Purpose: A person with post-stroke lateropulsion actively pushes themselves toward their hemiplegic side, or resists moving onto their non-hemiplegic side. This study aimed to determine the association of lateropulsion severity with: Change in function (Functional Independence Measure - FIM) and lateropulsion severity (Four-Point Pusher Score - 4PPS) during inpatient rehabilitation; Inpatient rehabilitation length of stay (LOS); Discharge destination from inpatient rehabilitation. Methods: Retrospective data for 1,087 participants (aged >65 years) admitted to a stroke rehabilitation unit (2005-2018) were analysed using multivariable regression models. Results: Complete resolution of lateropulsion was seen in 69.4% of those with mild lateropulsion on admission (n=160), 49.3% of those with moderate lateropulsion (n = 142), and 18.8% of those with severe lateropulsion (n = 181). Average FIM change was lower in those with severe lateropulsion on admission than those with no lateropulsion (p< 0.001). Higher admission 4PPS was associated with reduced FIM efficiency (p< 0.001), longer LOS (p< 0.001), (adjusted mean LOS: 35.6 days for those with severe lateropulsion versus 27.0 days for those without), and reduced likelihood of discharge home (p< 0.001).
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