Abstract
Excellent coverage of the literature complements the authors' experiences with carotid angiography in 216 cases of head injury. These emphasize their contention that if the patient's condition permits, angiography is more valuable than exploratory burr holes. Three serial films in biplane views were taken with separate carotid injections; others were taken when the circulation was slowed. These permitted demonstration that lack of filling of intracranial arteries after head injury (assuming proper needle placement) was due not to spasm or occlusion but to very delayed circulation. There are numerous well-reproduced angiograms (black and white reversed) illustrating the usual biconvex shape of epidural hematomas, the sickle shape of acute subdural hematomas, the planoconvex shape of subacute hematomas, and the rare acute subdural hydroma with sickle-shaped avascular area and preservation of cortical surface contour. Contusion, interhemispheral hematoma, sagittal sinus displacement with epidural hematoma, carotid-cavernous fistula, tramautic meningeal and cerebral aneurysms, and posttraumatic thrombosis
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