Collateral Tissue Destruction with the Harmonic Scalpel vs the Coblator Wand: How Does This Affect Tumor Resection Margins?

Autor:	Samuel Mackeith, Paul Gurr, Thiru Siva
Rok vydání:	2011
Předmět:	medicine.medical_specialty Dissection technique business.industry Scalpel blade Tumor resection Dissection (medical) medicine.disease Surgery Animal model Otorhinolaryngology Harmonic scalpel Medicine Nuclear medicine business
Zdroj:	Otolaryngology–Head and Neck Surgery. 145
ISSN:	1097-6817 0194-5998
DOI:	10.1177/0194599811415823a97
Popis:	Objective: Oncological surgical technological innovation has produced alternative hemostatic dissection techniques. Collateral tissue destruction and impact upon assessment of tumor resection margins from Harmonic and Coblation dissectors remains unknown. This study uses an ex-vivo animal model to quantify the collateral tissue destruction caused by the harmonic scalpel vs coblator wand dissection.Method: Incisions through cow tongue were made between defined parallel lines with each dissection technique. The residual tissue width was measured with vernier calipers and subtracted from the width of original tissue. A scalpel blade was used as a control.Results: The mean width of collateral tissue destruction for each modality was as follows: harmonic cutting 3.0 mm, harmonic coagulating 4.1 mm, coblation cutting 3.5 mm, harmonic cutting under tissue tension 1.2 mm.Conclusion: This study demonstrates that tissue destruction produced when using the harmonic scalpel and coblation is significant when compared ...
Databáze:	OpenAIRE
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