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• W3030593851 abstract "ObjectiveTo evaluated the value of myocardial perfusion before delayed percutaneous coronary intervention (PCI) for predicting the recovery of systolic function of patients with acute myocardial infarction (AMI).MethodsA total of 64 patients with AMI receiving delayed PCI treatment in the First People′s Hospital of Foshan from January 2014 to June 2015 were selected. One day prior to delayed PCI, all of the patients underwent two dimensional strain to measure the longitudinal peak systolic strain (LPSS) of each left ventricular segment and the global longitudinal strain (GLS) of the left ventricle. The myocardial perfusion score (MPS) and the perfusion score index (PSI) were measured by myocardial contrast echocardiography (MCE). Left ventricular myocardial perfusions were classified as good, reduced, or absent. The two dimensional strain measurements were again conducted at 6 months after the delayed PCI to assess LPSS and GLS. The change of GLS and LPSS between one day prior to delayed PCI and six months after delayed PCI was assessed by paired t-test. The differences of LPSS among good, reduced, or absent myocardial perfusion groups were analyzed by one-way ANOVA. LSD-t test was used to compare in pairs of groups that had different values. The correlations between PSI and GLS, MPS and LPSS were assessed by Spearman′s rank-correlation test.ResultsThe GLS of all patients were higher at six months after delayed PCI than at one day prior to delayed PCI [(-15.39±7.80)% vs (-12.44±8.38)%, t=14.398, P those of myocardial perfusion reduced group> those of myocardial perfusion absent group. PSI was positively correlated with GLS at both one day prior to delayed PCI and six months after delayed PCI (r=0.69, 0.72, both P<0.001). MPS was positively correlated with LPSS at both one day prior to delayed PCI and six months after delayed PCI (r=0.49 and 0.45, both P<0.001).ConclusionMyocardial perfusion before delayed PCI, monitored by MCE, is correlated well with myocardial systolic function, and may be used to predict the recovery of myocardial systolic function after delayed PCI.Key words: Myocardial perfusion; Myocardial systolic function; Acute myocardial infarction; Delayed percutaneous coronary intervention" @default.
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• W3030593851 date "2017-05-01" @default.
• W3030593851 modified "2023-09-27" @default.
• W3030593851 title "Myocardial perfusion before delayed percutaneous coronary intervention is valuable in predicting the systolic function recovery of patients with acute myocardial infarction" @default.
• W3030593851 doi "https://doi.org/10.3877/cma.j.issn.1672-6448.2017.05.010" @default.
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