 2022; 36:1987-1995. [PMID: 35983707 DOI: 10.1097/qad.0000000000003360] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE HIV and tuberculosis (TB) are risk factors for non-communicable chronic lung disease (CLD). Despite the high prevalence of these infections in West Africa, there are no studies that compare CLD between people with HIV and HIV-negative populations in this setting. This study sought to quantify the contribution of HIV and TB infection in addition to conventional CLD risk factors, such as tobacco and biofuel exposure, to CLD in urban West Africa. DESIGN A multi-centre cross-sectional study was conducted in three community clinics in Lagos, Nigeria between 2018 and 2019. METHODS Spirometry, questionnaires and clinical records were used to estimate prevalence of CLD and association with risk factors. RESULTS In total, 148 HIV-negative individuals and 170 HIV-positive individuals completed the study. Current cigarette (11 of 318, 3.5%) and lifetime domestic biofuel (6 of 318, 1.8%) exposures were low. Airway obstruction (33 of 170, 19.4% vs. 12 of 148, 8.1%, P = 0.004) and CLD (73 of 170, 42.9% vs. 34 of 148, 23%, P < 0.0001) were more prevalent in people with HIV compared with the HIV-negative group. HIV infection [odds ratio 2.35 (1.33, 4.17), P = 0.003] and history of TB [odds ratio 2.09 (1.04, 4.20), P = 0.038] were independently associated with increased risk of CLD. CONCLUSION HIV and TB far outweigh conventional risk factors, including tobacco and domestic biofuel exposure, as drivers of non-communicable CLD in urban West Africa. Current global policy for CLD may have limited impact on CLD in this setting. Enhanced prevention, diagnosis and management strategies for incident HIV and TB infections are likely to have a significant impact on long-term lung health in sub-Saharan Africa.
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Affiliation(s)
- Douglas L Fink
- Department of Clinical Research, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine.,Division of Infection and Immunity, University College London, London, UK
| | - David A Oladele
- Department of Non Communicable Disease Research, Clinical Sciences Department, Nigerian Institute of Medical Research, Lagos, Nigeria
| | - Abigail J Slack
- Department of Clinical Research, Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine
| | - Oluwatosin Odubela
- Department of Non Communicable Disease Research, Clinical Sciences Department, Nigerian Institute of Medical Research, Lagos, Nigeria
| | - Tomilola Musari-Martins
- Department of Non Communicable Disease Research, Clinical Sciences Department, Nigerian Institute of Medical Research, Lagos, Nigeria
| | - Adaobi Okechukwu
- Department of Non Communicable Disease Research, Clinical Sciences Department, Nigerian Institute of Medical Research, Lagos, Nigeria
| | - Kemi Adetayo
- Department of Non Communicable Disease Research, Clinical Sciences Department, Nigerian Institute of Medical Research, Lagos, Nigeria
| | - Sola Opaneye
- Department of Non Communicable Disease Research, Clinical Sciences Department, Nigerian Institute of Medical Research, Lagos, Nigeria
| | - Rufai Abubakar
- Department of Non Communicable Disease Research, Clinical Sciences Department, Nigerian Institute of Medical Research, Lagos, Nigeria
| | - Agatha David
- Department of Non Communicable Disease Research, Clinical Sciences Department, Nigerian Institute of Medical Research, Lagos, Nigeria
| | - James Cai
- Division of Infection and Immunity, University College London, London, UK
| | | | - Ibrahim Abubakar
- Institute for Global Health, University College London, London, UK
| | - Oliver Ezechi
- Department of Non Communicable Disease Research, Clinical Sciences Department, Nigerian Institute of Medical Research, Lagos, Nigeria
| | - John R Hurst
- Centre for Inflammation and Tissue Repair; UCL Respiratory
| | - Marc Lipman
- Centre for Inflammation and Tissue Repair; UCL Respiratory
| | - Babatunde Salako
- Department of Non Communicable Disease Research, Clinical Sciences Department, Nigerian Institute of Medical Research, Lagos, Nigeria
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8
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Gilbert RF, Cichowitz C, Bibangambah P, Kim JH, Hemphill LC, Yang IT, Sentongo RN, Kakuhikire B, Christiani DC, Tsai AC, Okello S, Siedner MJ, North CM. Lung function and atherosclerosis: a cross-sectional study of multimorbidity in rural Uganda. BMC Pulm Med 2022; 22:12. [PMID: 34983492 PMCID: PMC8728924 DOI: 10.1186/s12890-021-01792-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 12/09/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) is a leading cause of global mortality. In high-income settings, the presence of cardiovascular disease among people with COPD increases mortality and complicates longitudinal disease management. An estimated 26 million people are living with COPD in sub-Saharan Africa, where risk factors for co-occurring pulmonary and cardiovascular disease may differ from high-income settings but remain uncharacterized. As non-communicable diseases have become the leading cause of death in sub-Saharan Africa, defining multimorbidity in this setting is critical to inform the required scale-up of existing healthcare infrastructure. METHODS We measured lung function and carotid intima media thickness (cIMT) among participants in the UGANDAC Study. Study participants were over 40 years old and equally divided into people living with HIV (PLWH) and an age- and sex-similar, HIV-uninfected control population. We fit multivariable linear regression models to characterize the relationship between lung function (forced expiratory volume in one second, FEV1) and pre-clinical atherosclerosis (cIMT), and evaluated for effect modification by age, sex, smoking history, HIV, and socioeconomic status. RESULTS Of 265 participants, median age was 52 years, 125 (47%) were women, and 140 (53%) were PLWH. Most participants who met criteria for COPD were PLWH (13/17, 76%). Median cIMT was 0.67 mm (IQR: 0.60 to 0.74), which did not differ by HIV serostatus. In models adjusted for age, sex, socioeconomic status, smoking, and HIV, lower FEV1 was associated with increased cIMT (β = 0.006 per 200 mL FEV1 decrease; 95% CI 0.002 to 0.011, p = 0.01). There was no evidence that age, sex, HIV serostatus, smoking, or socioeconomic status modified the relationship between FEV1 and cIMT. CONCLUSIONS Impaired lung function was associated with increased cIMT, a measure of pre-clinical atherosclerosis, among adults with and without HIV in rural Uganda. Future work should explore how co-occurring lung and cardiovascular disease might share risk factors and contribute to health outcomes in sub-Saharan Africa.
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Affiliation(s)
- Rebecca F Gilbert
- Massachusetts General Hospital, 55 Fruit Street, BUL-148, Boston, MA, 02114, USA
| | - Cody Cichowitz
- Massachusetts General Hospital, 55 Fruit Street, BUL-148, Boston, MA, 02114, USA
| | | | - June-Ho Kim
- Brigham and Women's Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Linda C Hemphill
- Massachusetts General Hospital, 55 Fruit Street, BUL-148, Boston, MA, 02114, USA.,Harvard Medical School, Boston, MA, USA
| | | | - Ruth N Sentongo
- Mbarara University of Science and Technology, Mbarara, Uganda
| | | | - David C Christiani
- Massachusetts General Hospital, 55 Fruit Street, BUL-148, Boston, MA, 02114, USA.,Harvard TH Chan School of Public Health, Boston, MA, USA
| | - Alexander C Tsai
- Massachusetts General Hospital, 55 Fruit Street, BUL-148, Boston, MA, 02114, USA.,Mbarara University of Science and Technology, Mbarara, Uganda.,Harvard Medical School, Boston, MA, USA
| | - Samson Okello
- Mbarara University of Science and Technology, Mbarara, Uganda
| | - Mark J Siedner
- Massachusetts General Hospital, 55 Fruit Street, BUL-148, Boston, MA, 02114, USA.,Mbarara University of Science and Technology, Mbarara, Uganda.,Harvard Medical School, Boston, MA, USA
| | - Crystal M North
- Massachusetts General Hospital, 55 Fruit Street, BUL-148, Boston, MA, 02114, USA. .,Harvard Medical School, Boston, MA, USA.
