References
- Global Initiative for Chronic Obstructive Lung Disease. Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease. 2020. Available from: https://goldcopd.org/.
- O'Donnell DE, Revill SM, Webb KA. Dynamic hyperinflation and exercise intolerance in chronic obstructive pulmonary disease. Am J Respir Crit Care Med. 2001 Sep 1;164(5):770–777.
- Hogg JC, Chu F, Utokaparch S, et al. The nature of small-airway obstruction in chronic obstructive pulmonary disease. N Engl J Med. 2004 Jun 24; 350(26):2645–2653.
- Koulouris NG, Hardavella G. Physiological techniques for detecting expiratory flow limitation during tidal breathing. Eur Respir Rev. 2011 Sep 1; 20(121):147–155. 55. DOI:10.1183/09059180.00001911
- Cote CG, Casanova C, Marin JM, et al. Validation and comparison of reference equations for the 6-min walk distance test. Eur Respir J. 2008 Mar; 31(3):571–578.
- Singh SJ, Puhan MA, Andrianopoulos V, et al. An official systematic review of the European Respiratory Society/American Thoracic Society: measurement properties of field walking tests in chronic respiratory disease. Eur Respir J. 2014;44(6):1447–1478. DOI:10.1183/09031936.00150414
- Rambod M, Porszasz J, Make BJ, et al. Six-minute walk distance predictors, including CT scan measures, in the COPDGene cohort. Chest. 2012 Apr; 141(4):867–875.
- Bell M, Fotheringham I, Punekar YS, et al. Systematic review of the association between laboratory- and field-based exercise tests and lung function in patients with chronic obstructive pulmonary disease. Chronic Obstr Pulm Dis. 2015 Jul 8; 2(4):321–342. DOI:10.15326/jcopdf.2.4.2014.0157
- King GG, Bates J, Berger KI, et al. Technical standards for respiratory oscillometry. Eur Respir J. 2020;55(2):1900753. Nov 26.
- Shirai T, Kurosawa H. Clinical application of the forced oscillation technique. Intern Med. 2016;55(6):559–566. DOI:10.2169/internalmedicine.55.5876
- Mikamo M, Shirai T, Mori K, et al. Predictors of expiratory flow limitation measured by forced oscillation technique in COPD. BMC Pulm Med. 2014 Feb 19; 14:23. DOI:10.1186/1471-2466-14-23
- Dellaca RL, Santus P, Aliverti A, et al. Detection of expiratory flow limitation in COPD using the forced oscillation technique. Eur Respir J. 2004 Feb; 23(2):232–240. DOI:10.1183/09031936.04.00046804
- Zimmermann SC, Thamrin C, Chan AS, et al. Relationships between forced oscillatory impedance and 6-minute walk distance after pulmonary rehabilitation in COPD. Int J Chron Obstruct Pulmon Dis. 2020;15:157–166. DOI:10.2147/COPD.S225543
- Bestall JC, Paul EA, Garrod R, et al. Usefulness of the Medical Research Council (MRC) dyspnoea scale as a measure of disability in patients with chronic obstructive pulmonary disease. Thorax. 1999 Jul; 54(7):581–586. DOI:10.1136/thx.54.7.581
- Jones PW, Harding G, Berry P, et al. Development and first validation of the COPD Assessment Test. Eur Respir J. 2009 Sep; 34(3):648–654.
- Oostveen E, MacLeod D, Lorino H, et al. The forced oscillation technique in clinical practice: methodology, recommendations and future developments. Eur Respir J. 2003;22(6):1026–1041. DecDOI:10.1183/09031936.03.00089403
- Kubota M, Shirai G, Nakamori T, et al. Low frequency oscillometry parameters in COPD patients are less variable during inspiration than during expiration. Respir Physiol Neurobiol. 2009; 2009/04/30/166(2):73–79. DOI:10.1016/j.resp.2009.01.007
- Miller MR, Hankinson J, Brusasco V, et al. Standardisation of spirometry. Eur Respir J. 2005;26(2):319–338. DOI:10.1183/09031936.05.00034805
- Japanese Respiratory Society. Guideline of respiratory function tests–spirometry, flow-volume curve, diffusion capacity of the lung. Nihon Kokyuki Gakkai Zasshi. 2004:1–56.
