摘要
作者应用超声心动图及多普勒超声检测不伴左室肥厚的51例老年高血压病患者左心结构和功能参数。以24h动态心电图房性早搏总数大于100次和(或)出现短阵房性心动过速(A组)与房性早搏总数小于100次(B组)为标准,将老年高血压患者分为A组(26例)和B组(25例)。结果:左房内径、左室舒张末期内径、室间隔厚度、左室后壁厚度、室间隔/左室后壁之比两组无明显差异;收缩功能指标EF和FS两组无明显差异。舒张功能参数PVA、PVE和PVA/PVE两组也无明显差异。但A组总室性心律失常发生率高于B组(77%对48%,P<0.05)。
Theparametersofleftventricular(LV)functionsandstructuresweremea-suredbyechocardiographyandpulsedDopplerin51senilehypertensivepatientswithoutleftventricularhypertrophy(LVH).Atrialarhythmiaswereconsideredsignificantifmorethan100prematurebeatsand/ormorethanthreesuccessiveprematurebeatswerepresentduringHolter′smonitoring.Significantatrialarrhythmiaswerefoundin26patients(GroupA),notsignificantin25patients(GroupB).Leftventricularmassindexandbodysurfaceareaweresimilarinthetwogroups.Theresultsshowedthattherewerenosignificantdiferencesbe-tweenthetwogroupsinLAD,LVDd,IVST,PWTandIVST/PWT,insystolicparameters(EFandFS)anddiastolicparameters(PVA,PVEandPVA/PVE).ButtheprevalenceoftotalventriculararhythmiaswashigherinGroupAthaninGroupB(76.9%vs48.0%,P<0.05).ItissuggestedthatatrialarrhythmiasinhypertensivepatientswithoutLVHseemsindependentonLADandLVfunctions.
关键词
高血压
心律失常
心室功能
左心功能
hypertension
arhythmia
ventricularfunction,left
electrocardiography,ambulatory
echocardiography,Doppler