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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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The effectiveness of scoring and bipolar diathermy on ear carliage behavior: exvivo study

Qureshi, T.R. and Hurren, J.S. and Gourlay, T. (2007) The effectiveness of scoring and bipolar diathermy on ear carliage behavior: exvivo study. Annals of Plastic Surgery, 58. pp. 321-327. ISSN 0148-7043

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Abstract

A common unsatisfactory long-term outcome of otoplasty is undercorrection and residual deformity. Aggressive scoring with a scalpel blade can cause unattractive and painful ridging, especially in older patients with stiffer cartilage. We developed an ex vivo pig ear model to compare the effectiveness of bipolar diathermy with blade scoring for cartilage warping. Strips of cartilage harvested from Landrace pig ears were subjected to bipolar diathermy (group A), blade scoring (group B), and blade scoring combined with reverse-side bipolar diathermy (group C). The strip deflection and cartilage tension were measured for each group. No statistical difference (P <= 0.05) was detected between group A and group B for both outcomes. Scoring combined with bipolar diathermy resulted in highly significant increases in both deflection (P <= 4.69-6) and tension (P <= 2.9-4). In conclusion, bipolar diathermy and scoring are equally effective in warping cartilage. Scoring combined with bipolar diathermy is highly synergistic and produces more robust warping than scoring alone. This may help reduce both long- and short-term problems with undercorrection by allowing stronger conchal correction without producing the unattractive ridging that occurs with aggressive scoring.