TITLE

ELECTRONEUROGRAPHY IN INTERMITTENT CLAUDICATION DUE TO OBLITERATIVE ARTERIOSCLEROSIS

AUTHOR(S)
Kumlin, T.; Seppäläinen, A. M.; Railo, J.
PUB. DATE
June 1974
SOURCE
Angiology;Jun1974, Vol. 25 Issue 6, p373
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Studies on electromyographic changes in the lower limbs have been published in connection with obliterative arterial changes, because the blood supply of the sciatic nerve and its branches has its origin in the common iliac artery. Previous studies have dealt with maximal motor conduction and no differences have been shown in the conduction velocity of the femoral nerve between ischaemics and controls. The authors examined 18 patients with intermittent claudication due to obliterative arteriosclerosis, and 18 age-matched controls. On five of the patients either a thrombendarterectomy or a by-pass reconstruction was performed; these patients were examined again postoperatively. The maximal motor conduction velocities (MCV) of the deep peroneal and the posterior tibial nerve were measured as well as the conduction velocity of the slower fibers (CVSF) of the former. As a group the claudication patients differed from normal age-matched controls in regard to the CVSF of the lateral popliteal nerve and in regard to the total sum of conduction velocities of the nerves in lower extremities. When individual patients were surveyed, it was noted that 6 out of 18 had slight damage in at least two peripheral nerves, and only five of them had all their conduction velocities within the range of normal controls. Operative correction of the arterial circulatory deficit improved nervous function as indicated by the improvement of conduction velocities. The site of obstruction did not exhibit a statistically significant correlation to conduction velocities. Our findings, especially the slowing of the CVSF of the deep peroneal nerve, would suggest partial demyelination of a motor nerve in these patients.
ACCESSION #
16360077

 

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