• Renu B Gupta, Dina Brooks, Yves Lacasse, and Roger S Goldstein.
• University of Toronto, West Park Healthcare Centre, 82 Buttonwood Ave, Toronto, ON, Canada M6M 2J5.
• Chest. 2006 Oct 1;130(4):1089-95.

ObjectiveThe purpose of this study was to evaluate the influence of rollator use on health-related quality of life in patients with COPD.DesignRandomized controlled trial.MethodsThirty-one postrehabilitation patients with COPD were randomized to receive a rollator (n = 18) or usual care (n = 13) for 8 weeks and to record the frequency of rollator use. Outcome measures at baseline, 4 weeks, and 8 weeks included the Chronic Respiratory Questionnaire (CRQ) and the 6-min walk (6MW).ResultsDuring acute testing, subjects consistently walked further when assisted (baseline 6MW: 292 +/- 67 m vs 263 +/- 67 m; 8 weeks: 283 +/- 65 m vs 259 +/- 68 m [+/-SD]; p = 0.013). However, provision of a rollator at home was not associated with group differences in the CRQ (p > 0.08) or in the unassisted 6MW (p = 0.4) or the assisted 6MW (p = 0.5). Eight of 18 subjects assigned to the rollator group used the rollator less than three times per week. Regular users demonstrated a consistent improvement in mastery compared with infrequent users (4 weeks: 4.7 +/- 0.6 vs 5.2 +/- 0.8, respectively; 8 weeks: 5.3 +/- 0.8 vs 4.7 +/- 0.4; p = 0.014).ConclusionsDespite evidence of effectiveness during acute testing, this study did not demonstrate a rollator effect on quality of life or exercise capacity when the rollator was provided at home, for a longer period. Actual use of a rollator may be an important determinant of its effect. Therefore, when prescribing a rollator, health-care professionals should attempt to identify those most likely to use it.

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