ArticleBMC surgery2025
Effectiveness of an integrated cerebral protection protocol in type A aortic dissection surgery: an inverse probability treatment weighting analysis.
Article in BMC surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundCerebral protection strategies in type A aortic dissection (TAAD) surgery are critical yet inconclusive. We propose an integrated cerebral protection protocol. This study aimed to evaluate the effectiveness of this protocol.
methodsFrom January 2020 to December 2022, 85 patients were treated with an integrated protocol incorporating bilateral antegrade cerebral perfusion (ACP) and moderate hypothermia, with measures to prevent the shedding of thrombus or endothelial debris (BACP group), while traditional protocols were applied to 273 additional patients (UACP group). Inverse probability treatment weighting (IPTW) was performed to balance baseline characteristics. Three logistic regression models were used to evaluate the relationship between the two cerebral protection strategies and neurologic complications. Stepwise logistic regression was further employed to identify risk factors for cerebral complications.
resultsBaseline characteristics were balanced after IPTW adjustment. The BACP group had a significantly shorter operative time (364.79 vs. 397.61 min, P = 0.022), significantly fewer neurologic complications (5.6% vs. 15.9%, P = 0.032), and transient neurologic injury (3.0% vs. 12.5%, P = 0.035). Binary multivariable logistic regression analysis showed that the cerebral complication risk was 3.14 times greater with the traditional protocol compared to the integrated protocol (odds ratio[OR]:3.14, 95%confidence interval[CI]:1.19-8.27, P = 0.020). Stepwise logistic regression confirmed that cerebral complications were dramatically increased with unilateral ACP (OR:2.99, 95%CI:1.14-7.82, P = 0.025), while bilateral ACP had a significant impact on decreasing cerebral complications.
conclusionsOur integrated protocol effectively minimizes postoperative cerebral complications. Moderate hypothermia combined with BACP and measures to prevent brain debris could be adopted as an effective strategy for cerebral protection in TAAD surgery.
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