ArticleJournal of biophotonics2024
Cardiac-gated spectroscopic photoacoustic imaging for ablation-induced necrotic lesion visualization.
Article in Journal of biophotonics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
8 citing papers in PubMed.
- Robot-assisted minimally invasive photoacoustic imaging for monitoring liver ablation using diffusing fiber illumination.Journal of biomedical optics · 2026Article
- In-bore MRI-compatible transrectal ultrasound and photoacoustic imaging.Photoacoustics · 2025Article
- Spectroscopic photoacoustic denoising framework using hybrid analytical and data-free learning method.Photoacoustics · 2025Article
- Miniaturized side-firing intracardiac photoacoustic imaging catheter for monitoring radiofrequency ablation.Scientific reports · 2025Article
- Intraoperative Ablation Control Based on Real-Time Necrosis Monitoring Feedback: Numerical Evaluation.Annals of biomedical engineering · 2024Article
- Ultrasound and Photoacoustic Imaging for the Guidance of Laser Ablation Procedures.Sensors (Basel, Switzerland) · 2024Review
- High-contrast spectroscopic photoacoustic characterization of thermal tissue ablation in the visible spectrum.Ultrasonography (Seoul, Korea) · 2023Article
- Absolute Quantitative Photoacoustic Imaging for Contrast Agents Concentration Estimation Using a Spectral Decomposition Approach.Molecular imagingArticle
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
Radiofrequency (RF) ablation is a minimally invasive therapy for atrial fibrillation. Conventional RF procedures lack intraoperative monitoring of ablation-induced necrosis, complicating assessment of completeness. While spectroscopic photoacoustic (sPA) imaging shows promise in distinguishing ablated tissue, multi-spectral imaging is challenging in vivo due to low imaging quality caused by motion. Here, we introduce a cardiac-gated sPA imaging (CG-sPA) framework to enhance image quality using a motion-gated averaging filter, relying on image similarity. Necrotic extent was calculated based on the ratio between spectral unmixed ablated tissue contrast and total tissue contrast, visualizing as a continuous color map to highlight necrotic area. The validation of the concept was conducted in both ex vivo and in vivo swine models. The ablation-induced necrotic lesion was successfully detected throughout the cardiac cycle through CG-sPA imaging. The results suggest the CG-sPA imaging framework has great potential to be incorporated into clinical workflow to guide ablation procedures intraoperatively.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.