High incidence of absent nerve conduction in older patients with bilateral carpal tunnel syndrome.

Annals of the Royal College of Surgeons of England
Bo Povlsen

Abstract

Carpal tunnel syndrome has been reported by some to have a less satisfactory outcome in older patients following surgery. However, this impression is not supported by other investigators but no objective explanation has been suggested for these differences. In our department, such patients are routinely treated with night wrist splints and, if this is unsatisfactory, they are investigated with nerve conduction studies prior to surgery. This paper reports the neurophysiological outcome in a young (< 40 years of age) and an older (> 60 years of age) group of patients with clinical bilateral carpal tunnel syndrome who did not benefit from splints. The results showed that both the motor and sensory conduction speeds are significantly lower in the older age group. More importantly in the older group, half had one or more hands where the sensory conduction was absent. In four out of these 10 patients this finding was bilateral and three patients had unilateral absent motor conduction. In the younger group, no patient had absent conduction. Poor surgical outcome in some older patients may be because of irreversibly damaged nerves prior to surgery and pre-operative neurophysiology is, therefore, recommended both for clinical and medico...Continue Reading

References

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