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主动脉弓及其大血管分支的几种解剖变异曾有过报导。在行主动脉弓造影的病人中可以发现其中的某些变异。重新认识主动脉及其大血管分支解剖变异不仅在外科领域中极为重要,而且可以解释某些病例的临床症状,如变异的锁骨下动脉造成的食管受压症状。在动脉造影中所见主动脉分支变异的发生率与在尸体解剖中的发现大致相当,当然,小的变异不易发现。 材料和方法:作者五年来对819例病人做了动脉造影术,对每一例主动脉及其分支血管的解
Several anatomical variations of the aortic arch and its large blood vessel branch have been reported. Some of these variations can be found in patients undergoing aortic arch imaging. Rerecognizing anatomical variations in the aorta and its major vessel branches is not only important in the surgical field, but can also explain clinical symptoms in some cases, such as the symptoms of esophageal compression caused by a variant subclavian artery. The incidence of aortic branch variation seen in arteriography is roughly equivalent to that found in autopsy, although small variations are not readily detectable. MATERIALS AND METHODS: The authors performed arteriography on 819 patients over the past five years. For each case, the aorta and its branch vessels