Unilateral Versus Bilateral Antegrade Cerebral Perfusion: A Meta-Analysis of Comparative Studies

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Unilateral Versus Bilateral Antegrade Cerebral Perfusion: A Meta-Analysis of Comparative Studies

Background

Antegrade cerebral perfusion (ACP) is an essential adjunct for prolonged hypothermic circulatory arrest (HCA) during aortic arch surgery. However, it has yet to be established whether ACP should be delivered unilaterally or bilaterally. The aim of the present meta-analysis is to investigate outcomes of unilateral ACP (uACP) compared to bilateral ACP (bACP) in comparative studies.

Methods

Electronic searches were performed using four databases from their inception to February 2017. Relevant comparative studies with adult patients who underwent aortic arch surgery using unilateral or bilateral ACP were included. Data was extracted by two independent researchers and analysed according to predefined endpoints using a random-effects model. Meta-regression was used to identify predictors of primary outcomes.

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