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Biplane-transesophageal echocardiography in measurement of aortic annulus dimension

WEIXin,CAIYuyan,TANGHong*,CHENMao,FENGYuan,ZHAOZhengang,LIAOYanbiao

(DepartmentofCardiology,WestChinaHospital,SichuanUniversity,Chengdu610041,China)

Objective To explore the feasibility of biplane-transesophageal echocardiography (Bip-TEE) in measuring the aortic annulus dimension (AAD). Methods Totally 24 patients underwent transcatheter aortic valve implantation (TAVI) were collected, and their AAD was measured by two-dimensional transthoracic echocardiography (2D-TTE), two-dimensional transesophageal echocardiography (2D-TEE), Bip-TEE and three-dimensional transesophageal echocardiography (3D-TEE) respectively. These four methods were compared with each other. The correlation between 3D-TEE measures and other three methods were analyzed. Results The AAD measured by 2D-TTE, 2D-TEE, Bip-TEE and 3D-TEE were (22.02±2.21)mm, (23.34±2.34)mm, (23.89±2.37)mm, (24.21±2.78)mm, respectively.The differences among 4 groups was significant (F=3.88,P=0.01). No statistically significant differences were found between Bip-TEE and 3D-TEE, 2D-TEE and 3D-TEE, Bip-TEE and 2D-TEE (allP>0.05). There were significant differences between 2D-TTE and 2D-TEE, 2D-TTE and Bip-TEE, 2D-TTE and 3D-TEE (allP<0.05). The AAD measured by 3D-TEE were positively correlated with that of 2D-TTE, 2D-TEE, Bip-TE (r=0.79, 0.88, 0.94, allP<0.05). Conclusion Bip-TEE is a feasible method to measure the AAD rapidly and can provide reliable measurements for the prosthetic valve size in TAVI.

Echocardiography， transesophageal； Transcatheter aortic valve implantation； Aortic annulus dimension

四川省科技廳科技支撐計(jì)劃項(xiàng)目(2012FZ0065)。

魏薪(1985—)，女，重慶人，碩士，醫(yī)師。研究方向：心臟超聲診斷。E-mail: weizhang_1985812@163.com

唐紅，四川大學(xué)華西醫(yī)院心內(nèi)科，610041。E-mail: hxyyth@qq.com

2016-11-14

2017-01-18

10.13929/j.1003-3289.201611074