crossover technique
Interventional approach using contralateral femoral access when ipsilateral access fails or is anatomically challenging.
Full Definition
The crossover technique is a specialized vascular access strategy employed in interventional cardiology when standard ipsilateral approaches are unsuccessful or contraindicated. This method involves accessing the contralateral femoral artery and advancing catheters across the aortic bifurcation to reach the target coronary vessels. The technique is particularly valuable in patients with severe peripheral artery disease, previous vascular complications, or anatomical variants that preclude direct access. Crossover requires longer, specialized equipment and careful attention to catheter torque transmission across the bifurcation. While technically more challenging, this approach enables successful coronary intervention in patients who might otherwise require surgical revascularization due to access limitations.
Usage
Usage note: Specify the rationale for crossover approach in procedural documentation.
In Context
- "Due to severe right iliac stenosis, a crossover technique was employed via the left femoral artery." — Interventional procedure report
- "The crossover technique enabled successful intervention despite bilateral peripheral artery disease." — Case study documentation