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Three-dimensional dynamic morphology of the mitral valve in different forms of mitral valve prolapse – potential implications for annuloplasty ring selection

Overview of attention for article published in Cardiovascular Ultrasound, January 2016
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Title
Three-dimensional dynamic morphology of the mitral valve in different forms of mitral valve prolapse – potential implications for annuloplasty ring selection
Published in
Cardiovascular Ultrasound, January 2016
DOI 10.1186/s12947-016-0073-4
Pubmed ID
Authors

Astrid Apor, Astrid Apor, Anikó Ilona Nagy, Attila Kovács, Aristomenis Manouras, Péter Andrássy, Béla Merkely

Abstract

Real-time three-dimensional transesophageal echocardiography has increased our understanding of the distinct pathomechanisms underlying functional, ischaemic or degenerative mitral regurgitation. However, potential differences in dynamic morphology between the subtypes of degenerative mitral prolapse have scarcely been investigated. In order to compare the dynamic behavior of the different phenotypes of degenerative mitral valve prolapse, real-time three-dimensional transesophageal echocardiography recordings of 77 subjects, 27 with Barlow disease (BD), 32 with Fibroelastic deficiency (FED) and 18 normal controls (NC) were analysed. Geometric annular and valvular parameters of the myxomatous patients were significantly larger compared to controls (BD vs. FED vs. NC 3D annular area: 15 ± 2.8 vs. 13.3 ± 2.4 vs. 10.6 ± 2.3cm(2), all p < 0.01). Beside similar ellipticity, BD annuli were significantly flatter compared to FED. Myxomatous annuli appeared less dynamic than normals, with decreased overall 3D area change, however only the BD group differed from NC significantly (BD vs. FED vs. NC normalized 3D area change 4.40 vs. 6.81 vs. 9.69 %; BD vs. NC p = 0.000; FED vs. NC p = not significant, BD vs. FED p = 0.025). BD and FED differ not only in terms of valve morphology, but also annular dynamics. Both pathologies are characterized by annular dilatation. However, in BD the annulus is remarkably flattened and hypodynamic, whereas in FED its saddle-shape and contractile function is relatively preserved. These features might influence the choice of repair technique and the selection of annuloplasty ring.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 14 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 14 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 3 21%
Student > Postgraduate 3 21%
Lecturer 2 14%
Student > Ph. D. Student 2 14%
Student > Master 1 7%
Other 3 21%
Readers by discipline Count As %
Medicine and Dentistry 9 64%
Unspecified 2 14%
Psychology 1 7%
Biochemistry, Genetics and Molecular Biology 1 7%
Engineering 1 7%
Other 0 0%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 17 August 2016.
All research outputs
#6,249,370
of 8,229,276 outputs
Outputs from Cardiovascular Ultrasound
#167
of 206 outputs
Outputs of similar age
#180,538
of 252,985 outputs
Outputs of similar age from Cardiovascular Ultrasound
#10
of 13 outputs
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