Hybrid intravenous digital subtraction angiography of the carotid bifurcation

F. H. Burbank, D. Enzmann, G. S. Keyes, W. R. Brody

Research output: Contribution to journalArticlepeer-review


A hybrid digital subtraction angiography technique and noise-reduction algorithm were used to evaluate the carotid bifurcation. Temporal, hybrid, and reduced-noise hybrid images were obtained in right and left anterior oblique projections, and both single- and multiple-frame images were created with each method. The resulting images were graded on a scale of 1 to 5 by three experienced neuroradiologists. Temporal images were preferred over hybrid images (average score = 3.2 and 2.4, respectively). The percentage of nondiagnostic examinations, as agreed upon by two readers, was higher for temporal alone than temporal + hybrid (4 and 1, respectively). In addition, also by agreement between two readers, temporal + hybrid images significantly increased the number of bifurcations seen in two views (87%) compared to temporal subtraction alone (64%).

Original languageEnglish (US)
Pages (from-to)725-729
Number of pages5
Issue number3
StatePublished - 1984
Externally publishedYes

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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