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Search Results (2)

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Keywords = Microwave-Assisted Ablation (MWA)

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12 pages, 2812 KiB  
Article
Microwave-Assisted Chemical Ablation (MA-CA): A Novel Microwave-Assisted Tissue Ablation Procedure—Preliminary Assessment of Efficiency
by J. R. Jocelyn Paré, Jacqueline M. R. Bélanger, Gabriel Cormier, Delphine Foucher, Antony Thériault, Jean-Christophe Savoie and Jean-François Rochas
Appl. Sci. 2023, 13(12), 7177; https://doi.org/10.3390/app13127177 - 15 Jun 2023
Cited by 3 | Viewed by 2193
Abstract
Microwave (MW) ablation is becoming a routine technology in the interventional radiology field. A new approach combining MW ablation and chemical ablation is developed in this paper. The rationale for the development of this Microwave-Assisted Chemical Ablation (MA-CA) technology was to improve the [...] Read more.
Microwave (MW) ablation is becoming a routine technology in the interventional radiology field. A new approach combining MW ablation and chemical ablation is developed in this paper. The rationale for the development of this Microwave-Assisted Chemical Ablation (MA-CA) technology was to improve the utility of thermal ablation as a minimally invasive treatment for cancer. The experimental conditions for ex vivo bovine liver samples were: A—100 W (120 s) with no addition of ethanol; B—100 W (30 s), wait (60 s) (no power), and 100 W (90 s) with no addition of ethanol; C—100 W (30 s), wait (60 s), 100 W (30 s), and 100 W (60 s) with the addition of 5 mL ethanol; and D—100 W (30 s), wait (60 s), 100 W (30 s), 0 W (30 s) with the addition of 2.5 mL ethanol, and 100 W (60 s) with the addition of 5 mL ethanol (12,000 Joules Total). The results showed that with the use of ethanol, the ablation zone was enlarged and revealed improved sphericity. This novel combination has greater advantages than either technology individually. The objective is to increase the precision and efficiency of MW ablation and to broaden the range of tissues and pathologies that can be treated using this new approach, and to validate the benefits that arise from combining the advantages of MW and chemical ablation in a relevant setting. Full article
(This article belongs to the Special Issue Innovation in Microwave Technology—A Themed Issue in Memory of Prof. Dr. J. R. Jocelyn Paré, MSM, (1959–2022))
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11 pages, 2106 KiB  
Article
Prediction of Ablation Volume in Percutaneous Lung Microwave Ablation: A Single Centre Retrospective Study
by Anna Maria Ierardi, Pasquale Grillo, Maria Chiara Bonanno, Andrea Coppola, Valentina Vespro, Maria Carmela Andrisani, Davide Tosi, Paolo Mendogni, Sara Franzi, Massimo Venturini and Gianpaolo Carrafiello
Tomography 2022, 8(5), 2475-2485; https://doi.org/10.3390/tomography8050206 - 30 Sep 2022
Cited by 1 | Viewed by 2323
Abstract
Background: Percutaneous Microwave Ablation (MWA) of lung malignancies is a procedure with many technical challenges, among them the risk of residual disease. Recently, dedicated software able to predict the volume of the ablated area was introduced. Cone-beam computed tomography (CBCT) is the imaging [...] Read more.
Background: Percutaneous Microwave Ablation (MWA) of lung malignancies is a procedure with many technical challenges, among them the risk of residual disease. Recently, dedicated software able to predict the volume of the ablated area was introduced. Cone-beam computed tomography (CBCT) is the imaging guidance of choice for pulmonary ablation in our institution. The volumetric prediction software (VPS) has been installed and used in combination with CBCT to check the correct position of the device. Our study aimed to compare the results of MWA of pulmonary tumours performed using CBCT with and without VPS. Methods: We retrospectively reviewed 1-month follow-up enhanced contrast-enhanced computed tomography (CECT) scans of 10 patients who underwent ablation with the assistance of VPS (group 1) and of 10 patients who were treated without the assistance of VPS (group 2). All patients were treated for curative purposes, the maximum axial diameter of lesions ranged between 5 and 22 mm in group 1 and between 5 and 25 mm in group 2. We compared the presence of residual disease between the two groups. Results: In group 1 residual disease was seen in only 1 patient (10%) in which VPS had ensured complete coverage of the tumour. In group 2 residual disease was found in 3 patients (30%). Conclusions: Using this software during MWA of lung malignancies could improve the efficacy of the treatment compared to the conventional only CBCT guidance. Full article
(This article belongs to the Section Cancer Imaging)
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