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Moderate Versus Deep Hypothermic Circulatory Arrest for Elective Aortic Transverse Hemiarch Reconstruction

Monday, May 11, 2015

Submitted by

Arie Blitz

Source

Source Name: Annals of Thoracic Surgery

Source URL: http://www.annalsthoracicsurgery.org/article/S0003-4975(15)00062-4/abstract

Author(s)

Prashanth Vallabhajosyula, Arminder S. Jassar, Rohan S. Menon, Caroline Komlo, Jacob Gutsche, Nimesh D. Desai, W. Clark Hargrove, Joseph E. Bavaria, Wilson Y. Szeto

The authors conducted a retrospective review of two concurrent groups undergoing elective aortic transverse hemiarch reconstruction: Group DHCA underwent deep hypothermic circulatory arrest with retrograde cerebral perfusion; group MHCA underwent moderate hypothermic (>25 degrees C) circulatory arrest with antegrade cerebral perfusion. A total of 376 patients were included in their study. All preoperative demographics were similar, except the MHCA patients were significantly older. Intraoperative CPB and X-clamp times were significantly shorter for the MHCA group, and postoperative outcomes for both groups were excellent and equivalent. Hence--at least according to this retrospective single-center study--moderate hypothermia along with antegrade cerebral perfusion may be a viable strategy for patients undergoing elective hemiarch surgery.