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9
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Ddungu A, Semitala FC, Castelnuovo B, Sekaggya-Wiltshire C, Worodria W, Kirenga BJ. Chronic obstructive pulmonary disease prevalence and associated factors in an urban HIV clinic in a low income country. PLoS One 2021; 16:e0256121. [PMID: 34388209 PMCID: PMC8362990 DOI: 10.1371/journal.pone.0256121] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 08/01/2021] [Indexed: 11/22/2022] Open
Abstract
Introduction In the last decade, survival of people living with HIV (PLHIV) has dramatically increased due wide availability of effective antiretroviral therapy. However, PLHIV remain at a comparatively higher risk of non-communicable comorbidities. We sought to determine the burden of COPD and its associations in an urban tertiary HIV clinic in Uganda. Methods and findings HIV-infected adults attending the Makerere University Joint AIDS program; aged ≥30 years without acute ailments were screened for COPD using study questionnaires and spirometry (post-bronchodilator FEV1/FVC<0.7). We determined its prevalence and association with demographic characteristics, body mass index (BMI) and known risk factors. Of 288 participants enrolled, 177 (61%) were female; 253 (88%) were from urban residences, median age was 45 years (IQR: 39–51), 71(25%) were ‘ever’ smokers, 284(99%) reported biomass fuel use and 72(25%) had a history of tuberculosis. All except 1 participant were on antiretroviral therapy, median current CD4 (cells/mm3) was 558 (IQR 402–753) and 275(96%) were virologically suppressed. Nearly half (130/288, 45%) had recurrent respiratory symptoms. The prevalence of COPD was 3.1% (9/288) [95% CI: 1.63–5.92]. COPD was associated with: previous tuberculosis, (adjusted odds ratio (AOR): 6.36, [95% CI 1.64–35.84], P = 0.036), self-reported chronic shortness of breath (AOR: 9.06, [95% CI 1.34–61.10], P = 0.024) and a BMI <21 Kg/m2 (AOR: 10.42 [95% CI: 1.61–100.00], P = 0.013). Conclusion In this HIV population, COPD prevalence was low and was associated with previous tuberculosis, self-reported chronic shortness of breath and BMI <21 Kg/m2.
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Affiliation(s)
- Ahmed Ddungu
- Infectious Diseases Institute, Makerere University, Kamplala, Uganda
- Makerere University Lung Institute, Kamplala, Uganda
- * E-mail: ,
| | - Fred C. Semitala
- Makerere University College of Health Sciences, Kamplala, Uganda
- Makerere University Joint AIDS program, Kamplala, Uganda
- Mulago National Referral Hospital, Kamplala, Uganda
| | | | - Christine Sekaggya-Wiltshire
- Infectious Diseases Institute, Makerere University, Kamplala, Uganda
- Mulago National Referral Hospital, Kamplala, Uganda
| | - William Worodria
- Makerere University Lung Institute, Kamplala, Uganda
- Makerere University College of Health Sciences, Kamplala, Uganda
- Mulago National Referral Hospital, Kamplala, Uganda
| | - Bruce J. Kirenga
- Makerere University Lung Institute, Kamplala, Uganda
- Makerere University College of Health Sciences, Kamplala, Uganda
- Mulago National Referral Hospital, Kamplala, Uganda
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Joseph Y, Yao Z, Dua A, Severe P, Collins SE, Bang H, Antoine Jean‐Juste M, Ocheretina O, Apollon A, McNairy ML, Dupnik K, Cremieux E, Byrne A, Pape JW, Koenig SP. Long-term mortality after tuberculosis treatment among persons living with HIV in Haiti. J Int AIDS Soc 2021; 24:e25721. [PMID: 34235862 PMCID: PMC8264404 DOI: 10.1002/jia2.25721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 03/11/2021] [Accepted: 04/09/2021] [Indexed: 11/09/2022] Open
Abstract
INTRODUCTION Long-term mortality among TB survivors appears to be higher than control populations without TB in many settings. However, data are limited among persons with HIV (PWH). We assessed the association between cured TB and long-term mortality among persons with PWH in Haiti. METHODS A prospective cohort of PWH from the CIPRA HT-001 trial was followed from study enrolment (August 2005 to July 2008) to study closure (December 2018) to compare mortality between participants with and without TB. The index date for the survival analysis was defined as 240 days after TB diagnosis or randomization date. Time to death was described using Kaplan-Meier curves, and log-rank tests were used to compare time to death between the TB and no-TB cohorts. The association between TB and long-term mortality was estimated with multivariable Cox models. RESULTS Of the 816 participants in the CIPRA HT-001 trial, 77 were excluded for a history of TB prior to study enrolment and 31 were excluded due to death or attrition prior to the index date, leaving 574 in the no-TB and 134 in the TB cohort. Twenty-four (17.9%) participants in the TB and 48 (8.4%) in the no-TB cohort died during follow-up. Five and 10-year mortality rates were 14.2% and 17.9% respectively, in the TB cohort, and 6.1% and 8.4% in the no-TB cohort. In Kaplan-Meier analysis, participants in the TB cohort had a significantly shorter time to death (log-rank p < 0.001). In multivariable analysis, TB treatment was the only predictor of mortality (HR: 2.78; 95% CI: 1.61, 4.79). Sensitivity analyses, which included only baseline TB cases, an index date of two years after TB diagnosis, and study enrolment and case-control matching yielded results that were consistent with primary analyses. CONCLUSIONS PWH who are successfully treated for TB have higher long-term mortality than those who are never diagnosed with TB, even after accounting for acute TB-related mortality. A better understanding of the underlying mechanisms associated with TB sequelae is critically needed to guide specific interventions. Until then, more aggressive measures for health promotion and disease prevention are essential to improve long-term survival for PWH after TB treatment.
