Effect of Metoprolol Treatment in Vasovagal Syncope in Children
- VernacularTitle:美托洛尔治疗儿童血管迷走性晕厥的效果
- Author:
pei-jun, JIAN
;
jun-bao, DU
;
qing-you, ZHANG
- Publication Type:Journal Article
- Keywords:
metoprolol;
vasovagal syncope;
head-up tilt test;
child
- From:Journal of Applied Clinical Pediatrics
1992;0(05):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To explore the effect of the ?-blocker —metoprolol on the treatment of vasovagal syncope(VVS) in children.Methods Twenty-nine children with unexplained syncope and positive responses to head-up tilt test(HUT) were included in the study.Sixteen of them took metoprolol(treatment group) and 13 of them took vitamin B or oryzanol (control group) at least 2 weeks and HUT were repeated and syncope episodes were observed.Results In treatment group,9 of 16 patients had no syncope episode while 5 of 16 patients had fewer syncope episodes,1 case had more syncope episodes,and 1 case remained the same.HUT were repeated and 6 of 9 cases had negative outcome.In control group,1 of 13 patients had no syncope episode while 5 of 13 patients had fewer syncope episode,3 cases had more syncope episodes and 4 cases remained the same.HUT were repeated and 3 of 7 cases had ne-(gative) outcome.Conclusion These results indicate that adminstering metoprolol orally may be effective for VVS in children.
