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A 90\u2010min closed\u2010chest balloon occlusion of the left anterior descending branch of the coronary artery was used to induce myocardial infarction in Pannon minipigs. To monitor the cardiac function, measurements were made by cardiac magnetic resonance imaging (cMRI), invasive pressure monitoring, and a Pulse index Continuous Cardiac Output (PiCCO) hemodynamic system at 0, 72, and 720\u2009h during the follow\u2010up period. End\u2010diastolic and end\u2010systolic volumes (EDV, ESV), left ventricular ejection fraction (LVEF) obtained by cMRI evaluation, global ejection fraction and aortic dP\/dt<jats:sub>max<\/jats:sub> obtained by the invasive method, were recorded and compared. The 72\u2010 and 720\u2010h EDV data showed a significant increase (<jats:italic>p<\/jats:italic>\u2009=\u20090.012, &lt;0.001) compared to baseline, and the Day 30 data showed a significant increase compared to Day 3 (<jats:italic>p<\/jats:italic>\u2009=\u20090.022). The ESV 72\u2009h after the infarction showed a significant increase (<jats:italic>p<\/jats:italic>\u2009=\u20090.001) compared to baseline, which did not change significantly by Day 30 (<jats:italic>p<\/jats:italic>\u2009=\u20090.781) compared to Day 3. EDV and ESV were significantly negatively correlated with aortic dp<jats:sub>max<\/jats:sub>, and ESV was significantly correlated with LVEF. For LVEF and dP<jats:sub>max<\/jats:sub>, a significant (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001 and <jats:italic>p<\/jats:italic>\u2009=\u20090.002) worsening was demonstrated at Day 3 compared to baseline, which was no longer statistically detectable for LVEF at Day 30 (<jats:italic>p<\/jats:italic>\u2009=\u20090.141), while the difference for dP<jats:sub>max<\/jats:sub> was maintained (<jats:italic>p<\/jats:italic>\u2009=\u20090.002). The complementary use of PiCCO hemodynamic measurements in large animal models makes the previously used methodologies more robust and reliable.<\/jats:p>","DOI":"10.1002\/ame2.12502","type":"journal-article","created":{"date-parts":[[2024,11,28]],"date-time":"2024-11-28T04:13:48Z","timestamp":1732767228000},"page":"171-178","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["<scp>dP<\/scp>\/dt<sub>max<\/sub>: An underestimated prognostic factor in large animal infarction model"],"prefix":"10.1002","volume":"8","author":[{"given":"Rita","family":"Garamv\u00f6lgyi","sequence":"first","affiliation":[{"name":"Doctoral School in Animal Science Hungarian University of Agriculture and Life Sciences  Kaposv\u00e1r Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-1389-5036","authenticated-orcid":false,"given":"D\u00e9nes","family":"K\u0151r\u00f6si","sequence":"additional","affiliation":[{"name":"Doctoral School in Animal Science Hungarian University of Agriculture and Life Sciences  Kaposv\u00e1r Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ott\u00f3","family":"T\u00e1trai","sequence":"additional","affiliation":[{"name":"Department of Cardiology Kaposi Moritz Teaching Hospital  Kaposv\u00e1r Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Em\u0151ke","family":"Bodor","sequence":"additional","affiliation":[{"name":"Department of Cardiology Kaposi Moritz Teaching Hospital  Kaposv\u00e1r Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D\u00e1niel","family":"Fajtai","sequence":"additional","affiliation":[{"name":"Medicopus Nonprofit Ltd.  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