Influence of right ventricular inlet septum pacing on heart function
10.3760/cma.j.issn.1673-4904.2010.01.010
- VernacularTitle:右心室流入道间隔部起搏对心功能的影响
- Author:
Baoming ZOU
;
Jingwu WANG
;
Min XU
;
Kelu SUN
;
Li WANG
- Publication Type:Journal Article
- Keywords:
Pacemaker,artificial;
Natriuretic peptide,brain;
Right ventricular inlet septum
- From:
Chinese Journal of Postgraduates of Medicine
2010;33(1):27-29
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the changes of heart function after pacing in right ventricular inlet septum(RVIS) and right ventricular apex(RVA). Methods VVI pacing was performed in 64 patients who were randomly divided into two groups: RVIS group (33 patients) and RVA group (31 patients). The changes of serum brain natriuretic peptide (BNP),pacing parameters and QRS interval were assessed in 24 hours, 3 months and 1 year after the ventricle was paced effectively. Results When the ventricle was paced effectively,the pacing parameters,including voltage threshold and electrode impedance were similar in different stages between the two groups. In 24 hours, 3 months and 1 year after the ventricle was paced effectively,the QRS interval in RVIS group were obviously narrower than those in RVA group [( 128.0±28.6 ) ms vs ( 150.0 ± 37.1 ) ms, ( 131.0±21.5 ) ms vs ( 153.0 ±28.5 ) ms, ( 130.0 ±19.7 ) ms vs ( 155.0±20.2) ms, P < 0.05 ]. After treatment, the level of serum BNP increased significantly in two groups. The BNP level in R VIS group was significantly lower than that in RVA group (P < 0.05). Conclusion The R VIS pacing is not only as safe and effective as RVA pacing, but also is more consistent with the physiological ventricular activation sequence.
