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为了评价多平面经食管超声心动图（ＭＴＥＥ）定性和定位诊断房间隔缺损（ＡＳＤ）的价值，我们在２７例均由手术证实的ＡＳＤ患者中进行了经胸超声心动图（ＴＴＥ）和ＭＴＥＥ的系统研究。其中原发孔型ＡＳＤ３例，继发孔型ＡＳＤ２１例（其中４例患者具有２个ＡＳＤ），静脉窦型ＡＳＤ３例（均合并部分肺静脉畸形引流）。结果显示，３例原发孔型ＡＳＤ，ＴＴＥ和ＭＴＥＥ与手术的诊断符合率为１００％；２１例继发孔型ＡＳＤ的２５个ＡＳＤ，ＭＴＥＥ与手术的诊断符合率为１００％，ＴＴＥ与手术的诊断符合率为８８％，缺损直径≤５ｍｍ时，ＴＴＥ与手术的诊断符合率为０％（０／１），缺损直径５～１０ｍｍ时，ＴＴＥ与手术的诊断符合率为７５％（３／４）；缺损直径＞１０ｍｍ时，ＴＴＥ与手术的诊断符合率为９５％（１９／２０）。３例静脉窦型ＡＳＤ，ＭＴＥＥ与手术的诊断符合率为１００％，ＴＴＥ与手术的诊断符合率为３３．３％。３条部分肺静脉畸形引流，ＭＴＥＥ与手术的诊断符合率为６６．７％，ＴＴＥ未发现部分肺静脉畸形引流，ＴＴＥ与手术的诊断符合率为０％。显然对于小型继发孔型ＡＳＤ、多发性ＡＳＤ、静脉窦型ＡＳＤ及合并的部分肺静脉畸形引流，ＭＴＥＥ的诊断价值明显高于ＴＴＥ?
To assess the value of multiplane transesophageal echocardiography (MTEE) in the diagnosis and localization of atrial septal defect (ASD), we performed transthoracic echocardiography (TTE) and MTEE in 27 patients with ASD confirmed by surgery system Research. Among them, there were 3 cases of primary orifice type ASD, 21 cases of secondary orifice type ASD (4 of them had 2 ASDs) and 3 cases of sinusoid ASD (all of which were associated with partial pulmonary venous anomalies drainage). The results showed that the coincidence rate of three cases of primary perforation ASD, TTE and MTEE with the diagnosis of surgery was 100%. The 25 ASDs of 21 cases with secondary perforation ASD had 100% coincidence with the diagnosis of MTEE, The diagnostic accuracy of TTE was 75% (3/10) when the diameter of defect was less than or equal to 5mm, the coincidence rate of TTE and operation was 0% (0/1) and the diameter of defect was 5 ~ 10mm 4). When the diameter of defect was> 10mm, the coincidence rate of TTE and operation was 95% (19/20). The coincidence rate of sinus venous ASD and MTEE was 100% and the coincidence rate of TTE and operation was 33.3%. Three partial pulmonary venous anomalies were drained. The coincidence rate of MTEE and operation was 66.7%. No pulmonary venous anomalies were found in TTE. The coincidence rate of TTE and operation was 0%. Obviously, the diagnostic value of MTEE is significantly higher than that of TTE in small subdural ASD, multiple ASD, sinusoid ASD and combined partial pulmonary venous anomalies.