J Trauma
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Data from patients treated in Pennsylvania-accredited trauma centers during 1989 were analyzed. TRISS expected and unexpected survivors (1.6% of all survivors) differed in many ways. Unexpected survivors were more than twice as likely to have been transferred from a nondesignated trauma center (45.8% vs. 22.8%, p < 0.001). ⋯ The percentage of unexpected survivors discharged to rehabilitation centers (61.9%) was significantly greater than that for expected survivors (8.7%), (p < 0.001). Unexpected survivors were more frequently judged "completely dependent" in five measures of functional disability than expected survivors. We conclude that unexpected survivors are a seriously injured and clinically relevant patient set, not just a statistical phenomenon.
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We retrospectively reviewed the medical records, plain films, CT scans and complex-motion tomographic studies (TOMOS) of 216 consecutive patients with cervical injuries to determine the uses and limitations of CT in the evaluation of cervical trauma and the indications, if any, for the continued use of TOMOS in evaluating cervical trauma. There were 453 fractures and 104 subluxations or dislocations of the cervical spine in the 216 patients. Plain films detected 58% (262 of 453) of the fractures and 93% (97 of 104) of the subluxations and dislocations; and 94% (202 of 216) of the patients with abnormalities were identified. ⋯ In the 20 patients who underwent both CT scanning and TOMOS, TOMOS detected more fractures, subluxations, and dislocations than CT scanning. Complex-motion tomographic studies detected atlanto-occipital dislocation and subluxation of the vertebral bodies and fractures of the spinous processes, lateral masses, articular processes, vertebral bodies, and dens better than CT scanning. Although the more routine use of CT scanning in evaluating cervical trauma should increase the detection of cervical abnormalities to near 100%, TOMOS remain the gold standard of diagnosis for atlanto-occipital dislocation, subluxation of the vertebral bodies, and fractures of the lateral masses, articular processes, vertebral bodies, and dens.