摘要
Theuseofspeckle-trackingechocardiography(STE)isbecominganincreasinglyusefultoolintheevaluationofmyocardialdisease.STEsoftwarecantrackthemotionofthespecularpatterncreatedbytheinterferenceofultrasoundwiththemyofibersoftheheartandprovideaquantitativemeanstoevaluatesubtlechangesinventricularfunctionthatoftenoccurbeforechangesinventricularejectionfractionareobserved.STEismostoftenusedtomeasurethechangeinshape(strain)ofmyocardialsegmentsinthecircumferential,radial,andlongitudinaldirections.Invariousdiseases,includingcoronaryarterydisease,aorticstenosis,andmitralregurgitation,deficitsinlongitudinalstrainappeartooccurearlierthandeficitsinothermeasuresofstrainorinejectionfraction.ConsiderationofSTEmeasuresofleftventricularcontractionhasthepotentialtosignificantlyaffectclinicalmanagementandoutcomesofischemicandvalvularheartdiseasegiventheabilitytoseparatethosewithasymptomaticdiseasewhomaybenefitfromearlierinterventionsthancurrentguidelinesmaysuggest.
出版日期
2018年04月06日（中国期刊网平台首次上网日期，不代表论文的发表时间）
