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Abstract
We describe a novel endovascular technique in which three 0.014" guidewires are placed in parallel through a 0.035" lumen catheter, in order to create a stiff platform to allow for delivery of 0.035" profile devices through challenging anatomy. Three illustrative cases are presented: a difficult aortic bifurcation during lower extremity intervention, a tortuous internal iliac artery during placement of an iliac branch device, and salvage of a renal artery after inadvertent coverage during proximal cuff deployment for type 1a endoleak. We also quantify the relative stiffness of the triple 0.014" wire configuration, using several well-known 0.035" wires for comparison. The "triple-wire technique" is an effective method for tracking endovascular devices through difficult tortuous anatomy, and can be used in a variety of clinical settings. The technique is especially useful when a traditional, stiff 0.035" wire will not track without "kicking out." Each 0.014" wire is reasonably soft and traverses the tortuous vessel easily, but when the three wires are used together as a rail it provides a stiff enough platform for delivery.
View details for DOI 10.1016/j.avsg.2020.04.021
View details for PubMedID 32335254