Adjacent Level Ligamentous Injury Associated with Traumatic Cervical Spine Fractures: Indications for Imaging and Implications for Treatment
Abstract
Magnetic resonance imaging (MRI) is a vital tool for detection of soft tissue injury (STI) after cervical spine injury (CSI). However, high cost, prolonged imaging time, and limited use in hemodynamically unstable patients necessitates that the utility of MRI in all patients with CSI be scrutinized. A retrospective review was performed of all patients treated for a CSI at a Level I trauma center between 2005 and 2010. Patient demographics, fracture characteristics, and associated STIs were collected. STIs were classified further into same level ligamentous injury, adjacent level ligamentous injury (ALLI), cord contusion, and traumatic herniated disc. ALLI was defined as anterior or posterior longitudinal ligament, ligamentum flavum, or supraspinous or interspinous ligamentous injury. MRI was performed in 240 of 787 patients. Evidence of STI was identified in 54.6%. ALLI was the most common STI (80 of 240 patients); these injuries were subdivided into above, below, or both above and below the concurrent fracture level. Patients with ALLI were significantly more likely to have injured C3 (P < 0.01) and C5 (P < 0.03) levels, association with widened disc space (P = 0.03), and multiple CSIs (P = 0.008). The whole ALLI was included ...Continue Reading
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