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Published on: June 3, 2018
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Chimney Stenting During Transcatheter Aortic Valve Implantation
Liesbeth Rosseel1, Michael Rosseel2, Brian Hynes1
1Department of Cardiology, Galway University Hospital Galway, Ireland.
Interventional Cardiology (London, England)
|July 28, 2020
Summary
Chimney stenting protects coronary arteries during transcatheter aortic valve implantation. This technique offers a bailout option for preventing life-threatening coronary artery obstruction.
Area of Science:
- Cardiology
- Interventional Cardiology
- Cardiac Surgery
Background:
- Acute coronary artery obstruction is a rare but serious complication of transcatheter aortic valve implantation (TAVI).
- Patients undergoing TAVI may be at risk for coronary artery obstruction.
- Existing protective measures include coronary wires, balloons, or stents as bailout options.
Purpose of the Study:
- To describe the procedural steps of chimney stenting for coronary artery protection during TAVI.
- To summarize the available short- and long-term outcome data for chimney stenting.
Main Methods:
- The study details the technique of performing chimney stenting.
- It involves placing a stent in the coronary artery before or during TAVI to maintain flow.
- Outcome data from existing literature were summarized.
Main Results:
- Chimney stenting is presented as a viable bailout strategy.
- Short- and long-term outcomes associated with the technique are discussed.
Conclusions:
- Chimney stenting is an effective method for preventing coronary artery obstruction during TAVI.
- This technique provides a valuable bailout option for at-risk patients.
