Dataset Information

Three-Dimensional Echocardiographic Imaging of a Gerbode Defect Complicating Transcatheter Aortic Valve Replacement.

ABSTRACT: We describe a case of a 77-year-old male who underwent transcatheter aortic valve implantation (TAVR) with Edwards SAPIEN XT size 26 mm for severe aortic stenosis. Postprocedural transesophageal echocardiography (TEE) showed left-to-right shunt between the left ventricular outflow tract just below the bioprosthesis and the right atrium across the atrioventricular septum (Gerbode defect). Three-dimensional echocardiography (3DE) allowed a detailed anatomical imaging of the shape and the location of a small, circular, atrioventricular defect that was a type II, direct, supravalvular, Gerbode-type defect. This is the third report of a Gerbode defect after TAVR whose diagnosis has important implications on clinical decision-making. TEE plays a key role; its diagnostic ability is enriched by the additional value of 3DE.

SUBMITTER: Al Sergani H

PROVIDER: S-EPMC6450239 | biostudies-literature | 2019 Jan-Mar

REPOSITORIES: biostudies-literature

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Three-Dimensional Echocardiographic Imaging of a Gerbode Defect Complicating Transcatheter Aortic Valve Replacement.

Al Sergani Hani H Galzerano Domenico D Vriz Olga O Al Buraiki Jehad J

Journal of cardiovascular echography 20190101 1

We describe a case of a 77-year-old male who underwent transcatheter aortic valve implantation (TAVR) with Edwards SAPIEN XT size 26 mm for severe aortic stenosis. Postprocedural transesophageal echocardiography (TEE) showed left-to-right shunt between the left ventricular outflow tract just below the bioprosthesis and the right atrium across the atrioventricular septum (Gerbode defect). Three-dimensional echocardiography (3DE) allowed a detailed anatomical imaging of the shape and the location ...[more]

PMID: 31008032

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Project description:BackgroundOur goal was to determine the accuracy of 3-dimensional transesophageal echocardiography (3D-TEE) compared with that of computed tomography (CT) in the preoperative evaluation for transcatheter aortic valve replacement (TAVR) when the errors caused by inconsistent software and method have been eliminated and the representativeness of the sample has been improved. We also investigated the influence of aortic root calcification on the accuracy of 3D-TEE in aortic annulus evaluations.MethodsPart I: 45 of 233 patients who underwent TAVR in the department of cardiovascular surgery at the Xijing hospital from January 2016 to August 2019 were studied retrospectively. Materialise Mimics software and the multiplanar reconstruction method were used for evaluation, based on 3D-TEE and CT. The annulus area-derived diameter, the annulus perimeter-derived diameter (Dp), the annulus mean diameter, the left ventricular outflow tract Dp diameter, the sinotubular junction (STJ) diameter-Dp, and the aortic sinus diameter were compared and analyzed. Part II: 31 of 233 patients whose 3D-TEE and CT data were well preserved and in the required format were included. HU450 and HU850 were used as indicators to measure the severity of calcification. The Spearman rank correlation and Linear regression were used to analyze the correlation between aortic root calcification and the accuracy of 3D-TEE in aortic annulus measurement.ResultsThe measurement results based on 3D-TEE were significantly lower than those obtained using CT (P < 0.05), except for the STJ diameter-Dp in diastole (P = 0.11). The correlation coefficient of the two groups was 0.699-0.954 (P < 0.01), which also indicated a significant correlation between the two groups. A Bland-Altman plot showed that the ordinate values were mostly within the 95% consistency limit; the consistency of the two groups was good. By establishing the linear regression equation, the two groups can be inferred from each other. The Spearman rank correlation analysis and the Linear regression analysis showed that the influence of aortic calcification on the accuracy of the 3D-TEE annulus evaluation was limited.ConclusionsAlthough an evaluation based on 3D-TEE underestimated the results, we can deduce CT results from 3D-TEE because the two methods exhibit considerable correlation and consistency.Trial registrationName: Surgery and Transcatheter Intervention for Structural Heart Diseases. Number: NCT02917980. URL: https://clinicaltrials.gov/ct2/results?term=NCT02917980 .

Dataset Information

Three-Dimensional Echocardiographic Imaging of a Gerbode Defect Complicating Transcatheter Aortic Valve Replacement.

Publications

Three-Dimensional Echocardiographic Imaging of a Gerbode Defect Complicating Transcatheter Aortic Valve Replacement.

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