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Routinely repeated computed tomography after blunt head trauma: does it benefit patients?
Krista L Kaups1, James W Davis, Steven N Parks
1Department of Surgery, 4th Floor, University Medical Center, 445 South Cedar Avenue, Fresno, CA 93702, USA. kaups@ucsfresno.edu
The Journal of Trauma
|May 7, 2004
Summary
Routine repeat head CT scans after blunt head trauma do not change patient management when performed without clinical indicators. These scans are unnecessary and do not improve outcomes for patients with head injuries.
Area of Science:
- Neurosurgery
- Emergency Medicine
- Radiology
Background:
- Head CT (HCT) is crucial for diagnosing head injuries.
- The value of routine follow-up HCT in blunt head trauma lacks definition.
- Unindicated repeat HCT does not aid patient care, even with severe brain injury.
Purpose of the Study:
- To evaluate the utility of routine repeat head CT scans in blunt head trauma patients.
- To determine if unindicated repeat HCT scans influence patient management or outcomes.
Main Methods:
- Retrospective review of trauma registry data (2002-2007).
- Included patients with severe blunt head injury (AIS > or = 3) requiring ICU admission and repeat HCT for follow-up.
- Excluded patients with initial craniotomy, repeat HCT >72 hours post-initial, or HCT for clinical indications.
Main Results:
- 462 patients met criteria; average age 36, mean GCS 9.
- Repeat HCT showed worsening in 18.4% (85/462) of patients.
- Only 16 patients had interventions, all with clinical indicators (coagulopathy, hypotension, decreased GCS, or elevated ICP).
Conclusions:
- Repeat head CT scans are unnecessary in blunt head trauma patients without clinical indicators.
- Routine follow-up HCT does not alter patient management or improve outcomes.
- Clinical assessment remains paramount for guiding repeat imaging decisions.