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Electrodiagnostic Abnormalities Associated with Fibromyalgia by Mieke Hulens; Frans Bruyninckx; Ricky Rasschaert; Greet Vansant; Peter De Mulder; Ingeborg Stalmans; Chris Bervoets; Wim Dankaerts is a Medicine article available to read on EtoBox.

What is Electrodiagnostic Abnormalities Associated with Fibromyalgia about?

## Purpose Increasing evidence suggests that fibromyalgia most likely represents a neurological dysfunction. We previously hypothesized that at least some fibromyalgia cases may be caused by irritation of nerve root fibers and sensory neurons due to moderately increased cerebrospinal pressure. Because of the rostro-caudal hydrostatic pressure gradient, neurogenic abnormalities are expected to be most pronounced in sacral nerve roots. The purpose was to review electrodiagnostic tests of patients with fibromyalgia. ## Methods A retrospective review of electrodiagnostic test results, including the lumbar and sacral nerve root myotomes of patients diagnosed with fibromyalgia according to the 1990 criteria of the American College of Rheumatology was done. ## Results All 17 patients were female. Sural nerve responses could not be elicited in 12% and S1-Hoffmann reflex latencies were increased in 41%. In 12% of the patients, fibular motor nerve distal latency and conduction velocity were outside normal limits. Needle-EMG revealed neurogenic motor unit potentials in 0% of L2, 6% of L3, 29% of L4, 71% of L5, 47% of S1, 94% of S2, and 76% of S3-S4 myotomes. S3-S4 nerve-supplied anal reflexes

Who reads Electrodiagnostic Abnormalities Associated with Fibromyalgia?

Author

Mieke Hulens; Frans Bruyninckx; Ricky Rasschaert; Greet Vansant; Peter De Mulder; Ingeborg Stalmans; Chris Bervoets; Wim Dankaerts

Publisher

Informa UK Limited

Published

2020

Language

EN

Field

Medicine (Health Sciences)