Risk factors of vasovagal syncope
10.3760/cma.j.issn.1673-4408.2011.06.003
- VernacularTitle:血管迷走性晕厥发病因素研究进展
- Author:
Ping LIN
;
Haiyan LUO
;
Cheng WANG
- Publication Type:Journal Article
- Keywords:
Syncope,vasovagal nature;
Risk factor
- From:
International Journal of Pediatrics
2011;38(6):535-537
- CountryChina
- Language:Chinese
-
Abstract:
Vasovagal syncope (VVS)is the most common clinical unexplained syncope,and its pathogenesis has not been fully understood yet.The contradictory reflection of cardiac autonomic nervous system caused by riggerring Bezold-Jarisch reflex,which could cause dilated blood vessels,blood pressure and cardiac output decreased,insufficient blood supply to the brain relate with syncope occurrence.Currently,most people consider it mainly relatel to the age and gender of patients,history of syncope,family history,mental and psychological factors,dietary habits and other factors,but the exact risk factors of VVS remains further study of multi-center and a large sample of data.