1. Galiè, N, Humbert, M, Vachiery, JL, et al. 2015 ESC/ERS Guidelines for the diagnosis and treatment of pulmonary hypertension. Eur Resp J. 2015; 46: 903–975.
Google Scholar | Crossref | Medline2. Hoeper, MM, Bogaard, HJ, Condliffe, R, et al. Definitions and diagnosis of pulmonary hypertension. J Am Coll Cardiol 2013; 62: D42–D50.
Google Scholar3. Grünig, E, Eichstaedt, C, Barberà, JA, et al. ERS statement on exercise training and rehabilitation in patients with severe chronic pulmonary hypertension. Eur Respir J 2019; 53: 1800332.
Google Scholar4. Matura, LA, Shou, H, Fritz, JS, et al. Physical activity and symptoms in pulmonary arterial hypertension. Chest 2016; 150: 46–56.
Google Scholar | Crossref | Medline5. Okumus, G, Aslan, GK, Arseven, O, et al. The role of an activity monitor in the objective evaluation of patients with pulmonary hypertension. Clin Respir J 2018; 12: 119–125.
Google Scholar | Crossref | Medline6. Cascino, TM, McLaughlin, VV, Richardson, CR, et al. Barriers to physical activity in patients with pulmonary hypertension. Pulm Circ 2019; 9: 2045894019847895.
Google Scholar7. Chia, KSW, Brown, K, Kotlyar, E, et al. ‘ Tired, afraid, breathless … .’ An international survey of the exercise experience for people living with pulmonary hypertension. Pulm Circ 2020; 10: 2045894020968023.
Google Scholar | SAGE Journals | ISI8. Chia, KSW, Wong, PKK, Gonzalez, S, et al. Attitudes towards exercise among medical specialists who manage patients with pulmonary hypertension. Pulm Circ 2020; 10.
Google Scholar | SAGE Journals9. Hardcastle, SJ, Maxwell-Smith, C, Hagger, MS, et al. Exploration of information and support needs in relation to health concerns, diet and physical activity in colorectal cancer survivors. Eur J Cancer Care (Engl) 2018; 27: e12679.
Google Scholar | Crossref10. Maxwell-Smith, C, Zeps, N, Hagger, MS, et al. Barriers to physical activity participation in colorectal cancer survivors at high risk of cardiovascular disease. Psychooncology 2017; 26: 808–814.
Google Scholar | Crossref | Medline11. Hurley, N, Moyna, NM, Kehoe, B, et al. Factors influencing physical activity in adults with cystic fibrosis. BMC Pulm Med 2021; 21: 1–11.
Google Scholar | Crossref | Medline12. Braun, V, Clarke, V. Using thematic analysis in psychology. Qual Res Psychol 2006; 3: 77–101.
Google Scholar | Crossref13. Braun, V, Clarke, V. What can “thematic analysis” offer health and wellbeing researchers? Int J Qual Stud Health Well-being 2014; 9: 10.3402/qhw.v9.26152.
Google Scholar14. Sandelowski, M. Focus on research methods whatever happened to qualitative description? Res Nurs Health 2000; 23: 334–340.
Google Scholar | Crossref | Medline | ISI15. Boot, CRL, Van Exel, NJA, Van Der Gulden, JWJ. ‘My lung disease won’t go away, it’s there to stay’: profiles of adaptation to functional limitations in workers with asthma and COPD. J Occup Rehabil 2009; 19: 284–292.
Google Scholar | Crossref | Medline16. Leeuw, M, Goossens, MEJB, van Breukelen, GJP, et al. Exposure in vivo versus operant graded activity in chronic low back pain patients: results of a randomized controlled trial. Pain 2008; 138: 192–207.
Google Scholar | Crossref | Medline | ISI17. Lambert MJ. Bergin and Garfield’s Handbook of Psychotherapy and Behavior Change, 5th ed. Hoboken, NJ: Wiley, https://www.wiley.com/en-us/Bergin+and+Garfield%27s+Handbook+of+Psychotherapy+and+Behavior+Change%2C+5th+Edition-p-9780470465493 (accessed 4 June 2021).
Google Scholar18. Carrieri-Kohlman, V, Gormley, JM, Eiser, S, et al. Dyspnea and the affective response during exercise training in obstructive pulmonary disease. Nurs Res 2001; 50: 136–146.
Google Scholar | Crossref | Medline | ISI19. Janssens, T, De Peuter, S, Stans, L, et al. Dyspnea perception in COPD: association between anxiety, dyspnea-related fear, and dyspnea in a pulmonary rehabilitation program. Chest 2011; 140: 618–625.
Google Scholar | Crossref | Medline | ISI20. Brenes, GA. Anxiety and chronic obstructive pulmonary disease: prevalence, impact, and treatment. Psychosomat Med 2003; 65: 963–970.
Google Scholar | Crossref | Medline | ISI21. Tartavoulle, TM, Karpinski, AC, Aubin, A, et al. Multidimensional fatigue in pulmonary hypertension: prevalence, severity and predictors. ERJ Open Res 2018; 4: 00079–02017.
Google Scholar | Crossref | Medline22. Hanel, J, Owen, PJ, Held, S, et al. Effects of exercise training on fear-avoidance in pain and pain-free populations: systematic review and meta-analysis. Sports Med 2020; 50: 2193–2207.
Google Scholar | Crossref | Medline23. Hardcastle, SJ, Maxwell-Smith, C, Zeps, N, et al. A qualitative study exploring health perceptions and factors influencing participation in health behaviors in colorectal cancer survivors. Psychooncology 2017; 26: 199–205.
Google Scholar | Crossref | Medline24. Niederdeppe, J, Levy, AG. Fatalistic beliefs about cancer prevention and three prevention behaviors. Cancer Epidemiol Biomarkers Prev 2007; 16: 998–1003.
Google Scholar | Crossref | Medline | ISI25. Keen, C, Fowler-Davis, S, McLean, S, et al. Physiotherapy practice in pulmonary hypertension: physiotherapist and patient perspectives. Pulm Circ 2018; 8: 10.1177/2045894018783738.
Google Scholar | SAGE Journals26. Morris, NR, Kermeen, FD, Holland, AE. Exercise-based rehabilitation programmes for pulmonary hypertension. Cochrane Database Syst Rev 2017; 1: CD011285.
Google Scholar | Medline