paroxysmal atrial fibrillation
Conditions
Interventions
Case series:cryoablation of PV
Sponsors
Zhongshan Hospital Affiliated to Fudan University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Aged 18 to 80 years old; 2. paroxysmal atrial fibrillation patients accompanied by symptoms; 3. patients suffering from paroxysmal atrial fibrillation who has taken no less than one kind of Class I or III antiarrhythmic drugs but the treatment effect is not good or has no good result, or who is drug intolerance, or who is not willing to take antiarrhythmic drugs; 4. Be able to understand the purpose of the experiment, participate in the experiment voluntarily and has signed the informed consent file.
Exclusion criteria
Exclusion criteria: 1) Echocardiography showed the anteroposterior diameter of the left atrium >=55 mm; 2) Preoperative CT or transesophageal echocardiography showed thrombus in left atrium / left atrial appendage; 3) Patients who had undergone left atrial ablation or left atrial surgery; 4) NYHA grade III or IV congestive heart failure or LVEF (%) less than 40%; 5) Patients who have undergone valve repair operation; 6) Secondary atrial fibrillation (AF) includes hyperthyroidism without effective control of AF after cardiac surgery for acute alcoholism; 7) There is a history of acute coronary events or percutaneous coronary intervention within 6 months before enrollment; 8) Patients with a history of ICD implantation or cardiac resynchronization therapy (CRT); 9) There is a history of stroke or transient ischemic attack within 3 months before enrollment; 10) Patients with obvious bleeding tendency and unable to accept postoperative systemic anticoagulation; 11) Severe organic heart diseases include moderate to severe mitral insufficiency or stenosis, previous myocardial infarction and hypertrophic cardiomyopathy; 12) The life expectancy of patients with other serious diseases is less than 12 months; 13) Women during pregnancy, lactation and preparation for pregnancy; 14) Those who have participated in or are participating in clinical research of other drugs or devices within 3 months before enrollment; 15) Other cases that are not suitable for inclusion in this study assessed by researchers, such as mental or psychological disorders.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| treatment success rate within 12 months after operation; | — |
Countries
China
Contacts
Public ContactNie, Zhenning
Zhongshan Hospital Affiliated to Fudan University
Outcome results
None listed