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Sharma M, Nduba V, Njagi LN, Murithi W, Mwongera Z, Hawn TR, Patel SN, Horne DJ. TBscreen: A passive cough classifier for tuberculosis screening with a controlled dataset. SCIENCE ADVANCES 2024; 10:eadi0282. [PMID: 38170773 PMCID: PMC10776005 DOI: 10.1126/sciadv.adi0282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 12/01/2023] [Indexed: 01/05/2024]
Abstract
Recent respiratory disease screening studies suggest promising performance of cough classifiers, but potential biases in model training and dataset quality preclude robust conclusions. To examine tuberculosis (TB) cough diagnostic features, we enrolled subjects with pulmonary TB (N = 149) and controls with other respiratory illnesses (N = 46) in Nairobi. We collected a dataset with 33,000 passive coughs and 1600 forced coughs in a controlled setting with similar demographics. We trained a ResNet18-based cough classifier using images of passive cough scalogram as input and obtained a fivefold cross-validation sensitivity of 0.70 (±0.11 SD). The smartphone-based model had better performance in subjects with higher bacterial load {receiver operating characteristic-area under the curve (ROC-AUC): 0.87 [95% confidence interval (CI): 0.87 to 0.88], P < 0.001} or lung cavities [ROC-AUC: 0.89 (95% CI: 0.88 to 0.89), P < 0.001]. Overall, our data suggest that passive cough features distinguish TB from non-TB subjects and are associated with bacterial burden and disease severity.
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Affiliation(s)
- Manuja Sharma
- Department of Electrical and Computer Engineering, University of Washington, 185 E Stevens Way NE, Seattle, WA 98195, USA
| | - Videlis Nduba
- Centre for Respiratory Diseases Research, Kenya Medical Research Institute, Mbagathi Rd, Nairobi 610101, Kenya
| | - Lilian N. Njagi
- Centre for Respiratory Diseases Research, Kenya Medical Research Institute, Mbagathi Rd, Nairobi 610101, Kenya
| | - Wilfred Murithi
- Centre for Respiratory Diseases Research, Kenya Medical Research Institute, Mbagathi Rd, Nairobi 610101, Kenya
| | - Zipporah Mwongera
- Centre for Respiratory Diseases Research, Kenya Medical Research Institute, Mbagathi Rd, Nairobi 610101, Kenya
| | - Thomas R. Hawn
- Department of Medicine, University of Washington, 1959 NE Pacific Street, Seattle, WA 98195, USA
| | - Shwetak N. Patel
- Department of Electrical and Computer Engineering, University of Washington, 185 E Stevens Way NE, Seattle, WA 98195, USA
- Paul G. Allen School of Computer Science and Engineering, University of Washington, 185 E Stevens Way NE, Seattle, WA 98195, USA
| | - David J. Horne
- Department of Medicine, University of Washington, 1959 NE Pacific Street, Seattle, WA 98195, USA
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Lee SE, Rudd M, Kim TH, Oh JY, Lee JH, Jover L, Small PM, Chung KF, Song WJ. Feasibility and Utility of a Smartphone Application-Based Longitudinal Cough Monitoring in Chronic Cough Patients in a Real-World Setting. Lung 2023; 201:555-564. [PMID: 37831232 DOI: 10.1007/s00408-023-00647-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 09/28/2023] [Indexed: 10/14/2023]
Abstract
PURPOSE This study evaluated the feasibility and utility of longitudinal cough frequency monitoring with the Hyfe Cough Tracker, a mobile application equipped with cough-counting artificial intelligence algorithms, in real-world patients with chronic cough. METHODS Patients with chronic cough (> 8-week duration) were monitored continuously for cough frequency with the Hyfe app for at least one week. Cough was also evaluated using the Leicester Cough Questionnaire (LCQ) and daily cough severity scoring (0-10). The study analyzed adherence rate, the correlation between objective cough frequency and subjective scores, day-to-day variability, and patient experience. RESULTS Of 65 subjects consecutively recruited, 43 completed the study. The median cough monitoring duration was 13.9 days, with a median adherence of 91%. Study completion was associated with baseline cough severity, and the adherence rate was higher in younger subjects. Cross-sectional correlation analyses showed modest correlations between objective and subjective cough measures at the group level. However, in time series correlation analyses, correlations between objective and subjective measures widely varied across individuals. Cough frequency had greater day-to-day variability than daily cough severity scores in most subjects. A patient experience survey found that 70% of participants found the cough monitoring helpful, 86% considered it acceptable, and 84% felt it was easy to use. CONCLUSION Monitoring cough frequency longitudinally for at least one week may be feasible. The substantial day-to-day variability in objective cough frequency highlights the need for continuous monitoring. Grasping the implications of daily cough variability is crucial in both clinical practice and clinical trials.
