Source: International Congress 2016 – Best abstracts in physical activity and telemedicine
Disease area: Airway diseases

Abstract

Background Although pulmonary rehabilitation (PR) augments exercise capacity in COPD patients, benefits wane with time. We hypothesised that individualised step targets using a pedometer could maintain PR benefits compared with usual care.Method This was a planned analysis of a randomised controlled trial of pedometer-directed step targets as an adjunct to PR. The control group received usual care (8-week outpatient PR followed by unsupervised home exercise for 6 months). The intervention group received usual care and supervised step targets using a pedometer during PR between weeks 0-8 and self-determined step targets using a pedometer from end of PR for six months. Outcome assessors were masked to group allocation. We compared change in incremental shuttle walk (ISW) and accelerometer measured physical activity parameters over 6 months from end of PR.Results With a completer intention-to-treat analysis no significant within or between group differences were evident.

Post-PR characteristics and change 6 months post-PR

Variable	Post-PR (Mean (SD), Median (IQR))			6 months post-PR (Mean (95%CI), Median (IQR))
	Intervention-n=63	Control-n=59	Between group p value	Inter- ven- tion-n=50	Control-n=53	Between group p value
Sex (m n (%))	45 (71)	4 (71)	0.98
Age	69 (9)	68 (8)	0.57
FEV1/FVC	0.51 (0.15)	0.50 (0.16)	0.66
FEV1%	50.6 (20.7)	50.3 (21.8)	0.94
MRC	3 (1)	2 (1)	<0.01
BMI	29.1 (6.6)	27.7 (4.7)	0.12
ISW	331 (146)	342 (157)	0.50	-28 (-45 to 11)	-37 (-58 to 16)	0.48
Daily mins ³3METS	63 (23, 101)	68 (22, 125)	0.92	-4 (-38, 14)	-4 (-30, 17)	0.39
Steps /day	4417 (3856)	4421 (3181)	0.92	-457 (-1698, -58)	-474 (-1848, -147)	0.74

 

Conclusion Pedometer-directed step count targets do not maintain the benefits of PR in COPD patients. ClinicalTrials.gov NCT01719822.


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Citations should be made in the following way:
Claire M Nolan (London, United Kingdom), Claire M. Nolan, Matthew Maddocks, Jane L. Canavan, Sarah E. Jones, Samantha S.C. Kon, Djeya Kaliaraju, Michael I. Polkey, William D.-C. Man. Do pedometers maintain the benefits of pulmonary rehabilitation in COPD patients?. Eur Respir J 2016; 48: Suppl. 60, 2058

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