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Comparison of the Effect of Pump Flow Type (Pulsatile or Non-Pulsatile) on Postoperative Neurocognitive Functions in Coronary Artery Surgery.
Braz J Cardiovasc Surg
September 2024
Department of Cardiovascular Surgery, Faculty of Medicine, Atatürk University, Erzurum, Turkey.
Introduction: The effect of pump flow type on perfusion in coronary surgery using cardiopulmonary bypass (CPB) is discussed. We aimed to evaluate the effect of pump flow type on cognitive functions with neurocognitive function tests.
Methods: One hundred patients who underwent isolated coronary artery bypass surgery between November 2020 and July 2021 were divided into two equa groups.
Exploiting Dual-Wavelength Depolarization of Skin-tissues for Camera-based Perfusion Monitoring.
IEEE Trans Biomed Eng
September 2024
Perfusion index (PI), the ratio between variable pulsatile (AC) and non-pulsatile (DC) components in a photoplethysmographic (PPG) signal, is an indirect and non-invasive measure of peripheral perfusion. PI has been widely used in assessing sympathetic block success, and monitoring hemodynamics in anesthesia and intensive care. Based on the principle of dual-wavelength depolarization (DWD) of skin tissues, we propose to investigate its opportunity in quantifying the skin perfusion contactlessly.
View Article and Find Full Text PDFPulsatile Perfusion during Cardiopulmonary Bypass: A Literature Review.
J Extra Corpor Technol
March 2022
Department of Anaesthetics and Intensive Care, Royal Papworth Hospital, Cambridge, United Kingdom; and the.
The use of cardiopulmonary bypass (CPB) in cardiac surgery has often been associated with postoperative organ dysfunction. Roller and centrifugal pumps produce non-pulsatile flow (NPF) by default, and this still is the most widely used mode of perfusion. The development of pulsatile pumps has allowed comparisons to be made with NPF.
View Article and Find Full Text PDFPulsatile versus non-pulsatile perfusion in coronary artery bypass operation: The comparison of laboratory and clinical outcomes.
Perfusion
July 2023
Iranian Scientific Society Of Extracorporeal Technology, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran.
Introduction: The superiority of pulsatile or non-pulsatile perfusion in cardiopulmonary bypass (CPB) regarding morbidity and mortality is still debated. Therefore, we aimed to investigate the effect of different pulse rates in pulsatile perfusion in patients undergoing coronary artery bypass graft (CABG) and compared it with non-pulsatile perfusion.
Materials And Methods: In this randomized clinical trial, 90 patients who were all candidates for CABG under CPB were enrolled.
Neutrally Buoyant Particle Migration in Poiseuille Flow Driven by Pulsatile Velocity.
Micromachines (Basel)
September 2021
School of Mechanical Engineering, Hangzhou Dianzi University, Hangzhou 310018, China.
A neutrally buoyant circular particle migration in two-dimensional (2D) Poiseuille channel flow driven by pulsatile velocity is numerical studied by using immersed boundary-lattice Boltzmann method (IB-LBM). The effects of Reynolds number (25≤Re≤200) and blockage ratio (0.15≤k≤0.
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