Davies et al identified factors affecting luminal patency of the superficial femoral artery after an intervention to relieve atherosclerotic occlusion. The authors are from the University of Rochester in Rochester, New York.
Factor
Patency Maintained
Re-Occlusion
length of lesion
< 2.0 cm
calcification of lesion
none
diameter of vessel
> 3.5 mm
thrombolytics
not used
smoking habit
nonsmoker
smoker
C-reactive protein
low
total occlusion prior to intervention
present
length of segment stented
> 10 cm
percent residual stenosis
> 30%
tibial runoff
poor
serum creatinine
> 1.3 mg/dL
Age and race were not factors that affected results.
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