The Increase In Amplitude Of Fluctuations Of Cerebral Hemoglobin Concentration In Respiratory Band Related To Increase In Intra-Abdominal Pressure.

Piotr Sawosz,Magdalena Morawiec,Wojciech Dabrowski,Michal Kacprzak,Przemyslaw Pulawski,Karolina Bejm,Roman Maniewski,Adam Liebert

DIFFUSE OPTICAL SPECTROSCOPY AND IMAGING VII（2019）

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摘要

We present results of clinical studies in patients during increase in intra-abdominal pressure (IAP). Changes in brain hemoglobin concentration assessed from time-resolved near-infrared spectroscopy system were analyzed in frequency domain. The amplitude of power spectral density in respiratory band increases while IAP increases what is related to reduced venous outflow.

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关键词

cerebral hemoglobin concentration,respiratory band,fluctuations,intra-abdominal

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