Journal
ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION
Volume 88, Issue 9, Pages 1154-1158Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.apmr.2007.05.015
Keywords
cues; gait; Parkinson's disease; quality of life; rehabilitation; treadmill test
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Objective: To evaluate the effects of 6 weeks of intensive treadmill training on gait rhythmicity, functional mobility, and quality of life (QOL) in patients with Parkinson's disease (PD). Design: An open-label, before-after pilot study. Setting: Outpatient movement disorders clinic. Participants: Nine patients with PD who were able to ambulate independently and were not demented. Mean age was 70 +/- 6.8 years. Patients had mild to moderate PD (Hoehn and Yahr stage range, 1.5-3). Interventions: Patients walked on a treadmill for 30 minutes during each training session, 4 training sessions a week, for 6 weeks. Once a week, usual overground walking speed was re-evaluated and the treadmill speed was adjusted accordingly. Main Outcome Measures: The 39-item Parkinson's Disease Questionnaire (PDQ-39), motor part of the Unified Parkinson's Disease Rating Scale (UPDRS), gait speed, stride time variability, swing time variability, and the Short Physical Performance Battery (SPPB). Results: A comparison of the measures taken before and after the treadmill intervention indicates general improvement. QOL, as measured by the PDQ-39, was reduced (improved) from 32 to 22 (P <.014). Parkinsonian symptoms, as measured by the UPDRS, decreased (improved) from 29 to 22 (P <.043). Usual gait speed increased from 1.11 to 1.26m/s (P <.014). Swing time variability was lower (better) in all but one patient, changing from 3.0% to 2.3% (P <.06). Scores on the SPPB also improved (P <.008). Interestingly, many of the improvements persisted even 4 weeks later. Conclusions: These results show the potential to enhance gait rhythmicity in patients with PD and suggest that a progressive and intensive treadmill training program can be used to minimize impairments in gait, reduce fall risk, and increase QOL in these patients.
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