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BOAST Guidelines
BOAST (Spine Trauma)
Spine

Assessment of the Spine in the Trauma Patient

Standardised clinical and radiological guidance for evaluating acute blunt spinal trauma, temporary protection, imaging pathways (NICE-aligned CT/MRI), and conservative or surgical treatment planning.

Key standards

  • ›Uniform spinal immobilisation, transfer, and log-roll protocols across the entire regional trauma network.
  • ›Immediate exclusion: penetrating spine trauma mandates urgent direct spine surgery referral.
  • ›Perform thin-slice volumetric CT scanning covering the entire suspect spine in high-energy trauma.
  • ›Obtain early MRI for neurological deficits, indeterminate CT scans, unassessable/obtunded patients, or ankylosing disorders (AS/DISH).
  • ›Preliminary radiology report within 1 hour; formal consultant report within 24 hours of scanning.
  • ›Minimise time on rigid transfer boards and collars to reduce iatrogenic pressure injury once cleared.
  • ›Documented stability assessment (e.g. TLICS / AOSpine) whenever conservative fracture management is chosen.
  • ›Clear, prescriptive instruction regarding spinal orthosis type, wear protocols, weaning, and red-flag escalation.
  • ›Active integration with regional spinal surgery and Spinal Cord Injury Centres for any cord or cauda equina compression.
  • ›Comprehensive patient-facing written discharge summary describing stability, weight-bearing, and follow-up.

Introduction

  • Thoracolumbar and general spinal injuries carry substantial risk of neurological deterioration, deformity, and chronic disability.
  • This standard outlines baseline clinical and imaging pathways across regional trauma networks to promptly identify or clear blunt spinal injuries, preventing secondary harm.
  • Penetrating spinal column trauma confirmed on imaging is excluded and requires urgent direct surgical referral.

Standards

  • Network Protocols: All trauma networks must adopt consistent, evidence-based spinal protection protocols (incorporating rigid collars, manual inline stabilisation, log rolling, and transfer procedures) across pre-hospital services and acute receiving units.
  • Spinal Clearance & Clinical Assessment: Alert, unintoxicated, and asymptomatic trauma patients with no distracting injury who have normal active range of motion and no midline tenderness may be cleared clinically without radiographic imaging.
  • Standard Imaging Pathways: High-energy trauma mechanisms, midline spinal tenderness, or altered neurology mandate cross-sectional imaging, adhering closely to NICE guideline NG41 standards.

Investigation

  • Whole Spine CT: For adult blunt trauma with suspected thoracolumbar injury or where whole-body trauma CT is undertaken, thin-slice volumetric CT reconstruction of the entire spine is the gold standard.
  • Indications for Urgent Spinal MRI:
    • Unexplained, progressive, or fixed neurological deficit (including cord or cauda equina syndromes).
    • Ankylosing conditions (e.g., Ankylosing Spondylitis, DISH) with spinal tenderness or ambiguous CT findings.
    • Obtunded, comatose, or intubated patients where injury cannot be definitively excluded clinically or on CT.
    • Suspected soft-tissue ligamentous injury, posterior tension band disruption, or contraindications to ionising radiation (e.g., pregnancy).
  • Reporting Timelines: Preliminary radiological reporting must be available within 1 hour of imaging, followed by a formal definitive report within 24 hours.

Management

  • Clearance of Precautions: Spinal precautions and hard immobilisation devices must be removed as soon as mechanical and neurological stability is established or excluded to prevent pressure ulceration.
  • Non-Operative Care Documentation: When non-operative treatment is selected for thoracolumbar fractures, the clinical team must formally record the degree of fracture stability, the explicit bracing regimen (orthosis type, duration, hygiene, and fitting precautions), and follow-up plans.
  • Surgical Referrals & Cord Injury: Displaced, translation/rotation, or distraction injuries (AOSpine / TLICS high scores) and those with evolving neurology require urgent referral to regional spinal surgical teams, coordinated under the Traumatic Spinal Cord Injury standard.

Documentation and Governance

  • Formal clinical documentation in the electronic or written health record must detail the exact fracture stability classification, neurological exam, treatment rationales, and structured outpatient surveillance.
  • A designated treatment summary and plan must be communicated to the patient and carers prior to hospital discharge.

Exam-tested points

  • ›Classification systems: Candidates must know TLICS (Morphology, Posterior Ligamentous Complex integrity, Neurological status: <4 non-op, 4 indeterminate, >4 surgical) and the AOSpine Thoracolumbar Classification (Type A compression/burst, Type B tension band disruption, Type C translation/displacement).
  • ›Ankylosing spondylitis / DISH trauma: Low-energy 'ground-level falls' in rigid spines act like long-bone chalk-stick fractures; highly unstable with significant cord morbidity; MRI is mandatory even when CT appears inconclusive.
  • ›Turnaround metrics: Remember the 1-hour preliminary radiology report and 24-hour definitive report requirement for audit questions.
  • ›Burst fracture stability criteria: Differentiate stable vs. unstable burst fractures (loss of vertebral height >50%, local kyphosis >20-30°, canal compromise >50%, or posterior ligamentous complex compromise).
  • ›Pressure sore risk: Emphasise immediate removal of hard backboards and spine boards once in a resuscitation bay; pressure ulcers develop over sacrum and occiput in as little as 2 hours.
  • ›Cord injury triage: For traumatic spinal cord injury (SCI), formal ISNCSCI documentation within 2 hours of admission and immediate notification to the National Spinal Cord Injuries database/network are critical standards.
Official BOA source
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