Left Atrial Appendage Occluder Implantation
A Left Atrial Appendage (LAA) Occluder Implantation is a minimally invasive heart procedure used to reduce the risk of stroke in patients with atrial fibrillation (AF) who cannot take long-term blood-thinning medication. It provides a safe and effective alternative for stroke prevention when anticoagulation is unsuitable or contraindicated.
At CardioOne, our cardiologists perform this procedure using advanced imaging and catheter-based techniques to ensure accuracy, safety, and optimal long-term results.
What Is the Left Atrial Appendage?
The left atrial appendage is a small, ear-shaped pouch in the upper left chamber of the heart. In patients with atrial fibrillation, blood can stagnate in this area, increasing the risk of clot formation. If a clot leaves the appendage, it can travel to the brain and cause a stroke.
Closing this pocket with an occluder device prevents blood from entering and pooling there, significantly lowering stroke risk.
Why Is the Procedure Performed?
LAA occlusion may be recommended if you have:
- Atrial fibrillation and a high risk of stroke
- A history of bleeding or other complications from anticoagulant therapy
- Contraindications to long-term use of warfarin or newer anticoagulants
This approach offers an alternative for stroke prevention without the ongoing risks of blood-thinning medication.
State-of-the-art Facility
Located in Chermside Health Hub
Level 2, 621 Gympie Rd, Chermside
How the Procedure Is Performed
The procedure is performed under general anaesthesia in a specialised cardiac catheterisation laboratory. Using X-ray and echocardiographic guidance, your cardiologist inserts a thin, flexible catheter into a vein in the groin and advances it into the left atrium through a small puncture in the septum.
The occluder, a small, umbrella-like device, is then guided into the left atrial appendage and expanded to seal its opening. Once placement and seal are confirmed, the device is released, and the catheter is withdrawn.
The entire procedure typically takes one to two hours.
Recovery and Follow-Up
You will be monitored overnight in hospital. Most patients go home the next day and can resume light activities shortly after discharge.
A follow-up transoesophageal echocardiogram (TOE) is usually performed six to eight weeks later to confirm the device is securely in place and fully sealed. You may need to take blood-thinning medication for a few weeks after the procedure to reduce the risk of clot formation while tissue heals over the device.
Once healed, the occluder remains in place permanently.
Long-Term Management
Patients continue regular follow-up appointments with their cardiologist to monitor overall heart rhythm and stroke risk. Most people experience no sensation from the device once healed, and no external maintenance is required.