Publications by authors named "Zhong-Jing Cao"
Background: Pulmonary vein isolation (PVI) alone for persistent atrial fibrillation (PersAF) remains controversial. The characteristics of cryoballoon ablation (CBA) to treat PersAF and the blanking period recurrence are underreported.
Methods: This study retrospectively analyzed patients with PersAF undergoing second-generation CBA for de novo PVI.
To compare the procedural outcomes of cryoballoon ablation (CBA) and radiofrequency ablation (RFA) in atrial fibrillation (AF) patients with the common ostium of inferior pulmonary veins (COIPV) and to explore the effect of COIPV on CBA performance through the assessment of anatomical factors. A total of 18 AF patients with COIPV were included. Pulmonary vein isolation (PVI) was performed with second-generation CBA or RFA.
View Article and Find Full Text PDFThe aim was to describe the incidence of atrial fibrillation (AF) after cavotricuspid isthmus (CTI) ablation in patients with typical atrial flutter (AFL) without history of AF and to identify risk factors for new-onset AF after the procedure. A total of 191 patients with typical AFL undergoing successful CTI ablation were enrolled. Patients who had history of AF, structural heart disease, cardiac surgery, or ablation or who received antiarrhythmic drug after procedure were excluded.
View Article and Find Full Text PDFCommon ostium of inferior pulmonary veins (COIPV) is a kind of pulmonary vein variation. The safety and efficacy of COIPV isolation using the second-generation cryoballoon (CB) ablation remain unknown. A total of 10 patients with COIPV from a consecutive series of 1,751 patients with atrial fibrillation (AF) were included.
View Article and Find Full Text PDFArticle Synopsis
- Researchers studied ways to find a special area called the conduction gap (CG) in a part of the heart called the left superior pulmonary vein during a procedure to treat a heart problem known as atrial fibrillation.
- They discovered that a specific time difference between two electrical signals in the heart, called far-field atrial potential (FFP) and pulmonary vein potential (PVP), could help locate the CG.
- The results showed that if this time difference is less than 5 milliseconds, it strongly predicts where the CG is, making it a reliable tool for doctors during treatment.
Background: Atrial fibrillation (AF) is a generally acknowledged turning-point of the natural history of hypertrophic cardiomyopathy (HCM); however, data from the cryoballoon ablation (CBA) for AF in HCM patients are relatively scarce. The study aimed to evaluate the efficacy and safety of CBA in HCM patients with AF.
Methods: We retrospectively analyzed HCM patients among 1253 patients with symptomatic AF who underwent CBA for pulmonary vein isolation in a single center.
Background: The safety and efficacy of superior vena cava (SVC) isolation using second-generation cryoballoon (CB) ablation remain unknown.
Methods: A total of 26 (3.2%) patients with SVC-related paroxysmal atrial fibrillation (AF) from a consecutive series of 806 patients who underwent second-generation CB were included.