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Table 2 Cervical spine instability studies in obtunded/comatose blunt trauma patients with no apparent spinal deficit and negative comprehensive cervical spine CT scans

From: Risks associated with magnetic resonance imaging and cervical collar in comatose, blunt trauma patients with negative comprehensive cervical spine computed tomography and no apparent spinal deficit

Study

Prospective

LI/instability assessment

Mental status

Adams, et al. (2006) [22]

No

MRI in all patients

Obtunded

Brohi, et al. (2005) [3]

Yes

MRI and/or clinical follow-up in all patients

Coma

Como, et al. (2007) [23]

Yes

MRI in all patients

Coma

Ghanta, et al. (2002) [24]

No

MRI in all patients

Obtunded

Menaker, et al. (2008) [25]

No

MRI in all patients

Obtunded

Sarani, et al. (2007) [26]

No

MRI in all patients

Obtunded

Schuster, et al. (2005) [27]

No

MRI in all patients

Coma

Stassen, et al. (2006) [28]

No

MRI in all patients

Coma

Stelfox, et al. (2007) [18]

Yes

MRI, flexion/extension radiographs, and/or clinical follow-up in all patients

Obtunded

Widder et al. (2004) [29]

Yes

Clinical follow-up in-hospital and post-discharge

Coma

  1. CT, computed tomography; LI, ligamentous injury; MRI, magnetic resonance imaging.