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Affiliation(s)
- Yvetot Joseph
- Haitian Study Group for Kaposi’s Sarcoma and Opportunistic Infections (GHESKIO)Port‐au‐PrinceHaiti
| | | | | | - Patrice Severe
- Haitian Study Group for Kaposi’s Sarcoma and Opportunistic Infections (GHESKIO)Port‐au‐PrinceHaiti
| | - Sean E Collins
- Haitian Study Group for Kaposi’s Sarcoma and Opportunistic Infections (GHESKIO)Port‐au‐PrinceHaiti
| | - Heejung Bang
- Division of BiostatisticsDepartment of Public Health SciencesUniversity of CaliforniaDavisCAUSA
| | - Marc Antoine Jean‐Juste
- Haitian Study Group for Kaposi’s Sarcoma and Opportunistic Infections (GHESKIO)Port‐au‐PrinceHaiti
| | - Oksana Ocheretina
- Center for Global HealthDepartment of MedicineWeill Cornell Medical CollegeNew YorkNYUSA
| | - Alexandra Apollon
- Haitian Study Group for Kaposi’s Sarcoma and Opportunistic Infections (GHESKIO)Port‐au‐PrinceHaiti
| | - Margaret L McNairy
- Center for Global HealthDepartment of MedicineWeill Cornell Medical CollegeNew YorkNYUSA
| | - Kathryn Dupnik
- Center for Global HealthDepartment of MedicineWeill Cornell Medical CollegeNew YorkNYUSA
| | - Etienne Cremieux
- Haitian Study Group for Kaposi’s Sarcoma and Opportunistic Infections (GHESKIO)Port‐au‐PrinceHaiti
| | - Anthony Byrne
- Department of MedicineUniversity of New South WalesSydneyNSWAustralia
| | - Jean W Pape
- Haitian Study Group for Kaposi’s Sarcoma and Opportunistic Infections (GHESKIO)Port‐au‐PrinceHaiti
| | - Serena P Koenig
- Division of Global Health EquityBrigham and Women’s HospitalHarvard Medical SchoolBostonMAUSA
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An Emerging Syndemic of Smoking and Cardiopulmonary Diseases in People Living with HIV in Africa. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18063111. [PMID: 33803504 PMCID: PMC8003038 DOI: 10.3390/ijerph18063111] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 03/11/2021] [Accepted: 03/14/2021] [Indexed: 11/29/2022]
Abstract
Background: African countries have the highest number of people living with HIV (PWH). The continent is home to 12% of the global population, but accounts for 71% of PWH globally. Antiretroviral therapy has played an important role in the reduction of the morbidity and mortality rates for HIV, which necessitates increased surveillance of the threats from pernicious risks to which PWH who live longer remain exposed. This includes cardiopulmonary comorbidities, which pose significant public health and economic challenges. A significant contributor to the cardiopulmonary comorbidities is tobacco smoking. Indeed, globally, PWH have a 2–4-fold higher utilization of tobacco compared to the general population, leading to endothelial dysfunction and atherogenesis that result in cardiopulmonary diseases, such as chronic obstructive pulmonary disease and coronary artery disease. In the context of PWH, we discuss (1) the current trends in cigarette smoking and (2) the lack of geographically relevant data on the cardiopulmonary conditions associated with smoking; we then review (3) the current evidence on chronic inflammation induced by smoking and the potential pathways for cardiopulmonary disease and (4) the multifactorial nature of the syndemic of smoking, HIV, and cardiopulmonary diseases. This commentary calls for a major, multi-setting cohort study using a syndemics framework to assess cardiopulmonary disease outcomes among PWH who smoke. Conclusion: We call for a parallel program of implementation research to promote the adoption of evidence-based interventions, which could improve health outcomes for PWH with cardiopulmonary diseases and address the health inequities experienced by PWH in African countries.
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Byanova KL, Kunisaki KM, Vasquez J, Huang L. Chronic obstructive pulmonary disease in HIV. Expert Rev Respir Med 2021; 15:71-87. [PMID: 33167728 PMCID: PMC7856058 DOI: 10.1080/17476348.2021.1848556] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 11/05/2020] [Indexed: 02/06/2023]
Abstract
Introduction: Chronic obstructive pulmonary disease (COPD) is more prevalent in people with HIV (PWH) than in the general population and leads to an increased burden of morbidity and mortality in this population. The mechanisms behind COPD development and progression in PWH are not fully elucidated, and there are no PWH-specific guidelines for COPD management. Areas covered: The goal of this broad narrative review is to review the epidemiology of COPD in PWH globally, highlight proposed pathways contributing to increased COPD prevalence and progression in PWH, discuss structural and functional changes in the lungs in this population, assesses the excess mortality and comorbidities in PWH with COPD, and address management practices for this unique population. Expert opinion: Understanding how a chronic viral infection leads to COPD, independent of cigarette smoking, is of critical scientific importance. Further research should focus on the pathophysiology of the interaction between HIV and COPD, and determine the role of disease-modifying risk factors such as opportunistic pneumonia and air pollution, as well as generate data from randomized clinical trials on the safety and efficacy of specific therapies for this vulnerable patient population.
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Affiliation(s)
- Katerina L Byanova
- Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Ken M. Kunisaki
- Section of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Minneapolis Veterans Affairs Health Care System, Minneapolis, MN, USA
- Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, University of Minnesota, Minneapolis, MN, USA
| | - Joshua Vasquez
- Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, University of California San Francisco, San Francisco, CA, USA
- Division of Experimental Medicine, Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Laurence Huang
- Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, Department of Medicine, University of California San Francisco, San Francisco, CA, USA
- HIV, Infectious Diseases, and Global Medicine Division, Department of Medicine, University of California San Francisco, San Francisco, CA, USA
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Abstract
OBJECTIVES Initial studies suggest HIV-positive persons may be at increased risk for chronic lung diseases such as chronic obstructive pulmonary disease, but have commonly relied on single-center designs, lacked HIV-negative controls, or assessed lung function with only spirometry. We tested differences in spirometry and single-breath diffusing capacity for carbon monoxide (DLCO) in persons with and without HIV. DESIGN Cross-sectional, observational study. METHODS Participants were enrolled from the Multicenter AIDS Cohort Study, a longitudinal cohort study of men who have sex with men (both HIV-positive and HIV-negative) at four sites in the United States. Standardized spirometry and DLCO testing were performed in all eligible, consenting participants at routine study visits. We tested associations between HIV status and spirometry and DLCO results, using linear and logistic regression. RESULTS Among 1067 men, median age was 57 years, prevalence of current marijuana (30%), and cigarette (24%) use was high, and another 45% were former cigarette smokers. Median forced expiratory volume in 1 s was 97% of predicted normal and DLCO was 85% of predicted normal. HIV-positive persons demonstrated no statistical difference in forced expiratory volume in 1 s compared with HIV-negative persons, but had worse DLCO (adjusted difference -2.6% of predicted; 95% confidence interval: -4.7 to -0.6%) and a higher risk of DLCO impairment (odds ratio for DLCO < 60% of predicted 2.97; 95% confidence interval: 1.36-6.47). Lower DLCO was associated with lower nadir CD4 cell counts. CONCLUSION HIV-positive men are at increased risk of abnormal gas exchange, indicated by low DLCO, compared with men without HIV.
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Kayongo A, Wosu AC, Naz T, Nassali F, Kalyesubula R, Kirenga B, Wise RA, Siddharthan T, Checkley W. Chronic Obstructive Pulmonary Disease Prevalence and Associated Factors in a Setting of Well-Controlled HIV, A Cross-Sectional Study. COPD 2020; 17:297-305. [PMID: 32462945 PMCID: PMC8126339 DOI: 10.1080/15412555.2020.1769583] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 05/07/2020] [Accepted: 05/10/2020] [Indexed: 10/24/2022]
Abstract
In Sub-Saharan Africa, COPD remains prevalent but its association with HIV is not well characterized especially in rural settings. We assessed for COPD prevalence, associated factors and lung function profile among HIV-infected individuals attending ART clinics in rural Nakaseke district of Uganda. We enrolled HIV-positive participants from four HIV treatment centers in rural Uganda. Participants underwent spirometry testing following standard guidelines. We defined COPD as a post-bronchodilator FEV1/FVC ratio less than the fifth percentile of the NHANES III African-American reference. We assessed for factors associated with COPD and lung function profiles using multivariable logistic and linear regression analyses. We analyzed data from 722 HIV-positive participants (mean age 48.0 years, 59.7% women). Over 90% of participants were on ART for a median duration of 4 years (IQR 2-7 years), with a median viral load of 0 copies/mL (IQR 0-0 copies/mL), current and baseline CD4 + T cell count of 478 cells/mm3 (IQR 346-663 cells/mm3) and 335 cells/mm3 (IQR 187-523 cells/mm3) respectively. The prevalence of COPD was 6.22%. COPD was associated with worse respiratory symptoms and health status. History of pulmonary tuberculosis was strongly associated with COPD (adjusted OR = 4.92, 95% CI 1.71 to 14.15, p = 0.003) and reduced lung function. Use of ART, CD4+T cell count and viral load were not associated with COPD or reduced lung function. In conclusion, we report a COPD prevalence of 6.22% in HIV-infected individuals in rural Uganda. Pulmonary tuberculosis remains the strongest predictor of COPD risk and reduced lung function in well-controlled HIV.
