Kosin Med J.  2015 Jun;30(1):59-67. 10.7180/kmj.2015.30.1.59.

Factors Associated with Post Stroke Shoulder Subluxation

• Lee JH
• Jeon WH
• Jeong HJ
• Kim GC
• Sim YJ

• KMID: 2308538
• DOI: http://doi.org/10.7180/kmj.2015.30.1.59

Abstract

OBJECTIVES
Shoulder subluxation is common complication after stroke. And it can result in delayed neurological recovery in hemiplegic stroke patients. The aim of this study is identifying the incidence and associating factors of shoulder subluxation in stroke patients.
METHODS
Stroke patients from 1 rehabilitation center from January 2008 to January 2012 were enrolled in the present study. The basic demographic data were registered at the time of admission or transfer to rehabilitation center. To assess the shoulder subluxation, we have used fingers' breadth method and plain radiography. We diagnosed shoulder subluxation with vertical distance (VD) were more than 12.4cm on plain anteroposteior view. And then shoulder subluxation was analyzed with associated factors.
RESULTS
Of 154 stroke patients, this retrospective study included 109 patients who met the inclusion criteria, 28 patients had shoulder subluxation. After univariated analysis, shoulder subluxation was significantly associated with motor power of shoulder and elbow, loss of proprioception, stroke duration and functional ability. Especially elbow extensor less than poor grade is mostly related to shoulder subluxation among the motor powers. Then multivariated analysis was carried out including all significant subjects, elbow extensor less than poor grade, loss of proprioception and stroke duration more than 6 months were related to shoulder subluxation.
CONCLUSIONS
Post stroke shoulder subluxation was commonly observed, and the incidence was 25.6% in this study. Shoulder subluxation was correlated with muscle power of elbow(less than F grade), loss of proprioception and stroke duration more than 6 months.

Keyword

Rehabilitation; Stroke; Subluxation

MeSH Terms

Elbow
Humans
Incidence
Proprioception
Radiography
Rehabilitation
Rehabilitation Centers
Retrospective Studies
Shoulder*
Stroke*

Figure

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  Fig 1. (A) Schematic description of shoulder subluxation. VD (vertical distance) is the distance from the most inferolateral acromial point (a) to the most upperpoint (b) of the humeral head. (B) And radiologic measurement of VD in shoulder anteropostrior plane film.

Reference

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