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Influence of Age Alone, and Age Combined With Pinprick, on Recovery of Walking Function in Motor Complete, Sensory Incomplete Spinal Cord Injury.

Abstract：

OBJECTIVE:To determine if age, pinprick scores in the lower extremities, and neurologic severity of injury influence recovery of ambulation in persons with motor complete, sensory incomplete (American Spinal Injury Association Impairment Scale [AIS] grade B) spinal cord injury (SCI) 1 year after initial injury. DESIGN:This retrospective analysis examined subjects with AIS grade B from the Spinal Cord Injury Model System (SCIMS) database from 2006 to 2015. The baseline neurologic examination at rehabilitation admission (2-4wk postinjury) was used for comparison with 1-year outcome measures of locomotion. SETTING:Fifteen acute inpatient rehabilitation centers (participants in the SCIMS database). PARTICIPANTS:Participants with AIS grade B SCI (N=249) were enrolled in the SCIMS database in 2 cycles (2006-2010 and 2011-2015). INTERVENTIONS:Not applicable. MAIN OUTCOME MEASURES:Household ambulation at 1 year by FONE-FIM and by direct interview, as part of the annual neurologic exam; change in American Spinal Injury Association score 1 year postinjury. RESULTS:Findings demonstrate a statistically nonsignificant increase in likelihood of walking for those age <50 years compared with those age ≥50 years (relative risk [RR]=1.99; 95% confidence interval, 0.80-3.04). Presence of pinprick in at least one half of the lower-extremity dermatomes L2-S1 was associated with higher likelihood of walking (RR=5.57, P=.0023). Pinprick was significant for patients age <50 years (RR=4.58, P=.0090) but not for those age ≥50 years (P=.15). CONCLUSIONS:Compared with younger individuals, participants age ≥50 years with AIS grade B SCI are less likely to achieve walking function 1 year postinjury. Likewise, preservation of pinprick sensation postinjury in the majority of lower-extremity dermatomes L2-S1 increases the chances of walking in individuals age <50 years.

journal_name

Arch Phys Med Rehabil

journal_title

Archives of physical medicine and rehabilitation

authors

Oleson CV,Marino RJ,Leiby BE,Ditunno JF

doi

10.1016/j.apmr.2016.01.024

subject

Has Abstract

pub_date

2016-10-01 00:00:00

pages

1635-41

issue

eissn

0003-9993

issn

1532-821X

pii

S0003-9993(16)00092-7

journal_volume

pub_type

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Influence of Age Alone, and Age Combined With Pinprick, on Recovery of Walking Function in Motor Complete, Sensory Incomplete Spinal Cord Injury.