...中被认为是Ⅳ型永存动脉干（truncus arteriosus）同年（1949年）Manhoff和Howe用"肺动脉缺如（absence of the pulmonary artery）"来描写肺血完全由身体大循环供应的情况这些个学者总是在争论：在肺动脉不存在的情况下，一条零丁的主动脉险些不能被认为是主动脉...
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前言：目的：探讨单侧肺动脉缺如的超声心动图表现。
Objective: To explore the echocardiography value in diagnosing unilateral absence of pulmonary artery (UAPA).
结论：超声心动图对单侧肺动脉缺如具有较高的诊断价值。
Conclusion: It is an effective method in the diagnosis of UAPA by echocardiography.
目的提高临床医生对左肺动脉缺如伴肺动脉高压的认识和诊治水平。
Objective To improve the recognition and diagnosis and treatment of congenital absence of left pulmonary artery accompanying pulmonary hypertension.
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