<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-05-03T10:09:56Z</responseDate><request verb="GetRecord" identifier="oai:repisalud.isciii.es:20.500.12105/27446" metadataPrefix="marc">https://repisalud.isciii.es/rest/oai/request</request><GetRecord><record><header><identifier>oai:repisalud.isciii.es:20.500.12105/27446</identifier><datestamp>2026-04-28T00:15:57Z</datestamp><setSpec>com_20.500.12105_19604</setSpec><setSpec>com_20.500.12105_2051</setSpec><setSpec>col_20.500.12105_19605</setSpec></header><metadata><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
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      <subfield code="a">Raposeiras-Roubín, Sergio</subfield>
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      <subfield code="a">Barrabés, José A</subfield>
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      <subfield code="a">Pérez-Rivera, José-Ángel</subfield>
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      <subfield code="a">Rosselló, Xavier</subfield>
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      <subfield code="a">Ibáñez, Borja</subfield>
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      <subfield code="c">2026-04-23</subfield>
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      <subfield code="a">Recent trials have questioned the clinical benefit of beta-blockers in post-myocardial infarction (MI) patients with preserved left ventricular ejection fraction (LVEF). However, differences in pathophysiology and risk profile between MI with and without ST-segment elevation (STEMI and NSTEMI) may influence the effect of beta-blockers. In this prespecified subgroup analysis of the REBOOT trial, which randomized invasively managed MI patients with LVEF > 40% to beta-blockers or control, we evaluated differences in long-term effects of the intervention between STEMI (n = 4296) and NSTEMI (n = 4142). The primary endpoint was a composite of all-cause death, reinfarction, or heart failure hospitalization over a median follow-up of 3.7 years.</subfield>
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      <subfield code="a">Rev Esp Cardiol (Engl Ed). 2026 Apr 23:S1885-5857(26)00076-9.</subfield>
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      <subfield code="a">REVISTA ESPAÑOLA DE CARDIOLOGIA</subfield>
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      <subfield code="a">https://hdl.handle.net/20.500.12105/27446</subfield>
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      <subfield code="a">Acute coronary syndrome</subfield>
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      <subfield code="a">Beta-blockers after invasively managed STEMI vs NSTEMI without reduced ejection fraction: a prespecified analysis from the REBOOT trial.</subfield>
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