Figure 2: Absorbable metal scaffold after implantation at 4 months’ follow up. Intravascular ultrasound imaging after implantation and at 4 months’ follow-up, demonstrating adequate expansion and apposition of the scaffolds to the vessel wall and degradation of the thick struts seen immediately after implantation over the 4 months of follow-up. Reprinted from JACC: Cardiovasc Interv 2, Waksman et al., Early- and long-term intravascular ultrasound and angiographic findings after bioabsorbable magnesium scaffold implantation in human coronary arteries. 312-320, Copyright (2009), with permission from Elsevier [60].