Abstract
A splanchnic microcirculatory disturbance is often experimentally described. Arterial vasoconstriction measured by laser Doppler velocity is able to demonstrate a tissue flow reduction of 48.7 %. Nevertheless jejunal autoregulation seems to be partially preserved in human. Clinical impact of cardiopulmonary bypass (CPB) on splanchnic perfusion is under question. Postoperative period and rewarming, monitored by gastric tonometry seems to be especially at risk. During normothermic CPB and without arterial disease or shock, the splanchnic perfusion needs to be reconsidered with new models including vasomotion and oxygen extraction at different abdominal area.
Published Version
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