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Affiliation(s)
- Alex Kayongo
- College of Health Sciences, Makerere University, Kampala, Uganda
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland, USA
- Center for Global Non-Communicable Disease Research and Training, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
| | - Adaeze C Wosu
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland, USA
- Center for Global Non-Communicable Disease Research and Training, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
| | - Tasmia Naz
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland, USA
| | - Faith Nassali
- College of Health Sciences, Makerere University, Kampala, Uganda
- Department of Research, African Community Center for Social Sustainability (ACCESS), Nakaseke, Uganda
| | - Robert Kalyesubula
- College of Health Sciences, Makerere University, Kampala, Uganda
- Department of Research, African Community Center for Social Sustainability (ACCESS), Nakaseke, Uganda
| | - Bruce Kirenga
- College of Health Sciences, Makerere University, Kampala, Uganda
- Makerere University Lung Institute, Makerere University College of Health Sciences, Kampala, Uganda
| | - Robert A Wise
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland, USA
| | - Trishul Siddharthan
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland, USA
- Center for Global Non-Communicable Disease Research and Training, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
| | - William Checkley
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland, USA
- Center for Global Non-Communicable Disease Research and Training, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
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15
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Effects of commodity on the risk of emphysema in South African miners. Int Arch Occup Environ Health 2019; 93:315-323. [PMID: 31701235 DOI: 10.1007/s00420-019-01483-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 10/23/2019] [Indexed: 10/25/2022]
Abstract
PURPOSE To examine associations between mine commodity such as coal, platinum, or diamonds and emphysema among South African miners at autopsy. METHODS We examined the association between mine commodity and emphysema using the Pathology Automation (PATHAUT) database, 1975-2014. Exposure was characterized as longest tenure in each commodity. We constructed separate multivariable logistic regression models for black and white miners. Smoking was assessed in a sub-analysis of white miners. RESULTS Among black miners, coal mining was significantly associated with increased odds of emphysema [OR = 2.39 (95% CI 1.86, 3.07)] when compared to gold mining. Asbestos was also associated with significantly increased odds of emphysema among black miners [OR = 1.47 (95% CI 1.01, 2.12)]. No associations between commodity and emphysema were observed among white miners. Cumulative years of exposure and age at death were significant predictors for emphysema for both black and white miners. Smoking was a significant predictor of emphysema in the sub-analysis of white miners with smoking information, but no effect of commodity was observed. CONCLUSIONS We observed a significant association between coal mining and emphysema among black miners. Adverse health effects of coal mining are evidenced by more than twofold increase in emphysema among black coal miners compared to gold miners. This suggests that South African Coal miners are exposed to high dust concentrations or more damaging components compared to other commodities, resulting in elevated risk of emphysema.
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Cribbs SK, Crothers K, Morris A. Pathogenesis of HIV-Related Lung Disease: Immunity, Infection, and Inflammation. Physiol Rev 2019; 100:603-632. [PMID: 31600121 DOI: 10.1152/physrev.00039.2018] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Despite anti-retroviral therapy (ART), human immunodeficiency virus-1 (HIV)-related pulmonary disease continues to be a major cause of morbidity and mortality for people living with HIV (PLWH). The spectrum of lung diseases has changed from acute opportunistic infections resulting in death to chronic lung diseases for those with access to ART. Chronic immune activation and suppression can result in impairment of innate immunity and progressive loss of T cell and B cell functionality with aberrant cytokine and chemokine responses systemically as well as in the lung. HIV can be detected in the lungs of PLWH and has profound effects on cellular immune functions. In addition, HIV-related lung injury and disease can occur secondary to a number of mechanisms including altered pulmonary and systemic inflammatory pathways, viral persistence in the lung, oxidative stress with additive effects of smoke exposure, microbial translocation, and alterations in the lung and gut microbiome. Although ART has had profound effects on systemic viral suppression in HIV, the impact of ART on lung immunology still needs to be fully elucidated. Understanding of the mechanisms by which HIV-related lung diseases continue to occur is critical to the development of new preventive and therapeutic strategies to improve lung health in PLWH.
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Affiliation(s)
- Sushma K Cribbs
- Pulmonary Medicine, Department of Veterans Affairs, Atlanta, Georgia; Department of Medicine, Division of Pulmonary, Allergy, Critical Care and Sleep, Emory University, Atlanta, Georgia; Department of Medicine, Veterans Affairs Puget Sound Health Care System and Division of Pulmonary, Critical Care and Sleep Medicine, University of Washington, Seattle, Washington; and Department of Medicine, Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Kristina Crothers
- Pulmonary Medicine, Department of Veterans Affairs, Atlanta, Georgia; Department of Medicine, Division of Pulmonary, Allergy, Critical Care and Sleep, Emory University, Atlanta, Georgia; Department of Medicine, Veterans Affairs Puget Sound Health Care System and Division of Pulmonary, Critical Care and Sleep Medicine, University of Washington, Seattle, Washington; and Department of Medicine, Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Alison Morris
- Pulmonary Medicine, Department of Veterans Affairs, Atlanta, Georgia; Department of Medicine, Division of Pulmonary, Allergy, Critical Care and Sleep, Emory University, Atlanta, Georgia; Department of Medicine, Veterans Affairs Puget Sound Health Care System and Division of Pulmonary, Critical Care and Sleep Medicine, University of Washington, Seattle, Washington; and Department of Medicine, Division of Pulmonary, Allergy, and Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
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North CM, MacNaughton P, Lai PS, Vallarino J, Okello S, Kakuhikire B, Tsai AC, Castro MC, Siedner MJ, Allen JG, Christiani DC. Personal carbon monoxide exposure, respiratory symptoms, and the potentially modifying roles of sex and HIV infection in rural Uganda: a cohort study. Environ Health 2019; 18:73. [PMID: 31429759 PMCID: PMC6701123 DOI: 10.1186/s12940-019-0517-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Accepted: 08/12/2019] [Indexed: 05/04/2023]
Abstract
BACKGROUND Most of the global burden of pollution-related morbidity and mortality is believed to occur in resource-limited settings, where HIV serostatus and sex may influence the relationship between air pollution exposure and respiratory morbidity. The lack of air quality monitoring networks in these settings limits progress in measuring global disparities in pollution-related health. Personal carbon monoxide monitoring may identify sub-populations at heightened risk for air pollution-associated respiratory morbidity in regions of the world where the financial cost of air quality monitoring networks is prohibitive. METHODS From September 2015 through May 2017, we measured 48-h ambulatory carbon monoxide (CO) exposure in a longitudinal cohort of HIV-infected and uninfected adults in rural southwestern Uganda. We fit generalized mixed effects models to identify correlates of CO exposure exceeding international air quality thresholds, quantify the relationship between CO exposure and respiratory symptoms, and explore potential effect modification by sex and HIV serostatus. RESULTS Two hundred and sixty study participants completed 419 sampling periods. Personal CO exposure exceeded international thresholds for 50 (19%) participants. In covariate-adjusted models, living in a home where charcoal was the main cooking fuel was associated with CO exposure exceeding international thresholds (adjusted odds ratio [AOR] 11.3, 95% confidence interval [95%CI] 4.7-27.4). In sex-stratified models, higher CO exposure was associated with increased odds of respiratory symptoms among women (AOR 3.3, 95%CI 1.1-10.0) but not men (AOR 1.3, 95%CI 0.4-4.4). In HIV-stratified models, higher CO exposure was associated with increased odds of respiratory symptoms among HIV-infected (AOR 2.5, 95%CI 1.01-6.0) but not HIV-uninfected (AOR 1.4, 95%CI 0.1-14.4) participants. CONCLUSIONS In a cohort in rural Uganda, personal CO exposure frequently exceeded international thresholds, correlated with biomass exposure, and was associated with respiratory symptoms among women and people living with HIV. Our results provide support for the use of ambulatory CO monitoring as a low-cost, feasible method to identify subgroups with heightened vulnerability to pollution-related respiratory morbidity in resource-limited settings and identify subgroups that may have increased susceptibility to pollution-associated respiratory morbidity.
