Tags Archives: hematocrit

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Early versus delayed post-transfusion hemoglobin and hematocrit measurement in adults: a narrative review

Abstract Delaying the measurement of a complete blood count (CBC) for 6 to 24 hours after red blood cell transfusion remains a common practice in hospitals worldwide, despite the absence..

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Impact of Low Hematocrit on On-Pump Coronary Artery Bypass Graft Surgery Outcomes

Abstract Background: Low hematocrit level is a hematological problem that is frequently encountered during cardiopulmonary bypass (CPB) in patients undergoing on-pump coronary artery bypass grafting (CABG). This study aimed to..

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Hematocrit and total protein elimination as quality control parameters of cell salvage

Abstract Background:   The use of cell salvage reduces homologous blood transfusions during operations and avoids associated complications. Therefore, autotransfusion is an integral part of Patient Blood Management (PBM). The..

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Hematocrit and Renal Failure in Aortic Arch Surgery: A Society of Thoracic Surgeons Database Study

Abstract Background This study examined the association between cardiopulmonary bypass (CPB) hematocrit and postoperative acute renal failure (ARF) in patients undergoing aortic arch surgery with hypothermic circulatory arrest. Methods The..

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A Comparison of the Clinical Outcomes of Minimum and Maximum Hematocrit Levels During Cardiopulmonary Bypass (CPB) in Low-risk Patients Undergoing…

Abstract Background:  This study investigated the clinical outcomes at the minimum and maximum levels of hematocrit (HCT) during cardiopulmonary bypass (CPB) in low-risk patients undergoing coronary artery bypass graft (CABG)..

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Cardiopulmonary bypass in neonates and infants: advantages of high flow high hematocrit bypass strategy—clinical practice review

Abstract Cardiopulmonary bypass is an integral and indispensable part of surgical repair of congenital heart defects. While the complications and morbidity secondary to the use of cardiopulmonary bypass has decreased..

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Incidence of Acute Neurological Events in Neonates and Infants Undergoing Cardiac Surgery Using a High-Hematocrit/ High-Flow Bypass Strategy

Abstract Background: The incidence of new acute neurological injury occurring in neonates and infants during cardiac surgery utilizing cardiopulmonary bypass is reportedly 3% to 5%. In 2013, we adopted a high..

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Simultaneous electrical online estimation of changes in blood hematocrit and temperature in cardiopulmonary bypass

Abstract Two equations have been developed from multi-frequency measurements of blood impedance Zb for a simultaneous electrical online estimation of changes in blood hematocrit ΔH [%] and temperatures ΔT [K] in cardiopulmonary bypass (CPB). Zb of fixed blood..

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Randomized trial of hematocrit 25% versus 35% during hypothermic cardiopulmonary bypass in infant heart surgery

Abstract Objectives: We previously reported that postoperative hemodynamics and developmental outcomes were better among infants randomized to a higher hematocrit value during hypothermic cardiopulmonary bypass. However, worse outcomes were concentrated in..

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Percentage of hematocrit decrease after the initiation of cardiopulmonary bypass—clinical implications and affecting factors

Abstract Decrease of patient’s hematocrit level is a natural process which occurs during the initiation of cardiopulmonary bypass. To some extent it is a beneficial occurrence, but excessive hematocrit decrease..

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The Optimal Cell Salvage Settings to Maximize Hematocrit and Minimize Potassium Using the Cobe BRAT2 Autologous Blood Recovery Unit

Abstract Objective The objective was to determine the optimal cell saver device settings (infusion rate and wash rate) at which hematocrit is preserved and potassium and lactate are removed from..

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Another route of CO2 gas excretion independent of red blood cells in human lungs

Abstract We demonstrated pulmonary arteriolar blood flow-mediated CO2 gas excretion in rabbit lungs. The shear stress stimulation produced CO2 gas in cultured human endothelial cells of pulmonary arterioles via the activation of..

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Effect of Hematocrit on the CO2 Removal Rate of Artificial Lungs

Abstract Extracorporeal CO2 removal (ECCO2R) can permit lung protective or noninvasive ventilation strategies in patients with chronic obstructive pulmonary disease (COPD) and acute respiratory distress syndrome (ARDS). With evidence supporting ECCO2R..

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Posttransfusion Increase of Hematocrit per se Does Not Improve Circulatory Oxygen Delivery due to Increased Blood Viscosity

Abstract BACKGROUND:  Blood transfusion is used to treat acute anemia with the goal of increasing blood oxygen-carrying capacity as determined by hematocrit (Hct) and oxygen delivery (DO2). However, increasing Hct..

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Hematocrit and impact of transfusion in patients receiving extracorporeal life support

Abstract Introduction:  Increasing the hematocrit is considered to increase oxygen delivery to the patient, especially when hypoxic conditions exist and the patient may become more stable. The aim of this..

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Preoperative anemia versus blood transfusion: Which is the culprit for worse outcomes in cardiac surgery?

Abstract Background Reducing blood product utilization after cardiac surgery has become a focus of  as studies have suggested improved outcomes. The relative impact of preoperative anemia versus packed red blood cells..

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