Background: The safety and efficacy of the ligasure vessel sealing system (LVSS) and harmonic scalpel (HS) in sutureless nonanatomical lung resections were evaluated. Methods: On twenty adult rabbit lungs, 1 × 1 cm wedge resections were performed under one-lung ventilation with both LVSS and HS. The air tightness and tissue damage caused by these different techniques were measured and compared. Results: No statistically significant differences were found when the air tightness for both devices was compared after resection (p = 0.37). Tissue damage was obtained for LVSS, and the difference was statistically significant (p < 0.001). Discussion: LVSS and HS can both be used for peripheral lung resections without any need of further intervention for securing the air tightness. LVSS was found safer by means of tissue damage when compared with HS in this experimental study.

Keywords:
Animal model, Ligasure vessel sealing system, Harmonic scalpel, Lung, Thoracic surgery, Experimental study
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© 2009 S. Karger AG, Basel
2009
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