What question did this study set out to answer?

Evaluate the efficacy and safety of a 12-zig covered Cheatham-platinum stent for correcting sinus venosus defects.

Transcatheter Repair of Sinus Venosus Defect Using a 12‐zig Covered Cheatham‐Platinum Stent in Large Superior Vena Cava—Right Atrium Junctions: Early Multicenter Experience

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Multicenter analysis shows safe stent implantation improves outcomes in patients with complex SVD anatomy, implying less invasive options.

Evaluate the efficacy and safety of a 12-zig covered Cheatham-platinum stent for correcting sinus venosus defects.
Conducted a retrospective analysis of five symptomatic patients across two institutions.
Performed preprocedural imaging including echocardiograms, cardiac MRIs, and CT angiograms.
Utilized transoesophageal echocardiography for procedure guidance and balloon sizing for optimal stent placement.
All five patients successfully underwent stent implantation with no procedural complications.
Three patients required a second stent for residual leaks, which were effectively sealed.
Patients showed symptomatic improvement post-procedure with stable stent positions confirmed by imaging.

Fuensalida et al. (2026) studied this question.

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Multicenter analysis shows safe stent implantation improves outcomes in patients with complex SVD anatomy, implying less invasive options.