• This study attempts to assess the impact of computerized cranial tomography (CT) on clinical practice in a veterans hospital. A CT scan could be performed only if there existed a reasonable potential for the results to affect the patient's clinical course. We document many instances of how the 163 CT scans obtained during a one-year period aided patients. We quantitated one beneficial aspect by estimating the major neuroradiologic contrast procedures obviated by CT scan. Case-by-case review indicates 70 cerebral arteriograms and 58 pneumoencephalograms would have been performed had CT scanning not been available.
Freemon FR, Allen JH, Duncan GW, Randle GP. Controlled Use of Cranial Computerized Tomography. Arch Neurol. 1978;35(3):129–132. doi:10.1001/archneur.1978.00500270011003
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