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Affiliation(s)
- Crystal M. North
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, 55 Fruit Street, BUL-148, Boston, MA 02118 USA
- Harvard T.H. Chan School of Public Health, Boston, MA USA
- Harvard Medical School, Boston, MA USA
| | | | - Peggy S. Lai
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, 55 Fruit Street, BUL-148, Boston, MA 02118 USA
- Harvard T.H. Chan School of Public Health, Boston, MA USA
- Harvard Medical School, Boston, MA USA
| | - Jose Vallarino
- Harvard T.H. Chan School of Public Health, Boston, MA USA
| | - Samson Okello
- Harvard T.H. Chan School of Public Health, Boston, MA USA
- Mbarara University of Science and Technology, Mbarara, Uganda
- University of Virginia Health System, Charlottesville, USA
| | | | - Alexander C. Tsai
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, 55 Fruit Street, BUL-148, Boston, MA 02118 USA
- Harvard Medical School, Boston, MA USA
- Mbarara University of Science and Technology, Mbarara, Uganda
| | | | - Mark J. Siedner
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, 55 Fruit Street, BUL-148, Boston, MA 02118 USA
- Harvard Medical School, Boston, MA USA
- Mbarara University of Science and Technology, Mbarara, Uganda
| | - Joseph G. Allen
- Harvard T.H. Chan School of Public Health, Boston, MA USA
- Harvard Medical School, Boston, MA USA
| | - David C. Christiani
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, 55 Fruit Street, BUL-148, Boston, MA 02118 USA
- Harvard T.H. Chan School of Public Health, Boston, MA USA
- Harvard Medical School, Boston, MA USA
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18
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North CM, Kakuhikire B, Vořechovská D, Hausammann-Kigozi S, McDonough AQ, Downey J, Christiani DC, Tsai AC, Siedner MJ. Prevalence and correlates of chronic obstructive pulmonary disease and chronic respiratory symptoms in rural southwestern Uganda: a cross-sectional, population-based study. J Glob Health 2019; 9:010434. [PMID: 31217961 PMCID: PMC6571107 DOI: 10.7189/jogh.09.010434] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Background The global burden of chronic obstructive pulmonary disease (COPD) disproportionately affects resource-limited settings such as sub-Saharan Africa (SSA), but population-based prevalence estimates in SSA are rare. We aimed to estimate the population prevalence of COPD and chronic respiratory symptoms in rural southwestern Uganda. Methods Adults at least 18 years of age who participated in a population-wide census in rural southwestern Uganda completed respiratory questionnaires and lung function testing with bronchodilator challenge at health screening events in June 2015. We defined COPD as post-bronchodilator forced expiratory volume in one second to forced vital capacity ratio less than the lower limit of normal. We fit multivariable linear and log binomial regression models to estimate correlates of abnormal lung function and respiratory symptoms, respectively. We included inverse probability of sampling weights in models to facilitate population-level estimates. Results Forty-six percent of census participants (843/1814) completed respiratory questionnaires and spirometry, of which 565 (67%) met acceptability standards. COPD and respiratory symptom population prevalence were 2% (95% confidence interval (CI) = 1%-3%) and 30% (95% CI = 25%-36%), respectively. Respiratory symptoms were more prevalent and lung function was lower among women and ever-smokers (P < 0.05). HIV serostatus was associated with neither respiratory symptoms nor lung function. Conclusions COPD population prevalence was low despite prevalent respiratory symptoms. This work adds to the growing body of literature depicting lower-than-expected COPD prevalence estimates in SSA and raises questions about whether the high respiratory symptom burden in rural southwestern Uganda represents underlying structural lung disease not identified by screening spirometry.
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Affiliation(s)
- Crystal M North
- Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA.,Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | | | | | | | | | | | - David C Christiani
- Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA.,Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Alexander C Tsai
- Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA.,Mbarara University of Science and Technology, Mbarara, Uganda
| | - Mark J Siedner
- Massachusetts General Hospital, Boston, Massachusetts, USA.,Harvard Medical School, Boston, Massachusetts, USA.,Mbarara University of Science and Technology, Mbarara, Uganda
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Varkila MRJ, Vos AG, Barth RE, Tempelman HA, Devillé WLJ, Coutinho RA, Grobbee DE, Klipstein-Grobusch K. The association between HIV infection and pulmonary function in a rural African population. PLoS One 2019; 14:e0210573. [PMID: 30645622 PMCID: PMC6333365 DOI: 10.1371/journal.pone.0210573] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 12/26/2018] [Indexed: 12/13/2022] Open
Abstract
Objectives HIV infection has been associated with an impaired lung function in high-income countries, but the association between HIV infection and pulmonary function in Sub-Saharan Africa remains unclear. This study aims to investigate the relation between HIV infection and pulmonary function in a rural African population. Methods A cross-sectional study was conducted among HIV-positive and HIV-negative adults in a rural area in South Africa, as part of the Ndlovu Cohort Study. A respiratory questionnaire and post-bronchodilator spirometry were performed. Multivariable regression analysis was used to investigate whether HIV was independently associated with a decrease in post-bronchodilator FEV1/FVC ratio considering age, sex, body mass index, respiratory risk factors and a history of a pulmonary infection (tuberculosis (TB) or a pneumonia). Possible mediation by a history of pulmonary infection was tested by removing this variable from the final model. Results Two hundred and one consecutive participants were enrolled in the study in 2016, 84 (41.8%) were HIV-positive (82.1% on ART). The median age was 38 (IQR 29–51) years. Following multivariable analysis HIV was not significantly associated to a decline in post-bronchodilator FEV1/FVC ratio (β -0.017, p 0.18). However, upon removal of a history of a pulmonary infection from the final model HIV was significantly related to post-bronchodilator FEV1/FVC ratio, β -0.026, p 0.03. Conclusions Pulmonary function is affected by HIV infection which most likely results from co-infection with TB or other pneumonia. Further research should focus on the influence of a pulmonary infection, most notably TB, on pulmonary function, especially as the incidence of TB is high in HIV infection.
