Comparison of Nonabsorbable Polymer Ligating and Standard Titanium Clips with and without a Vascular Cuff
- 1 September 2005
- journal article
- research article
- Published by Mary Ann Liebert Inc in Journal of Endourology
- Vol. 19 (7), 889-893
- https://doi.org/10.1089/end.2005.19.889
Abstract
Purpose: To compare the efficacy of nonabsorbable polymer ligating (NPL) and titanium clips applied with and without a 1-mm vascular cuff at physiologic and supraphysiologic pressures. Materials and Methods: An in vitro equine-vessel model was created to test clip occlusion strength. Ten-millimeter NPL and standard Ti clips were applied to veins (10 mm) and arteries (10, 6, and 5 mm) with and without a 1-mm cuff and tested until they held a pressure of 300 mm Hg (veins) or 760 mm Hg (arteries) for 2 minutes or leaked. Results: The NPL clip was statistically more secure on 10-mm veins with and without a cuff, 10-mm arteries with and without a cuff, and 6-mm arteries with a cuff than was the Ti clip. Leaving a 1-mm cuff resulted in a statistically higher leak point in all vessels tested except the 6-mm arteries secured with the Ti clip. Conclusions: The NPL clip was more secure than the Ti clip on larger arteries and veins. A 1-mm vascular cuff enhances the security of both NPL and Ti clips in vessels of all sizes. The NPL clip is secure and reliable in securing both arteries and veins.Keywords
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