Large interindividual and intraindividual variations in carotid bifurcation anatomy exist, which may serve as a risk factor for atheroma development.
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May link carotid bifurcation geometry to atheroma risk; hypothesis-generating and requires prospective validation.
We found large interindividual differences in carotid bifurcation anatomy. For example, there was 4-fold variation of the ratio of outflow to inflow area. Intraindividual variation was also considerable. These data highlight the potential importance of anatomic variation as a risk factor for atheroma and provide a firm basis for flow modeling studies.
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Schulz et al. (2001) studied this question.
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