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Treatments & Procedures

Percutaneous and Endoscopic Interventions for Atrial Fibrillation

Atrial Fibrillation

(AF or AFib) is the most common irregular heart rhythm in the United States. It is an abnormal heart rhythm originating in the atria (top chambers of the heart). Instead of the impulse traveling in an orderly fashion through the heart, many impulses begin simultaneously and spread through the atria, causing a rapid and disorganized heartbeat.

The goals of treatment for atrial fibrillation include regaining a normal heart rhythm (sinus rhythm), controlling the heart rate, preventing blood clots and reducing the risk of stroke.

Many options are available to treat atrial fibrillation. These include medications, lifestyle changes, procedures and surgery. The choice of treatment for you is based on your heart rhythm and symptoms.

When medications do not effectively correct or control AF or when medications are not tolerated, a procedure may be necessary. Cleveland Clinic offers a non-surgical option (pulmonary vein antrum isolation) as well as several surgical treatments for atrial fibrillation (Maze procedure and surgical pulmonary vein isolation).

Robotically Assisted Catheter Ablation with Heart

Pulmonary Vein Antrum Isolation

This procedure is performed in the electrophysiology lab by a specially trained cardiologist. During the procedure, catheters are passed through the femoral veins (in the groin) and into the heart. Two catheters are inserted into the right atrium and two into the left atrium. The left atrium is accessed through a trans-septal puncture, and intracardiac echocardiography is used to visualize the atrium during the procedure. One catheter in the left atrium is used to map or locate the abnormal impulses coming from the pulmonary veins. The other catheter is used to deliver radiofrequency energy to ablate, or create lesions, outside the pulmonary veins. The procedure is repeated for all four pulmonary veins. The lesions heal and form a circular scar around the pulmonary veins within four to eight weeks. The scar tissue blocks any impulses firing from within the pulmonary veins, thereby "disconnecting" the pathway of the abnormal rhythm and curing atrial fibrillation.

Surgical Treatment for Atrial Fibrillation

Includes the Maze procedure and surgical pulmonary vein isolation. The Maze procedure involves making a series of precise incisions in the right and left atria to confine the electrical impulses to defined pathways. Surgical pulmonary vein isolation is a modification of the Maze procedure in which the surgeon uses alternative energy sources such as radiofrequency waves, cryothermy, microwave or laser to create lesions that interrupt the random electrical pathways. By blocking the abnormal electrical impulses from being conducted through the heart, this promotes normal conduction of impulses through the proper pathway. Surgical treatment for atrial fibrillation can be performed during other types of heart surgery, such as valve or bypass surgery.

At Cleveland Clinic, surgery for treatment of atrial fibrillation often can be performed with minimally invasive (endoscopic or "keyhole") surgical techniques.

3D Image of Postoperative CT

3D Image of Postoperative CT—Left Atrial
Appendage Ligation

Robotically-Assisted Catheter Ablation

During the robotically-assisted catheter ablation procedure, the surgeon’s hands control the movement and placement of the endoscopic instruments to open the pericardium (thin sac that surrounds the heart). The instruments are used to precisely place the catheter for ablation, in which energy is applied to correct the abnormal heart rhythm. Catheter ablation is used to treat certain forms of atrial fibrillation (an irregular heart rhythm arising from the upper chambers of the heart).

Left Atrial Appendage (LAA)

Patients who have treatments for atrial fibrillation often ask about Left Atrial Appendage Closure.

 

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Call a Heart & Vascular Nurse locally 216.445.9288 or toll-free 866.289.6911.

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This information is provided by Cleveland Clinic and is not intended to replace the medical advice of your doctor or health care provider. Please consult your health care provider for advice about a specific medical condition.

© Copyright 2014 Cleveland Clinic. All rights reserved.

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