Where stents are placed matters

Balloon-expandable prostheses placed in compressible vascular sites can cause restenosis, according to a recent article in the Journal of the American College of Cardiology.1

A team of investigators looked at causes for restenosis within superficial femoral arteries and hemodialysis conduits — both subject to extrinsic compression. Stent compression is readily detected by intravascular ultrasound but not by angiography.

Reference

1. Rosenfield K, Schainfeld R, Pieczek A, et al. Restenosis of endovascular stents from stent compression. J Am Coll Cardiol 1997; 29:328-338.