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A Defined Protocol to Resolving Cannulation Failure during Endovenous Ablation Procedures.

Scarlett Hao1, Samantha Cox1, Thomas S Monahan2

  • 1Division of Vascular Surgery, Department of Surgery, University of Maryland School of Medicine, Baltimore, MD.

Annals of Vascular Surgery
|July 26, 2017
PubMed
Summary
This summary is machine-generated.

This technique report details a protocol to successfully cannulate veins for endovenous ablation, even in cases of challenging anatomy. It ensures complete vein treatment, improving outcomes for patients with insufficient veins.

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Area of Science:

  • Vascular Surgery
  • Interventional Radiology

Background:

  • Endovenous ablation is a common treatment for insufficient veins.
  • Failure to cannulate the entire refluxing vein can lead to technically unsuccessful ablation.
  • Challenging venous anatomy, including tortuosity and obstruction, can impede catheterization.

Purpose of the Study:

  • To describe a defined protocol to overcome cannulation failure during endovenous ablation.
  • To provide a step-wise approach for treating challenging venous anatomy.

Main Methods:

  • Utilized adjunctive techniques: ultrasound-guided digital compression, guidewire use, guide catheter placement.
  • Employed a sequential, step-wise application of these techniques.
  • Included placement of a second puncture site when necessary.

Main Results:

  • The described protocol effectively overcomes cannulation failure in axial veins.
  • Successfully enabled endovenous ablation in patients with difficult venous anatomy.
  • The technique is adaptable to varying degrees of venous tortuosity and obstruction.

Conclusions:

  • This protocol offers a reliable method to achieve technically successful endovenous ablation in challenging cases.
  • Facilitates treatment of patients previously excluded due to complex venous anatomy.
  • Enhances the applicability and success rate of endovenous ablation procedures.