Case Report Catheter Cardiovasc Interv 2025

Arterial Gas Embolism During Mitral Transcatheter Edge-to-Edge Repair: Prevention, Management, and Treatment: Case Report and Review of the Literature

Aranzulla T, Civera S, Maffi L, Musumeci G — Catheter Cardiovasc Interv, 2025

View Original on PubMed PMID 40364585

Tier 2, Indexed

Automatically imported from PubMed based on relevance criteria.

Summary

What Researchers Did

Doctors reported the first known case of a stroke caused by air entering the arteries during a MitraClip heart valve repair procedure, and how HBOT was used to treat the resulting arterial gas embolism.

What They Found

The patient suffered AGE-related stroke from a faulty clip introducer during the heart procedure. HBOT was started more than 18 hours after the event, well outside the typical treatment window, yet the patient achieved complete recovery. The case also identified a previously overlooked source of air entry in MitraClip devices.

Canadian Relevance

Arterial gas embolism is a covered OHIP indication for HBOT in Ontario. This case supports use of HBOT even with delayed treatment initiation.

Study Limitations

Single case reports cannot establish general treatment rules or determine how often delayed HBOT leads to full recovery.

This plain-language summary is generated with AI assistance and checked against the source abstract before publication. See our editorial policy.

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Study Details

Study Type	Case Report
Category	Neurological
Source	Pubmed
PubMed ID	40364585
Year Published	2025
Journal	Catheter Cardiovasc Interv
MeSH Terms	Humans; Embolism, Air; Hyperbaric Oxygenation; Cardiac Catheterization; Mitral Valve; Treatment Outcome; Mitral Valve Insufficiency; Heart Valve Prosthesis Implantation; Male; Stroke; Heart Valve Prosthesis; Aged

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Disclaimer: This study summary is provided for informational and educational purposes only. It does not constitute medical advice. The information presented reflects the findings of the original research authors and may not represent the views of Canada Hyperbarics. Always consult a qualified healthcare professional before making treatment decisions.

Last reviewed: March 19, 2026 | Reviewed by: Canada Hyperbarics Editorial Team | Editorial process | Research sources | Counts & methodology