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Affiliation(s)
- Seung-Eun Lee
- Department of Internal Medicine, Pusan National University School of Medicine, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Matthew Rudd
- Department of Mathematics and Computer Science, The University of the South, Sewanee, TN, USA
- Hyfe Inc, Wilmington, DE, USA
| | - Tae-Hwa Kim
- Department of Internal Medicine, Pusan National University School of Medicine, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Ji-Yoon Oh
- Department of Allergy and Clinical Immunology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Ji-Hyang Lee
- Department of Allergy and Clinical Immunology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | | | - Peter M Small
- Hyfe Inc, Wilmington, DE, USA
- Department of Global Health, University of Washington, Seattle, WA, USA
| | - Kian Fan Chung
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Woo-Jung Song
- Department of Allergy and Clinical Immunology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
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Reid M, Agbassi YJP, Arinaminpathy N, Bercasio A, Bhargava A, Bhargava M, Bloom A, Cattamanchi A, Chaisson R, Chin D, Churchyard G, Cox H, Denkinger CM, Ditiu L, Dowdy D, Dybul M, Fauci A, Fedaku E, Gidado M, Harrington M, Hauser J, Heitkamp P, Herbert N, Herna Sari A, Hopewell P, Kendall E, Khan A, Kim A, Koek I, Kondratyuk S, Krishnan N, Ku CC, Lessem E, McConnell EV, Nahid P, Oliver M, Pai M, Raviglione M, Ryckman T, Schäferhoff M, Silva S, Small P, Stallworthy G, Temesgen Z, van Weezenbeek K, Vassall A, Velásquez GE, Venkatesan N, Yamey G, Zimmerman A, Jamison D, Swaminathan S, Goosby E. Scientific advances and the end of tuberculosis: a report from the Lancet Commission on Tuberculosis. Lancet 2023; 402:1473-1498. [PMID: 37716363 DOI: 10.1016/s0140-6736(23)01379-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 06/14/2023] [Accepted: 06/29/2023] [Indexed: 09/18/2023]
Affiliation(s)
- Michael Reid
- University of California San Francisco Center for Tuberculosis, University of California San Francisco, San Francisco, CA, USA; Institute for Global Health Sciences, University of California San Francisco, San Francisco, CA, USA.
| | - Yvan Jean Patrick Agbassi
- Global TB Community Advisory Board, Abidjan, Côte d'Ivoire, Yenepoya Medical College, Mangalore, India
| | | | - Alyssa Bercasio
- University of California San Francisco Center for Tuberculosis, University of California San Francisco, San Francisco, CA, USA; Institute for Global Health Sciences, University of California San Francisco, San Francisco, CA, USA
| | - Anurag Bhargava
- Department of General Medicine, Yenepoya Medical College, Mangalore, India
| | - Madhavi Bhargava
- Department of Community Medicine, Yenepoya Medical College, Mangalore, India
| | - Amy Bloom
- Division of Tuberculosis, Bureau of Global Health, USAID, Washington, DC, USA
| | | | - Richard Chaisson
- Johns Hopkins School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Daniel Chin
- Bill and Melinda Gates Foundation, Seattle, WA, USA
| | | | - Helen Cox
- Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Claudia M Denkinger
- Heidelberg University Hospital, German Center of Infection Research, Heidelberg, Germany
| | | | - David Dowdy
- Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Mark Dybul
- Department of Medicine, Center for Global Health Practice and Impact, Georgetown University, Washington, DC, USA
| | - Anthony Fauci
- National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | | | | | | | | | - Petra Heitkamp
- McGill International TB Centre, McGill University, Montreal, QC, Canada
| | - Nick Herbert
- Global TB Caucus, Houses of Parliament, London, UK
| | | | - Philip Hopewell
- University of California San Francisco Center for Tuberculosis, University of California San Francisco, San Francisco, CA, USA
| | - Emily Kendall
- Johns Hopkins School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Aamir Khan
- Interactive Research & Development, Karachi, Pakistan
| | - Andrew Kim
- University of California San Francisco Center for Tuberculosis, University of California San Francisco, San Francisco, CA, USA
