CTICasesIatrogenic left pulmonary artery dissection post-right heart catheterization
Imaging findings
MRI angiogram shows a thin, subacute dissection flap in the left pulmonary artery trunk, which occurred following a right heart catheterization with wedge pressure measurements.
Key takeaways
Pulmonary artery dissection is a rare complication of right heart catheterization, often due to guidewire trauma or balloon over-inflation during wedge pressure measurement. In patients with pre-existing pulmonary hypertension, this carries an increased risk of rupture.
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