spine trauma in sports - bone & joint center · • ap, lat, flexion and extension, +/- open...

65
Spine Trauma in Sports Ben Hackett 1/29/16

Upload: others

Post on 27-Sep-2020

2 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Spine Trauma in SportsBen Hackett1/29/16

Page 2: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Disclosures• None

Page 3: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Cervical Spine Injuries• Categories

• Nerve Root or Brachial plexus injuries• Acute cervical sprains/strains• Disk injuries• Cervical fractures and dislocations

Page 4: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Nerve Root Injuries• “stingers” or “burners”• Most common cervical injury in football

• ~8% incidence in college football• Initially complains of total arm weakness, and dysethetic

pain which usually resolves from minutes to 24 hours• Numbness and muscle group weakness may persist.

Page 5: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Nerve Root Injuries• Exam:

• Positive Spurling’s• Weakness:

• Deltoid- C5• Biceps- C6• Triceps- C7• Intrinsic- C8

• Numbness in dermatomal pattern

Page 6: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Nerve Root Injuries• Treatment

• Can return to play when symptoms have resolved and player has full, non-painful ROM

• If player has pain with or limited ROM cervical x-rays should be done to r/o fracture/dislocation

• If neurological symptoms continue for 3-4 weeks EMG/NCV can be done to evaluate function

Page 7: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Acute Cervical Sprain/Strain• Sprain/Strain – injury to the paraspinal

musculotendonous junction• The pain is limited to the cervical spine with ROM

• Does not radiate into arms • Neuro exam is normal

Page 8: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Acute Cervical Sprain/Strain• Treatment

• If athlete has full ROM and no radicular symptoms• Treat with NSAID, and soft collar for comfort• May return to play when pain resolves (2-4 weeks)

• If they have decreased ROM obtain plain films• AP, Lat, Flexion and Extension, +/- open odontiod

• If symptoms persist >4-6 weeks and x-rays are normal, consider MRI to r/o disk injury

Page 9: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury• Spectrum of injuries

• aggravation of degenerative disease • annular tears • herniation

Page 10: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury• Degenerative disease and annular tears

• Axial pain that persists past 4-6 weeks• May take months to calm down• Can be asymptomatic or incidental finding

• Albright et al. found 34% of freshman football recruits had (occult fracture, disk narrowing or degenerative changes)

Page 11: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury

Page 12: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury• Disk herniations

• Symptoms can vary• Axial• Radicular (w/o nerologic findings)• Anterior Cord syndrome (rare)

• Acute paralysis of Upper, Lower or all 4 extremities• Sparing of light touch, vibratory, and proprioception• Loss of pain and temp at level

Page 13: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury• Treatment based of symptoms

• soft collar, traction, NSAIDs, Oral steroids, narcotics, muscle relaxer, gentle manipulation, Epidural stroids

• Most improve with conservative care• Athletes may return to full play when they have full

non-painful range of motion

Page 14: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury• Indications for surgery

• Cord injury• Progressive neurologic loss• Pain not controlled by non-operative measures (6 weeks,

failed 2 epidurals)

Page 15: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury• 45 y/o with 2 week h/o neck and right arm pain sustained

after jumping her mountain bike.• Exam

• decreased ROM (extension limited)• Positive Spurling’s for right C7• Numbness to right middle and index finger• right triceps 4/5

Page 16: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury

Page 17: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury

Page 18: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury

Page 19: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury• Started on Medrol dose pack, Norco, and valium, and

scheduled for Right C7 transformational epidural.• Had 2 epidurals 2 weeks apart• Was back to work with restrictions couple days after first

injection• Strength returned slowly with PT• Back to work without restrictions (prison guard) 4 months

Page 20: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury• 31 y/o soldier with 2 month h/o left C7 radiculopathy,

after getting tackled playing “flag” football• Exam

• decreased ROM (extension limited)• Positive Spurling’s for left C7, and periscapular pain• Numbness to left middle finger• No weakness

