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Proceedings Paper

Estimation of the neuromotor system functional state after sciatic nerve neurorrhaphy in experimental conditions of intravenous laser irradiation of blood
Author(s): N. I. Nechipurenko; Leonid Victorovic Tanin; Ignatii P. Antonov; Lyudmila A. Vasilevskaya; P. A. Vlasyuk
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Paper Abstract

The speckle-optical methods and the methods of electroneuromyography were used to study the myotonus, the contractional activity of leg muscles and the neuromotor system functional state in intact rabbits and 3 months after the sciatic nerve (SN) neurorrhaphy in conditions of intravenous laser irradiation of blood (ILIB). The blood of animals was exposed to laser radiation with the help of a quartz-polymeric light guide, which has been inserted into the earvein the next day after SN stitching. The radiation power at the light guide output was 2-2.5 mW. Two courses of treatment with a two-week interval have been conducted. It has been established from the speckle-optical study data that ILIB increases the contractional activity of skeletal muscles in animals. The ILIB-therapy after the SN neurorrhaphy normalizes the latent period of M-response and neural cation potential. A tendancy has been revealed to an increase in impulse conduction velocity in motor nerve fibers and in maximal amplitude of the neural action potential. Thus, the ILIB-therapy after SN trauma improves the neuromotor system functional state in experimental animals in the early reinnervation period.

Paper Details

Date Published: 3 December 1996
PDF: 9 pages
Proc. SPIE 2922, Laser Applications in Medicine and Dentistry, (3 December 1996); doi: 10.1117/12.260710
Show Author Affiliations
N. I. Nechipurenko, Research Institute of Neurology, Neurosurgery and Physiotherapy (Belarus)
Leonid Victorovic Tanin, Institute of Physics (Belarus)
Ignatii P. Antonov, Research Institute of Neurology, Neurosurgery and Physiotherapy (Belarus)
Lyudmila A. Vasilevskaya, Research Institute of Neurology, Neurosurgery and Physiotherapy (Belarus)
P. A. Vlasyuk, Research Institute of Neurology, Neurosurgery and Physiotherapy (Belarus)


Published in SPIE Proceedings Vol. 2922:
Laser Applications in Medicine and Dentistry
Gregory B. Altshuler; Fausto Chiesa; Herbert J. Geschwind; Raimund Hibst; Neville Krasner; Frederic Laffitte; Giulio Maira; Reinhard Neumann; Roberto Pini; Hans-Dieter Reidenbach; Andre Roggan; Montserrat Serra I Mila, Editor(s)

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