Abstract:
:Double level compression of nerve roots has been known to exist for a long time, but only in recent years the clinical significance of such conditions has been discussed. In the current study, nerve root function in double level compression was analyzed by measurements of tail muscle electromyogram, after stimulations of 1) the intermediate segment between the compression sites and 2) cranial to the two compression sites in a pig model. The electromyogram-amplitudes were more reduced after intermediate, than cranial stimulation. This difference was suggested to be based on an additional increasing threshold to elicit an action potential within the intermediate segment due to a nutritional deficit at this location. The results further stress the importance of local changes within the intermediate segment in double level nerve root compression.
journal_name
Spine (Phila Pa 1976)journal_title
Spineauthors
Matsui H,Olmarker K,Cornefjord M,Takahashi K,Rydevik Bdoi
10.1097/00007632-199209000-00011keywords:
subject
Has Abstractpub_date
1992-09-01 00:00:00pages
1075-8issue
9eissn
0362-2436issn
1528-1159journal_volume
17pub_type
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