Page 21: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury

Page 22: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury

Page 23: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury

Page 24: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury• PT, traction, and oral meds were failing to provide relief• He under went a Left C7 and C8 transforaminal injection

• Good temporary relief, after 2 weeks was 50% better• Was going to be deployed in 3 months to Iraq and did not

want the pain to occur while overseas • Elected to undergo ACDF at C6-7

Page 25: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Intervertebral Disk Injury

Page 26: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Cervical Fracture/Dislocation• Fractures and dislocations again are a spectrum of

injuries • Subluxation w/o fracture or neurologic injury• Fracture-Dislocations with cord injury

• Acutely there is painful ROM and guarding• Immobilize and image.

Page 27: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Cervical Fracture/Dislocation• Over the last 50 years there has been a significant

decrease in morbidity associated with spine fractures due to adherence of spine precautions prior to arriving at the hospital

• Leave all equipment in place• Log roll onto and transfer on back-board

Page 28: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Cervical Fracture/Dislocation• Treatment is based on concept of stability

• Stable – non-operative (immobilization)• Unstable – operative treatment/immobilization

• What constitutes spinal stability is sometimes hard to determine• White et al described stability as “the spines ability to limit it’s

patterns of displacement during physiologic loads to prevent damage or irritation to the spinal cord and nerve roots”

Page 29: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Cervical Fracture/Dislocation• Even among spine surgeons there is controversy• In general instability is present if

• Cord injury• Greater than 3.5mm of displacement in adult spine with

flexion and extension films• Greater than 20 deg in angulation with flexion extension

films (or 11 deg in static lateral)

Page 30: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past
Page 31: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past
Page 32: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Cervical Fracture/Dislocation

• Alanto-occipital dislocation• Not reported in non-vehicular

sports

Page 33: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Cervical Fracture/Dislocation

• C1 or Atlas Fractures • Lateral mass• Anterior and Poterior arch• Jefferson fracture or “C1 Burst”

• Treatment- Halo for 3 months

Page 34: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Cervical Fracture/Dislocation

Page 35: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Cervical Fracture/Dislocation

Page 36: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Cervical Fracture/Dislocation• Reading Open Mouth Odoitoid View

Page 37: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Pre-reduction

Post halo

Page 38: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Cervical Fracture/Dislocation

• C2 fractures• Odontoid fractures• Traumatic Spondylolisthesis

“Hangman’s fracture”• Treatment based on classification

• Hard collar-surgery

Page 39: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Hangman’s fractureClassification• Type I

• Min displaced• <3 mm translation• No angulation of C2• Treat - ridged collar

• Type 2 > 3mm displaced• > 11 deg. Angulation• Treat Halo Vest

• Type 2a C2-3 disk injury• Unstable in traction• Halo

• Type 3 (post C2-3 fusion)• Assoc’d C2-3 facet disloc• Posterior C2-3 fusion

Page 40: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past
Page 41: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Odontoid Fracture• Anderson classification

• Type I: small avulsion off superolateral aspect

• Transverse ligament Avulsion • Type I may also be a sign of

Occipito-cervical dislocation• Collar (isolated)

Page 42: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Odontoid FractureType II: neck fracture

• Halo v.s. Surgery• High non-union rate

Page 43: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Odontoid FractureType III: fracture extends

into body of C2• Halo v.s. collar

Page 44: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Sub Axial Fracture/Dislocation• Sub-Axial spine C3-L5

• cervical spine have higher risk of neurological injury do to decreased canal

• Injury pattern determined by:• The Load (compression/Distraction/Direct blow)• The position of the spine at time load was applied

(flexion/Extension/Rotation)• Again treatment based on stability

• Boney fractures usually heal stable• Ligamentous injuries unstable even after healing

Page 45: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Sub Axial Fracture/Dislocation

Page 46: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Sub-Axial Spine Injuries• Avulsion Fractures

• Eccentric muscle contraction• Spinous Process

• most common in C-Spine• C7 “clay shoveler’s”

