Abstract
Transradial approach currently represents the preferred arterial access approach for percutaneous coronary procedures primarily due to the reduced access-site complications compared with femoral access (1). However, because of its thinner caliber and higher sensitivity to mechanical and humoral stresses than other somatic vessels, radial artery is prone to spasm (2). In general, spasm is a benign complication that can be resolved with nitrates or Ca2+-channel blockers, but in some rare cases, the spasm is so severe and prolonged that it may lead to radial sheath entrapment, with documented rare cases of radial avulsion (3).
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