ArticleKorean journal of radiology2023
Comparison of Ablation Performance between Octopus Multipurpose Electrode and Conventional Octopus Electrode.
Article in Korean journal of radiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Adaptive radiofrequency ablation using an Octopus multipurpose electrode for small hepatocellular carcinoma adjacent to critical structures: a prospective single-center pilot feasibility study.Ultrasonography (Seoul, Korea) · 2026Article
- Electrodes of radiofrequency ablation for malignant lung tumors: a narrative review of advances, applications, and prospects.Journal of thoracic disease · 2026Review
- Comparative Outcomes of No-Touch Radiofrequency Ablation Versus Tumor-Puncture Microwave Ablation for Small Hepatocellular Carcinoma.Korean journal of radiology · 2026Article
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo compare Octopus multipurpose (MP) electrodes, which are capable of saline instillation and direct tissue temperature measurement, and conventional electrodes for radiofrequency ablation (RFA) in porcine livers MATERIALS AND
methodsSixteen pigs were used in this study. In the first experiment, RFA was performed in the liver for 6 minutes using Octopus MP electrodes (n = 15 ablation zones) and conventional electrodes (n = 12 ablation zones) to investigate the effect of saline instillation. The ablation energy, electrical impedance, and ablation volume of the two electrodes were compared. In the second experiment, RFA was performed near the gallbladder (GB) and colon using Octopus MP electrodes (n = 12 ablation zones for each) with direct tissue temperature monitoring and conventional electrodes (n = 11 ablation zones for each). RFA was discontinued when the temperature increased to > 60\xe2\x84\x83 in the Octopus MP electrode group, whereas RFA was performed for a total of 6 minutes in the conventional electrode group. Thermal injury was assessed and compared between the two groups by pathological examination.
resultsIn the first experiment, the ablation volume and total energy delivered in the Octopus MP electrode group were significantly larger than those in the conventional electrode group (15.7 ± 4.26 cm
conclusionRFA using the Octopus MP electrodes induced a larger ablation volume and resulted in less thermal injury to the adjacent organs compared with conventional electrodes.
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