Reading basis: Based on the full editorial by Stefan Toggweiler and Mathias Wolfrum. This is commentary on research, not a new clinical trial.

Who is offering this perspective?

Stefan Toggweiler and Mathias Wolfrum, from Heart Center Lucerne in Switzerland, discuss the Zhang et al. PFO trial. Their article is an editorial commentary published in Cardiovascular Diagnosis and Therapy, rather than a paper authored by the Fuwai trial team. [1]

Reading an editorialDistinguish observation from interpretation.
  1. 01

    Original study

    What did the investigators measure and report?

  2. 02

    Editorial perspective

    What do the commentators find convincing or uncertain?

  3. 03

    Open question

    Which proposed benefit still needs investigation?

An editorial discusses evidence; it does not add a new randomized patient group. Source 1

What do they find encouraging?

The editorial recognizes the randomized comparison and two-year follow-up as useful evidence. It also discusses the possibility that resorbable technology could make future access across the atrial septum easier. The authors describe that potential benefit as something requiring demonstration. [1]

Where do they urge caution?

The authors emphasize that a modest trial cannot reliably exclude rare complications. They call for longer follow-up, multicenter registry data, rhythm monitoring and closer study of operator experience. Their conclusion does not establish bioresorbable closure as a replacement standard for all patients. [1]

How we suggest using an editorial

Our reading approach is to keep three questions separate: what the trial observed, what the commentators infer, and what future studies might establish. An editorial helps identify uncertainties; it is not a personalized treatment recommendation. If a proposed advantage matters to you, ask your doctor whether it has been measured or is still a research question.

  • Which proposed benefits have been demonstrated in people?
  • What is known about outcomes beyond the reported follow-up?
  • What experience does the treating team have with the specific device?

Where to read the original

  1. 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.

    Original publication ↗

This original reading note is prepared for the China Hospital Access website. It is not authored or endorsed by the researchers, and is not a reproduction of their publication. It provides general information, not an individual medical assessment.

Continue reading

Biodegradable PFO Closure: Reading the Circulation Trial ↗The JAMA Bioresorbable Occluder Trial: Why ASD Is Not PFO ↗Bioabsorbable VSD Closure: Understanding the Science Bulletin Study ↗
Questions to discuss with your clinical team ↗