Radial Artery, Alternative Arm Access, and Related Techniques

Le résumé fourni par la source

Transradial access (TRA) for angiography and angioplasty is safe and effective with distinct advantages over alternative access sites. This chapter summarizes preprocedural considerations, radial artery puncture techniques, and common anatomical hurdles. High take-off radial artery, radial loop, and arterial tortuosity are the most common barriers to a successful transradial approach. They can usually be recognized and overcome with certain techniques and a small learning curve. Transradial access can be associated with different complications compared to the femoral approach, although vessel spasm, injury/dissection and hematomas are usually associated with less significant clinical sequelae. Catheter shapes and procedural techniques vary slightly though standard-shaped guide catheters still remain most commonly used worldwide and are appropriate in most cases. Universal radial catheters with single-catheter approaches offer further potential benefits with some caveats compared with standard shapes.

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