Objective: To find out some ragularity and relationship in thehemodynamics shortly after PBMV.Methods:55 cases of mitralstcnosis(MS)were studied who were performed PBMV successively inour hospital form Jan.1995 to JUn...Objective: To find out some ragularity and relationship in thehemodynamics shortly after PBMV.Methods:55 cases of mitralstcnosis(MS)were studied who were performed PBMV successively inour hospital form Jan.1995 to JUn.1997,male 13,female 42,ageranged 11-65 years old.Mitral valve area(MVA),left atriumdiameter(LAd)),pulmonary artery pressure(PAP-Dopplar)weredetected echocardiographically before PBMV and within a week afterPBMV.Left atrium pressure(LAP)and PAP-duct were also measuredbefore and after dilatation of mitral waive during PBMY.Results:MVA increased significantly after PBMV(p【0.05),AMY 0.68±0.31cm^2increased proportion 69.3±40.7%;LAP reduced significantly(p【0.05), ALAP 12.3±4.6mmHg,reduced proportion 37.5±16.8%differences between before and after operation in PAP-Dopplar,PAP-duct and LAD were not significant.Correlation existed in AMVAand ALAP,also in PAP-Dopplar and PAP-duct.Conclusion:AMVA canbe deduced from ALAP.ALAP can reflect the effect of PBMV.展开更多
目的探究在左房扩大的心房颤动(AF)患者中,左房前壁基质改变对窦性心律下12导联心电图V1导联P波终末电势(PTFV1)和心房激动时间(AAT)的影响。方法入选行经导管心内膜消融术且心房扩大的AF患者98例[73.5%为阵发性AF]。将患者分为3组:前...目的探究在左房扩大的心房颤动(AF)患者中,左房前壁基质改变对窦性心律下12导联心电图V1导联P波终末电势(PTFV1)和心房激动时间(AAT)的影响。方法入选行经导管心内膜消融术且心房扩大的AF患者98例[73.5%为阵发性AF]。将患者分为3组:前壁线性消融组(20例),前壁低电压组(21例)和对照组(57例)。记录所有患者术后的常规12导联心电图,比较各组之间PTFV1和AAT。结果前壁线性消融组较对照组PTFV1减小,AAT延迟[PTFV1:(0.007±0.011)mm·s vs (0.034±0.038)mm·s,P=0.024;AAT:(152.8±40.9)ms vs(91.6±21.1)ms,P<0.001];前壁低电压组患者较对照组的PTFV1亦减小,AAT亦延迟[PTFV1:(0.008±0.014)mm·s vs (0.034±0.038)mm·s,P=0.048;AAT:(137.7±40.8)ms vs (91.6±21.1)ms,P<0.001]。前壁线性消融组和前壁低电压组的PTFV1和AAT差别无显著性。结论左房扩大的患者, PTFV1减小,AAT延长提示左房前壁基质异常。展开更多
文摘Objective: To find out some ragularity and relationship in thehemodynamics shortly after PBMV.Methods:55 cases of mitralstcnosis(MS)were studied who were performed PBMV successively inour hospital form Jan.1995 to JUn.1997,male 13,female 42,ageranged 11-65 years old.Mitral valve area(MVA),left atriumdiameter(LAd)),pulmonary artery pressure(PAP-Dopplar)weredetected echocardiographically before PBMV and within a week afterPBMV.Left atrium pressure(LAP)and PAP-duct were also measuredbefore and after dilatation of mitral waive during PBMY.Results:MVA increased significantly after PBMV(p【0.05),AMY 0.68±0.31cm^2increased proportion 69.3±40.7%;LAP reduced significantly(p【0.05), ALAP 12.3±4.6mmHg,reduced proportion 37.5±16.8%differences between before and after operation in PAP-Dopplar,PAP-duct and LAD were not significant.Correlation existed in AMVAand ALAP,also in PAP-Dopplar and PAP-duct.Conclusion:AMVA canbe deduced from ALAP.ALAP can reflect the effect of PBMV.
文摘目的探究在左房扩大的心房颤动(AF)患者中,左房前壁基质改变对窦性心律下12导联心电图V1导联P波终末电势(PTFV1)和心房激动时间(AAT)的影响。方法入选行经导管心内膜消融术且心房扩大的AF患者98例[73.5%为阵发性AF]。将患者分为3组:前壁线性消融组(20例),前壁低电压组(21例)和对照组(57例)。记录所有患者术后的常规12导联心电图,比较各组之间PTFV1和AAT。结果前壁线性消融组较对照组PTFV1减小,AAT延迟[PTFV1:(0.007±0.011)mm·s vs (0.034±0.038)mm·s,P=0.024;AAT:(152.8±40.9)ms vs(91.6±21.1)ms,P<0.001];前壁低电压组患者较对照组的PTFV1亦减小,AAT亦延迟[PTFV1:(0.008±0.014)mm·s vs (0.034±0.038)mm·s,P=0.048;AAT:(137.7±40.8)ms vs (91.6±21.1)ms,P<0.001]。前壁线性消融组和前壁低电压组的PTFV1和AAT差别无显著性。结论左房扩大的患者, PTFV1减小,AAT延长提示左房前壁基质异常。