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Affiliation(s)
- Meri R. J. Varkila
- Julius Global Health, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Alinda G. Vos
- Julius Global Health, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
- Department of Internal Medicine & Infectious Diseases, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
- Wits Reproductive Health and HIV Institute, Faculty of Health Sciences, University of the Witwatersrand Johannesburg, Johannesburg, South Africa
- * E-mail:
| | - Roos E. Barth
- Department of Internal Medicine & Infectious Diseases, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | | | - Walter L. J. Devillé
- Julius Global Health, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
- Ndlovu Care Group, Groblersdal, South Africa
| | - Roel A. Coutinho
- Julius Global Health, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
| | - Diederick E. Grobbee
- Julius Global Health, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
- Julius Clinical Research, Academic Contract Research Organization, Zeist, the Netherlands
| | - Kerstin Klipstein-Grobusch
- Julius Global Health, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
- Division of Epidemiology and Biostatistics, School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
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Verboeket SO, Wit FW, Kirk GD, Drummond MB, van Steenwijk RP, van Zoest RA, Nellen JF, Schim van der Loeff MF, Reiss P, Reiss P, Wit FWNM, van der Valk M, Schouten J, Kooij KW, van Zoest RA, Verheij E, Verboeket SO, Elsenga BC, Prins M, van der Loeff MFS, del Grande L, Olthof V, Dijkstra M, Zaheri S, Hillebregt MMJ, Ruijs YMC, Benschop DP, el Berkaoui A, Kootstra NA, Harskamp-Holwerda AM, Maurer I, Mangas Ruiz MM, Girigorie AF, Boeser-Nunnink B, Zikkenheiner W, Janssen FR, Geerlings SE, Goorhuis A, Hovius JWR, Nellen FJB, van der Poll T, Prins JM, Reiss P, van der Valk M, Wiersinga WJ, van Vugt M, de Bree G, van Eden J, van Hes AMH, Pijnappel FJJ, Weijsenfeld A, Smalhout S, van Duinen M, Hazenberg A, Postema PG, Bisschop PHLT, Serlie MJM, Lips P, Dekker E, van der Velde N, Willemsen JMR, Vogt L, Schouten J, Portegies P, Schmand BA, Geurtsen GJ, Verbraak FD, Demirkaya N, Visser I, Schadé A, Nieuwkerk PT, Langebeek N, van Steenwijk RP, Dijkers E, Majoie CBLM, Caan MWA, van Lunsen HW, Nievaard MAF, van den Born BJH, Stroes ESG, Mulder WMC, van Oorspronk S. Reduced Forced Vital Capacity Among Human Immunodeficiency Virus-Infected Middle-Aged Individuals. J Infect Dis 2018; 219:1274-1284. [DOI: 10.1093/infdis/jiy653] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 11/08/2018] [Indexed: 02/01/2023] Open
Affiliation(s)
- Sebastiaan O Verboeket
- Amsterdam UMC, University of Amsterdam, Departments of Global Health and Internal Medicine, Amsterdam Infection and Immunity Institute and Amsterdam Public Health Research Institute, Amsterdam, The Netherlands
- Amsterdam Institute for Global Health and Development, Amsterdam, The Netherlands
| | - Ferdinand W Wit
- Amsterdam UMC, University of Amsterdam, Departments of Global Health and Internal Medicine, Amsterdam Infection and Immunity Institute and Amsterdam Public Health Research Institute, Amsterdam, The Netherlands
- Amsterdam Institute for Global Health and Development, Amsterdam, The Netherlands
- HIV Monitoring Foundation, Amsterdam, The Netherlands
| | - Greg D Kirk
- Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland
| | - M Bradley Drummond
- Division of Pulmonary and Critical Care Medicine, University of North Carolina, Chapel Hill
| | | | - Rosan A van Zoest
- Amsterdam UMC, University of Amsterdam, Departments of Global Health and Internal Medicine, Amsterdam Infection and Immunity Institute and Amsterdam Public Health Research Institute, Amsterdam, The Netherlands
- Amsterdam Institute for Global Health and Development, Amsterdam, The Netherlands
| | - Jeannine F Nellen
- Amsterdam UMC, University of Amsterdam, Departments of Global Health and Internal Medicine, Amsterdam Infection and Immunity Institute and Amsterdam Public Health Research Institute, Amsterdam, The Netherlands
| | - Maarten F Schim van der Loeff
- Amsterdam UMC, University of Amsterdam, Departments of Global Health and Internal Medicine, Amsterdam Infection and Immunity Institute and Amsterdam Public Health Research Institute, Amsterdam, The Netherlands
- Department of Infectious Diseases, Public Health Service of Amsterdam, The Netherlands
| | - Peter Reiss
- Amsterdam UMC, University of Amsterdam, Departments of Global Health and Internal Medicine, Amsterdam Infection and Immunity Institute and Amsterdam Public Health Research Institute, Amsterdam, The Netherlands
- Amsterdam Institute for Global Health and Development, Amsterdam, The Netherlands
- HIV Monitoring Foundation, Amsterdam, The Netherlands
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Adolescent age is an independent risk factor for abnormal spirometry among people living with HIV in Kenya. AIDS 2018; 32:1353-1359. [PMID: 29794491 DOI: 10.1097/qad.0000000000001815] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
OBJECTIVES As life expectancy of people living with HIV (PLWH) improves in low-income and middle-income countries (LMICs), the spectrum of HIV-related pulmonary complications may reflect a greater burden of chronic lung diseases as in high-income countries. We determined whether the risk of abnormal spirometry was greater among adolescent compared with adult PLWH at the Coptic Hope Center for Infectious Diseases in Nairobi, Kenya, and evaluated the role of other cofactors for abnormal spirometry. DESIGN We prospectively enrolled adolescent and adult PLWH for this cross-sectional study. METHODS Data collection included standardized questionnaires, clinical assessment, and prebronchodilator and postbronchodilator spirometry. Adolescents additionally underwent noncontrast chest computed tomography. Multivariable logistic regression determined associations of adolescent age with abnormal spirometry, adjusting for cofactors. RESULTS Of 427 PLWH, 21 (40%) adolescents and 64 (17%) adults had abnormal spirometry. Among adolescents, 80% had abnormal chest CTs, and 79% had at least one respiratory symptom. Adolescent age (adjusted odds ratio 3.22; 95% confidence interval 1.48-6.98) was independently associated with abnormal spirometry, adjusting for recent CD4, HIV clinical stage, low BMI, indoor kerosene use, smoking pack-years, and prior pulmonary tuberculosis. Additional important cofactors for abnormal spirometry included prior pulmonary tuberculosis (3.15; 1.70-5.58), kerosene use (1.77; 1.04-3.04) and smoking pack-years (1.05; 1.00-1.10). Adolescent age, prior pulmonary tuberculosis, and smoking pack-years were significantly associated with airflow limitation. CONCLUSION Adolescent age was independently associated with increased risk of abnormal spirometry, particularly airflow limitation. Studies to improve prevention, detection, and management of chronic lung disease across the lifespan among PLWH are needed in LMICs.
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North CM, Allen JG, Okello S, Sentongo R, Kakuhikire B, Ryan ET, Tsai AC, Christiani DC, Siedner MJ. HIV Infection, Pulmonary Tuberculosis, and COPD in Rural Uganda: A Cross-Sectional Study. Lung 2018; 196:49-57. [PMID: 29260309 PMCID: PMC6261662 DOI: 10.1007/s00408-017-0080-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 12/15/2017] [Indexed: 10/18/2022]
Abstract
PURPOSE HIV is associated with chronic obstructive pulmonary disease (COPD) in high resource settings. Similar relationships are less understood in low resource settings. We aimed to estimate the association between HIV infection, tuberculosis, and COPD in rural Uganda. METHODS The Uganda Non-communicable Diseases and Aging Cohort study observes people 40 years and older living with HIV (PLWH) on antiretroviral therapy, and population-based HIV-uninfected controls in rural Uganda. Participants completed respiratory questionnaires and post-bronchodilator spirometry. RESULTS Among 269 participants with spirometry, median age was 52 (IQR 48-55), 48% (n = 130) were ever-smokers, and few (3%, n = 9) reported a history of COPD or asthma. All participants with prior tuberculosis (7%, n = 18) were PLWH. Among 143 (53%) PLWH, median CD4 count was 477 cells/mm3 and 131 (92%) were virologically suppressed. FEV1 was lower among older individuals (- 0.5%pred/year, 95% CI 0.2-0.8, p < 0.01) and those with a history of tuberculosis (- 14.4%pred, 95% CI - 23.5 to - 5.3, p < 0.01). COPD was diagnosed in 9 (4%) participants, eight of whom (89%) were PLWH, six of whom (67%) had a history of tuberculosis, and all of whom (100%) were men. Among 287 participants with complete symptom questionnaires, respiratory symptoms were more likely among women (AOR 3.9, 95% CI 2.0-7.7, p < 0.001) and those in homes cooking with charcoal (AOR 3.2, 95% CI 1.4-7.4, p = 0.008). CONCLUSION In rural Uganda, COPD may be more prevalent among PLWH, men, and those with prior tuberculosis. Future research is needed to confirm these findings and evaluate their broader impacts on health.
