Abstract:
:Somatosensory evoked potentials (SEPs) and neurogenic-motor evoked potentials (NMEPs) were recorded after overdistraction of the spinal cord at T5-T6, T12-L1, or L3-L4. Measures of spinal cord perfusion and clinical status were also administered. Results indicated that stiffer spinal segments allowed less distraction than more flexible segments. SEPs and NMEPs were lost quickly after overdistraction in stiff segments and slowly in more flexible segments. However, SEPs were less sensitive than NMEPs to effects from overdistraction. Spinal cord perfusion and integrity were consistent with reduced perfusion and structural damage after overdistraction in stiff segments; extremely reduced perfusion but no structural changes in more flexible segments. The application of these results to the clinical situation was provided.
journal_name
Spine (Phila Pa 1976)journal_title
Spineauthors
Owen JH,Naito M,Bridwell KHdoi
10.1097/00007632-199009000-00003subject
Has Abstractpub_date
1990-09-01 00:00:00pages
852-7issue
9eissn
0362-2436issn
1528-1159journal_volume
15pub_type
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