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  • Title: Six weeks of intensive treadmill training improves gait and quality of life in patients with Parkinson's disease: a pilot study.
    Author: Herman T, Giladi N, Gruendlinger L, Hausdorff JM.
    Journal: Arch Phys Med Rehabil; 2007 Sep; 88(9):1154-8. PubMed ID: 17826461.
    Abstract:
    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 1.26 m/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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