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nerve conduction velocity and alpha lipoic acid supplementation

Filippo Boriani, Donatella Granchi, Giulia Roatti, Luciano Merlini, Tania Sabattini, Nicola Baldini
PURPOSE: The postoperative course of median nerve decompression in carpal tunnel syndrome may be associated with complications. The aim of this study was to explore the possible effects of alpha-lipoic acid (ALA) in the postoperative period after surgical decompression of the median nerve at the wrist. METHODS: We conducted a double-blind prospective, randomized, controlled trial. A total of 64 patients with proven carpal tunnel syndrome were enrolled and randomly assigned into 1 of 2 groups: group A (n = 32) patients had surgical decompression of the median nerve followed by ALA for 40 days, and group P (n = 32) patients had surgical decompression followed by placebo...
April 2017: Journal of Hand Surgery
Seckin Tuncer, Nizamettin Dalkilic, Mehmet Akif Dunbar, Bahar Keles
Cisplatin is a carcinogenic agent having important cytotoxic effects. Cisplatin treatment increases the levels of free oxygen radicals in neurologic tissues. We investigated the effects of alpha lipoic acid (ALA) and melatonin (MEL) on the electrophysiological parameters and on activities of nerve fibers having different conduction properties on cisplatin neurotoxicity. Neurotoxicity was induced by a single injection of 10 mg/kg intraperitoneal (ip) cisplatin. Supplementation was started 1 day before cisplatin injection with either 100 mg/kg/day ip ALA or 4 mg/kg/day ip MEL for 7 days...
October 2010: International Journal of Neuroscience
Murat Ayaz, Seckin Tuncer, Nilsel Okudan, Hakki Gokbel
Diabetic neuropathies are a family of nerve disorders caused by diabetes. Patients with diabetes can develop nerve problems at any time, but the longer a person has diabetes the greater the risk. This study aims to investigate diabetes- and coenzyme Q(10) (CoQ(10)) or alpha-lipoic acid (ALA) supplementation-induced changes in the conduction velocity (CV) distributions of rat sciatic nerve fibers. Sciatic nerve compound action potentials (CAPs) were recorded by suction electrode and CV distributions by the collision technique...
June 2008: Methods and Findings in Experimental and Clinical Pharmacology
L J Coppey, J S Gellett, E P Davidson, J A Dunlap, D D Lund, M A Yorek
We have shown that diabetes-induced reduction in endoneurial blood flow (EBF) and impaired endothelium-dependent vascular relaxation precede slowing of motor nerve conduction velocity (MNCV) and decreased sciatic nerve Na(+)/K(+) ATPase activity. Furthermore, vascular dysfunction was accompanied by an accumulation of superoxide in arterioles that provide circulation to the sciatic nerve. In the present study, we examined the effect that treatment of streptozotocin-induced diabetic rats with antioxidants has on vascular and neural function...
August 2001: Diabetes
L Hounsom, D F Horrobin, H Tritschler, R Corder, D R Tomlinson
Untreated streptozotocin-diabetic (7 weeks duration) rats showed reductions (all p < 0.01; percentages in brackets) in motor and sensory nerve conduction velocity (MNCV; 14%, SNCV; 17%) and in sciatic nerve contents of nerve growth factor (NGF; 57%), substance P (SP; 53%) and neuropeptide Y (NPY; 39%). Treatment with a gamma-linolenic acid-alpha-lipoic acid conjugate (GLA-LA; 35 mg x day(-1) x rat(-1)) attenuated (p < 0.05) these reductions to MNCV (8%), SNCV (5%), NGF (19%), SP (23%), NPY (20%), such that the values in GLA-LA-treated diabetic rats did not differ significantly from those of control non-diabetic animals...
July 1998: Diabetologia
M Nagamatsu, K K Nickander, J D Schmelzer, A Raya, D A Wittrock, H Tritschler, P A Low
OBJECTIVE: To determine whether lipoic acid (LA) will reduce oxidative stress in diabetic peripheral nerves and improve neuropathy. RESEARCH DESIGN AND METHODS: We used the model of streptozotocin-induced diabetic neuropathy (SDN) and evaluated the efficacy of LA supplementation in improving nerve blood flow (NBF), electrophysiology, and indexes of oxidative stress in peripheral nerves affected by SDN, at 1 month after onset of diabetes and in age-matched control rats...
August 1995: Diabetes Care
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