PT  - JOURNAL ARTICLE
AU  - Heleen Demeyer
AU  - Zafeiris Louvaris
AU  - Rebecca Tanner
AU  - Noah Rubio
AU  - Anja Frei
AU  - Corina de Jong
AU  - Elena Gimeno Santos
AU  - Maarten Spruyt
AU  - Matthias Loeckx
AU  - Sara Buttery
AU  - Claire Yerramasu
AU  - Gilbert Buesching
AU  - Alexandra Strassmann
AU  - Ignasi Serra
AU  - Roberto Rabinovich
AU  - Iannis Vogiatzis
AU  - Michael Polkey
AU  - Judith Garcia Aymerich
AU  - Thierry Troosters
TI  - LATE-BREAKING ABSTRACT: Increasing physical activity in patients with COPD using a telecoaching program: A multicenter RCT
AID  - 10.1183/13993003.congress-2015.OA278
DP  - 2015 Sep 01
TA  - European Respiratory Journal
PG  - OA278
VI  - 46
IP  - suppl 59
4099  - http://erj.ersjournals.com/content/46/suppl_59/OA278.short
4100  - http://erj.ersjournals.com/content/46/suppl_59/OA278.full
SO  - Eur Respir J2015 Sep 01; 46
AB  - Rationale: Increasing physical activity (PA) is a desired outcome in patients with COPD. We aimed to investigate the effectiveness of a 3 month tele-coaching program on the PA level of patients with COPD in a multicenter European trial (NCT02158065).Methods: In this RCT 344 patients (64% male, FEV1%pred 56(21), age 66(8)y, 6MWD 443(106)m, BMI 26(5) kg.m-2, 4890(2778)steps.day-1, 488(200)VMU.min-1) from 6 centers were allocated to a usual care group (UCG) or an intervention group (IG) receiving a tele-coaching program, including a step counter providing direct feedback, an exercise booklet, a dedicated smartphone application (Linkcare), text messages and occasional telephone contacts with investigators. A daily goal (number of steps) was sent and revised every week. PA was measured using accelerometry during 1 week preceding randomization and during week 12. Mean daily step count and vector magnitude units (VMU) were chosen as outcome.Results: Both groups were comparable at baseline, for all variables except VMU [UCG vs IG respectively 512(207) vs 465(190)VMU.min-1]. 40% of patients in the intervention group vs 12% of control patients (p<0.001) increased PA with by least 20% from baseline (OR[95%CI] for increase 4.69 [2.46-8.97] in IG vs UCG). Intervention patients had an increase of 1546 [95%CI 1021-2072] steps.day-1 (p<0.001) and an increase of 87 [95%CI 54-121] VMU.min-1 (p<0.001) more than controls. Within group changes (Δ) for IG vs UCG were respectively 934(2482) vs -673(1688) steps.day-1 and 55(148) vs -39(122)VMU.min-1.Conclusion: Physical activity can be significantly increased in patients with COPD using a step counter and a smartphone based, semi-automated tele-coaching program.