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Evidence library

Read the sources behind our research notes.

Original publications and correction notices linked from our current research library. PFO, ASD and VSD studies are listed separately because they concern different conditions.

PFO · Study reading note

Biodegradable PFO Closure: Reading the Circulation Trial

Zhang F, Dong J, Wei P, et al. Circulation. 2026;153(2):71–81. DOI: 10.1161/CIRCULATIONAHA.125.074609.
Correction to the trial. Circulation. 2026;153:e13. DOI: 10.1161/CIR.0000000000001411.

PFO · Editorial reading note

Bioresorbable PFO Closure: What Still Needs to Be Answered?

Toggweiler S, Wolfrum M. Bioresorbable patent foramen ovale closure—is less more? Cardiovasc Diagn Ther. 2026;16(4):58. DOI: 10.21037/cdt-2026-0209.

ASD · Related research

The JAMA Bioresorbable Occluder Trial: Why ASD Is Not PFO

Ouyang W, Jiang H, Yan X, et al. Bioresorbable vs Metallic Occluders for Transcatheter Atrial Septal Defect Closure: A Randomized Clinical Trial. JAMA. 2025;334(19):1740–1749. DOI: 10.1001/jama.2025.17639.

VSD · Related research

Bioabsorbable VSD Closure: Understanding the Science Bulletin Study

Transcatheter closure of perimembranous ventricular septal defect using a novel fully bioabsorbable occluder: multicenter randomized controlled trial. Science Bulletin. 2023. DOI: 10.1016/j.scib.2023.04.027.

These publications provide research context. Inclusion does not imply endorsement of China Hospital Access or determine the treatment appropriate for an individual patient.

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