Evaluation of multiple level nerve compression
In this retrospective study, the charts of 100 patients (81 females and 19 males, mean age 41 years) with a diagnosis of multiple level nerve compression were reviewed. Forty-five patients were involved with Workers' Compensation. The most common referral diagnosis was carpal tunnel syndrome (43%); only one patient was referred with the diagnosis of ‘multiple crush’. Of the 43 patients referred with a diagnosis of carpal tunnel syndrome, 35% had two levels of nerve compression (carpal and cubital tunnel or carpal tunnel and thoracic outlet) and 65% had three levels of nerve compression (carpal tunnel, cubital tunnel and thoracic outlet). This study suggests that multiple level nerve compression is frequently unrecognized and recommends full upper extremity evaluation, especially in patients referred with a diagnosis of carpal tunnel syndrome, to identify all levels of nerve compression.