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Ferromagnetic Dissection in a Rat Glioma Model

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DOI: 10.4236/jct.2015.67067    2,815 Downloads   3,207 Views   Citations

ABSTRACT

Background: We compared cutting and coagulation of a novel ferromagnetic tool (FMwand) with modalities currently used in the clinical setting. Methods: 24 F344 rats with 9L gliosarcoma flank tumours were randomized into 2 groups (n = 12): 1) Five parallel incisions were made into the tumor of each rat using monopolar electrosurgery (MES) cut mode, MES coagulation (coag) mode, FMwand, carbon dioxide (CO2) laser and cold scalpel. 2) Two parallel incisions were made comparing the MES and the FMwand, both with resecting loop tips. The study was then repeated by a second surgeon. The surgeons applied a grading scale (1 = worst, 5 = best) based on their observations. Results: Average scores for FMwand were superior in ease of tissue dissection (3.58), distortion upon tissues (3.67), and smoke production (2.87). CO2 laser led in effectiveness of hemostasis (4.32). MES cut mode had the highest scores for ease of cleaning of tip (3.17) and speed of dissection (3.92). The FMwand loop device led in all attributes except for ease of cleaning. Conclusions: The FMwand outperformed CO2 laser significantly in ease and speed. It was superior compared to MES cut mode for hemostasis and superior compared to coag mode in ease and speed, distortion upon tissues and smoke production. The FMwand loop was significantly better compared to MES loop for hemostasis, distortion, ease and speed. The FMwand was shown to be safe and effective for hemostatic soft tissue cutting and coagulation.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Tok, S. , Neidert, M. , Sharab, M. , Siu, I. , Reyes, J. , Charubhumi, V. , Wicks, R. , Eberhart, C. , Jallo, G. and Tyler, B. (2015) Ferromagnetic Dissection in a Rat Glioma Model. Journal of Cancer Therapy, 6, 613-621. doi: 10.4236/jct.2015.67067.

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