Carpal Tunnel Syndrome Research Today is a free monthly online journal that collates and summarizes the latest research about Carpal Tunnel Syndrome, including details on symptoms, causes, trauma, diagnosis, physiotherapy. | ||||||||
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Hormone replacement therapy in hypothyroidism and nerve conduction study.Kececi H, Degirmenci Y Abant Izzet Baysal University, Duzce Medical Faculty, Department of Neurology, 14450 Konuralp, Duzce, Turkey. hulusikececi@ttnet.net.tr OBJECTIVES: To evaluate the electrodiagnostic evidence of peripheral nerve dysfunction in patients with hypothyroidism before and after hormone replacement treatment. MATERIALS AND METHODS: Forty patients aged above 18 years diagnosed with hypothyroidism were included in our study. Patients with FT4 levels below 11.6 pmol/l and TSH levels above 4.2 IU/ml were accepted as hypothyroidic. Electrodiagnostic evaluation was performed at the onset of the study and after 3 months. Electrodiagnostic evaluation included motor and sensory nerve conduction studies, and F wave. RESULTS: The differences between pre- and post-treatment FT4, FT3 and TSH values were found to be statistically significant. At the onset, electrophysiological evaluation revealed carpal tunnel syndrome in 15 patients and polyneuropathy in seven patients; whereas 18 patients were found normal in these respects. After treatment, the electrodiagnostic evaluation revealed that 35 patients were normal, while only two patients had carpal tunnel syndrome and three patients had polyneuropathy. The differences between before and after treatment values of median motor distal latency and amplitude, median sensorial nerve conduction velocity, tibial motor nerve conduction velocity and sural sensory nerve conduction velocity were found to be statistically significant. CONCLUSION: The results of the control evaluation after treatment demonstrated that the findings related to entrapment neuropathy and polyneuropathy in hypothyroid patients can be reversible in a period of 3 months if appropriate hormone replacement treatment can be obtained. Especially in the treatment of entrapment neuropathy in hypothyroidism, the chance of medical treatment must be given to patients before considering surgical treatment. Published 17 July 2006 in Neurophysiol Clin, 36(2): 79-83.
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