Harteveld, M.S.

stent radiation artery half-radioactive control strut effect tissue figure half-radioactive stents circulation animal neointimal response study 12 weeks restenosi balloon low-dose injury implantation proliferation van der giessen control stents stent implantation diameter tissue response artery disease balloon angioplasty nonradioactive ␤- particle – intima-media border zone transition eur heart j extracellular matrix angioplasty lumen diameter low-dose radiation stent struts heart falloff giessen lumen midstent cardiol angiography angiographic material stenting halfradioactive stents analysis disease ad den boer segment transition zone proteinaceous material neointimal thickness follow-up 300 mg aspirin al edge effect hyperplasia endovascular neointimal volume dose falloff granulation tissue intracoronary radiation therapy j cardiol stent strut length stented edge effect thickness 4 weeks p ͻ0.05 2- way anova edge restenosis neointimal hyperplasia nonradioactive control stents stent injury combination