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Microvascular Responsiveness to Pulsatile and Non-Pulsatile Flow During Cardiopulmonary Bypass
The authors conducted a prospective randomized study of 20 high-risk cardiac surgical patients, split into two groups: pulsatile versus nonpulsatile flow during cardiopulmonary bypass. Using spectral imaging and near-infrared technology, the group found that the the pulsatile perfusion group maintained better perfusion indices in the microcirculation.