Tags Archives: tissue perfusion

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Regional tissue perfusion index (RTPI): a new optical-based metric for quantifying regional tissue perfusion

Abstract Accurate, continuous assessment of regional tissue perfusion remains a significant clinical challenge, as most existing modalities are invasive, indirect, or impractical for routine monitoring. Near-infrared spectroscopy (NIRS) has been..

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Mechanical tissue changes caused by liquid jet blasting of the aortic cannula

Abstract The aim of this study is to investigate the mechanical influence on the aortic tissue when exposed to the liquid jet blasting effect produced by the aortic cannula during..

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Tissue perfusion pressure: A novel hemodynamic measure to assess risk of acute kidney injury after cardiac surgery

Abstract Background Optimal hemodynamic targets for preventing acute kidney injury (AKI) have remained elusive. We hypothesized that lower tissue perfusion pressure (TPP), a novel perfusion index representing the difference between..

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Scavenger endothelial cells alleviate tissue damage by engulfing toxic molecules derived from hemolysis

Abstract Hemolysis induces tissue damage by releasing cellular contents into the plasma. It is widely accepted that hemolysis-derived toxic molecules are cleared by macrophages or metabolized in hepatocytes. In zebrafish,..

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Monitoring of perioperative tissue perfusion and impact on patient outcomes

Abstract Monitoring perioperative tissue perfusion is crucial in clinical anesthesia to protect organs and ensure patient safety. Indicators like hemodynamic parameters, tissue metabolism, and microcirculation markers are used for assessment...

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Tissue perfusion pressure enables continuous hemodynamic evaluation and risk prediction in the intensive care unit

Abstract Treatment of circulatory shock in critically ill patients requires management of blood pressure using invasive monitoring, but uncertainty remains as to optimal individual blood pressure targets. Critical closing pressure,..

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Cerebral Oximetry-Monitored Nitroglycerin Infusion and Tissue Perfusion during Rewarming of Cardiopulmonary Bypass in Cardiac Surgery: A Prospective Randomized Trial

Abstract Background: Nitroglycerin facilitates microcirculation and oxygen delivery through vasodilation. The purpose of this study was to clarify the effects of nitroglycerin-induced vasodilation and potential hypotension on tissue perfusion under..

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Modified Glucose-Insulin-Potassium Regimen Provides Cardioprotection With Improved Tissue Perfusion in Patients Undergoing Cardiopulmonary Bypass Surgery

Abstract Background Laboratory studies demonstrate glucose-insulin-potassium (GIK) as a potent cardioprotective intervention, but clinical trials have yielded mixed results, likely because of varying formulas and timing of GIK treatment and..

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