{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T02:10:32Z","timestamp":1790820632590,"version":"4.1.0"},"reference-count":46,"publisher":"Springer Science and Business Media LLC","issue":"4","license":[{"start":{"date-parts":[[2020,9,24]],"date-time":"2020-09-24T00:00:00Z","timestamp":1600905600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2020,9,24]],"date-time":"2020-09-24T00:00:00Z","timestamp":1600905600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/100011103","name":"Sixth Framework Programme","doi-asserted-by":"publisher","award":["LSHBCT-2005-512146"],"award-info":[{"award-number":["LSHBCT-2005-512146"]}],"id":[{"id":"10.13039\/100011103","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Eur J Nucl Med Mol Imaging"],"published-print":{"date-parts":[[2021,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Purpose<\/jats:title>\n                <jats:p>Increased angiogenesis after myocardial infarction is considered an important favorable prognostic parameter. The \u03b1v\u03b23 integrin is a key mediator of cell-cell and cell-matrix interactions and an important molecular target for imaging of neovasculature and repair processes after MI. Thus, imaging of \u03b1v\u03b23 expression might provide a novel biomarker for assessment of myocardial angiogenesis as a prognostic marker of left ventricular remodeling after MI. Currently, there is limited data available regarding the association of myocardial blood flow and \u03b1v\u03b23 integrin expression after myocardial infarction in humans.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>Twelve patients were examined 31\u2009\u00b1\u200914\u00a0days after MI with PET\/CT using [<jats:sup>18<\/jats:sup>F]Galacto-RGD and [<jats:sup>13<\/jats:sup>N]NH<jats:sub>3<\/jats:sub> and with cardiac MRI including late enhancement on the same day. Normal myocardium (remote) and areas of infarction (lesion) were identified on the [<jats:sup>18<\/jats:sup>F]Galacto-RGD PET\/CT images by correlation with [<jats:sup>13<\/jats:sup>N]NH<jats:sub>3<\/jats:sub> PET and cardiac MRI. Lesion\/liver-, lesion\/blood-, and lesion\/remote ratios were calculated. Blood flow and [<jats:sup>18<\/jats:sup>F]Galacto-RGD uptake were quantified and correlated for each myocardial segment (AHA 17-segment model).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>In 5 patients, increased [<jats:sup>18<\/jats:sup>F]Galacto-RGD uptake was notable within or adjacent to the infarction areas with a lesion\/remote ratio of 46% (26\u201383%; lesion\/blood 1.15\u2009\u00b1\u20090.06; lesion\/liver 0.61\u2009\u00b1\u20090.18). [<jats:sup>18<\/jats:sup>F]Galacto-RGD uptake correlated significantly with infarct size (<jats:italic>R<\/jats:italic>\u00a0=\u20090.73; <jats:italic>p<\/jats:italic>\u00a0=\u20090.016). Moreover, it correlated significantly with restricted blood flow for all myocardial segments (<jats:italic>R<\/jats:italic>\u00a0=\u2009\u2212\u20090.39; <jats:italic>p<\/jats:italic>\u00a0&lt;\u20090.0001) and even stronger in severely hypoperfused areas (<jats:italic>R<\/jats:italic>\u00a0=\u2009\u2212\u20090.75; <jats:italic>p<\/jats:italic>\u00a0&lt;\u20090.0001).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>[<jats:sup>18<\/jats:sup>F]Galacto-RGD PET\/CT allows the visualization and quantification of myocardial \u03b1v\u03b23 expression as a key player in angiogenesis in a subset of patients after MI. \u03b1v\u03b23 expression was more pronounced in patients with larger infarcts and was generally more intense but not restricted to areas with more impaired blood flow, proving that tracer uptake was largely independent of unspecific perfusion effects. Based on these promising results, larger prospective studies are warranted to evaluate the potential of \u03b1v\u03b23 imaging for assessment of myocardial angiogenesis and prediction of ventricular remodeling.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00259-020-05034-z","type":"journal-article","created":{"date-parts":[[2020,9,24]],"date-time":"2020-09-24T12:02:39Z","timestamp":1600948959000},"page":"1070-1080","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":43,"title":["Multiparametric PET and MRI of myocardial damage after myocardial infarction: correlation of integrin \u03b1v\u03b23 expression and myocardial blood flow"],"prefix":"10.1007","volume":"48","author":[{"given":"Marcus R.","family":"Makowski","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5545-8487","authenticated-orcid":false,"given":"Christoph","family":"Rischpler","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ullrich","family":"Ebersberger","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexandra","family":"Keithahn","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Markus","family":"Kasel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ellen","family":"Hoffmann","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tienush","family":"Rassaf","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Horst","family":"Kessler","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hans-J\u00fcrgen","family":"Wester","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephan G.","family":"Nekolla","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Markus","family":"Schwaiger","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ambros J.","family":"Beer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2020,9,24]]},"reference":[{"key":"5034_CR1","doi-asserted-by":"crossref","first-page":"1262","DOI":"10.1161\/01.ATV.20.5.1262","volume":"20","author":"R Virmani","year":"2000","unstructured":"Virmani R, Kolodgie FD, Burke AP, Farb A, Schwartz SM. 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