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Affiliation(s)
- Crystal M North
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, 55 Fruit Street, BUL-148, Boston, MA, 02114, USA.
- Harvard Medical School, Boston, MA, USA.
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
| | - Joseph G Allen
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Samson Okello
- Mbarara University of Science and Technology, Mbarara, Uganda
| | - Ruth Sentongo
- Mbarara University of Science and Technology, Mbarara, Uganda
| | | | - Edward T Ryan
- Harvard Medical School, Boston, MA, USA
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA, USA
- Department of Immunology and Infectious Diseases, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Alexander C Tsai
- Harvard Medical School, Boston, MA, USA
- Chester M. Pierce, MD Division of Global Psychiatry, Massachusetts General Hospital, Boston, MA, USA
| | - David C Christiani
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, 55 Fruit Street, BUL-148, Boston, MA, 02114, USA
- Harvard Medical School, Boston, MA, USA
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Mark J Siedner
- Harvard Medical School, Boston, MA, USA
- Mbarara University of Science and Technology, Mbarara, Uganda
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA, USA
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Abstract
: HIV in the antiretroviral therapy era is characterized by multimorbidity and the frequent occurrence of HIV-associated non-AIDS chronic health conditions. Respiratory symptoms and chronic pulmonary diseases, including chronic obstructive pulmonary disease, asthma, and cardiopulmonary dysfunction, are among the conditions that may present in persons living with HIV. Tobacco smoking, which is disproportionately high among persons living HIV, strongly contributes to the risk of pulmonary disease. Additionally, features associated with and at times unique to HIV, including persistent inflammation, immune cell activation, oxidative stress, and dysbiosis, may also contribute. This review summarizes the available literature regarding epidemiology of and risk factors for respiratory symptoms and chronic pulmonary disease in the current era.
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Abstract
Pulmonary complications remain among the most frequent causes of morbidity and mortality for individuals with HIV despite the advent of antiretroviral therapy (ART) and improvement in its efficacy and availability. The prevalence of non-infectious pulmonary diseases is rising in this population, reflecting both an increase in smoking and the independent risk associated with HIV. The unique mechanisms of pulmonary disease in these patients remain poorly understood, and direct effects of HIV, genetic predisposition, inflammatory pathways, and co-infections have all been implicated. Lung cancer, chronic obstructive pulmonary disease (COPD), and pulmonary hypertension are the most prevalent non-infectious pulmonary diseases in persons with HIV, and the risk of each of these diseases is higher among HIV-infected (HIV+) persons than in the general population. This review discusses the latest advances in the literature on these important complications of HIV infection.
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Affiliation(s)
- M Triplette
- Division of Pulmonary and Critical Care, Department of Medicine, University of Washington, Seattle, WA, USA.
| | - K Crothers
- Division of Pulmonary and Critical Care, Department of Medicine, University of Washington, Seattle, WA, USA
| | - E F Attia
- Division of Pulmonary and Critical Care, Department of Medicine, University of Washington, Seattle, WA, USA
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Bigna JJ, Kenne AM, Asangbeh SL, Sibetcheu AT. Prevalence of chronic obstructive pulmonary disease in the global population with HIV: a systematic review and meta-analysis. LANCET GLOBAL HEALTH 2017; 6:e193-e202. [PMID: 29254748 DOI: 10.1016/s2214-109x(17)30451-5] [Citation(s) in RCA: 106] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 10/30/2017] [Accepted: 11/06/2017] [Indexed: 12/14/2022]
Abstract
BACKGROUND In recent years, the concept has been raised that people with HIV are at risk of developing chronic obstructive pulmonary disease (COPD) because of HIV infection. However, much remains to be understood about the relationship between COPD and HIV infection. We aimed to investigate this association by assessing studies that reported the prevalence of COPD in the global population with HIV. METHODS In this systematic review and meta-analysis, we assessed observational studies of COPD in people with HIV. We searched PubMed, Embase, Web of Science, and Global Index Medicus, with no language restriction, to identify articles published until June 21, 2017, and we searched the reference lists of the retrieved articles. Eligible studies reported the prevalence of COPD or had enough data to compute these estimates. We excluded studies in subgroups of participants selected on the basis of the presence of COPD; studies that were limited to other specific groups or populations, such as people with other chronic respiratory diseases; and case series, letters, reviews, commentaries, editorials, and studies without primary data or an explicit description of methods. The main outcome assessed was prevalence of COPD. Each study was independently reviewed for methodological quality. We used a random-effects model to pool individual studies and assessed heterogeneity (I2) using the χ2 test on Cochrane's Q statistic. This study is registered with PROSPERO, number CRD42016052639. FINDINGS Of 4036 studies identified, we included 30 studies (151 686 participants) from all WHO regions in the meta-analysis of COPD prevalence. 23 studies (77%) had low risk of bias, six (20%) had moderate risk of bias, and one (3%) had high risk of bias in their methodological quality. The overall prevalence of COPD was 10·5% (95% CI 6·2-15·7; I2=97·2%; six studies) according to the lower limit of normal definition of COPD, and 10·6% (6·9-15·0; 94·7%; 16 studies) according to the fixed-ratio definition. COPD prevalence was higher in Europe and among current and ever smokers, and increased with level of income and proportion of participants with detectable HIV viral load. Prevalence of COPD was significantly higher in patients with HIV than in HIV-negative controls (pooled odds ratio 1·14, 95% CI 1·05-1·25, I2=63·5%; 11 studies), even after adjustment for tobacco consumption (2·58, 1·05-6·35, 74·9%; four studies). INTERPRETATION Our findings suggest a high prevalence of COPD in the global population with HIV, and an association with HIV. As such, COPD deserves more attention from HIV health-care providers, researchers, policy makers, and stakeholders for improved detection, overall proper management, and efficient control of COPD in people with HIV. Efforts to address this burden should focus on promoting the decrease of tobacco consumption and adherence to highly active antiretroviral therapy to reduce viral load. FUNDING None.
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Affiliation(s)
- Jean Joel Bigna
- Department of Epidemiology and Public Health, Centre Pasteur of Cameroon, International Network of Pasteur Institutes, Yaoundé, Cameroon.
| | - Angeladine Malaha Kenne
- Department of Epidemiology and Public Health, Centre Pasteur of Cameroon, International Network of Pasteur Institutes, Yaoundé, Cameroon
| | - Serra Lem Asangbeh
- Department of Clinical Research, the French Research Agency on HIV/AIDS and Hepatitis, Yaoundé, Cameroon
| | - Aurelie T Sibetcheu
- Department of Pediatrics, Faculty of Medicine and Biomedical Sciences, University of Yaoundé 1, Yaoundé, Cameroon
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Risso K, Guillouet-de-Salvador F, Valerio L, Puglièse P, Naqvi A, Durant J, Demonchy E, Perbost I, Cua E, Marquette CH, Roger PM. COPD in HIV-Infected Patients: CD4 Cell Count Highly Correlated. PLoS One 2017; 12:e0169359. [PMID: 28056048 PMCID: PMC5215875 DOI: 10.1371/journal.pone.0169359] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Accepted: 12/15/2016] [Indexed: 12/31/2022] Open
Abstract
Background COPD is a frequent and significant cause of respiratory morbidity in HIV-infected patients despite the control of HIV. We aimed to analyze the factors correlated with COPD in this population to evaluate the existence of specific indicators of vulnerability in this population. Methods and Findings 623 HIV-infected outpatients were enrolled during one year. This population was characterised by a dedicated questionnaire and electronic patient records. COPD screening was performed according to recommended spirometric criteria. The prevalence of COPD was 9.0%. Age and smoking were independently correlated with COPD (OR, 1.61 per 10 years increase, P = 0.007; OR, 1.28 per 10 pack-year increase, P = 0.003, respectively). Body mass index (BMI) and CD4 cell-count were independently and negatively correlated with COPD (OR, 0.78, P < 0.001; 0R, 0.77 per 100 cell/mm3 increase, P < 0.001, respectively). Among COPD patients, 77% did not know their diagnosis. Five COPD-patients never smoked and 44.2% did not have any respiratory symptoms and so were not eligible to perform a spirometry according to the guidelines. Conclusions In addition to known risk factors, immune defect through CD4 cell count was independently and strongly correlated with COPD. COPD is largely underdiagnosed and thus unmanaged. However, early management and urgent smoking cessation are essential to improve prognosis. Clinicians’ awareness on the particular vulnerability for COPD in HIV-infected patients is crucial. Moreover, indications to perform conventional spirometry to diagnose COPD may include more parameters than tobacco-smoking and respiratory complaints with a particular concern toward patients with a profound CD4 cell count defect.
