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. 2005 Jun;36(6):1305-7.
doi: 10.1161/01.STR.0000166202.00669.d2. Epub 2005 May 5.

Steps after stroke: capturing ambulatory recovery

Marianne Shaughnessy  1 , Kathleen M Michael, John D Sorkin, Richard F Macko
Affiliations

Steps after stroke: capturing ambulatory recovery

Marianne Shaughnessy et al. Stroke. 2005 Jun.

Abstract

Background and purpose: Nearly two thirds of stroke survivors have deficits impairing ambulatory recovery. Conventional mobility outcome measures such as timed walks and functional independence measure (FIM) do not quantify free-living ambulatory behavior. This study compared step activity monitoring (SAM) with established instruments to assess ambulatory recovery across the outpatient subacute stroke rehabilitation phase.

Methods: We measured FIM mobility subscale, SAM-derived daily steps, Stroke Impact Scale (SIS) mobility scores, and timed walks in 11 subjects after discharge from inpatient rehabilitation and again 3 months later.

Results: Significant improvement was measured in free-living step activity (mean gain 80%; P=0.001) but not with timed walks (P=0.4), FIM (P=0.08), or SIS mobility scales (P=0.3).

Conclusions: Microprocessor-linked SAM is a sensitive indicator of ambulatory recovery that measures improvements not captured by other conventional outcome instruments.

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