• Transverse process• Can also be direct blow in lumbar

• Treat in collar/corset for comfort

Page 47: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Sub-Axial Spine Injuries• Compression Fractures

• Middle column is intact• 30% or less anterior column height

loss is tolerated well• More than 50% loss in cervical

spine is often associated with posterior ligament injury

• Treat in Collar or brace (hyperextension in T or L spine)

Page 48: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Sub Axial Fracture/Dislocation• Burst fractures

• Both middle and anterior column compressed and fractured

• More common in Thoraco-lumbar spine

• Cord injury can occur do to retropulsed bone

• Root injuries due to foraminal stenosis

• Treatment depends on stability

Page 49: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Sub Axial Fracture/Dislocation• Facet Injuries• Usually a combination of

Flexion and distraction• Spectrum from non-displaced

fractures to dislocations• Have pain with palpation of

posterior ligaments

Page 50: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Analysis of lateral C-spine xray• 4 smooth longitudinal

lines• Prevertebral soft tissues

• “6 at 2, 22 at 6”• Must see spine from

occiput to T1• Swimmer’s lateral• CT

Page 51: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Facet Injuries• Non-displaced fractures and unilateral dislocations may

be able to be treated in collar• After pain as resolved after 4-6 weeks Flexion and

extension views will assess stability

Page 52: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Facet Injuries• 72 y/o fell against

kitchen cabnet during an episode of syncope.

• Neurologically intact• Placed in rigid collar• 2 weeks later followed

up in office with complaints of neck and arm pain

Page 53: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Facet Injuries

Page 54: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Facet Injuries• Admitted to hospital• Had an awake

closed reduction• Then fusion

Page 55: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Facet Injuries• 52 y/o had been drinking up north

• (valid Wisconsin sport)• She got up in the middle of the night to use the facilities and

slipped on a rug, flipping over backwards landing on her posterior neck

• She had immediate paralysis and lay there for at least an hours before her friends found her.

Page 56: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Uni lateral Facet dislocation(perched facet)

Page 57: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Uni lateral Facet dislocation(perched facet)• On arrival to Aspirus, she had symptoms of a central cord

injury• Weakness worse in upper extremity than lower• Sensory variable below the level

• Underwent awake closed reduction, and further imaging

Page 58: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Cord contusion and ligament injury

Page 59: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

C5-6 C6-7

Page 60: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Post-Op

Page 61: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Uni lateral Facet dislocation(perched facet)• 3 months after she is able to walk and gross use her

upper extremities • But due to weakness and numbness has difficulties with

fine motor activities with her hands

Page 62: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

Spine Injuries• Serious injury to the spine during sports is uncommon• With improvement in equipment, coaching, and pre-

hospital care the incidence has decreased.

Page 63: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

References• Gill SS, Boden BP. The epidemiology of catastrophic spine injuries in high

school and college football. Sports Med Arthrosc. Mar 2008;16(1):2-6. • Boden BP, Jarvis CG. Spinal injuries in sports. Neurol

Clin. Feb 2008;26(1):63-78; viii.• Clarke KS. Epidemiology of athletic neck injury. Clin Sports

Med. Jan 1998;17(1):83-97. • Maroon JC, Bailes JE. Athletes with cervical spine injury. Spine. Oct

1 1996;21(19):2294-9.• Olympia RP, Dixon T, Brady J, Avner JR. Emergency planning in school-

based athletics: a national survey of athletic trainers. Pediatr Emerg Care. Oct 2007;23(10):703-8.

• Thomas BE, McCullen GM, Yuan HA. Cervical spine injuries in football players. J Am Acad Orthop Surg. Sep-Oct 1999;7(5):338-47.

• Fuller CW, Brooks JH, Kemp SP. Spinal injuries in professional rugby union: a prospective cohort study. Clin J Sport Med. Jan 2007;17(1):10-6.

• Lark SD, McCarthy PW. Cervical range of motion and proprioception in rugby players versus non-rugby players. J Sports Sci. Jun 2007;25(8):887-94.