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Affiliation(s)
- Karine Risso
- Service d’Infectiologie, Centre Hospitalier Universitaire de Nice, Nice, France
- Université de Nice-Sophia-Antipolis, Nice, France
- * E-mail:
| | | | - Laure Valerio
- Département d’Informations Médicales, Centre Hospitalier de la Dracénie, Draguignan, France
| | - Pascal Puglièse
- Service d’Infectiologie, Centre Hospitalier Universitaire de Nice, Nice, France
| | - Alissa Naqvi
- Service d’Infectiologie, Centre Hospitalier Universitaire de Nice, Nice, France
| | - Jacques Durant
- Service d’Infectiologie, Centre Hospitalier Universitaire de Nice, Nice, France
| | - Elisa Demonchy
- Service d’Infectiologie, Centre Hospitalier Universitaire de Nice, Nice, France
- Université de Nice-Sophia-Antipolis, Nice, France
| | - Isabelle Perbost
- Service d’Infectiologie, Centre Hospitalier Universitaire de Nice, Nice, France
| | - Eric Cua
- Service d’Infectiologie, Centre Hospitalier Universitaire de Nice, Nice, France
| | - Charles-Hugo Marquette
- Université de Nice-Sophia-Antipolis, Nice, France
- Service de Pneumologie, Centre Hospitalier Universitaire de Nice, Nice, France
| | - Pierre-Marie Roger
- Service d’Infectiologie, Centre Hospitalier Universitaire de Nice, Nice, France
- Université de Nice-Sophia-Antipolis, Nice, France
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de Miguel-Díez J, López-de-Andrés A, Jiménez-García R, Puente-Maestu L, Jiménez-Trujillo I, Hernández-Barrera V, Resino S, Álvaro-Meca A. Trends in Epidemiology of COPD in HIV-Infected Patients in Spain (1997-2012). PLoS One 2016; 11:e0166421. [PMID: 27846297 PMCID: PMC5112896 DOI: 10.1371/journal.pone.0166421] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Accepted: 10/30/2016] [Indexed: 02/02/2023] Open
Abstract
Purpose The aim of this study was to estimate trends of incidence of hospital admissions and in-hospital mortality (IHM) in HIV-infected patients with COPD in the combination antiretroviral therapy (cART) era in Spain (1997–2012). Methods A retrospective study with data from nationwide population-based COPD diagnoses in the Spanish Minimum Basic Data Set (MBDS) was performed. We established groups according to their HIV and HCV infections: 1) HIV-uninfected patients; 2) HIV-infected patients (with or without HCV coinfection). Results 1,580,207 patients discharge with a COPD diagnosis were included in the study, 8902 of them were HIV-infected patients (5000 HIV-monoinfected patients and 3902 HIV/HCV-coinfected patients). The HIV-infected patients had higher incidence rates of hospital admissions for COPD than the HIV-uninfected patients during the study period. The HIV-monoinfected patients had higher rates of hospitalizations for COPD than the HIV/HCV-coinfected patients in the early-period cART (1997–1999), but these rates decreased in the first group and increased in the second, being even similar in both groups in the late-period cART (2004–2011). On the other hand, the HIV-infected patients with COPD had higher IHM than the HIV-uninfected patients with COPD. The mortality rates were higher in the HIV-monoinfected patients with COPD than in the HIV/HCV-coinfected patients with COPD in the early-period cART; however, in the late-period cART, the mortality rates trends seems higher in the HIV/HCV group. The likelihood of death in HIV/HCV-coinfected patients with COPD was similar to than in HIV-monoinfected patients with COPD. Conclusions Incidence of hospital admissions for COPD and IHM have decreased among HIV-monoinfected individuals but have increased steadily among HIV/HCV-coinfected individuals in the cART era.
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Affiliation(s)
- Javier de Miguel-Díez
- Pneumology Department, Hospital General Universitario Gregorio Marañón, Facultad de Medicina, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain
- * E-mail:
| | - Ana López-de-Andrés
- Preventive Medicine and Public Health Teaching and Research Unit, Department of Health Sciences, Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain
| | - Rodrigo Jiménez-García
- Preventive Medicine and Public Health Teaching and Research Unit, Department of Health Sciences, Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain
| | - Luis Puente-Maestu
- Pneumology Department, Hospital General Universitario Gregorio Marañón, Facultad de Medicina, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain
| | - Isabel Jiménez-Trujillo
- Preventive Medicine and Public Health Teaching and Research Unit, Department of Health Sciences, Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain
| | - Valentín Hernández-Barrera
- Preventive Medicine and Public Health Teaching and Research Unit, Department of Health Sciences, Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain
| | - Salvador Resino
- National Centre of Microbiology, Instituto de Salud Carlos III, Majadahonda, Madrid, Spain
| | - Alejandro Álvaro-Meca
- Preventive Medicine and Public Health Teaching and Research Unit, Department of Health Sciences, Universidad Rey Juan Carlos, Alcorcón, Madrid, Spain
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Drummond MB, Kunisaki KM, Huang L. Obstructive Lung Diseases in HIV: A Clinical Review and Identification of Key Future Research Needs. Semin Respir Crit Care Med 2016; 37:277-88. [PMID: 26974304 DOI: 10.1055/s-0036-1578801] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
HIV infection has shifted from what was once a disease directly impacting short-term mortality to what is now a chronic illness controllable in the era of effective combination antiretroviral therapy (ART). In this setting, life expectancy for HIV-infected individual is nearly comparable to that of individuals without HIV. Subsequent to this increase in life expectancy, there has been recognition of increased multimorbidity among HIV-infected persons, with prevalence of comorbid chronic illnesses now approaching 65%. Obstructive lung diseases, including chronic obstructive pulmonary disease (COPD) and asthma, are prevalent conditions associated with substantial morbidity and mortality in the United States. There is overlap in risk factors for HIV acquisition and chronic lung diseases, including lower socioeconomic status and the use of tobacco and illicit drugs. Objectives of this review are to (1) summarize the current state of knowledge regarding COPD and asthma among HIV-infected persons, (2) highlight implications for clinicians caring for patients with these combined comorbidities, and (3) identify key research initiatives to reduce the burden of obstructive lung diseases among HIV-infected persons.
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Affiliation(s)
- M Bradley Drummond
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Ken M Kunisaki
- Section of Pulmonary, Critical Care, and Sleep Medicine, Minneapolis VA Health Care System, Minneapolis, Minnesota
| | - Laurence Huang
- Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital, University of California San Francisco, San Francisco, California
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