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Predictive factors of the neuropathic pain in patients with carpal tunnel syndrome and its impact on patient activity.

AIM
To determine the predictive factors of the neuropathic pain in patients with carpal tunnel syndrome (CTS), and the impact of such neuropathic pain on patient's activity.


METHODS
Douleur Neuropathique 4 questionnaire, Short Form-Brief Pain Inventory test and Boston Carpal Tunnel Syndrome Questionnaire were completed and results were stratified according neuropathic pain and work activity of the patients.


RESULTS
69 of 90 patients with CTS had neuropathic pain (76.7%). Increasing by one the scores of numbness/tingling, pain intensity and neurologic affectation of the electromyogram meant increasing 3.3-, 2.7- and 4.4-times the risk of neuropathic pain, respectively.


CONCLUSION
These results will be useful for a better neuropathic pain evaluation in patients with CTS, allowing the appropriate treatment.