To describe the incidence of overuse musculoskeletal injuries in service members with combat-related lower limb amputation.
Retrospective cohort study.
Military treatment facilities.
Service members with deployment-related lower limb injury (N=791): 496 with a major lower limb amputation and 295 with a mild lower limb injury.
Main Outcome Measures
The outcomes of interest were clinical diagnosis codes (International Classification of Diseases–9th Revision) associated with musculoskeletal overuse injuries of the lumbar spine, upper limb, and lower limb regions 1 year before and 1 year after injury.
The overall incidence of developing at least 1 musculoskeletal overuse injury within the first year after lower limb amputation was between 59% and 68%. Service members with unilateral lower limb amputation were almost twice as likely to develop an overuse lower or upper limb injury than those with mild combat-related injury. Additionally, service members with bilateral lower limb amputation were more than twice as likely to develop a lumbar spine injury and 4 times more likely to develop an upper limb overuse injury within the first year after amputation than those with mild combat-related injury.
Incidence of secondary overuse musculoskeletal injury is elevated in service members with lower limb amputation and warrants focused research efforts toward developing preventive interventions.
List of abbreviations:AIS (Abbreviated Injury Scale), ICD-9 (International Classification of Diseases–9th Revision), ISS (Injury Severity Score)
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Published online: October 31, 2017
Supported by the DoD-VA Extremity Trauma and Amputation Center of Excellence (work unit no. N1333).
Published by Elsevier Inc. on behalf of the American Congress of Rehabilitation Medicine