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End of the Road: Bailout Techniques for the Short Wire 

End of the Road: Bailout Techniques for the Short Wire
Chapter:
End of the Road: Bailout Techniques for the Short Wire
Author(s):

S. Lowell Kahn

DOI:
10.1093/med/9780199986071.003.0060
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date: 20 September 2020

Guidewires for peripheral interventions come in a variety of lengths for the 0.035/0.038-, 0.018-, and 0.014-in. platforms. Common lengths include 75/80, 145, 180, 200, 260, 300, and 330 cm. Whereas a navigation wire needs only to be slightly longer than the catheter in use, guidewires over which exchanges are necessary for intervention need to be considerably longer. As a general rule, a guidewire should be long enough to be passed sufficiently beyond the treatment zone (e.g., occlusion) to facilitate adequate support with enough wire external to the patient to allow for any desired catheter or balloon use/exchange (e.g., 150 cm for a typical tibial balloon). This chapter elaborates on techniques to overcome a short wire obstacle during procedures.

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