A Modified Atrial Volume Reduction Technique for a Giant Left Atrium.

Area of Science:

• Cardiovascular Surgery
• Cardiac Electrophysiology
• Thoracic Surgery

Background:

• Giant left atrium (GLA) presents significant surgical challenges.
• Effective volume reduction is crucial for improving outcomes in GLA patients, especially those undergoing maze procedures.

Purpose of the Study:

• To describe a modified surgical technique for giant left atrial volume reduction.
• To evaluate the safety and efficacy of this technique in reducing left atrial volume and restoring sinus rhythm.

Main Methods:

• Circumferential resection of a left atrial wall strip with the appendage.
• Plication of pericardium to reconstruct the posterior atrial wall.
• Anastomosis of the free wall to the interatrial septum.

Main Results:

• The modified technique safely reduced giant left atria to the desired volume.
• A high rate of sinus rhythm restoration was achieved post-maze operation.

Conclusions:

• This modified volume reduction technique is a safe and effective approach for managing giant left atria.
• The technique facilitates successful sinus rhythm restoration when combined with maze procedures.