USMLE Prep - Medical Reference Library

Traumatic Brain Injury - ICP Management

System: Neurosurgery • Reviewed: Aug 31, 2025 • Step 1Step 2Step 3

Synopsis:

Head elevation, sedation and analgesia, osmotherapy with hypertonic saline or mannitol, ventilation targets, and timely neurosurgical consultation for refractory intracranial hypertension.

Key Points

  • Stabilize ABCs; begin targeted evaluation without delaying life-saving therapy.
  • Use system-specific risk tools to guide testing and disposition.
  • Order high-yield tests first; escalate imaging when indicated.
  • Start evidence-based initial therapy and reassess frequently.

Algorithm

  1. Primary survey and vitals; IV access and monitors.
  2. Focused history/physical; identify red flags and likely etiologies.
  3. Order system-appropriate labs and imaging (see Investigations).
  4. Initiate guideline-based empiric therapy (see Pharmacology).
  5. Reassess response; arrange consultation and definitive management.

Clinical Synopsis & Reasoning

For Traumatic Brain Injury Icp Management, frame the differential by acuity and pathophysiology, then align diagnostics to the leading hypotheses. Prioritize stabilization while obtaining high‑yield studies such as CBC (Baseline hematology), BMP (Electrolytes/renal). Incorporate bedside imaging and targeted labs to define severity and identify complications; synthesize results with clinical trajectory to refine the working diagnosis and disposition needs.


Treatment Strategy & Disposition

Initiate disease‑directed therapy alongside supportive care, titrating to objective response. Pharmacologic options commonly include Analgesia/Antipyretics. Use validated frameworks (e.g., ICP Rescue Tiers) to guide escalation and site of care. Address precipitating factors, de‑escalate empiric therapies with data, and arrange follow‑up for monitoring and risk‑factor modification; admit patients with instability, high risk of deterioration, or needs for close monitoring.


Epidemiology / Risk Factors

  • Risk factors vary by condition and patient profile

Investigations

TestRole / RationaleTypical FindingsNotes
CBCBaseline hematologyAbnormal counts
BMPElectrolytes/renalDerangements

ICP Rescue Tiers

TierExamples
Tier 1Positioning, analgesia, sedation
Tier 2Hypertonic saline or mannitol, CSF drainage
Tier 3Barbiturate coma, decompressive craniectomy

Pharmacology

MedicationMechanismOnsetRole in TherapyLimitations
Hypertonic saline/MannitolOsmotic therapyMinutesICP control (selected)Electrolyte/renal risks
Levetiracetam (prophylaxis)SV2A modulationHoursEarly seizure prophylaxis (selected)Somnolence

Prognosis / Complications

  • Prognosis depends on severity, comorbidities, and timeliness of care

Patient Education / Counseling

  • Explain red flags and when to seek emergent care.
  • Reinforce medication adherence and follow-up plan.

Notes

Avoid prolonged hyperventilation except as a short bridge in herniation. Maintain glucose and temperature control.


References

  1. Brain Trauma Foundation - ICP management — Link
  2. Neurocritical Care Society - TBI guidance — Link