斑點(diǎn)追蹤應(yīng)變成像評(píng)價(jià)正常人左心房與右心房功能的差異性
[Abstract]:Objective to investigate the difference of (RA) function between left atrium and right atrium by 2D speckle tracking echocardiography,2DSTE. Methods Tom Tec software was used to analyze the atrial strain and strain rate parameters: the whole longitudinal peak strain 蔚 s, which reflected the storage function of atrium, was obtained from 148 normal subjects. The peak longitudinal strain 蔚 _ e of the early diastolic atrium, the global longitudinal peak strain 蔚 _ a of the late diastolic phase reflecting the atrial pump function, and the strain rate parameter SRs,SRe,SRa. of the corresponding phase are reflected in the early diastolic function of the atrium. Results the maximum volume of LA was (43 鹵11) ml, storage function parameter [filling volume (30 鹵9) ml, expansion index was (193 鹵92)%]. The diastolic emptying index (63 鹵11)% and the passive emptying index (30 鹵10)% were significantly higher than those of RA [(38 鹵10) ml, (21 鹵7) ml, (138 鹵79)%, (54 鹵12)% and (25 鹵13)%, respectively] (P0.01). In contrast, the results of strain analysis showed that RA 蔚 s (59 鹵8)%, SRs (2.5 鹵0.7 / s, 蔚 e (32 鹵10)% and 蔚 a (-29 鹵11)% were significantly higher than LA 蔚 s (43 鹵6)%, SRs (2.3 鹵0.7 / s. 蔚 e (23 鹵5)% and 蔚 a (-20 鹵3)%, both P 0.01. Conclusion there is difference between LA and RA by 2DSTE technique.
【作者單位】: 上海市第六人民醫(yī)院超聲醫(yī)學(xué)科;
【基金】:上海市科學(xué)技術(shù)委員會(huì)科研計(jì)劃項(xiàng)目資助(134119a5801)
【分類(lèi)號(hào)】:R540.45
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