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Díaz AA, Nardelli P, Wang W, San José Estépar R, Yen A, Kligerman S, Maselli DJ, Dolliver WR, Tsao A, Orejas JL, Aliberti S, Aksamit TR, Young KA, Kinney GL, Washko GR, Silverman EK, San José Estépar R. Artificial Intelligence-based CT Assessment of Bronchiectasis: The COPDGene Study. Radiology 2023; 307:e221109. [PMID: 36511808 PMCID: PMC10068886 DOI: 10.1148/radiol.221109] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 09/28/2022] [Accepted: 10/18/2022] [Indexed: 12/15/2022]
Abstract
Background CT is the standard method used to assess bronchiectasis. A higher airway-to-artery diameter ratio (AAR) is typically used to identify enlarged bronchi and bronchiectasis; however, current imaging methods are limited in assessing the extent of this metric in CT scans. Purpose To determine the extent of AARs using an artificial intelligence-based chest CT and assess the association of AARs with exacerbations over time. Materials and Methods In a secondary analysis of ever-smokers from the prospective, observational, multicenter COPDGene study, AARs were quantified using an artificial intelligence tool. The percentage of airways with AAR greater than 1 (a measure of airway dilatation) in each participant on chest CT scans was determined. Pulmonary exacerbations were prospectively determined through biannual follow-up (from July 2009 to September 2021). Multivariable zero-inflated regression models were used to assess the association between the percentage of airways with AAR greater than 1 and the total number of pulmonary exacerbations over follow-up. Covariates included demographics, lung function, and conventional CT parameters. Results Among 4192 participants (median age, 59 years; IQR, 52-67 years; 1878 men [45%]), 1834 had chronic obstructive pulmonary disease (COPD). During a 10-year follow-up and in adjusted models, the percentage of airways with AARs greater than 1 (quartile 4 vs 1) was associated with a higher total number of exacerbations (risk ratio [RR], 1.08; 95% CI: 1.02, 1.15; P = .01). In participants meeting clinical and imaging criteria of bronchiectasis (ie, clinical manifestations with ≥3% of AARs >1) versus those who did not, the RR was 1.37 (95% CI: 1.31, 1.43; P < .001). Among participants with COPD, the corresponding RRs were 1.10 (95% CI: 1.02, 1.18; P = .02) and 1.32 (95% CI: 1.26, 1.39; P < .001), respectively. Conclusion In ever-smokers with chronic obstructive pulmonary disease, artificial intelligence-based CT measures of bronchiectasis were associated with more exacerbations over time. Clinical trial registration no. NCT00608764 © RSNA, 2022 Supplemental material is available for this article. See also the editorial by Schiebler and Seo in this issue.
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Affiliation(s)
- Alejandro A. Díaz
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - Pietro Nardelli
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - Wei Wang
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - Rubén San José Estépar
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - Andrew Yen
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - Seth Kligerman
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - Diego J. Maselli
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - Wojciech R. Dolliver
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - Andrew Tsao
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - José L. Orejas
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - Stefano Aliberti
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - Timothy R. Aksamit
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - Kendra A. Young
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - Gregory L. Kinney
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - George R. Washko
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - Edwin K. Silverman
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
| | - Raúl San José Estépar
- From the Division of Pulmonary and Critical Care Medicine (A.A.D.,
W.R.D., A.T., J.L.O., G.R.W.), Department of Radiology (P.N., Rubén San
José Estépar, Raúl San José Estépar),
Division of Sleep Medicine and Circadian Disorders (W.W.), and Channing Division
of Network Medicine (E.K.S.), Brigham and Women’s Hospital, Harvard
Medical School, 15 Francis St, Boston, MA 02115; Department of Radiology,
University of California–San Diego, San Diego, Calif (A.Y., S.K.);
Division of Pulmonary Diseases and Critical Care, University of Texas–San
Antonio, San Antonio, Tex (D.J.M.); Department of Biomedical Sciences, Humanitas
University, Milan, Italy (S.A.); Respiratory Unit, IRCCS Humanitas Research
Hospital, Milan, Italy (S.A.); Department of Pulmonary Disease and Critical Care
Medicine, Mayo Clinic, Rochester, Minn (T.R.A.); and Department of Epidemiology,
Colorado School of Public Health, University of Colorado, Aurora, Colo (K.A.Y.,
G.L.K.)
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