CAJ | 학술논문

目的应用斑点追踪成像技术及经食管实时三维超声成像评价心房颤动(房颤)患者左心耳舒缩运动及功能变化特点.方法 22例阵发性房颤组患者、21例持续性房颤患者.将左心耳分为基底段(B)、中段(M)、顶部(A)三个部分.应用三维容积法测量左心耳整体排空分数(LAA-EF)、基底段排空分数(B-EF)、中段排空分数(M-EF)和顶部排空分数(A-EF).应用斑点追踪成像技术测量左心耳基底段、中段、顶部各节段收缩期应变率(SRS)和舒张期应变率(SRD).结果阵发性房颤组和持续性房颤组LAA-EF、B-EF、M-EF、A-EF均低于对照组,持续性房颤组低于阵发性房颤组.与对照组比较,阵发性房颤组和持续性房颤组的左心耳基底段、中间段、顶部各段的SRS和SRD均降低,以持续性房颤组降低更显著.结论阵发性房颤和持续性房颤均可导致左心耳整体和局部舒缩功能降低,以持续性房颤为甚.
목적 응용반점추종성상기술급경식관실시삼유초성성상평개심방전동(방전)환자좌심이서축운동급공능변화특점.방법 22례진발성방전조환자、21례지속성방전환자.장좌심이분위기저단(B)、중단(M)、정부(A)삼개부분.응용삼유용적법측량좌심이정체배공분수(LAA-EF)、기저단배공분수(B-EF)、중단배공분수(M-EF)화정부배공분수(A-EF).응용반점추종성상기술측량좌심이기저단、중단、정부각절단수축기응변솔(SRS)화서장기응변솔(SRD).결과 진발성방전조화지속성방전조LAA-EF、B-EF、M-EF、A-EF균저우대조조,지속성방전조저우진발성방전조.여대조조비교,진발성방전조화지속성방전조적좌심이기저단、중간단、정부각단적SRS화SRD균강저,이지속성방전조강저경현저.결론 진발성방전화지속성방전균가도치좌심이정체화국부서축공능강저,이지속성방전위심.
Objective To evaluate left atrial appendage regional function and movement changes of systolic and diastolic in patients with atrial fibrillation by speckle tracking imaging(STI) and real-time three-dimensional transesophageal echocardiography(RT-3D TEE).Methods Sixty-seven patients underwent RT-3D TEE was divided into 24 controls,22 paroxysmal atrial fibrillation,21 persistent atrial fibrillation.Left atrial appendage was divided into basal,middle and apical segment.Left atrial appendage emptying fraction of the overall (LAA-EF),basal emptying fraction (B-EF),middle emptying fraction (M-EF) and apical emptying fraction (A-EF) was measured by three-dimensional volume measurement.Each segment systolic strain rate (SRS) and diastolic strain rate (SRD) was measured by STI.Results LAA-EF,B-EF,M-EF,A-EF of paroxysmal atrial fibrillation and persistent atrial fibrillation group were lower than those of the control group,and persistent atrial fibrillation group was the lowest in the three groups.Compared with the control group,SRS and SRD of left atrial appendage basal,middle,apical segment was lower in paroxysmal atrial fibrillation group and persistent atrial fibrillation group,and persistent atrial fibrillation group decreased more significantly.Conclusions Paroxysmal atrial fibrillation and persistent atrial fibrillation can lead to left atrial appendage global or local systolic and diastolic function to reduce,and persistent atrial fibrillation decreased more significantly.