Vasovagal syncope
Conditions
Interventions
Non recurrent group:NA
Recurrent group:NA
Sponsors
The First Affiliated Hospital of Xi'an Jiaotong University
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Age is 18~65 years old; 2. Meets the diagnostic criteria for VVS in the 2018 European Society of Cardiology Guidelines for the Diagnosis and Management of Syncope and is determined to be treated with CNA as clinically warranted; 3. The number of syncope episodes >= 3 times, and at least 1 episode of syncope within half a year; 4. Voluntary participation in the study, signed informed consent;
Exclusion criteria
Exclusion criteria: 1. Presence of other possible causes of syncope, such as organic heart disease, arrhythmias, or vertebrobasilar artery abnormalities; 2. History of pacemaker, ICD, or CRT-D implantation; 3. Cardiovascular disease: myocardial infarction within 6 weeks, severe cardiac insufficiency (New York Heart Association cardiac function class III.~IV.); 4. Neurological disorders: history of stroke or transient ischemic attack, epilepsy; 5. Diseases of the endocrine system: diabetes, thyroid diseases; 6. Infectious diseases: hepatitis B, hepatitis C, syphilis, etc. 7. Have a severe mental illness or cognitive dysfunction, unable to understand the content of the study or follow the requirements of the study; 8. Pregnant, lactating women or planning to become pregnant during the follow-up period; 9. Participated in other clinical trials in the past three months; 10. Refused to sign the informed consent form to participate in this study;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Time to the first syncope recurrence;Levels of biomarkers; | — |
Secondary
| Measure | Time frame |
|---|---|
| Heart rate and rhythm; | — |
Countries
China
Contacts
Public ContactLi Guoliang
The First Affiliated Hospital of Xi'an Jiaotong University
Outcome results
None listed