• Mauro Mondelli, Alessandro Aretini, and Giuseppe Greco.
• Neurol. Sci. 2014 May 1; 35 (5): 669-75.

AbstractThe aims are to evaluate electrodiagnostic testing (EDX) requests and verify if presence, consistency and agreement of referral diagnosis could be predicted by patient demographic findings and referring physician typology, and if there were differences in respect to our previous study performed 16 years ago. The study concerns EDX requests referred to two electromyography labs during the year 2011. Differences between findings of general practitioners (GPs) versus specialists' requests and between this study with the previous were assessed. Multivariate logistic regression was performed to calculate odds ratio to assess the strength of association between presence, consistency and agreement of referral diagnosis with patient demographic findings and referring physician typology. We evaluated EDX requests of 1,586 patients (mean age 56 ± 16.7 years, 58.8 % women), 1,050 (66.2 %) were referred by GPs and 536 (33.8 %) by specialists. The suspected diagnosis was reported in 1,033 (65.1 %) requests, the overall consistency was 79.9 % and agreement was 71.9 %. Presence, consistency and agreement of referral diagnosis were predicted by physician's typology (specialist). Only if the suspected diagnosis was carpal tunnel syndrome, consistency and agreement were high regardless of doctor's typology. The physicians, especially GPs, who reported the referral diagnosis decreased during the past 16 years. A diagnostic test, including EDX, should be considered mainly if it fits into the best diagnostic strategy. The neurophysiologist should decide if EDX is useful, make the best decision on further management, and not submit patients to unnecessary and uncomfortable procedures. This choice of behaviour could be questionable and may lead to ethical and deontological problems.

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