En bloc versus branched graft technique for supra-aortic vessel reimplantation in total arch replacement: a systematic review and meta-analysis.

2c) were also similar between the EB and BG techniques. Although the incidence of PND was lower with the EB approach, this finding did not reach statistical significance [OR 0.7; 95% CI 0.5 to 1.1; p = 0.09; I 2 = 0%] (Fig. 3 ).

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