2026-04-18T00:57:47Zhttps://repisalud.isciii.es/rest/oai/requestoai:repisalud.isciii.es:20.500.12105/146712024-09-27T09:33:57Zcom_20.500.12105_19604com_20.500.12105_2051com_20.500.12105_15322col_20.500.12105_19605col_20.500.12105_16977
Repisalud
author
Díaz-Munoz, Raquel
author
Valle-Caballero, María José
author
Sanchez-Gonzalez, Javier
author
Pizarro, Gonzalo
author
García-Rubira, Juan Carlos
author
Escalera, Noemi
author
Fuster, Valentin
author
Fernandez-Jimenez, Rodrigo
author
Ibáñez, Borja
2022-07-07T09:23:06Z
2022-07-07T09:23:06Z
2021-07-19
Basic Res Cardiol. 2021 Jul 19;116(1):45.
0300-8428
http://hdl.handle.net/20.500.12105/14671
34279726
10.1007/s00395-021-00884-6
1435-1803
Basic Research in Cardiology
Besides its protective effect against neutrophil-mediated injury at reperfusion, intravenous (IV) metoprolol was recently shown to reduce the progression of ischemic injury in a pig model of ST-segment elevation myocardial infarction (STEMI). Here, we tested the hypothesis that IV metoprolol administration in humans with ongoing STEMI blunts the time‑dependent progression of ischemic injury assessed by serial electrocardiogram (ECG) evaluations before reperfusion. The METOCARD-CNIC trial randomized 270 anterior STEMI patients to IV metoprolol or control before reperfusion by percutaneous coronary intervention (PCI). In 139 patients (69 IV metoprolol, 70 controls), two ECGs were available (ECG-1 before randomization, ECG-2 pre-PCI). Between-group ECG differences were analyzed using univariate and multivariate regression models. No significant between-group differences were observed on ECG-1. On ECG-2, patients who received IV metoprolol had a narrower QRS than those in the control group (84 ms vs. 90 ms, p = 0.029), a lower prevalence of QRS distortion (10% vs. 26%, p = 0.017), and a lower sum of anterior and total ST-segment elevation (10.1 mm vs. 13.6 mm, p = 0.014 and 10.4 mm vs. 14.0 mm, p = 0.015, respectively). Adjusted analysis revealed similar results. Significant associations were observed between ECG-2 variables and cardiac magnetic resonance imaging measurements (extent of myocardial edema, infarct size, microvascular obstruction, and left-ventricular ejection fraction) after STEMI. In summary, IV metoprolol administration before reperfusion ameliorates ECG markers of myocardial ischemia in anterior STEMI patients. These data confirm that IV metoprolol is able to reduce ischemic injury and highlight the ability of ECG analysis to provide relevant real-time information on the effect of cardioprotective therapies before reperfusion.
eng
Intravenous metoprolol during ongoing STEMI ameliorates markers of ischemic injury: a METOCARD-CNIC trial electrocardiographic study.
journal article
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2021_BRIC_Díaz-Munoz_metocard ECG.pdf
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https://repisalud.isciii.es/bitstreams/1b2a41f2-093e-41ef-98dd-38e003690d12/download
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text/plain
2021_BRIC_Díaz-Munoz_metocard ECG.pdf.txt