Coronary bioabsorbable magnesium stent: 15-month intravascular ultrasound and optical coherence tomography findings.

A 65-year-old man underwent elective percutaneous coronary intervention for a stenosis in the proximal left anterior descending artery (LAD). As part of the PROGRESS study (designed as a first-in-man coronary study in 65 patients in seven European centres), a 3.5 × 15 mm magnesium-based bioabsorbable stent (Lekton Magic Stent, Biotronik, Bulach, Switzerland) was implanted achieving an excellent angiographic result. Fifteen months following the initial intervention, an exercise treadmill test to evaluate exertional dyspnoea was positive. Angiography revealed a new and separate lesion in the …