AI Article Synopsis
- * Researchers processed human heart tissue for imaging using a special technique and analyzed the 3D images to identify myocyte structures and morphology, revealing a mix of highly organized and more disordered regions.
- * The findings suggest that the RVOT/RV tissue structures are related to known sources of arrhythmias, providing insights that could improve clinical approaches to treatment, like radiofrequency ablation.
Article Abstract
The right-ventricular (RV) outflow tract (RVOT) and the transition to the RV free wall are recognized sources of arrhythmia in human hearts. However, we do not fully understand myocardial tissue structures in this region. Human heart tissue was processed for optical clarity, labelled with wheat-germ agglutin (WGA) and anti-Cx43, and imaged on a custom-built line scanning confocal microscope. The 3D images were analyzed for myocyte gross structures and cell morphology. There were regions of high organization as well as rapid changes to more heterogeneous regions. Preliminary cell segmentations were used to estimate cell morphology. Observed RVOT/RV structure is consistent with known arrhythmic substrates.Clinical Relevance- New views of human tissue structure enable clearer clinical understanding of arrhythmogenic activation pathways and targets for invasive treatment such as RF ablation.
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| http://dx.doi.org/10.1109/EMBC40787.2023.10340357 | DOI Listing |
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