Tags Archives: Acute kidney injury (AKI)

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Mean arterial pressure difference before and during cardiopulmonary bypass: what should be the ideal mean perfusion pressure?

Abstract Objectives: The difference between mean arterial pressure (MAP) before cardiopulmonary bypass (CPB) and mean perfusion pressure (MPP) during CPB is thought to be a strong predictor of acute kidney injury..

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Hemolysis Index and Cardiopulmonary Bypass Time as Predictors of Cardiac Surgery-associated Acute Kidney Injury: An Observational Cohort Study

Abstract Objectives Acute kidney injury (AKI) is a common and serious complication of cardiac surgery, often linked to the use and duration of cardiopulmonary bypass (CPB). The Hemolysis Index (HI)..

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Cell-free hemoglobin is associated with microcirculatory perfusion disturbances and acute kidney injury in rats on extracorporeal membrane oxygenation

Abstract Background Extracorporeal membrane oxygenation (ECMO) is a life-saving treatment, but carries a high risk of complications such as acute kidney injury (AKI). A contributor to AKI is hemolysis, which..

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Assessment of Renal Vein Flow Index by Transesophageal Echocardiography: Precision, Variability, and Association with Cardiac Index During Cardiac Surgery

Abstract Objectives Cardiac surgery-associated acute kidney injury (CSA-AKI) is a frequent and important complication often attributed to decreased kidney blood flow. Ultrasound measurement of renal  has been associated with adverse cardiac..

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Do Sex Differences Matter in Cardiac Surgery-Associated Acute Kidney Injury? – A Narrative Review

Abstract Cardiac surgery-associated acute kidney injury (CSA-AKI) is a common complication following cardiac surgery. Despite growing awareness of sexual dimorphism in cardiovascular and chronic kidney disease, little is known about..

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Relationship between intraoperative blood pressure variability and postoperative acute kidney injury in pediatric cardiac surgery

Abstract Background Cardiac surgery-associated acute kidney injury (CSA-AKI) is a notably common complication in pediatrics, with an incidence rate ranging from 15 to 64%. This rate is significantly higher than..

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Blood transfusion and acute kidney injury after cardiac surgery: a retrospective observational study

Abstract Purpose Cardiac surgery-associated acute kidney injury (AKI) is linked to poor outcomes. An observational study from Copenhagen, Denmark identified perioperative red blood cell (RBC) transfusion as a modifiable risk..

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Association between intraoperative lactate levels and acute kidney injury after on-pump cardiac surgery: a retrospective cohort study across two centers

Abstract Background Hyperlactatemia and acute kidney injury (AKI) represent significant perioperative complications in cardiac surgery. This study investigated their relationship by analyzing multiple lactate parameters during on-pump cardiac procedures. Methods..

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Is Cardiac Surgery Safe During GenAI exceeds clinical experts in predicting acute kidney injury following paediatric cardiopulmonary bypassPregnancy?

Abstract The emergence of large language models (LLMs) opens new horizons to leverage, often unused, information in clinical text. Our study aims to capitalise on this new potential. Specifically, we..

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Exploration of mortality-associated creatinine thresholds for acute kidney injury in cardiac surgery patients with impaired kidney function: a single-center retrospective…

Abstract Background Acute kidney injury (AKI) is a frequent and severe complication following cardiac surgery, particularly in patients with impaired kidney function. The existing Kidney Disease: Improving Global Outcomes (KDIGO)..

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Impact of acute kidney injury and dysnatremia on length of stay in infants after cardiac surgery

Abstract Background Acute kidney injury (AKI) and dysnatremia following pediatric cardiac surgery are common conditions associated with worse outcomes. While the multifactorial etiology of AKI is well-known, the role of..

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Intravenous amino acids for renal protection in patients receiving temporary mechanical circulatory support: a secondary subgroup analysis of the PROTECTION…

Abstract OBJECTIVES In cardiac surgery patients, acute kidney injury (AKI) frequently occurs in the setting of haemodynamic instability and treatment with temporary mechanical circulatory support (tMCS). Recent evidence suggests amino..

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Postoperative 20% Albumin Infusion and Acute Kidney Injury in High-Risk Cardiac Surgery Patients

Abstract Importance  Acute kidney injury (AKI) after cardiac surgery is a common and serious complication. Protein loading appears nephroprotective; thus, continuous hyperoncotic albumin infusion may impact AKI following high-risk cardiac surgery...

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Cardiac surgery-associated acute kidney injury in neonatal Norwood procedure: incidence, risk factors and impact on mortality and outcomes

Abstract OBJECTIVES Acute kidney injury commonly complicates congenital heart surgery with cardiopulmonary bypass, increasing morbidity and mortality. This study aimed to evaluate risk factors for postoperative acute kidney injury and..

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A randomized controlled trial on the impact of anesthetic agents on renal function in cardiac surgery with cardiopulmonary bypass

Abstract Acute kidney injury (AKI) is a frequent and severe problem following heart surgery, particularly in procedures involving cardiopulmonary bypass (CPB). This research investigates the Randomized Controlled Trial (RCT) on..

