![]() The diagnostic sensitivity by magnetic stimulation is. A negative relation was found between the disease duration and the MNCV values of sciatic nerves in patients with piriformis syndrome (r=-.68, P<.01). ![]() The MNCV of the sciatic nerve in S1 component showed no significant difference between the patients and controls (P=.062). The mean MNCV of the sciatic nerve +/- standard deviation at the gluteal segment in L5 component was 55.4+/-7.8 m/s in patients with piriformis syndrome, which was slower than the mean value of 68.1+/-10.3 m/s obtained in healthy controls (P=.014). Diagnostic sensitivities were measured in the magnetic stimulation method and the conventional nerve conduction, long latency reflex, and needle electromyography studies. Motor nerve conduction velocity (MNCV) of the sciatic nerve was measured at the gluteal segment by magnetic stimulation proximally at L5 and S1 roots and distally at sciatic nerve at gluteal fold and recording at the corresponding muscles. ![]() ![]() Twenty-three patients with piriformis syndrome and 15 healthy persons for control. To assess the motor nerve conduction of the sciatic nerve by a magnetic stimulation method in patients with piriformis syndrome.Īn electrodiagnostic laboratory in a university hospital. ![]()
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