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Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat

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Published on: November 18, 2018

Acquired pulmonary vein stenosis: one problem, two mechanisms.

Anna M Booher¹, David S Bach

¹Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, MI 48109-5853, USA. amanion@med.umich.edu

Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography

|February 9, 2010

Summary

Pulmonary vein stenosis, once rare, is now increasingly seen after atrial fibrillation ablation and cardiac surgery. This report details two such cases, highlighting a growing procedural complication.

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Area of Science:

Cardiology
Interventional Cardiology
Pulmonary Medicine

Background:

Acquired pulmonary vein (PV) stenosis was historically rare, linked to neoplasms or inflammatory conditions like sarcoidosis.
The rise in catheter-based ablation for atrial fibrillation has led to increased recognition of PV stenosis as a procedural complication.
PV stenosis has also been documented as a rare complication following cardiac surgery.

Observation:

This report presents two distinct cases of acquired PV stenosis.
The first case involved a patient who developed PV stenosis after undergoing multiple left atrial ablation procedures.
The second case involved a patient who developed PV stenosis after surgical cannulation of the right upper pulmonary vein.

Findings:

Acquired pulmonary vein stenosis is an emerging complication associated with cardiac interventions.
Both catheter-based ablation and surgical procedures carry a risk of inducing PV stenosis.
Clinical vigilance is required to identify and manage this complication.

Implications:

Increased awareness of PV stenosis is crucial for interventional cardiologists and cardiac surgeons.
Further research may be needed to elucidate the mechanisms and optimize preventative strategies for PV stenosis.
Timely diagnosis and management can potentially improve patient outcomes following cardiac procedures.