• Langer PR, Fadale PD, Palumbo MA. Catastrophic neck injuries in the collision sport athlete. Sports Med Arthrosc. Mar 2008;16(1):7-15.

• Villavicencio AT, Hernández TD, Burneikiene S, Thramann J. Neck pain in multisport athletes. J Neurosurg Spine. Oct 2007;7(4):408-13.

Page 64: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

• Bell K. On-field issues of the C-spine-injured helmeted athlete. Curr Sports Med Rep. Jan 2007;6(1):32-5.

• Meyer SA, Schulte KR, Callaghan JJ. Cervical spinal stenosis and stingers in collegiate football players. Am J Sports Med. Mar-Apr 1994;22(2):158-66.

• Weinstein SM. Assessment and rehabilitation of the athlete with a "stinger". A model for the management of noncatastrophic athletic cervical spine injury. Clin Sports Med. Jan 1998;17(1):127-35.

• Warren WL Jr, Bailes JE. On the field evaluation of athletic neck injury. ClinSports Med. Jan 1998;17(1):99-110.

• Torg JS, Ramsey-Emrhein JA. Management guidelines for participation in collision activities with congenital, developmental, or post-injury lesions involving the cervical spine. Clin Sports Med. Jul 1997;16(3):501-30.

• Albright JP, Moses JM, Feldick HG, Dolan KD, Burmeister LF. Nonfatal cervical spine injuries in interscholastic football. JAMA. Sep 13 1976;236(11):1243-5.

• White AA 3rd, Johnson RM, Panjabi MM. Biomechanical analysis of clinical stability in the cervical spine. Clin Orthop. 1975;(109):85-96.

• White AA 3rd, Panjabi MM. Update on the evaluation of instability of the lower cervical spine. Instr Course Lect. 1987;36:513-20.

• Eismont FJ. Point of View regarding Magnetic Resonance Evaluation in Closed Traction Reduction of Cervical Dislocations by Vaccaro. Spine. 1999;24:1217.

Page 65: Spine Trauma in Sports - Bone & Joint Center · • AP, Lat, Flexion and Extension, +/- open odontiod ... • Degenerative disease and annular tears • Axial pain that persists past

• Vaccaro AR, Falatyn SP, Flanders AE, et al. Magnetic resonance evaluation of the intervertebral disc, spinal ligaments, and spinal cord before and after closed traction reduction of cervical spine dislocations. Spine. Jun 15 1999;24(12):1210-7.

• Fehlings MG, Farhadi HF. Cervical stenosis, spinal cord neurapraxia, and the professional athlete. J Neurosurg Spine. Apr 2007;6(4):354-5; discussion 355.

• Torg JS, Pavlov H, Genuario SE. Neurapraxia of the cervical spinal cord with transient quadriplegia. J Bone Joint Surg Am. Dec 1986;68(9):1354-70.

• Herzog RJ, Wiens JJ, Dillingham MF. Normal cervical spine morphometry and cervical spinal stenosis in asymptomatic professional football players. Plain film radiography, multiplanar computed tomography, and magnetic resonance imaging. Spine. Jun 1991;16(6 Suppl):S178-86.

• Epstein JA, Carras R, Hyman RA. Cervical myelopathy caused by developmental stenosis of the spinal canal. J Neurosurg. Sep 1979;51(3):362-7.

• Eismont FJ, Clifford S, Goldberg M. Cervical sagittal spinal canal size in spine injury. Spine. Oct 1984;9(7):663-6.

• Cantu RC. The cervical spinal stenosis controversy. Clin Sports Med. Jan 1998;17(1):121-6.

• Watkins RG. Neck injuries in football players. Clin Sports Med. Apr 1986;5(2):215-46.

• Ellis JL, Gottlieb JE. Return-to-play decisions after cervical spine injuries. Curr Sports Med Rep. Jan 2007;6(1):56-61.

• Davis PM, McKelvey MK. Medicolegal aspects of athletic cervical spine injury. Clin Sports Med. Jan 1998;17(1):147-54.