【摘要】：目的采用二維斑點(diǎn)追蹤(2D-STE)技術(shù)評(píng)價(jià)系統(tǒng)性紅斑狼瘡(SLE)患者的右心房功能變化。方法選取A組(對(duì)照組)為健康志愿者30例。根據(jù)患者肺動(dòng)脈收縮壓(PASP)不同的SLE患者102例分為3組(實(shí)驗(yàn)組),B組PASP≤30mm Hg,C組30mm HgPASP50mm Hg,D組PASP≥50mm Hg。采用常規(guī)二維超聲測(cè)量心室收縮期末右心房的最大容積、最小容積及右心房的收縮前容積(RAVmax、RAVmin及RAVpre),計(jì)算右心房的被動(dòng)排空分?jǐn)?shù)及其主動(dòng)排空分?jǐn)?shù)(RAPEF及RAAEF)。2D-STE技術(shù)獲取收縮期右心房整體峰值應(yīng)變率、舒張?jiān)缙谟倚姆空w峰值應(yīng)變率及舒張晚期右心房整體峰值應(yīng)變率(SRs、SRe及SRa)。結(jié)果 B組所有測(cè)量的結(jié)果同A組相比無統(tǒng)計(jì)學(xué)意義(均P0.05)。C組中RAVmax、RAVmin、RAVpre、RAAEF和SRa與A、B組相應(yīng)值比較均增大(均P0.05),RAPEF、SRe和SRs均減小(均P0.05)。D組中RAVmax、RAVmin、RAVpre、RAAEF和SRa與A、B、C組比較明顯增大(均P0.05),RAPEF、SRe和SRs明顯減小(均P0.05)。結(jié)論 2D-STE可以評(píng)價(jià)不同程度PASP的SLE患者的右心房的功能。
[Abstract]:Objective to evaluate the right atrial function in patients with systemic lupus erythematosus (SLE) by two-dimensional spot tracing (2D-STE). Methods A group of 30 healthy volunteers were selected. According to pulmonary artery systolic pressure (PASP), 102 patients with SLE were divided into 3 groups (experimental group), PASP 鈮，

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