多普勒超声和心导管测量阵发性心房颤动患者左心房压力的研究  

Measurement of left atrial pressure in paroxysmal atrial fibrillation patients by Doppler echocardiography and catheterization

作　　者：赵文雪[1] 杨兵[2] 雍永宏[2] 陈明龙[2] 张凤祥[2] 居维竹[2] 陈红武[2] 

机构地区：[1]南京医科大学第二附属医院心内科,210003 [2]南京医科大学第一附属医院心内科

出　　处：《中华老年心脑血管病杂志》2014年第6期596-598,共3页Chinese Journal of Geriatric Heart,Brain and Vessel Diseases

摘　　要：目的探讨多普勒超声能否有效地预测阵发性心房颤动(PAF)患者的左心房压力(LAP)。方法选择PAF患者31例,导管射频消融术前1d行经胸及经食管彩色多普勒超声检查,测左心房内径、LVEF、舒张期肺静脉血流衰减时间(DTD)、收缩期肺静脉血流衰减时间(STD)等相关参数;术中通过心导管测量LAP。对多普勒超声参数与LAP进行相关性分析。结果 31例患者LAP(14.45±7.60)mm Hg(1mm Hg=0.133kPa)、DTD(176.97±56.74)ms、STD(193.97±55.17)ms。DTD和STD与LAP呈负相关(r=-0.63,r=-0.81,P=0.00)。结论DTD和STD可能是简便、可靠、无创性预测PAF患者LAP的理想指标。Objective To study whether Doppler echocardiography can effectively predict the left atrial pressure （LAP） in paroxysmal atrial fibrillation （PAF） patients .Methods Thirty-one PAF patients underwent transthoracic and transesophageal echocardiography 1 day before radiofrequency ablation .Deceleration time of pulmonary venous diastolic flow （DTD ）and deceleration time of pulmonary venous systolic flow （STD ） were measured .Relation between Doppler echocardiography parameters and LAP was analyzed .Results The LAP was 14 .45 ± 7 .60 mm Hg （1 mm Hg=0 .133 kPa） ,the DTD was 176 .97 ± 56 .74 ms ,the STD was 193 .97 ± 55 .17 ms .The DTD and STD were closely related with the LAP （r= -0 .63 ,r= -0 .81 ,P=0 .00） .Conclusion DTD and STD can accurately and noninvasively predict the LAP in PAF patients .

关 键 词：超声检查  多普勒 导管消融术 心房颤动 心房功能  左 血流速度 

分 类 号：R445.1[医药卫生—影像医学与核医学] R541.75[医药卫生—诊断学]