Abstract
Objective To study the effect of managed ventricular pacing (MVP) on the life quality of SSS patients with pacemakers.Methods Pacemakers with MVP algorithm were implanted in 15 patients.Conventional mode of DDDR was programmed in the first month post operation,and then MVP algorithm was programmed in the second month.Variation of the percentage of the accumulated ventricle pacing ( CumVP％ ),change of four kinds of pacing and perception state time percentage were analyzed respectively in DDDR and MVP.The quality of the life were tested by the quality of life questionnaire of Minnesota in heart failure subjects (LiHFe) in two monthes.Results During following-up,CumVP％ of the MVP algorithm was 1.6％ lower than 91.3％ of DDDR algorithm,and the difference of four kinds of pacing and perception state time percentage was statistically significant (U=130.5,P ＜0.01).In MVP algorithm the LiHFe total score (10.4 ±4.2) was significantly lower than that in the conventional DDDR algorithm (34.0 =3.4) ( t =49.4,P ＜ 0.01 ) ; the difference of other dimensions score in DDDR and MVP was statistically significant (P ＜ 0.01 ).Conclusions MVP algorithm for SSS patients implanted with cardiac pacemaker is a safe,effective and reliable intervention,which can improve their quality of life. Key words: Managed ventricular pacing; DDDR mode; Life quality; SSS
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