Ann Rehabil Med.  2023 Apr;47(2):98-107. 10.5535/arm.23005.

Trunk Impairment Scale for Predicting Lumbar Spine Bone Mineral Density in Young Male Patients With Subacute Stroke

• Cho YH
• Seok H
• Kim SH
• Lee SY
• Kim HJ

• KMID: 2541843
• DOI: http://doi.org/10.5535/arm.23005

Abstract

Objective
To investigate the relationship between Trunk Impairment Scale (TIS) and lumbar spine bone mineral density (BMD) in subacute stroke patients.
Methods
Twenty-three subacute male stroke patients under the age of 65 were prospectively enrolled to exclude both postmenopausal and senile effects on BMD. The TIS, Berg Balance Scale, the Korean version of the Modified Barthel Index, and manual muscle test were measured at admission and 3 months after stroke onset. BMD of the bilateral lower extremities and lumbar vertebrae was measured by dual-energy X-ray absorptiometry 3 months after stroke onset.
Results
TIS at baseline (TIS_B) and TIS at 3 months after stroke (TIS_3m) showed significant correlations with lumbar BMD (TIS_B, r=0.522; TIS_3m, r=0.517). Through multiple regression analysis, the TIS_B was associated with lumbar BMD (adjusted R2=0.474). However, BMD of the bilateral lower extremities was not correlated with any clinical measurements except body mass index.
Conclusion
We found a relationship between TIS_B and lumbar BMD in subacute young male stroke patients. Stroke patients with poor trunk control in the early subacute stage would have low BMD of vertebral bones at 3 months. The TIS can be useful for estimating bone fragility in the lumbar vertebrae of subacute stroke patients.

Keyword

Osteoporosis; Stroke; Core stability; Male; Spine

Figure

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  Fig. 1. Flowchart for this study. BMI, body mass index; TIS, Trunk Impairment Scale; BBS, Berg Balance Scale; K-MBI, Korean version of Modified Barthel Index; MMT, manual muscle test; BMD, bone mineral density.

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  Fig. 2. Scatter plot showing the correlation of the bone mineral density (BMD) of lumbar spine and Trunk Impairment Scale (TIS) scores (n=23). TIS scores showed a strong positive correlation with BMD of lumbar spine at baseline (TIS_base) and 3 months after stroke (TIS_3m) (r=0.522, p<0.05; r=0.517, p<0.05, respectively).

• 

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