eISSN: 1897-4295
ISSN: 1734-9338
Advances in Interventional Cardiology/Postępy w Kardiologii Interwencyjnej
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3/2022
vol. 18
 
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abstract:
Original paper

Virtual simulations in planning intravascular treatment of aortic coarctation – a retrospective analysis

Nikola Topuzov
1
,
Alicja Jaszewska
1
,
Anna Migdał
2
,
Grażyna Brzezińska-Rajszys
2
,
Maria Zubrzycka
2
,
Bożena Rewers
2
,
Andrzej Kościesza
2
,
Adam Koleśnik
2

  1. Department of Descriptive and Clinical Anatomy, Medical University of Warsaw, Warsaw, Poland
  2. Cardiovascular Interventions Laboratory, The Children’s Memorial Health Institute, Warsaw, Poland
Adv Interv Cardiol 2022; 18, 3 (69): 276–282
DOI: https://doi.org/10.5114/aic.2022.120377
Online publish date: 2022/10/19
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Introduction
A number of studies on using both three-dimensional printing and virtual models in assessment of aortic coarctation have been published, yet none of them uses virtual modelling as a planning tool in a blind retrospective analysis. Aim: Assessment of virtual modelling and virtual reality in planning interventional treatment of aortic coarctation.

Material and methods
The study involved computed tomography scans of 20 patients performed prior to interventional treatment of aortic coarctation, which were used to create a virtual three-dimensional model of the aorta in Materialise Mimics. A group of potential stents was modelled in Materialise 3-Matic and complete simulations were assessed in Mimics Viewer using a virtual reality headset in order to choose an optimal stent, which was later compared with the implanted one.

Results
In 5 cases identical or very similar stents were proposed, in 12 cases simulations had slight, potentially avoidable misestimations either in stent length or diameter, and in 3 cases differences were more considerable. Overall, in 14 cases the location of the stent was concordant between the simulation and reality and in the remaining 6 cases the simulated stent was located lower than the actual one.

Conclusions
The method of computer modelling provided a satisfactory success rate of predicting the possible stents to use during the procedure. Differences in chosen stents may have been caused by individual experience in interventional cardiology, the lack of availability of certain stents in the heart catheterization laboratory, the lack of information about the diameter of the vascular access and differences in dimensions measured on the model, tomography and angiography.

keywords:

virtual reality, three-dimensional modelling, stents
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