INTRODUCTION AND OBJECTIVES: The development of second-generation optical coherence tomography (i.e. Fourier domain optical coherence tomography, FD-OCT) has made it possible to perform high speed pullbacks during image acquisition without the need for transient occlusion of the coronary artery. The objective of this study was to assess the reproducibility of FD-OCT systems for characterizing plaque and evaluating stent implantation in patients undergoing a percutaneous coronary intervention. METHODS: The study included 45 patients scheduled for percutaneous coronary intervention who were enrolled between May and December 2008. Image acquisition was performed by FD-OCT using a non-occlusive technique and employing pullback speeds ranging from 5 to 20 mm/s. Interstudy, interobserver and intraobserver reproducibility of plaque characterization and stent analysis were assessed. RESULTS: Fourier domain imaging was successfully performed in all patients (n=45). The average flush rate was 3+/-0.4 mL/s and the contrast volume per pullback was 16.1+/-3.5 mL. The mean pullback duration and length were 3.2+/-1.2 s and 53.3+/-12.4 mm, respectively. The interstudy reproducibility for visualizing edge dissection, tissue prolapse, intrastent dissection and malapposition was excellent (k=1). The kappa values for interstudy, interobserver and intraobserver agreement on plaque characterization were 0.92, 0.82 and 0.95, respectively. CONCLUSIONS: A second-generation OCT system (i.e. FD-OCT) involving high-speed data acquisition demonstrated good interstudy, interobserver and intraobserver reproducibility for characterizing plaque and evaluating stent implantation in patients undergoing a percutaneous coronary intervention.
INTRODUCTION AND OBJECTIVES: The development of second-generation optical coherence tomography (i.e. Fourier domain optical coherence tomography, FD-OCT) has made it possible to perform high speed pullbacks during image acquisition without the need for transient occlusion of the coronary artery. The objective of this study was to assess the reproducibility of FD-OCT systems for characterizing plaque and evaluating stent implantation in patients undergoing a percutaneous coronary intervention. METHODS: The study included 45 patients scheduled for percutaneous coronary intervention who were enrolled between May and December 2008. Image acquisition was performed by FD-OCT using a non-occlusive technique and employing pullback speeds ranging from 5 to 20 mm/s. Interstudy, interobserver and intraobserver reproducibility of plaque characterization and stent analysis were assessed. RESULTS: Fourier domain imaging was successfully performed in all patients (n=45). The average flush rate was 3+/-0.4 mL/s and the contrast volume per pullback was 16.1+/-3.5 mL. The mean pullback duration and length were 3.2+/-1.2 s and 53.3+/-12.4 mm, respectively. The interstudy reproducibility for visualizing edge dissection, tissue prolapse, intrastent dissection and malapposition was excellent (k=1). The kappa values for interstudy, interobserver and intraobserver agreement on plaque characterization were 0.92, 0.82 and 0.95, respectively. CONCLUSIONS: A second-generation OCT system (i.e. FD-OCT) involving high-speed data acquisition demonstrated good interstudy, interobserver and intraobserver reproducibility for characterizing plaque and evaluating stent implantation in patients undergoing a percutaneous coronary intervention.
Authors: Max L Olender; Lambros S Athanasiou; Jose M de la Torre Hernandez; Eyal Ben-Assa; Farhad Rikhtegar Nezami; Elazer R Edelman Journal: IEEE Trans Med Imaging Date: 2018-11-29 Impact factor: 10.048
Authors: Melissa J Suter; Manabu Kashiwagi; Kevin A Gallagher; Seemantini K Nadkarni; Nayan Asanani; Atsushi Tanaka; Gerard B Conditt; Armando Tellez; Krzysztof Milewski; Greg L Kaluza; Juan F Granada; Brett E Bouma; Guillermo J Tearney Journal: Int J Cardiovasc Imaging Date: 2015-04-29 Impact factor: 2.357
Authors: Pengfei Zhang; Robert J Zawadzki; Mayank Goswami; Phuong T Nguyen; Vladimir Yarov-Yarovoy; Marie E Burns; Edward N Pugh Journal: Proc Natl Acad Sci U S A Date: 2017-03-20 Impact factor: 11.205
Authors: Enric Domingo; Juan C Grignola; Rio Aguilar; María Angeles Montero; Christian Arredondo; Manuel Vázquez; Manuel López-Messeguer; Carlos Bravo; Nadia Bouteldja; Cristina Hidalgo; Antonio Roman Journal: Open Respir Med J Date: 2013-04-05