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目的探讨超声心动图诊断胎儿完全性血管环(CVR)的临床价值。方法回顾性分析13例胎儿CVR的超声声像图特征,并随访临床结果。结果13例CVR胎儿,其中右位主动脉弓、左位动脉导管、伴迷走的左锁骨下动脉(RAA-LDA-ALSA)11例,双主动脉弓(DAA)2例。9例属于单发畸形,4例并发其他心内外畸形、或染色体异常。5例选择引产;8例继续妊娠,产后随访半年均无明显气管或食管受压症状。结论超声心动图是产前诊断CRV的可靠方法,具有较高的临床应用价值。
Objective To investigate the clinical value of echocardiography in the diagnosis of fetal complete vascular ring (CVR). Methods The echocardiographic features of 13 cases of fetal CVR were retrospectively analyzed and the clinical results were followed up. Results Thirteen CVR fetuses, including right aortic arch, left common artery catheter, 11 patients with vagal left subclavian artery (RAA-LDA-ALSA) and 2 patients with double aortic arch (DAA). 9 cases were single malformations, 4 cases complicated by other intracardiac malformations, or chromosomal abnormalities. 5 cases of induced abortion; 8 cases of continued pregnancy, no significant tracheal or esophageal symptoms after 6 months of follow-up. Conclusion Echocardiography is a reliable method of prenatal diagnosis of CRV and has high clinical value.