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. 2022 May 15;18(1):68-70.
doi: 10.4244/EIJ-D-21-01021.

Mechanisms of ineffective patent foramen ovale closure using the percutaneous suture-mediated NobleStitch system

Jessica Zannoni  1 , Antonio Popolo Rubbio  1 , Maurizio B Tusa  1 , Anca I Corciu  1 , Matteo Casenghi  1 , Gaspare Cannone  1 , Marta Barletta  1 , Elisa Stefanini  1 , Valentina Mantovani  1 , Riccardo Gorla  1 , Nedy Brambilla  1 , Luca Testa  1 , Francesco Bedogni  1 , Federico De Marco  1
Affiliations

Mechanisms of ineffective patent foramen ovale closure using the percutaneous suture-mediated NobleStitch system

Jessica Zannoni et al. EuroIntervention. .
No abstract available

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Conflict of interest statement

The authors have no conflicts of interest to declare.

Figures

Figure 1
Figure 1. Representative transoesophageal echocardiographic images of different mechanisms of ineffective PFO closure.
A. Incomplete stitch detachment: one of the most frequently identified mechanisms of ineffective PFO closure was partial stitch detachment with opening of the foramen ovale and right-to-left passage of microbubbles at bubble test. In this case the stitch is placed only on the septum secundum; B. Incomplete stitch detachment: the same mechanism described in (A) but in this case the NobleStitch was found on the septum primum resulting in recurrent atrial shunt; C. Atrial septal tear: a new atrial septal tear occurred very close to the stitch after the NobleStitch procedure causing a left-to-right shunt; D. KwiKnot embolisation: complete detachment of the stitch and the KwiKnot into the pulmonary circulation resulting in PFO reopening. PFO: patent foramen ovale; RLS: right-to-left shunt; TOE: transoesophageal echocardiography
See this image and copyright information in PMC

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