实时三维经食管超声心动图测定房间隔缺损最大径的价值评估
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摘要: 目的：探讨实时三维经食管超声心动图（realtime threedimensional transesophageal echocardiography, RT3DTEE）在测量房间隔缺损（atrial septal defect，ASD）最大径中的应用价值。方法：前瞻性分析2011年1月至2014年6月单中心筛查的继发孔中央型单孔ASD并接受封堵术患者的临床资料。比较RT3DTEE、二维经胸超声心动图（twodimensional transthoracic echocardiography,2DTTE）、二维经食管超声心动图(twodimensional transesophageal echocardiography,2DTEE) 测得的ASD最大径，并将三者与封堵器释放后的实际腰部直径进行相关性分析。结果：共31例患者入选，经RT3DTEE［（21.81±8.57） mm］、2DTEE［（20.31±8.50） mm］、2DTTE［（23.08±10.89） mm］测得的缺损最大径与封堵器释放后实际腰部直径［（20.99±8.15） mm］比较，差异均无统计学意义。经RT3DTEE、2DTEE、2DTTE测得的缺损最大径与实际腰部直径均高度相关，相关系数(r值)分别为0.902、0.981、0.897（P=0.000）。结论：RT3DTEE在测定ASD最大径方面较二维超声并无明显优势。
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关键词:
- 实时三维经食管超声心动图 /
- 房间隔缺损 /
- 最大径 /
- 封堵器
Abstract: Objective：To study the application value of realtime threedimensional transesophageal echocardiography (RT3DTEE) in measuring the maximal atrial septal defect (ASD) diameter. Methods：The clinical data of patients diagnosed as central, secundumtype, singlehole ASD and hospitalized for transcatheter closure from January 2011 to June 2014 in a single center were prospectively analyzed. The maximal ASD diameters measured by RT3DTEE, twodimensional transthoracic echocardiography (2DTTE) and twodimensional transesophageal echocardiography (2DTEE) were compared. Correlation between the maximal ASD diameters measured by three methods and occluder waist diameter after release were analyzed. Results：A total of 31 ASD patients were included. There was no significant difference between the maximal ASD diameters measured by RT3DTEE (［21.81±8.57］ mm), 2DTEE (［20.31±8.50］ mm), and 2DTTE (［23.08±10.89］ mm) and occluder waist diameter after release (［20.99±8.15］ mm). The maximal ASD diameters measured by RT3DTEE, 2DTEE, and 2DTTE were all highly correlated with the occluder waist diameter (r=0.902, 0.981, 0.897, respectively, P=0.000). Conclusions：Compared with twodimensional echocardiography, RT3DTEE has no advantage in measuring the maximal ASD diameter. -
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