- Holland AE, Spruit MA, Troosters T, et al. An official European Respiratory Society/American Thoracic Society technical standard: field walking tests in chronic respiratory disease. Eur Respir J. 2014 Dec; 44(6):1428–1446. DOI:10.1183/09031936.00150314
- Kanda Y. Investigation of the freely available easy-to-use software 'EZR' for medical statistics. Bone Marrow Transplant. 2013 Mar; 48(3):452–458. DOI:10.1038/bmt.2012.244
- Spruit MA, Watkins ML, Edwards LD, et al. Determinants of poor 6-min walking distance in patients with COPD: the ECLIPSE cohort. Respir Med. 2010 Jun; 104(6):849–857.
- Perez T, Deslee G, Burgel PR, et al. Predictors in routine practice of 6-min walking distance and oxygen desaturation in patients with COPD: impact of comorbidities. COPD. 2019;14:1399–1410.
- Zeng GS, Chen LC, Fan HZ, et al. The relationship between steps of 6MWT and COPD severity: a cross-sectional study. COPD. 2018;14:141–148.
- Mori K, Shirai T, Mikamo M, et al. Colored 3-dimensional analyses of respiratory resistance and reactance in COPD and asthma. COPD. 2011 Dec; 8(6):456–463. DOI:10.3109/15412555.2011.626818
- Kanda S, Fujimoto K, Komatsu Y, et al. Evaluation of respiratory impedance in asthma and COPD by an impulse oscillation system. Intern Med. 2010;49(1):23–30. DOI:10.2169/internalmedicine.49.2191
- Karayama M, Inui N, Mori K, et al. Respiratory impedance is correlated with morphological changes in the lungs on three-dimensional CT in patients with COPD. Sci Rep. 2017 Feb 08; 7:41709.
- Friedman SM, Maslow CB, Reibman J, et al. Case-control study of lung function in World Trade Center Health Registry area residents and workers. Am J Respir Crit Care Med. 2011 Sep 1; 184(5):582–589.
- Ohishi J, Kurosawa H, Ogawa H, et al. Application of impulse oscillometry for within-breath analysis in patients with chronic obstructive pulmonary disease: pilot study. BMJ Open. 2011 Jan 1; 1(2):e000184. DOI:10.1136/bmjopen-2011-000184
- Dellaca RL, Pompilio PP, Walker PP, et al. Effect of bronchodilation on expiratory flow limitation and resting lung mechanics in COPD. Eur Respir J. 2009 Jun; 33(6):1329–1337.
- Di Mango AM, Lopes AJ, Jansen JM, et al. Changes in respiratory mechanics with increasing degrees of airway obstruction in COPD: detection by forced oscillation technique. Respir Med. 2006 Mar; 100(3):399–410.
- Punekar YS, Riley JH, Lloyd E, et al. Systematic review of the association between exercise tests and patient-reported outcomes in patients with chronic obstructive pulmonary disease. Int J Chron Obstruct Pulmon Dis. 2017;12:2487–2506. DOI:10.2147/COPD.S100204
- Oga T, Nishimura K, Tsukino M, et al. Relationship between different indices of exercise capacity and clinical measures in patients with chronic obstructive pulmonary disease. Heart Lung. 2002;31(5):374–381. DOI:10.1067/mhl.2002.127941
- Brown CD, Benditt JO, Sciurba FC, et al. Exercise testing in severe emphysema: association with quality of life and lung function. COPD: J Chron Obs Pulm Dis. 2008;5(2):117–124.
- Kerti M, Balogh Z, Kelemen K, et al. The relationship between exercise capacity and different functional markers in pulmonary rehabilitation for COPD. COPD. 2018;13:717–724.
- Tatsumi K, Kasahara Y, Kurosu K, et al. Clinical phenotypes of COPD: results of a Japanese epidemiological survey. Respirology. 2004;9(3):331–336. Aug