Quantitative evaluation of mitral valve structure and function in patients with mitral valvuloplasty by real-time three-dimensional transesophageal echocardiography
10.3760/cma.j.issn.1004-4477.2018.07.005
- VernacularTitle: 经食管实时三维超声对二尖瓣成形术患者二尖瓣结构及功能的定量评价
- Author:
Lin LIU
1
;
Yunyun QIN
;
Cunying CUI
;
Yanan LI
;
Yanbin HU
;
Ying WANG
;
Yuanyuan LIU
;
Danqing HUANG
;
Juan ZHANG
;
Lianzhong ZHANG
Author Information
1. Department of Cardiovascular Ultrasonography, Henan Provincial People′s Hospital, People′s Hospital of Zhengzhou University, Zhengzhou 450003, China
- Publication Type:Clinical Trail
- Keywords:
Echocardiography, transesophageal, real-time three-dimensional;
Mitral valve insufficiency;
Mitral valve annuloplasty
- From:
Chinese Journal of Ultrasonography
2018;27(7):569-573
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To quantitatively evaluate the variation of preoperative and postoperative structure and function of mitral valve after mitral valve annuloplasty(MVP) for mitral valve prolapse by real-time three-dimensional transesophageal echocardiography(RT-3D TEE).
Methods:Thirty patients with mitral valve prolapse for MVP were studied, the minimum area of the three-dimensional view of the annulus(A3Dmin), three dimensional circumference(C3D), anterolateal-to-posteromedial diameter(DAlPm), anterior-to-posteior diameter(DAP), height (H), the ratio of annulus height to anterolated-to-posteromedial diameter(H/DAlPm), aorto-mitral angle(θ), the ellipticity of the the anterior-to-posterior diameter and anterolateal-to-posteromedial diameter of the annulus(E2D), the three-dimensional exposed area of the leaflet(A3DE), prolapse height(HProl), prolapse volume(VProl), non-planarity angle(θNPA) were evaluated by RT-3D TEE before and after operation. Coaptation area(CoapA), coaptation index(CPI), annulus systolic function index were calculated.
Results:Compared with the preoperation, A3Dmin, C3D, DAlPm, DAP, H, H/DAlPm, A3DE, HProl, VProl, θNPA of postoperative were reduced, E2D, CoapA, CPI, annulus systolic function index of the postoperation increased, the difference of above parameters were statistically significant (P<0.05). CPI and annulus systolic function index were negatively correlated with the area of valve regurgitation area before and aftere operation (r=-0.79, P<0.01; r=-0.67, P<0.01). Furthermore, CPI was closely correlated with annulus systolic function index (r=0.63, P<0.01).
Conclusions:After MPV, mitral valve three-dimensional structural parameters are significantly changed, CPI and annulus systolic function are improved. CPI is closely correlated with annulus systolic function, and RT-3D TEE can quantitatively evaluate the structure and function of mitral valve before and after MPV.
