Clinical orthopaedics and related research
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Clin. Orthop. Relat. Res. · Aug 1999
Cervical flexion and extension radiographs in acutely injured patients.
Flexion and extension lateral radiographs of the cervical spine may suggest signs of ligamentous and soft tissue injuries in a potentially unstable spine. However, patients with acute injuries and severe pain and muscle spasms may not be able to move their necks effectively, severely compromising the diagnostic yield of the radiographs. In addition, there are reports of serious neurologic injuries occurring with the use of these radiographs in acutely injured patients. ⋯ Of the 290 flexion and extension radiographs, 97 (33.5%) of them showed such little or inadequate flexion or extension movement that cervical stability could not be assessed. Flexion and extension cervical radiographs should not be obtained routinely in the emergency department because 1/3 of these studies will be inadequate because of pain and muscle spasms experienced by patients. Patients with cervical injuries may not be able to fully flex and extend their necks; this may lead to false reassurance to patients who actually have had an inadequate study to diagnose potential instability.
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Treatment results of antegrade locked nailing of acute humeral shaft fractures, including union rate and recovery of shoulder function, have been inconsistent. This led the current authors to hypothesize that implant design and surgical techniques might account for this inconsistency. In the current study, 47 fractures (38 acute; nine pathologic) in 47 patients achieved union with the techniques of closed nailing, short to long segment nailing, and fracture compression. ⋯ Complications included slipout of the proximal screw, nail breakage, fragment displacement, and transient postoperative radial nerve palsy. All nine patients with pathologic fractures had substantial pain relief and increased arm function after surgery. The current study shows the reliability of antegrade locked nailing for proximal and middle third fractures of the humeral shaft.