Surgical versus nonoperative treatment of asymptomatic carotid stenosis. 290 patients documented by intravenous angiography.

@article{Hertzer1986SurgicalVN,
  title={Surgical versus nonoperative treatment of asymptomatic carotid stenosis. 290 patients documented by intravenous angiography.},
  author={Norman R Hertzer and Rosemary Flanagan and Edwin G. Beven and Patrick J O'hara},
  journal={Annals of surgery},
  year={1986},
  volume={204 2},
  pages={
          163-71
        }
}
From 1980 through 1982, intravenous extracranial digital subtraction angiography (DSA) was performed in 6684 patients at the Cleveland Clinic. Of these, 290 previously unoperated patients had asymptomatic carotid stenosis exceeding 50% of lumen diameter on unequivocal DSA studies. Either the presence or the absence of carotid bruits substantially misrepresented the severity of angiographic stenosis on approximately 30% of sides. Nonoperative management was employed in 195 patients, including… CONTINUE READING

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