We are grateful for the kind comments by Dr Pocar and colleagues. In our comparison of 2 groups of patients, 20 underwent left heart bypass (LHB) and 39 had total circulatory arrest (TCA). Despite use of no adjunct, postoperative paraplegia decreased from 1 in 20 patients (5%) who underwent LHB to 1 in 39 patients (2.6%) who underwent TCA.1 Although this difference is not significant (P>.99), it does remain below the published series of patients who received spinal fluid drainage.2
Raissi SS. Hypothermic Circulatory Arrest for Thoracic Aortic Operations—Reply. Arch Surg. 2005;140(10):1010. doi:10.1001/archsurg.140.10.1010
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