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Mechanisms and methods to resolve edge effect
Pramod Kuchulakanti1, Robert Lew, Ron Waksman
1Division of Cardiology, Washington Hospital Center, Washington, DC 20010, USA. ron.waksman@medstar.ne
Abstract:
Vascular brachytherapy (VBT) has established itself as a viable modality to treat in-stent restenosis (ISR). The problems associated with VBT have been understood well and remedied. Late thrombosis has been overcome to a great extent by prolonged antiplatelet therapy. Edge effect is another important limitation of VBT and is due to inadequate radiation coverage of the edges following VBT. It may be overcome by confining injury to the lesion segment and extending the radiation sources by a few millimeters from the injured segment.
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