本文選題：三維超聲　切入點(diǎn)：斑點(diǎn)追蹤　出處：《中國超聲醫(yī)學(xué)雜志》2017年02期 　論文類型：期刊論文

【摘要】：目的探討實(shí)時(shí)三維超聲心動(dòng)圖(RT-3DE)與斑點(diǎn)追蹤技術(shù)(STI)評(píng)價(jià)房顫患者射頻消融術(shù)前后左房結(jié)構(gòu)及功能重構(gòu)的臨床價(jià)值。方法利用RT-3DE分別獲得33例陣發(fā)性房顫患者消融術(shù)前、術(shù)后3d、術(shù)后6個(gè)月及25例健康志愿者的左房最大容積、最小容積、射血分?jǐn)?shù)(LAVmax、LAVmin、LAEF),經(jīng)STI測(cè)得各組左房壁左室收縮期峰值應(yīng)變率、左室舒張?jiān)缙诜逯祽?yīng)變率、左房收縮期峰值應(yīng)變率(SRs、SRe、SRa)。結(jié)果 (1)與對(duì)照組相比,術(shù)前LAVmax、LAVmin增大,LAEF、SRs、SRe、SRa減小。(2)術(shù)后3d與術(shù)前相比,LAVmax、LAVmin、LAEF差異無統(tǒng)計(jì)學(xué)意義,SRs、SRe、SRa減小。(3)術(shù)后6個(gè)月與術(shù)后3d相比,LAVmax、LAVmin減小,LAEF及SRe、SRa、SRs增大。(4)術(shù)后6個(gè)月與對(duì)照組比較,LAVmax、LAVmin、LAEF、左房前壁、房間隔、下壁SRe、SRa、SRs差異無統(tǒng)計(jì)學(xué)意義,左房側(cè)壁、后壁SRe、SRa、SRs減小。結(jié)論射頻消融術(shù)后短時(shí)間內(nèi),處于左房功能頓抑期;術(shù)后6個(gè)月,左房結(jié)構(gòu)和功能逐漸恢復(fù)。RT-3DE及STI對(duì)評(píng)價(jià)消融術(shù)前后左房重構(gòu)有重要價(jià)值。
[Abstract]:Objective to evaluate the clinical value of real-time three-dimensional echocardiography (RT-3DE) and speckle tracing technique (STI) in evaluating left atrial structural and functional remodeling in patients with atrial fibrillation before and after radiofrequency ablation. Methods 33 patients with paroxysmal atrial fibrillation were obtained by RT-3DE before ablation. Left atrial maximum volume, minimum volume and ejection fraction of left atrium were measured 3 days after operation, 6 months after operation and 25 healthy volunteers. Left ventricular systolic peak strain rate and early left ventricular diastolic peak strain rate were measured by STI. The peak strain rate of left atrial systolic phase was compared with that of the control group. There was no significant difference between the preoperative LAVmaxand LAVmax / SReVmin and the preoperative LAVmax-LAVmin / LAVmin-LAEF (P < 0.05) 6 months after operation, compared with the postoperative 3 days after operation, the LAVmaxLAVmin decreased and the SReSRA SRS increased. There was no significant difference in SRs between SRS and SRS of the inferior wall, but the SRs of SRS in left atrial wall and posterior wall were decreased. Conclusion the SRs of SRS in the left atrium after radiofrequency ablation for a short period of time are in the period of left atrial functional depression, 6 months after operation, and 6 months after radiofrequency ablation. The gradual restoration of left atrial structure and function. RT-3DE and STI are of great value in evaluating left atrial remodeling before and after ablation.
【作者單位】： 蕪湖皖南醫(yī)學(xué)院弋磯山醫(yī)院超聲醫(yī)學(xué)科;浙江省人民醫(yī)院超聲醫(yī)學(xué)科;
【基金】：安徽省弋磯山醫(yī)院引進(jìn)人才科研基金項(xiàng)目(No.YR201511)
【分類號(hào)】：R540.45;R541.75

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本文編號(hào)：1569189