Related Experiment Video
Updated: Feb 2, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
Cryoballoon ablation beyond paroxysmal atrial fibrillation
Laura Rottner1, Thomas Fink, Karl-Heinz Kuck
1Department of Cardiology, Asklepios Klinik St. Georg, Hamburg, Germany.
Cryoballoon ablation is an effective treatment for atrial fibrillation, including persistent forms, not just paroxysmal atrial fibrillation. Further research into advanced cryoballoon strategies may broaden its clinical application.
Area of Science:
- Cardiology
- Electrophysiology
- Medical Devices
Background:
- Radiofrequency ablation was the standard for atrial fibrillation treatment.
- Cryoballoon ablation is a common alternative, with most data on paroxysmal atrial fibrillation (PAF).
Purpose of the Study:
- To review current knowledge on cryoballoon ablation for conditions beyond paroxysmal atrial fibrillation, particularly persistent atrial fibrillation.
- To explore expanding applications of cryoballoon technology in atrial fibrillation ablation.
Main Methods:
- Review of recent studies and case reports on cryoballoon ablation strategies.
- Analysis of data concerning cryoballoon efficacy in various atrial fibrillation types.
Main Results:
- Cryoballoon ablation is effective for pulmonary vein isolation (PVI) in both paroxysmal and persistent atrial fibrillation.
- Emerging strategies beyond PVI show potential for wider cryoballoon application and improved outcomes.
Conclusions:
- Cryoballoon PVI is a recommended option for both paroxysmal and persistent atrial fibrillation.
- Further investigation of advanced cryoballoon ablation techniques is warranted to expand its clinical utility.
Related Concept Videos
Amyloid Fibrils
Amyloid deposits were observed as early as 1639 in the liver and the spleen. In 1854, Rudolph Virchow performed iodine staining,...
Amyloid Fibrils
Fibril-associated Collagen
For example, the type II collagen fibrils in cartilage have covalently bound type IX fibril-associated collagens at regular intervals. Other types of fibril-associated collagens are...
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias
Structural Protein Function
Collagen, the most abundant protein in mammals, is found throughout the body. In connective tissue, such as skin, ligaments, and tendons, it provides tensile strength and elasticity. In bones and teeth, it mineralizes to...
Globular and Fibrous Proteins
Globular proteins are also known as spheroproteins and typically are approximately round in shape. They contain a mix of amino acid types and contain differing sequences in their primary structures. Globular proteins have many different functions, such as enzymes, cellular messengers, and molecular transporters. These roles often require the proteins to be...

