Open AccessIntravascular optical coherence tomography measurement of size and apposition of metallic stents
Author(s) -
Sahar Elahi,
Marc D. Feldman,
Jouke Dijkstra,
Thomas E. Milner
Publication year - 2013
Publication title -
biomedical optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.362
H-Index - 86
ISSN - 2156-7085
DOI - 10.1364/boe.4.001876
Subject(s) - apposition , optical coherence tomography , stent , optics , biomedical engineering , materials science , radiology , medicine , anatomy , physics
Effect of beam size and catheter position on the apparent size and apposition of metallic stent struts in IVOCT images were examined. Micro-CT data was employed to determine light - stent strut interactions. Simulated results suggest that location of the reflecting regions depend on relative orientation and position of stent struts to the IVOCT beam. Erroneous stent apposition measurements can occur when the IVOCT catheter is at an eccentric position. A method that mitigates stent strut apposition measurement errors is proposed.