{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,13]],"date-time":"2026-09-13T03:21:33Z","timestamp":1789269693650,"version":"build-2803163510"},"reference-count":31,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"23","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Circulation"],"published-print":{"date-parts":[[2019,12,3]]},"abstract":"<jats:sec>\n            <jats:title>Background:<\/jats:title>\n            <jats:p>\n              The use of poly-\n              <jats:sc>\n                <jats:italic>l<\/jats:italic>\n              <\/jats:sc>\n              -lactide acid-based bioresorbable scaffolds is limited in daily clinical practice because of safety concerns and lack of physiological benefit. Magnesium-based bioresorbable scaffold (MgBRS) presents a short resorption period (&lt;1 year) and have the potential of being thromboresistant and exhibiting early restoration of vasomotor function. To date, however, no randomized clinical trial has investigated the performance of MgBRS. Therefore, this study aimed to compare the in-stent\/scaffold vasomotion between MgBRS and permanent metallic sirolimus-eluting stent (SES) at 12-month follow-up in ST-segment\u2013elevation myocardial infarction patients.\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods:<\/jats:title>\n            <jats:p>This investigator-driven, multicenter, randomized, single-blind, controlled trial randomized ST-segment\u2013elevation myocardial infarction patients 1:1 to SES or MgBRS at 11 academic centers. The primary end point was the rate of increase (\u22653%) after nitroglycerin in mean lumen diameter of the in-stent\/scaffold segment at 12 months with superiority of MgBRS over SES in the as-treated population. The main secondary end points included angiographic parameters of restenosis, device-oriented composite end point, their individual components, and device thrombosis rate. Besides, endothelial-dependent vasomotor response to acetylcholine (ie, endothelial function) was also assessed in a subgroup of patients (n=69).<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results:<\/jats:title>\n            <jats:p>\n              Between June 2017 and June 2018, 150 ST-segment\u2013elevation myocardial infarction patients were randomized (MgBRS, n=74; SES, n=76). At 1 year, the primary end point was significantly higher in the MgBRS arm (56.5% versus 33.8%;\n              <jats:italic>P<\/jats:italic>\n              =0.010). Conversely, late lumen loss was significantly lower in the SES group (in-segment: 0.39\u00b10.49mm versus 0.02\u00b10.27mm,\n              <jats:italic>P<\/jats:italic>\n              &lt;0.001; in-device: 0.61\u00b10.55mm versus 0.06\u00b10.21mm;\n              <jats:italic>P<\/jats:italic>\n              &lt;0.001). The device-oriented composite end point was higher in the MgBRS arm driven by an increase in ischemia-driven target lesion revascularization rate (12[16.2%] versus 4[5.2%],\n              <jats:italic>P<\/jats:italic>\n              =0.030). Definite thrombosis rate was similar between groups (1[1.4%] in the MgBRS arm versus 2[2.6%] in the SES group;\n              <jats:italic>P<\/jats:italic>\n              =1.0). Endothelial function assessment at device segment evidenced a more pronounced vasoconstrictive response to maximal dose of acetylcholine in the MgBRS arm (\u22128.3\u00b13.5% versus \u22122.4\u00b11.3% in the SES group,\n              <jats:italic>P<\/jats:italic>\n              =0.003).\n            <\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions:<\/jats:title>\n            <jats:p>When compared to SES, MgBRS demonstrated a higher capacity of vasomotor response to pharmacological agents (either endothelium-independent or endothelium-dependent) at 1 year. However, MgBRS was associated with a lower angiographic efficacy, a higher rate of target lesion revascularization, without thrombotic safety concerns.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Clinical Trial Registration:<\/jats:title>\n            <jats:p>\n              URL:\n              <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" ext-link-type=\"uri\" xlink:href=\"https:\/\/www.clinicaltrials.gov\">https:\/\/www.clinicaltrials.gov<\/jats:ext-link>\n              . Unique identifier: NCT03234348.\n            <\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/circulationaha.119.043467","type":"journal-article","created":{"date-parts":[[2019,9,25]],"date-time":"2019-09-25T15:03:42Z","timestamp":1569423822000},"page":"1904-1916","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":108,"title":["Magnesium-Based Resorbable Scaffold Versus Permanent Metallic Sirolimus-Eluting Stent in Patients With ST-Segment Elevation Myocardial Infarction"],"prefix":"10.1161","volume":"140","author":[{"given":"Manel","family":"Sabat\u00e9","sequence":"first","affiliation":[{"name":"Interventional Cardiology Department, Cardiovascular Institute, Hospital Cl\u00ednic, Institut d\u2019Investigacions Biom\u00e8diques August Pi I Sunyer (IDIBAPS), Barcelona, Spain (M.S., S.B.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fernando","family":"Alfonso","sequence":"additional","affiliation":[{"name":"Hospital Universitario de La Princesa, Madrid, Spain (F.A., J.C.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Angel","family":"Cequier","sequence":"additional","affiliation":[{"name":"Hospital Universitario de Bellvitge, IDIBELL, Barcelona, Spain (A.C., J.A.G.H.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sebasti\u00e1n","family":"Roman\u00ed","sequence":"additional","affiliation":[{"name":"Hospital San Pedro de Alc\u00e1ntara, C\u00e1ceres, Spain (S.R.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pascual","family":"Bordes","sequence":"additional","affiliation":[{"name":"Hospital General de Alicante, Alicante, Spain (P.B.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antonio","family":"Serra","sequence":"additional","affiliation":[{"name":"Hospital de la Santa Creu i Sant Pau, Barcelona, Spain (A.S.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andr\u00e9s","family":"I\u00f1iguez","sequence":"additional","affiliation":[{"name":"Hospital Alvaro Cunqueiro, Vigo, Spain (A.I.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pablo","family":"Salinas","sequence":"additional","affiliation":[{"name":"Hospital Cl\u00ednico San Carlos, Madrid, Spain (P.S.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bruno","family":"Garc\u00eda del Blanco","sequence":"additional","affiliation":[{"name":"Hospital Vall d\u2019Hebr\u00f3n, Barcelona, Spain (B.G.D.B.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Javier","family":"Goicolea","sequence":"additional","affiliation":[{"name":"Hospital Puerta de Hierro-Majadahonda, Madrid, Spain (J.G.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rosana","family":"Hern\u00e1ndez-Antol\u00edn","sequence":"additional","affiliation":[{"name":"Hospital Ram\u00f3n y Cajal, Madrid, Spain (R.H.A.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Javier","family":"Cuesta","sequence":"additional","affiliation":[{"name":"Hospital Universitario de La Princesa, Madrid, Spain (F.A., J.C.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joan Antoni","family":"G\u00f3mez-Hospital","sequence":"additional","affiliation":[{"name":"Hospital Universitario de Bellvitge, IDIBELL, Barcelona, Spain (A.C., J.A.G.H.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luis","family":"Ortega-Paz","sequence":"additional","affiliation":[{"name":"Barcicore, Cardiac Imaging Corelab, Barcelona, Spain (L.O.P., 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resorbable magnesium scaffold implantation in ST-segment\u2013elevation myocardial infarction: a pilot study.","volume":"30","author":"de Hemptinne Q","year":"2018","unstructured":"de Hemptinne, Q, Picard, F, Briki, R, Awada, A, Silance, PG, Dolatabadi, D, Debbas, N, Unger, P. 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