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01-10-2015 | Original Article

Three-dimensional analysis of implanted magnetic-resonance-visible meshes

Authors: Nikhil Sindhwani, Andrew Feola, Frederik De Keyzer, Filip Claus, Geertje Callewaert, Iva Urbankova, Sebastien Ourselin, Jan D’hooge, Jan Deprest

Published in: International Urogynecology Journal | Issue 10/2015

Abstract

Objective

Our primary objective was to develop relevant algorithms for quantification of mesh position and 3D shape in magnetic resonance (MR) images.

Methods

In this proof-of-principle study, one patient with severe anterior vaginal wall prolapse was implanted with an MR-visible mesh. High-resolution MR images of the pelvis were acquired 6 weeks and 8 months postsurgery. 3D models were created using semiautomatic segmentation techniques. Conformational changes were recorded quantitatively using part-comparison analysis. An ellipticity measure is proposed to record longitudinal conformational changes in the mesh arms. The surface that is the effective reinforcement provided by the mesh is calculated using a novel methodology. The area of this surface is the effective support area (ESA).

Results

MR-visible mesh was clearly outlined in the images, which allowed us to longitudinally quantify mesh configuration between 6 weeks and 8 months after implantation. No significant changes were found in mesh position, effective support area, conformation of the mesh’s main body, and arm length during the period of observation. Ellipticity profiles show longitudinal conformational changes in posterior arms.

Conclusions

This paper proposes novel methodologies for a systematic 3D assessment of the position and morphology of MR-visible meshes. A novel semiautomatic tool was developed to calculate the effective area of support provided by the mesh, a potentially clinically important parameter.

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Title: Three-dimensional analysis of implanted magnetic-resonance-visible meshes
Authors: Nikhil Sindhwani
Andrew Feola
Frederik De Keyzer
Filip Claus
Geertje Callewaert
Iva Urbankova
Sebastien Ourselin
Jan D’hooge
Jan Deprest
Publication date: 01-10-2015
Publisher: Springer London
Published in: International Urogynecology Journal / Issue 10/2015
Print ISSN: 0937-3462
Electronic ISSN: 1433-3023
DOI: https://doi.org/10.1007/s00192-015-2681-1

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Three-dimensional analysis of implanted magnetic-resonance-visible meshes

Abstract

Objective

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Objective

Methods

Results

Conclusions

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