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Closure of a Patent Foramen Ovale (PFO): An Intervention Sequence
10:52

Closure of a Patent Foramen Ovale (PFO): An Intervention Sequence

Published on: December 23, 2022

Patent foramen ovale and embolic stroke "en flagrant délit"

Abdallah K Alameddine1, Victor K Alimov, Daniel Engelman

  • 1Cardiac Surgery Division, Baystate Medical Center, Springfield, Massachusetts 01107, USA. akalameddine@gmail.com

The American Journal of the Medical Sciences
|January 21, 2012
PubMed

Insights

A patent foramen ovale (PFO) may directly cause cryptogenic stroke. Researchers observed a large blood clot traveling through a PFO, providing direct evidence of its role in stroke.

Area of Science:

  • Cardiology
  • Neurology
  • Vascular Medicine

Background:

  • The link between patent foramen ovale (PFO) and cryptogenic stroke remains debated.
  • Establishing a direct causal relationship is crucial for understanding stroke mechanisms.

Observation:

  • A case study documented a patient with a moderate-sized PFO.
  • A large, actively migrating thrombus was visualized within the PFO.

Findings:

  • The direct observation of a thrombus traversing a PFO provides compelling evidence.
  • This finding supports a direct pathogenic role for PFO in cryptogenic stroke.

Implications:

  • This case strengthens the hypothesis that PFO can be a direct cause of stroke.
  • Further research into PFO closure as a stroke prevention strategy may be warranted.

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