Radiofrequency Ablation: Simultaneous Application of Multiple Electrodes via Switching Creates Larger, More Confluent Ablations than Sequential Application in a Large Animal Model

Journal of Vascular and Interventional Radiology

Volumn 20, Issue 1, 2009, Pages 118-124

  Brace, Christopher L ^a   Sampson, Lisa A ^a   Hinshaw, J Louis ^a   Sandhu, Neil ^a   Lee Jr , Fred T ^a  

^a University of Wisconsin Health   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANIMAL TISSUE; ARTICLE; CONTROLLED STUDY; ELECTRODE; EX VIVO STUDY; FEMALE; IN VIVO STUDY; INTERMETHOD COMPARISON; NONHUMAN; PRIORITY JOURNAL; RADIOFREQUENCY ABLATION; TEMPERATURE SENSITIVITY;

ALGORITHMS; ANIMALS; CATHETER ABLATION; CATTLE; COLD TEMPERATURE; ELECTRODES; EQUIPMENT DESIGN; FEMALE; ISCHEMIA; LIVER; MODELS, ANIMAL; SUS SCROFA; TIME FACTORS;

EID: 57849157754     PISSN: 10510443     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jvir.2008.09.021     Document Type: Article

References (18)

1. Cantwell C.P., O'Byrne J., and Eustace S. Radiofrequency ablation of osteoid osteoma with cooled probes and impedance-control energy delivery. AJR Am J Roentgenol 186 (2006) S244-S248
2. Gervais D.A., McGovern F.J., Arellano R.S., et al. Radiofrequency ablation of renal cell carcinoma. I. Indications, results, and role in patient management over a 6-year period and ablation of 100 tumors. AJR Am J Roentgenol 185 (2005) 64-71
3. Lencioni R., Cioni D., Crocetti L., et al. Early-stage hepatocellular carcinoma in patients with cirrhosis: long-term results of percutaneous image-guided radiofrequency ablation. Radiology 234 (2005) 961-967
4. Rose S.C., Thistlethwaite P.A., Sewell P.E., et al. Lung cancer and radiofrequency ablation. J Vasc Interv Radiol 17 (2006) 927-951
5. Dodd III G.D., Frank M.S., Aribandi M., et al. Radiofrequency thermal ablation: computer analysis of the size of the thermal injury created by overlapping ablations. AJR Am J Roentgenol 177 (2001) 777-782
6. Rewcastle J.C., Sandison G.A., Muldrew K., et al. A model for the time dependent three-dimensional thermal distribution within iceballs surrounding multiple cryoprobes. Med Phys 28 (2001) 1125-1137
7. Laeseke P.F., Frey T.M., Brace C.L., et al. Multiple-electrode radiofrequency ablation of hepatic malignancies: initial clinical experience. AJR Am J Roentgenol 188 (2007) 1485-1494
8. Vogl T.J., Straub R., Zangos S., et al. MR-guided laser-induced thermotherapy (litt) of liver tumours: experimental and clinical data. Int J Hyperthermia 20 (2004) 713-724
9. Laeseke P.F., Sampson L.A., Haemmerich D., et al. Multiple-electrode radiofrequency ablation creates confluent areas of necrosis: in vivo porcine liver results. Radiology 241 (2006) 116-124
10. Wright A.S., Lee F.T.J., and Mahvi D.M. Hepatic microwave ablation with multiple antennae results in synergistically larger zones of coagulation necrosis. Ann Surg Oncol 10 (2003) 275-283
11. Brace C.L., Laeseke P.F., Sampson L.A., et al. Microwave ablation with multiple simultaneously powered small-gauge triaxial antennas: results from an in vivo swine liver model. Radiology 244 (2007) 151-156
12. Lee F.T.J., Haemmerich D., Wright A.S., et al. Multiple probe radiofrequency ablation: pilot study in an animal model. J Vasc Interv Radiol 14 (2003) 1437-1442
13. Laeseke P.F., Sampson L.A., Frey T.M., et al. Multiple-electrode radiofrequency ablation: comparison with a conventional cluster electrode in an in vivo porcine kidney model. J Vasc Interv Radiol 18 (2007) 1005-1010
14. Guide for the care and use of laboratory animals (1996), National Academy Press, Washington, DC
15. Lee J.M., Han J.K., Kim H.C., et al. Multiple-electrode radiofrequency ablation of in vivo porcine liver: comparative studies of consecutive monopolar, switching monopolar versus multipolar modes. Invest Radiol 42 (2007) 676-683
16. Stigliano R., Marelli L., Yu D., et al. Seeding following percutaneous diagnostic and therapeutic approaches for hepatocellular carcinoma. what is the risk and the outcome? seeding risk for percutaneous approach of HCC. Cancer Treat Rev 33 (2007) 437-447
17. Laeseke P.F., Sampson L.A., Haemmerich D., et al. Multiple-electrode radiofrequency ablation: simultaneous production of separate zones of coagulation in an in vivo porcine liver model. J Vasc Interv Radiol 16 (2005) 1727-1735
18. Diaz T.A., Sampson L.A., Hinshaw J.L., et al. Ablation-induced tissue shrinking: ablation zone measurements do not accurately reflect pre-ablation volumes in liver and lung tissues. Presented at the World Congress on Interventional Oncology, Los Angeles, Calif, June 22-25, (2008)