The impact of therapeutic mediastinal radiation on stent healing in cancer patients: An optical coherence tomography study (original) (raw)

Journal of Clinical Oncology, 2020

Abstract

e19096 Background: Cancer is a prothrombotic and proinflammatory state. Understanding stent healing in cancer patients could modify the approach to antiplatelet regimen and facilitate cancer treatment. Mediastinal radiation therapy brings an additional layer of complexity to an already challenging clinical scenario in cancer patients undergoing percutaneous coronary intervention (PCI). We sought to compare stent healing patterns with and without a history of mediastinal radiation therapy using optical coherence tomography (OCT) data. Methods: All cancer patients that underwent PCI and follow-up OCT less than 12 months post-PCI between 2009-2018 were retrospectively identified from our institutional cardiac catheterization laboratory registry. Stent healing, which was defined by a combination of stent and strut coverage, apposition, expansion, in-stent restenosis, and neo-intimal hyperplasia, was compared among 2 groups of oncological PCI patients: those with and without a history of...

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