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J Am Coll Cardiol, 2003; 41:1725-1731, doi:10.1016/S0735-1097(03)00298-5
© 2003 by the American College of Cardiology Foundation
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Intravascular brachytherapy for native coronary ostial in-stent restenotic lesions

Costantino O. Costantini, MD*, Alexandra J. Lansky, MD*,*, Gary S. Mintz, MD, FACC*, Kazuyuki Shirai, MD*, George Dangas, MD, FACC*, Roxana Mehran, MD, FACC*, Martin Fahy, PhD*, Steven Slack, MS*, Maria Coral, MD*, Paul S. Teirstein, MD, FACC*, Ron Waksman, MD, FACC{dagger}, Gregg Stone, MD, FACC*, Jeffrey Moses, MD, FACC* and Martin B. Leon, MD, FACC*

* Cardiovascular Research Foundation, Lenox Hill Hospital, New York, New York, USA
{dagger} Department of Internal Medicine (Cardiology Division) from the Washington Hospital Center, Washington, DC, USA



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Figure 1 Comparison of the angiographic lesion length at baseline and follow-up in gamma-, beta-, and placebo-treated patients. VBT = vascular brachytherapy.

 


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Figure 2 Side branch angiographic diameter stenosis (DS %) post-intervention and at follow-up. White bars = gamma vascular brachytherapy (VBT) (n = 13); striped bars = beta VBT (n = 6); black bars = placebo (n = 21).

 


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Figure 3 Frequency of the proximal radiation fall-off zone occurring or not occurring in the analyzed population. According to the location of the proximal edge of the radiation source in relation to the coronary vasculature, the proximal radiation fall-off zone (represented by the ellipse surrounding the proximal source edge) was either present (right) or not present (left).

 


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Figure 4 Rate of restenosis (RS) occurring at the proximal and distal radiation fall-off zones in gamma-, beta-, and placebo-treated patients. The rates of restenosis where a fall-off of the radiation dose occurs (ellipse surrounding each radiation source edge) are shown in the graphic. Black bars = gamma vascular brachytherapy (VBT); striped bars = beta VBT; black bars = placebo.

 





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