心脏外科术前诊断中超声心动图误诊分析九年的回顾性研究

为了分析超声心动图的误诊原因，总结经验教训，以提高超声在心脏外科术前诊断中的准确率，我们回顾性地研究了从１９８６年到１９９４年九年间的超声误诊病例。与手术所见对比，按照我们提出的诊断符合标准，共有７９例超声误诊。７８例（９８．７３％）为先天性心脏病，表明先天性心脏病是超声误诊的主要疾病类型。与手术所见相比完全不同者１例（１．２６％），仅给出次要诊断者１例（１．２６％），多出或缺少主要诊断者７７例（９７．４６％）。超声误诊的主要原因是：诊断技术的限制，心脏疾病的复杂性和操作水平的差异性。我们认为超声检查的误诊病例，绝大多数来源于主要诊断的多出和缺少，经胸超声技术本身的限制性是导致误诊的主要原因。

Echocardiographic Misdiagnosis in the Preoperative Diagnosis of Cardiac Surgery A nine-year''s retrospective study

To evaluate the reasons that cause the misdiagnosis of echocardiography (ECHO),and im prove the preoperative diagnostic accuracy of ECHO by learning the lessons,the misdiagnosed cases of ECHO in the nine year period from 1986 to 1994 were retrospectively studied.Compared with the surgical findings,and according to our diagnostic correlation standards, there are 79 misdiagnoses,of these,78 (98.73%) are congenital heart diseases.Thus the dominant type of heart disease that causes misdiagnosis of ECHO is congenital heart dis ease.The diagnosis of ECHO that is completely different from the surgical findings is 1 case (1.26%),that gives only minor diagnosis is 1 case (1.26%),that add or lose major diagnoses are 77 cases (97.46).The major rea sons that cause misdiagnosis are limitations of the diagnostic techniques, complexity of the heart disease and the different experience of operators.We conclude that the misdiagnoses of ECHO are mainly addition or loss of ma jor diagnoses,the dominant reasons cause the misdiagnoses are limitations of transthoracic ECHO.