Morphologiesandprognosticsignificanceofleftventricularvolume/timecurveswithcardiacmagneticresonanceinpatientswithnon-ischaemicheartfailureandleftbundlebranchblockIntJCardiovasc?ImagingOriginalPaperEarlyRecent,Feb26,./s--94-3本文由“天纳”临床学术信息人工智能系统自动翻译点击文末“阅读原文”下载本文PDFPatientswithnon-ischaemicsystolicheartfailure(HF)andleftbundlebranchblock(LBBB)candisplayawideornarrowpattern(WP/NP)ofthesystolicphaseoftheleftventricular(LV)volume/time(V/t)curveincardiacmagneticresonance(CMR).Theclinicalandprognosticsignificanceofthesepatternsisunknown.Consecutivepatientswithnon-ischaemicHF,LVejectionfraction??50%andLBBBunderwent1.5?TCMR.Maximaldyssynchronytime(timebetweentheearliestandlatestend-systolicpeaks),systolicdyssynchronyindex(standarddeviationoftimestopeakvolumechange),andcontractilityindex(maximumrateofchangeofpressure-normalizedstress)werecalculated.Theendpointwasa
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