期刊
CARDIOVASCULAR DRUGS AND THERAPY
卷 36, 期 6, 页码 1129-1136出版社
SPRINGER
DOI: 10.1007/s10557-021-07258-z
关键词
Acute coronary syndrome; Percutaneous coronary intervention; Magnesium-based bioresorbable stents; Late lumen loss; Outcome
资金
- Charles University [UNCE MED 002, PROGRES Q38]
- INTERCARDIS project (EU) [CZ.02.1.01/0.0/0.0/16_026/0008388]
The PRAGUE-22 study investigated the efficacy of Magmaris stents compared to Xience stents in patients with acute coronary syndrome. The study found that implantation of Magmaris stents was associated with a greater extent of late lumen loss compared to Xience stents at the 12-month follow-up. This suggests that permanent, everolimus-eluting metallic stents may have better outcomes in this patient population.
Background Magnesium-based bioresorbable Magmaris stents are rapidly resorbed. Few randomized studies have evaluated the efficacy of such stents in patients with acute coronary syndrome. Aim To investigate late lumen loss as assessed via quantitative coronary angiography (QCA) and optical coherence tomography (OCT) in patients with acute coronary syndrome treated with Magmaris stents or permanent, everolimus-eluting metallic Xience stents. Methods and Results This PRAGUE-22 study was a two-centre, investigator-initiated, randomized study. Fifty patients were randomized based on the inclusion criteria for acute coronary syndrome and the anatomical suitability to receive Magmaris or Xience stents. The patient characteristics did not differ between the Magmaris group (n = 25) and Xience group (n = 25). The mean ages were 57.0 +/- 10.5 vs. 55.5 +/- 9.2 years (p = 0.541) and the total implanted stent length was 24.6 +/- 10.7 mm vs 27.6 +/- 11.1 mm (p = 0.368), respectively. Four clinical events occurred in the Magmaris group and one in the Xience group during 12 months of follow-up. The extent of late lumen loss (assessed via QCA) at 12 months was greater in the Magmaris group than in the Xience group (0.54 +/- 0.70 vs. 0.11 +/- 0.37 mm; p = 0.029). The late lumen loss diameter (measured via OCT) in the Magmaris group was also significantly larger than that in the Xience group (0.59 +/- 0.37 vs. 0.22 +/- 0.20 mm; p = 0.01). Conclusion Implantation of a magnesium-based bioresorbable stent in patients with acute coronary syndrome is associated with a greater extent of late lumen loss at the 12-month follow-up compared with implantation of a permanent, everolimus-eluting metallic stent.
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