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- W2359642830 abstract "Objective To explore the feasibility and value of real time three dimensional echocardiography(RT 3DE) in evaluating three different prosthetic rings in mitral annuloplasty.Methods Eighteen patients with three different prosthetic rings were examined by Philips Sonos 7500 equipment,among them 6 cases with rigid rings(group A),6 cases with flexible rings and (group B) and 6 cases with C shaped flexible rings(group C ).TomTec 3D work station was adopted to measure mitral annular end diastolic area,end systolic area,septal lateral diameter, and antero posterior diameter of the rings.All the measurements were compared with the actual sizes.Results RT 3DE produced novel views of prosthetic rings in patients after mitral annuloplasty.The rings in group B and group C remained flexible and retained their non planar configuration during the cardiac cycles.The end dystolic areas,septal lateral diameters and antero posterior diameters obtained from 3DE had better correlation with the actual results (r= 0.89 , 0.79 , 0.89 ,respectively).The change in mitral annular area during the cardiac cycle in group A [(1±0)%] was significantly lower than that in group B and group C [(21±11)% and (18±8)% respectively].The change in antero posterior diameter of mitral annulus during the cardiac cycle was also remarkably reduced in group A [( 1.85 ± 2.47 )%] than that in group B and group C [( 9.17 ± 12.32 )% and ( 17.77 ± 3.99 )% respectively].The change in septal lateral diameter among the three groups showed no statistic significance.Conclusions RT 3DE offers integral configuration and precise quantitative evaluation of three different prosthetic mitral rings.The mitral annular configuration and dynamics are more physiologic in patients with flexible rings than those with rigid rings." @default.
- W2359642830 created "2016-06-24" @default.
- W2359642830 creator A5033856578 @default.
- W2359642830 date "2004-01-01" @default.
- W2359642830 modified "2023-09-25" @default.
- W2359642830 title "Quantitative evaluation of three different prosthetic rings in mitral annuloplasty by real-time three-dimensional echocardiography" @default.
- W2359642830 hasPublicationYear "2004" @default.
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