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Leveraging large language models for preoperative prevention of cardiopulmonary bypass-associated acute kidney injury

Abstract Background Acute kidney injury (AKI) usually occurs after cardiopulmonary bypass (CPB) and threatens life without timely intervention. Early assessment and prevention are critical for saving AKI patients. However, numerical..

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A rule-based clinical decision support system for detection of acute kidney injury after pediatric cardiac surgery

Abstract Background Acute kidney injury (AKI) is common in children with congenital heart disease following open-heart surgery with cardiopulmonary bypass (CPB). Early AKI detection in critically ill children requires clinician..

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Prognostic Value of Perioperative Near-Infrared Spectroscopy Monitoring for Postoperative Acute Kidney Injury in Pediatric Cardiac Surgery: A Systematic Review

Abstract Introduction Postoperative acute kidney injury (AKI) is a common postoperative complication in cardiac surgery, with varying reported incidences and prognostic factors. Renal hypoperfusion is believed to be a key..

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Impact of gender differences on optimal oxygen delivery thresholds to prevent acute kidney injury in cardiac surgeries with cardiopulmonary bypass

Abstract Background The nadir oxygen delivery index (DO2i) during cardiopulmonary bypass (CPB) is reportedly associated with acute kidney injury (AKI) in patients undergoing cardiac surgery. However, there are few reports..

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Fine-Mapping the Association of Acute Kidney Injury With Mean Arterial and Central Venous Pressures During Coronary Artery Bypass Surgery

Abstract BACKGROUND:  Prior studies identified thresholds for mean arterial pressure (MAP <65 mm Hg) and central venous pressure (CVP >12 mm Hg) beyond which risk for cardiac surgery-associated acute kidney..

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Near-infrared spectroscopy to monitor cerebral and renal oxygen saturation during cardiopulmonary bypass surgery for paediatric congenital heart disease: study protocol…

Abstract Background Current indicators for monitoring intraoperative organ function remain predominantly indirect, delayed and non-specific, particularly in paediatric populations undergoing congenital heart surgery, where multifactorial influences further complicate functional assessments. Emerging..

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Pulsatile cardiopulmonary bypass using a centrifugal pump reduces acute kidney injury after cardiac surgery: a propensity score-matched analysis

Abstract Objective Acute kidney injury (AKI) affects approximately 30% of patients undergoing cardiac surgery with conventional non-pulsatile cardiopulmonary bypass (CPB). Pulsatile flow has long been proposed for mitigating this complication...

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Implementation of a goal directed perfusion strategy to reduce cardiac surgery associated kidney injury: A before and after study

Abstract Purpose Cardiac surgery associated acute kidney injury (CSA-AKI) is a frequent and severe complication. Goal Directed Perfusion (GDP) during cardiopulmonary bypass (CPB) has been developed to reduce post-operative complications,..

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How Would We Prevent Our Own Acute Kidney Injury After Cardiac Surgery?

Abstract Acute Kidney Injury (AKI) is a common complication after cardiac surgery affecting up to 40% leading to increased morbidity and mortality. To date, there is no specific treatment for..

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Kidney replacement therapy during extracorporeal membrane oxygenation: pathophysiology, technical considerations, and outcomes

Abstract The use of extracorporeal membrane oxygenation has been increasing over time, in part due to the COVID-19 pandemic. Whilst lifesaving, complications that must be managed are also associated with..

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Perioperative Nitric Oxide Conditioning Reduces Acute Kidney Injury in Cardiac Surgery Patients with Chronic Kidney Disease (the DEFENDER-trial): a Randomized…

Abstract Background:  Postoperative Acute kidney injury (AKI) is a significant concern for cardiac surgery patients with chronic kidney disease (CKD). Effective pharmacological interventions to mitigate these risks are urgently needed...

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Perioperative Bleeding Is Not an Independent Risk Factor for Acute Kidney Injury in On-pump Cardiac Surgery—A Post-hoc Analysis of a…

Abstract Objectives To study the association between bleeding and acute kidney injury (AKI). Design Post-hoc study of a randomized trial of 4% albumin versus Ringer's acetate for cardiopulmonary bypass priming..

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Fenoldopam use during Cardiopulmonary Bypass and Postoperative Rates of Acute Kidney Injury.

Abstract Acute kidney injury (AKI) is a complex clinical syndrome with a spectrum of clinical manifestations and outcomes (1); characterized by the deterioration of renal function over a period of..

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Goal-directed Perfusion to Reduce Acute Kidney Injury After Pediatric Cardiac Operation

Abstract Background Although goal-directed perfusion (GDP) during cardiopulmonary bypass (CPB) has been discussed extensively in adult studies, no pediatric indexed oxygen delivery (Do2i) thresholds are universally accepted, and no pediatric..

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The Association Between Platelet Transfusion and Acute Kidney Injury Following Fontan Surgery

Abstract Objectives: Previous studies have demonstrated an association between transfusion and increased organ dysfunction. We sought to determine the association between transfusion of blood components (red blood cell [RBC], plasma, platelet,..

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