Delayed subtotal coronary obstruction after transapical aortic valve implantation
Marian Kukucka1, Miralem Pasic, Stephan Dreysse
1Deutsches Herzzentrum Berlin, Augustenburger Platz 1, 13353 Berlin, Germany. kukucka@dhzb.de
Interactive Cardiovascular and Thoracic Surgery
|November 25, 2010
Summary
A rare complication of transapical aortic valve implantation (TAVI) is delayed coronary artery obstruction. Careful post-procedure evaluation is crucial for early detection and management of this serious TAVI complication.
Area of Science:
- Cardiology
- Interventional Cardiology
- Cardiac Surgery
Background:
- Transapical aortic valve implantation (TAVI) is a minimally invasive procedure for aortic valve stenosis.
- Complications, though rare, require vigilant monitoring and management.
- Coronary artery obstruction is a potential, albeit infrequent, complication.
Observation:
- A case of left main coronary artery obstruction occurred after a TAVI procedure.
- The obstruction was detected via routine transesophageal echocardiography post-procedure.
- This event highlights a delayed presentation of coronary obstruction.
Findings:
- Subtotal obstruction of the left main coronary artery was diagnosed post-TAVI.
- Prompt coronary stent implantation successfully resolved the myocardial ischemia.
- The findings indicate that coronary obstruction can manifest later, not just during the procedure.
Implications:
- Patients undergoing TAVI require thorough early post-procedure surveillance.
- Delayed coronary artery obstruction is a critical consideration in TAVI patient care.
- This case underscores the importance of comprehensive echocardiographic assessment following TAVI.