| | | | | | - Nalini Krishnan
- Resource Group for Education and Advocacy for Community Health (REACH), Chennai, India
| | - Chu-Chang Ku
- School of Public Health, Faculty of Medicine, Imperial College London, London, UK
| | - Erica Lessem
- Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | | | - Payam Nahid
- University of California San Francisco Center for Tuberculosis, University of California San Francisco, San Francisco, CA, USA
| | | | - Madhukar Pai
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC, Canada; McGill International TB Centre, McGill University, Montreal, QC, Canada
| | - Mario Raviglione
- Centre for Multidisciplinary Research in Health Science, University of Milan, Milan, Italy
| | - Theresa Ryckman
- Johns Hopkins School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | | | - Sachin Silva
- Harvard TH Chan School of Public Health, Harvard University, Cambridge, MA, USA
| | | | | | | | | | - Anna Vassall
- Department of Global Health and Development, Faculty of Public Health and Policy, London School of Hygiene & Tropical Medicine, London, UK
| | - Gustavo E Velásquez
- University of California San Francisco Center for Tuberculosis, University of California San Francisco, San Francisco, CA, USA
| | | | - Gavin Yamey
- Center for Policy Impact in Global Health, Duke Global Health Institute, Duke University, Durham, NC, USA
| | | | - Dean Jamison
- Institute for Global Health Sciences, University of California San Francisco, San Francisco, CA, USA
| | | | - Eric Goosby
- University of California San Francisco Center for Tuberculosis, University of California San Francisco, San Francisco, CA, USA; Institute for Global Health Sciences, University of California San Francisco, San Francisco, CA, USA
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Dohál M, Porvazník I, Solovič I, Mokrý J. Advancing tuberculosis management: the role of predictive, preventive, and personalized medicine. Front Microbiol 2023; 14:1225438. [PMID: 37860132 PMCID: PMC10582268 DOI: 10.3389/fmicb.2023.1225438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 09/22/2023] [Indexed: 10/21/2023] Open
Abstract
Tuberculosis is a major global health issue, with approximately 10 million people falling ill and 1.4 million dying yearly. One of the most significant challenges to public health is the emergence of drug-resistant tuberculosis. For the last half-century, treating tuberculosis has adhered to a uniform management strategy in most patients. However, treatment ineffectiveness in some individuals with pulmonary tuberculosis presents a major challenge to the global tuberculosis control initiative. Unfavorable outcomes of tuberculosis treatment (including mortality, treatment failure, loss of follow-up, and unevaluated cases) may result in increased transmission of tuberculosis and the emergence of drug-resistant strains. Treatment failure may occur due to drug-resistant strains, non-adherence to medication, inadequate absorption of drugs, or low-quality healthcare. Identifying the underlying cause and adjusting the treatment accordingly to address treatment failure is important. This is where approaches such as artificial intelligence, genetic screening, and whole genome sequencing can play a critical role. In this review, we suggest a set of particular clinical applications of these approaches, which might have the potential to influence decisions regarding the clinical management of tuberculosis patients.
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Affiliation(s)
- Matúš Dohál
- Biomedical Centre Martin, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
| | - Igor Porvazník
- National Institute of Tuberculosis, Lung Diseases and Thoracic Surgery, Vyšné Hágy, Slovakia
- Faculty of Health, Catholic University in Ružomberok, Ružomberok, Slovakia
| | - Ivan Solovič
- National Institute of Tuberculosis, Lung Diseases and Thoracic Surgery, Vyšné Hágy, Slovakia
- Faculty of Health, Catholic University in Ružomberok, Ružomberok, Slovakia
| | - Juraj Mokrý
- Department of Pharmacology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin, Slovakia
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