Sural nerve conduction velocity and refractory period in diabetics without clinical signs of neuropathy. 1980

P Schütt, and H Muche, and H J Lehmann, and H Hielscher

Twentysix patients aged 22-76 years with a duration of diabetes of 1 month to 23 years but without signs of symptoms of a peripheral nerve disease were studied. The nerve conduction velocity, the amplitude of the compound action potential and its restitution during the relative refractory period were examined in sural nerves. Nerve conduction velocity of the motor fibers were determined in the median, ulnar, tibial, and peroneal nerves. A reduced conduction velocity in motor nerves of the lower extremities were found in 10%, a reduced sensory nerve conduction velocity in 25%, and pathological changes of the refractory period in 50% of the patients. It is concluded that the determination of the relative refractory period can be used as a sensitive test in the early diagnosis of diabetic neuropathy.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009431 Neural Conduction The propagation of the NERVE IMPULSE along the nerve away from the site of an excitation stimulus. Nerve Conduction,Conduction, Nerve,Conduction, Neural,Conductions, Nerve,Conductions, Neural,Nerve Conductions,Neural Conductions
D003920 Diabetes Mellitus A heterogeneous group of disorders characterized by HYPERGLYCEMIA and GLUCOSE INTOLERANCE.
D003929 Diabetic Neuropathies Peripheral, autonomic, and cranial nerve disorders that are associated with DIABETES MELLITUS. These conditions usually result from diabetic microvascular injury involving small blood vessels that supply nerves (VASA NERVORUM). Relatively common conditions which may be associated with diabetic neuropathy include third nerve palsy (see OCULOMOTOR NERVE DISEASES); MONONEUROPATHY; mononeuropathy multiplex; diabetic amyotrophy; a painful POLYNEUROPATHY; autonomic neuropathy; and thoracoabdominal neuropathy. (From Adams et al., Principles of Neurology, 6th ed, p1325) Diabetic Amyotrophy,Diabetic Autonomic Neuropathy,Diabetic Neuralgia,Diabetic Polyneuropathy,Neuralgia, Diabetic,Asymmetric Diabetic Proximal Motor Neuropathy,Diabetic Asymmetric Polyneuropathy,Diabetic Mononeuropathy,Diabetic Mononeuropathy Simplex,Diabetic Neuropathy, Painful,Mononeuropathy, Diabetic,Symmetric Diabetic Proximal Motor Neuropathy,Amyotrophies, Diabetic,Amyotrophy, Diabetic,Asymmetric Polyneuropathies, Diabetic,Asymmetric Polyneuropathy, Diabetic,Autonomic Neuropathies, Diabetic,Autonomic Neuropathy, Diabetic,Diabetic Amyotrophies,Diabetic Asymmetric Polyneuropathies,Diabetic Autonomic Neuropathies,Diabetic Mononeuropathies,Diabetic Mononeuropathy Simplices,Diabetic Neuralgias,Diabetic Neuropathies, Painful,Diabetic Neuropathy,Diabetic Polyneuropathies,Mononeuropathies, Diabetic,Mononeuropathy Simplex, Diabetic,Mononeuropathy Simplices, Diabetic,Neuralgias, Diabetic,Neuropathies, Diabetic,Neuropathies, Diabetic Autonomic,Neuropathies, Painful Diabetic,Neuropathy, Diabetic,Neuropathy, Diabetic Autonomic,Neuropathy, Painful Diabetic,Painful Diabetic Neuropathies,Painful Diabetic Neuropathy,Polyneuropathies, Diabetic,Polyneuropathies, Diabetic Asymmetric,Polyneuropathy, Diabetic,Polyneuropathy, Diabetic Asymmetric,Simplex, Diabetic Mononeuropathy,Simplices, Diabetic Mononeuropathy
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D013127 Spinal Nerves The 31 paired peripheral nerves formed by the union of the dorsal and ventral spinal roots from each spinal cord segment. The spinal nerve plexuses and the spinal roots are also included. Nerve, Spinal,Nerves, Spinal,Spinal Nerve
D013497 Sural Nerve A branch of the tibial nerve which supplies sensory innervation to parts of the lower leg and foot. Nerve, Sural,Nerves, Sural,Sural Nerves

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