18: Spinal Cord Injury - Thompson Flashcards
avg age spinal cord injury
42
80% male
*** LMN injuries
- decreased reflexes
- decreased tone
- muscle atropy
*** UMN injuries
- spasticity
- increased tone
- increased reflexes
how many bones in spinal tract?
33
*** brown-sequard syndrome:
ipsilateral paresis
loss of vibrationand proprioception
contralateral loss pain and temp
anterior v. central cord
paralysis below lesion with loss of pain/temp
corticospianl tract injury; worse upper extremities than lower; some loss pain temp
***describe cauda equina
from peripheral n. injury
motor/sensory loss LE
bowel bladder dysfunction
saddle anesthesia
*this is an emergency
“concussion to spine”
spinal shock
flaccid paralysis, areflexia, lss sphincter tone, priapism, incontinence
resolves in 24 hrs
neurogenic shock
loss of sympathetic tone
hyptensive and bradycardia (instead of tachycardia)
flushed dry warm
urinary retention
more common in injuries above T6
***keep them or get them off the board?
off the board - use it for transport only
___ of unconscious MVCs or falls have major cspine injury
10%
assume they have one until you can rule it out
*** NEXUS Criteria
clearing a c-spine after trauma
- no bony tenderness
- no neuro deficits
- no intox
- no altered level of consciousness
- no distracting injuries
an intubated trauma pt has incidence of ___ likely to miss on xrays
10% chance c spine injry
get the CT scan
if prevertebral space is widened …
hematoma secondary to fx
*** very common with calcaneal fractures
L spine injury
transverse fractures of L1 associated with renal injury
“scotty dog” in oblique view
spondlolysis
genetic
*** chance fracture
- horizontal fx through spinous process, lamina, pedicle and vertebral body
50% have organ involvement
usually a seatbelt injury
____ of calcaneal fx have associated lumbar
10%
26% other injury
check UA (blood) if suspicious
***hypertrophic skin changes and hypertrophic nail changes
higher the lesion/longer injury
risk for pressure ulcers, DVT
____ of peds spinal injury have spinal cord injury without radiographic abnormalilty
25-50%
vertebral bodies are displaced, then return inot place so not visible on xray
weak, burning, paresthesia