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  Indian J Med Microbiol
 

Figure 1: Surgical techniques for aortic arch repair. (a) An incision is made parallel to the TAA on the inferior surface, extended proximally to the origin of the innominate artery to sufficiently excise the proximal ring constriction; (b) After removing the narrowed segment, the AA defect is reconstructed with an autologous pulmonary artery patch. Occasionally, two or more pulmonary artery patches are necessary to reconstruct the AA in cases of severe AAH to reconstruct the tubular TAA structure and avoid the formation of an annular anastomosis; (c) The tubular AA structure of AA has been reconstructed with smooth morphology and no angulation deformity. TAA: Transverse aortic arch; AA: Aortic arch; AAH: Aortic arch hypoplasia.

Figure 1: Surgical techniques for aortic arch repair. (a) An incision is made parallel to the TAA on the inferior surface, extended proximally to the origin of the innominate artery to sufficiently excise the proximal ring constriction; (b) After removing the narrowed segment, the AA defect is reconstructed with an autologous pulmonary artery patch. Occasionally, two or more pulmonary artery patches are necessary to reconstruct the AA in cases of severe AAH to reconstruct the tubular TAA structure and avoid the formation of an annular anastomosis; (c) The tubular AA structure of AA has been reconstructed with smooth morphology and no angulation deformity. TAA: Transverse aortic arch; AA: Aortic arch; AAH: Aortic arch hypoplasia.