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82 results for “Thermal ablation”
Hyperspectral Imaging Dataset for Laser Thermal Ablation Monitoring in Vital Organs
<p><strong>Objectives:</strong> The objective of the research was to use hyperspectral imaging (HSI) to detect thermal damage induced in vital organs (such as the liver, pancreas, and stomach) during laser thermal therapy. The experimental study was conducted during thermal ablation procedures on live pigs.</p> <p><strong>Ethical Approval:</strong> The experiments were performed at the Institute for Image Guided Surgery in Strasbourg, France. This experimental study was approved by the local Ethical Committee on Animal Experimentation (ICOMETH No. 38.2015.01.069) and by the French Ministry of Higher Education and Research (protocol №APAFiS-19543-2019030112087889, approved on March 14, 2019). All animals were treated in accordance with the ARRIVE guidelines, the French legislation on the use and care of animals, and the guidelines of the Council of the European Union (2010/63/EU).</p> <p><strong>Description:</strong> During our experimental study, we used a TIVITA hyperspectral camera to acquire hypercubes of size 640x480x100 voxels, indicating 640x480 pixels for 100 bands, and regular RGB images at each acquisition step. These bands were acquired directly from the hyperspectral camera without additional pre-processing. The hypercube was acquired in approximately 6 seconds and synchronized with the absence of breathing motion using a protocol implemented for animal anesthesia. Polyurethane markers were placed around the target area to serve as references for superimposing the hyperspectral images, which were acquired using target areas selected according to the hyperspectral camera manufacturer's guidelines.</p> <p>As part of our investigation, we included hyperspectral cubes from 20 experiments conducted under identical conditions in our study. The hyperspectral cubes were collected in three distinct stages. In the first stage, the cubes were gathered before laparotomy at a temperature of 37°C. In the second stage, we obtained the cubes as the temperature gradually increased from 60°C to 110°C at 10°C intervals. Finally, in the last stage, the cubes were collected after turning off the laser during the post-ablation phase. Thus, we obtained a total of 233 hyperspectral cubes, each consisting of 100 wavelengths, resulting in a dataset of 23,300 two-dimensional images. The temperature changes were recorded, and the “<em>Temperature profile during laser ablation</em>” image illustrates the corresponding profile, highlighting the specific time intervals during which the hyperspectral camera and laser were activated and deactivated. To provide a visual representation of the collected data, we have included several examples of images captured from different organs in the “<em>Examples of ablation areas</em>” figure.</p> <p>The raw dataset, comprising 233 hyperspectral cubes of 100 wavelengths each, was transformed into 699 single-channel images using PCA and t-SNE decompositions. These images were then divided into training and test subsets and prepared in the COCO object detection format. This COCO dataset can be used for training and testing different neural networks.</p> <p><strong>Access to the Study:</strong> Further information about this study, including curated source code, dataset details, and trained models, can be accessed through the following repositories:</p> <ul> <li><strong>Source code:</strong> <a href="https://github.com/ViacheslavDanilov/hsi_analysis" target="_blank" rel="noopener">https://github.com/ViacheslavDanilov/hsi_analysis</a></li> <li><strong>Dataset:</strong> <a href="https://doi.org/10.5281/zenodo.10444212" target="_blank" rel="noopener">https://doi.org/10.5281/zenodo.10444212</a></li> <li><strong>Models:</strong> <a href="https://doi.org/10.5281/zenodo.10444269" target="_blank" rel="noopener">https://doi.org/10.5281/zenodo.10444269</a></li> </ul>
Analgesic Effect of Ketamine in Patients Undergoing Hysteroscopic Endometrial Thermal Ablation Surgery
ClinicalTrials.gov study NCT01106846. IPD Sharing: Not stated. Countries: 1. Publications: 9.
Bronchoscopic Thermal Vapor Ablation (BTVA) for Lung Volume Reduction
ClinicalTrials.gov study NCT01041586. IPD Sharing: Not stated. Countries: 1. Publications: 2.
A Pilot Study to Assess Treatment of Patients With Homogeneous Emphysema Using Sequential Segmental Bronchoscopic Thermal Vapor Ablation (NEXT STEP)
ClinicalTrials.gov study NCT03670121. IPD Sharing: NO. Countries: 1. Publications: 1.
Evaluation of the Functional Outcomes After Bilateral, 3D Ultrasound-guided Focal Thermal Ablation of the Prostate Transition Zone, in Patients with Benign Prostatic Hyperplasia-related Obstruction
ClinicalTrials.gov study NCT06212453. IPD Sharing: NO. Countries: 1. Publications: 6.
Thermal Ablation of Cervical Metastases From Thyroid Carcinoma
ClinicalTrials.gov study NCT04522570. IPD Sharing: YES. Countries: 1. Publications: 9.
Thermal Ablation Followed by Immunotherapy for HCC
ClinicalTrials.gov study NCT03864211. IPD Sharing: Not stated. Countries: 1. Publications: 6.
Knee Genicular Nerve Ablation by Thermal Radiofrequency vs Thermal Radiofrequency Plus Alcohol Neurolysis
ClinicalTrials.gov study NCT05980338. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Cervical Cancer Elimination -Using Implementation Science to Evaluate Deliver and Cost Introduction of Thermal Ablation
ClinicalTrials.gov study NCT05472311. IPD Sharing: NO. Countries: 1. Publications: 2.
Retrospective Review of Saphenous Vein Incompetence: Venaseal Versus Endovenous Thermal Ablation
ClinicalTrials.gov study NCT04006184. IPD Sharing: NO. Countries: 1. Publications: 0.
Evaluating Thermal Ablation in the Treatment of Cervical Neoplasia
ClinicalTrials.gov study NCT05211271. IPD Sharing: NO. Countries: 1. Publications: 1.
Prevalence and Predictors of Esophageal Thermal Lesions in High-power-Short-duration Ablation of Atrial Fibrillation
ClinicalTrials.gov study NCT05709756. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Effect of Short-term Compression Therapy After Thermal Ablation for Varicose Veins
ClinicalTrials.gov study NCT05840991. IPD Sharing: NO. Countries: 1. Publications: 1.
Recurrences After Standard EMR vs Plus Thermal Ablation EMR
ClinicalTrials.gov study NCT05121805. IPD Sharing: NO. Countries: 1. Publications: 1.
COLLISION Trial - Colorectal Liver Metastases: Surgery vs Thermal Ablation
ClinicalTrials.gov study NCT03088150. IPD Sharing: UNDECIDED. Countries: 1. Publications: 2.
Fusion Guided Thermal Ablation Combined With External Beam Radiation for Hepatic Neoplasms
ClinicalTrials.gov study NCT01862718. IPD Sharing: UNDECIDED. Countries: 1. Publications: 3.
Anti-PD-1therapy Combined With Thermal Ablation for Advanced HCC
ClinicalTrials.gov study NCT03939975. IPD Sharing: NO. Countries: 1. Publications: 1.
PREservation Versus Thermal Ablation
ClinicalTrials.gov study NCT04034329. IPD Sharing: YES. Countries: 1. Publications: 7.
Pilot Study Evaluating the Toray Satake Balloon Thermal Ablation System for Treatment of Paroxysmal Atrial Fibrillation
ClinicalTrials.gov study NCT01997736. IPD Sharing: NO. Countries: 1. Publications: 2.
Randomised Trial Comparing Thermal Ablation With Adrenalectomy in the Treatment of Unilateral Asymmetric PA
ClinicalTrials.gov study NCT05405101. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
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