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One Staged Hybrid Approach of Surgical/Catheter Ablation for Persistent Atrial Fibrillation

Persistent Atrial Fibrillation Clinical Trial

Official title:
One Staged Hybrid Approach of Minimally Invasively Surgical/Catheter Ablation for Persistent Atrial Fibrillation: A Non-Randomized Controlled Trial

Clinical Trial Summary

There are 10 million atrial fibrillation (AF) patients in China, and the patients are risk of stroke, heart failure and sudden death. Persistent AF is still a refractory disease, and single catheter ablation only has a success rate around 30-50%. Hybrid strategy consisting of thoracoscopic epicardial ablation and transvenous endocardial ablation seems to be an attractive procedure to improve the treatment of persistent AF. However, only a few centers reported their preliminary results, and the conclusions are controversial. The investigator previously reported a minimally invasive surgical ablation from left thoracoscope only and achieved good results. Recently, the investigator successfully explored a hybrid procedure combing this unique surgical technique and transvenous catheter ablation. Here, the investigator present a study to evaluate the efficacy and safety of this novel hybrid procedure. The hypothesis is that a hybrid approach is more efficient than surgical ablation alone in the treatment of persistent AF.

This study is a non-randomized controlled study within a single institution. Isolated persistent AF patients admitted to the cardiovascular surgery department of Shanghai Xinhua Hospital will be screened for enrollment of this study. The study will recruit 180 patients in total. Based on their own willingness, the patients will be divided into hybrid group and minimally invasive (MIS) group. The MIS group patients only have surgical ablation surgery from left thoracoscope as the investigator reported before, while the hybrid group patients will have additional transvenous catheter ablation after the surgical ablation is done during the same operation. The ratio of hybrid to MIS group is expected to be 1:1, so that each group contains 90 patients. The perioperative data is collected, and the patients will be followed for 6 months. The primary outcome is the rate of sinus rhythm at 6 months post operation. The secondary outcomes include off antiarrhythmic drug rate, perioperative complications, major cardiovascular events, stroke, left ventricular systolic function, medical expense, serum brain natriuretic peptide level and quality of life. The aim is to evaluate the efficacy and safety of this novel hybrid procedure, therefore to provide more evidence of the hybrid strategy in the treatment of persistent AF.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02968056
Study type Interventional
Source Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
Contact Ju Mei, MD and PhD
Phone 86-21-25078030
Email ju_mei63@126.com
Status Recruiting
Phase N/A
Start date December 2016
Completion date October 2019
View Details
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