Objective: Health care providers refer their patients to electromyography (E<span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdan...Objective: Health care providers refer their patients to electromyography (E<span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">MG) laboratories for the evaluation of various sensory symptoms in the extremities and spine. The procedure is usually performed in conjunction with transcutaneous electrical stimulation of peripheral nerves and elicitation of the F-</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">wave and H-reflex. The present study aimed to determine the real value of these procedures in the diagnosis of sensory symptoms in the setting of a normal neurologic examination. Method: The EMG reports and clinical histories of 100 patients, including 10 patients evaluated by other electromyographers, were reviewed. The study was focused on those with normal neurological examinations and those without histories of ongoing medical disorders and major surgeries to the extremities and spine.</span></span></span><span><span><span style="font-family:;" "=""> </span></span></span><span><span><span style="font-family:;" "=""><span style="font-family:Verdana;">Results: All EMGs, F-wave, and H-reflex reports reviewed were normal, including those obtained </span><span style="font-family:Verdana;">from the second procedure performed in some patients and of those who su</span><span style="font-family:Verdana;">bsequently underwent spinal surgery. Neurologic examination in all patients</span><span style="font-family:Verdana;"> was </span><span style="font-family:Verdana;">normal. Conclusion: Needle EMG, F-wave and H-Reflex examinations are pr</span><span style="font-family:Verdana;">edictably normal in patients with non-dermatomal, non-neuropathic sensory symptoms with normal neurologic examination and without history of pre</span></span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">existing medical and surgical disorders. A good neurologic examination sh</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">ould determine the need to perform these procedures. Our findings have important diagnostic, therapeutic, prognostic, economic and legal implications</span></span></span><span style="font-family:Verdana;">.</span>展开更多
文摘Objective: Health care providers refer their patients to electromyography (E<span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">MG) laboratories for the evaluation of various sensory symptoms in the extremities and spine. The procedure is usually performed in conjunction with transcutaneous electrical stimulation of peripheral nerves and elicitation of the F-</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">wave and H-reflex. The present study aimed to determine the real value of these procedures in the diagnosis of sensory symptoms in the setting of a normal neurologic examination. Method: The EMG reports and clinical histories of 100 patients, including 10 patients evaluated by other electromyographers, were reviewed. The study was focused on those with normal neurological examinations and those without histories of ongoing medical disorders and major surgeries to the extremities and spine.</span></span></span><span><span><span style="font-family:;" "=""> </span></span></span><span><span><span style="font-family:;" "=""><span style="font-family:Verdana;">Results: All EMGs, F-wave, and H-reflex reports reviewed were normal, including those obtained </span><span style="font-family:Verdana;">from the second procedure performed in some patients and of those who su</span><span style="font-family:Verdana;">bsequently underwent spinal surgery. Neurologic examination in all patients</span><span style="font-family:Verdana;"> was </span><span style="font-family:Verdana;">normal. Conclusion: Needle EMG, F-wave and H-Reflex examinations are pr</span><span style="font-family:Verdana;">edictably normal in patients with non-dermatomal, non-neuropathic sensory symptoms with normal neurologic examination and without history of pre</span></span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">existing medical and surgical disorders. A good neurologic examination sh</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">ould determine the need to perform these procedures. Our findings have important diagnostic, therapeutic, prognostic, economic and legal implications</span></span></span><span style="font-family:Verdana;">.</span>