论文部分内容阅读
本文结合经手木证实的51例PDA的临床资料,探讨超声检查对其的诊断价值。本组病例二维超声显象检查45例,发现肺动脉分叉部和降主动脉之间有“暗区沟通”征象32例(71.1%);进行脉冲多普勒超声检查33例,见到以舒张期为主的双期湍流频谱31例(93.9%)。与手术结果对照,两种超声检查方法诊断符合率均为100%。并指出二维超声显象未见“暗区沟通”征象不能完全除外PDA。两种超声检查方法相结合可减少PDA诊断的假阴性或假阳性结果。分析了PDA合并肺动脉高压时超声心动图的特征。
In this paper, the clinical data of 51 cases of PDA confirmed by wood, to explore the diagnostic value of ultrasound. This group of patients examined by two-dimensional ultrasound 45 cases found pulmonary artery bifurcation and descending aorta “dark area communication” signs in 32 cases (71.1%); pulsed Doppler ultrasound in 33 cases, seen to Twenty-one cases (93.9%) of diastolic-predominant two-phase turbulence spectrum. Compared with the surgical results, the diagnostic accuracy of the two methods of ultrasonic examination were 100%. And pointed out that two-dimensional ultrasound showed no “dark area communication” signs can not be completely except PDA. The combination of two ultrasonographic methods can reduce the false-negative or false-positive results of a PDA diagnosis. The characteristics of echocardiography with PDA combined with pulmonary hypertension were analyzed.