Differential response to pulmonary rehabilitation in COPD: multidimensional profiling

M.A. Spruit*, I.M.L. Augustin, L.E. Vanfleteren, D.J.A. Janssen, S. Gaffron, H.J. Pennings, F. Smeenk, W. Pieters, J.J.A.M. van den Bergh, A.J. Michels, M.T.J. Groenen, E.P.A. Rutten, E.F.M. Wouters, F.M.E. Franssen

*Corresponding author for this work

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The aim of the present study was to profile a multidimensional response to pulmonary rehabilitation in patients with chronic obstructive pulmonary disease (COPD).Dyspnoea, exercise performance, health status, mood status and problematic activities of daily life were assessed before and after a 40-session pulmonary rehabilitation programme in 2068 patients with COPD (mean forced expiratory volume in 1 s of 49% predicted). Patients were ordered by their overall similarity concerning their multidimensional response profile, which comprises the overall response on MRC dyspnoea grade, 6MWD, cycle endurance time, Canadian Occupational Performance Measure performance and satisfaction scores, Hospital Anxiety and Depression Scale anxiety and depression, and St George's Respiratory Questionnaire total score, using a novel non-parametric regression technique.Patients were clustered into four groups with distinct multidimensional response profiles: n=378 (18.3%; "very good responder"), n=742 (35.9%; "good responder"), n=731 (35.4%; "moderate responder"), and n=217 (10.5%; "poor responder"). Patients in the "very good responder" cluster had higher symptoms of dyspnoea, number of hospitalisations <12 months, worse exercise performance, worse performance and satisfaction scores for problematic activities of daily life, more symptoms of anxiety and depression, worse health status, and a higher proportion of patients following an inpatient PR programme compared to the other three clusters.A multidimensional response outcome needs to be considered to study the efficacy of pulmonary rehabilitation services in patients with COPD, as responses to regular outcomes are differential within patients with COPD.
Original languageEnglish
Pages (from-to)1625-1635
JournalEuropean Respiratory Journal
Issue number6
Early online date9 Oct 2015
Publication statusPublished - 9 Oct 2015

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