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Role of Biomechanical Factors in Resolution of Carpal Tunnel Syndrome among a Population of Workers
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4 2019
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Source: J Occup Environ Med. 61(4):340-346
[PDF-222.42 KB]
Details:
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Alternative Title:J Occup Environ Med
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Personal Author:
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Description:Objectives:
Identify if CTS symptoms vary by measured biomechanical exposures.
Methods:
A nested prospective cohort within a large, multi-center, 8-year cohort study. The CTS case definition was tingling/numbness in 2+ median nerve-served digits plus a nerve conduction study consistent with CTS. Workers were assigned to: 1) low (Strain Index (SI) ≤6.1), and 2) high (SI >6.1) job groups.
Results:
Among 1,201 workers, 106 had CTS. Those in the high SI group became and remained symptom-free for at least three months, faster than the low SI group, adjusted HR= 2.07 (95%CI=1.21 – 3.56, p=0.008). Only surgical release trended towards resolving CTS. Light duty had no impact, and job change was associated with delayed symptoms resolution.
Conclusions:
High biomechanical exposures paradoxically predicted faster improvement in CTS and light duty did not result in symptom resolution.
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Source:
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Pubmed ID:30789447
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Pubmed Central ID:PMC6449203
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Document Type:
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Funding:
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Volume:61
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Issue:4
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