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Percutaneous vascular plug for incomplete surgical left atrial appendage closure
Justin P Levisay1, Sandeep Sangodkar, Michael H Salinger
1Evanston Hospital, Cardiology Division, Walgreen Building 3rd Floor, 2650 Ridge Ave, Evanston, IL 60201 USA. tfeldman@tfeldman.org.
The Journal of Invasive Cardiology
|April 11, 2014
Summary
Surgical left atrial appendage (LAA) exclusion often fails due to residual flow. This study presents a new technique to treat incomplete LAA ligation, addressing persistent LAA remnants without thrombus.
Area of Science:
- Cardiovascular Surgery
- Interventional Cardiology
Background:
- Surgical left atrial appendage (LAA) exclusion is used to prevent stroke in conditions like atrial fibrillation.
- Existing methods have a high failure rate (up to 60%) attributed to incomplete ligation or residual LAA flow.
Observation:
- Persistent residual flow in the LAA or significant LAA remnants are key reasons for surgical exclusion failure.
- A novel technique was developed to address incomplete surgical LAA ligation.
Findings:
- The study defines the mechanism behind the persistence of LAA remnants after incomplete ligation.
- The described technique effectively treats incomplete LAA exclusion, preventing thrombus formation in the remnant.
Implications:
- This work offers a potential solution to improve the efficacy of surgical LAA exclusion.
- Enhanced LAA management strategies could reduce stroke risk in patients undergoing these procedures.
