Depth-resolved mapping of muscular bundles in myocardium pulmonary junction using optical coherence tomography

Zhifang Li; Qinggong Tang; Timm Dickfeld; Yu Chen

doi:10.1117/1.JBO.23.7.076004

6 July 2018 Depth-resolved mapping of muscular bundles in myocardium pulmonary junction using optical coherence tomography

Zhifang Li, Qinggong Tang, Timm Dickfeld, Yu Chen

Author Affiliations +

Journal of Biomedical Optics, Vol. 23, Issue 7, 076004 (July 2018). https://doi.org/10.1117/1.JBO.23.7.076004

Abstract

Atrial fibrillation (AF) is the most common cardiac arrhythmia and has high patient morbidity. One of the root causes of AF is initiating triggers from atrial myocardium extending into the pulmonary veins. Visualizing the muscular bundles of myocardial extension is essential to guide the catheter radio-frequency ablation and confirm the curative tissue necrosis thereafter. We applied optical coherence tomography (OCT) for direct visualization of cardial muscle extension in myocardium pulmonary junction. Two perspectives (cross-sectional and en face images) are presented for imaging myocardial extensions. The results demonstrated that cross-sectional images can quickly locate the myocardium pulmonary junction. And en face images provide depth-resolved arrangement information of muscular bundles in the myocardium pulmonary junction. The results indicated that OCT could potentially be used to guide catheter radio-frequency ablation for treatment of AF.

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Zhifang Li, Qinggong Tang, Timm Dickfeld, and Yu Chen "Depth-resolved mapping of muscular bundles in myocardium pulmonary junction using optical coherence tomography," Journal of Biomedical Optics 23(7), 076004 (6 July 2018). https://doi.org/10.1117/1.JBO.23.7.076004

Received: 6 February 2018; Accepted: 21 June 2018; Published: 6 July 2018

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KEYWORDS

Optical coherence tomography

Photovoltaics

Atrial fibrillation

Binary data

Tissues

Image segmentation

Visualization

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