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Gait Posture. 2019 Sep;73:71-73. doi: 10.1016/j.gaitpost.2019.07.132. Epub 2019 Jul 5.

The Primary Gait Screen in Parkinson's disease: Comparison to standardized measures.

Author information

1
Applied Neuromechanics Laboratory, Department of Applied Physiology and Kinesiology, University of Florida, 1864 Stadium Road, Gainesville, FL 32611, USA; Fixel Institute for Neurological Diseases, Movement Disorders and Neurorestoration Program, UF Health, University of Florida, 3450 Hull Road, Gainesville, FL 32607, USA. Electronic address: a.schmitt@ufl.edu.
2
Applied Neuromechanics Laboratory, Department of Applied Physiology and Kinesiology, University of Florida, 1864 Stadium Road, Gainesville, FL 32611, USA.
3
Applied Neuromechanics Laboratory, Department of Applied Physiology and Kinesiology, University of Florida, 1864 Stadium Road, Gainesville, FL 32611, USA; Fixel Institute for Neurological Diseases, Movement Disorders and Neurorestoration Program, UF Health, University of Florida, 3450 Hull Road, Gainesville, FL 32607, USA.
4
Fixel Institute for Neurological Diseases, Movement Disorders and Neurorestoration Program, UF Health, University of Florida, 3450 Hull Road, Gainesville, FL 32607, USA.

Abstract

BACKGROUND:

Persons with Parkinson's disease exhibit gait deficits during comfortable-pace overground walking and data from pressure sensitive mats have been used to quantify gait performance. The Primary Gait Screen is a new assessment which includes gait initiation, overground walking, turning, and gait termination. Although overground assessments are useful, the Primary Gait Screen offers a more complex evaluation than traditional gait assessments.

RESEARCH QUESTION:

Is the overground walking portion of the Primary Gait Screen comparable to traditional gait assessments?

METHODS:

Persons with Parkinson's disease (N = 175; 47 F, 128 M; 67 ± 9 yrs) prospectively completed 4 passes at a self-selected speed and two trials of the Primary Gait Screen on an 8 m long pressure-sensing mat. Spatiotemporal gait variables were computed and a repeated-measures MANOVA with a Bonferroni correction compared the spatiotemporal variables from the Primary Gait Screen to the self-selected trials: gait velocity, cadence, step length, step time, and stride length.

RESULTS:

The analyses failed to detect differences between the Primary Gait Screen and self-selected trials for gait velocity, step length, or stride length (p > .01). Post-hoc tests revealed decreased cadence and increased step time were the only differences between the Primary Gait Screen trials and the self-selected trial (p < .001).

SIGNIFICANCE:

Differences seen in cadence and step time during the Primary Gait Screen may be attributed to patients' strategy, but are likely not clinically meaningful. The Primary Gait Screen appears to be a comparable assessment of overground walking in persons with Parkinson's disease, and may be a useful and accurate clinical assessment of walking.

KEYWORDS:

Clinical gait assessment; Gait; Instrumented walkway; Parkinson’s disease; Primary Gait Screen

PMID:
31301561
DOI:
10.1016/j.gaitpost.2019.07.132
[Indexed for MEDLINE]

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