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Valeanu L, Andrei S, Stefan G, Robu C, Bute T, Longrois D. Cardiac surgery-associated acute kidney injury and perioperative plasma viscosity: is there a relationship? J Clin Monit Comput 2023; 37:1553-1561. [PMID: 37610523 DOI: 10.1007/s10877-023-01065-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 07/26/2023] [Indexed: 08/24/2023]
Abstract
Plasma viscosity (PV) is a key factor in microcirculatory flow resistance and capillary perfusion during hemodilution, we hypothesized a possible relationship between cardiac surgery-associated acute kidney injury (CSA-AKI) and PV. We conducted a prospective, observational, single-center study on 50 adult cardiac surgery patients with cardiopulmonary bypass (age 64 years, male sex 80%, baseline serum creatinine 1.04 mg/dL). We assessed perioperative characteristics, management, short-term outcomes, blood analysis, PV, serum creatinine, and diuresis. CSA-AKI was identified using KDIGO criteria. Data were collected at 10 time points during the first perioperative week. CSA-AKI occurred in 17 patients (34%): 12 (24%) stage 1, 1 (2%) stage 2, and 4 (8%) stage 3. Most patients (88%) developed CSA-AKI within 48 h post-surgery. Patients with CSA-AKI had higher body mass index (BMI), more frequent chronic kidney disease (CKD), and lower hemoglobin and hematocrit levels. The median baseline PV for the entire cohort was 1.50 cP on EDTA and 1.37 cP on citrate. No significant differences in PV levels were found between patients with CSA-AKI and normal kidney function, both at baseline and at the 48-h. Logistic and Cox regression analyses showed no significant relationship between PV and CSA-AKI. However, CSA-AKI was related to increased BMI, lower hemoglobin and hematocrit levels, and pre-existing CKD. The present study found no significant association between PV and CSA-AKI. Nevertheless, more research is needed to validate this finding and to investigate the role of PV in other clinical settings.
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Affiliation(s)
- Liana Valeanu
- Cardiac Anaesthesiology and Intensive Care Department I, Emergency Institute for Cardiovascular Disease, "Prof. Dr. C. C. Iliescu", Bucharest, Romania
| | - Stefan Andrei
- "Carol Davila" University of Medicine and Pharmacy, Department of Anesthesia and Intensive Medicine, Bucharest, Romania
| | - Gabriel Stefan
- "Carol Davila" University of Medicine and Pharmacy, Department of Nephrology, Bucharest, Romania.
- "Dr Carol Davila" Teaching Hospital of Nephrology, Bucharest, Romania.
| | - Cornel Robu
- Cardiac Anaesthesiology and Intensive Care Department I, Emergency Institute for Cardiovascular Disease, "Prof. Dr. C. C. Iliescu", Bucharest, Romania
| | - Teodora Bute
- Cardiac Anaesthesiology and Intensive Care Department I, Emergency Institute for Cardiovascular Disease, "Prof. Dr. C. C. Iliescu", Bucharest, Romania
| | - Dan Longrois
- CHU "Bichat-Claude Bernard", University of Paris, Department of Anesthesia and Intensive Medicine, Paris, France
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Fang YH, Zhang YJ, Zhen YN, Liu XP, Sun G, Han YX. Hyperlactatemia in patients undergoing pulmonary endarterectomy with deep hypothermic circulatory arrest: Risk factors and its effects on the outcome. Perfusion 2023:2676591231208984. [PMID: 38124315 DOI: 10.1177/02676591231208984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
INTRODUCTION To determine the risk factors of hyperlactatemia in pulmonary endarterectomy (PEA) surgery and assess whether elevated blood lactate levels are associated with adverse outcomes. METHODS In this retrospective observational study, a total of 111 consecutive patients who underwent PEA for chronic thromboembolic pulmonary hypertension at the XXX Hospital between December 2016 and January 2022 were included. We retrospectively evaluated arterial blood samples analyzed intraoperatively. The pre- and intraoperative risk factors for hyperlactatemia and the postoperative outcomes were recorded. RESULTS Lactate levels gradually increased during surgery. The optimal cut-off lactate level for major postoperative complications, calculated using receiver operating characteristic analysis, was 7.0 mmol/L. Deep hypothermic circulatory arrest (DHCA) duration, nadir hematocrit, and preoperative pulmonary vascular resistance were risk factors for lactate levels >7 mmol/L. Moreover, the intraoperative peak lactate level during PEA under DHCA was found to be a statistically significant predictor of major complications being associated with longer mechanical ventilation time (r = 0.294; p = .003) and intensive care unit length of stay (r = 0.327; p = .001). CONCLUSIONS Deep hypothermic circulatory arrest duration, nadir hematocrit, and preoperative pulmonary vascular resistance were associated with hyperlactatemia. Increased lactate levels were independent predictors of longer mechanical ventilation time, intensive care unit length of stay, and major complications.
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Affiliation(s)
- Ying-Hui Fang
- Department of Anesthesia, China-Japan Friendship Hospital, Beijing, China
| | - Ya-Jun Zhang
- Department of Anesthesia, China-Japan Friendship Hospital, Beijing, China
| | - Ya-Nan Zhen
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Xiao-Peng Liu
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Guang Sun
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
| | - Yong-Xin Han
- Department of Cardiovascular Surgery, China-Japan Friendship Hospital, Beijing, China
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Khashu M, Dame C, Lavoie PM, De Plaen IG, Garg PM, Sampath V, Malhotra A, Caplan MD, Kumar P, Agrawal PB, Buonocore G, Christensen RD, Maheshwari A. Current Understanding of Transfusion-associated Necrotizing Enterocolitis: Review of Clinical and Experimental Studies and a Call for More Definitive Evidence. NEWBORN 2022; 1:201-208. [PMID: 35746957 PMCID: PMC9217573 DOI: 10.5005/jp-journals-11002-0005] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
| | | | - Pascal M Lavoie
- University of British Columbia, Vancouver, British Columbia, Canada
| | | | - Parvesh M Garg
- University of Mississippi, Jackson, Mississippi, United States of America
| | - Venkatesh Sampath
- University of Missouri–Kansas City, Kansas, United States of America
| | | | - Michael D Caplan
- University of Chicago, Chicago, Illinois, United States of America
| | - Praveen Kumar
- Postgraduate Institute of Medical Education and Research, Chandigarh, Punjab, India
| | - Pankaj B Agrawal
- Boston Children’s Hospital, Harvard University, Boston, Massachusetts, United States of America
| | | | | | - Akhil Maheshwari
- Global Newborn Society, Baltimore, Maryland, United States of America
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Nam K, Jeon Y. Microcirculation during surgery. Anesth Pain Med (Seoul) 2022; 17:24-34. [PMID: 35139609 PMCID: PMC8841265 DOI: 10.17085/apm.22127] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 01/13/2022] [Indexed: 11/17/2022] Open
Abstract
Throughout the long history of surgery, there has been great advancement in the hemodynamic management of surgical patients. Traditionally, hemodynamic management has focused on macrocirculatory monitoring and intervention to maintain appropriate oxygen delivery. However, even after optimization of macro-hemodynamic parameters, microcirculatory dysfunction, which is related to higher postoperative complications, occurs in some patients. Although the clinical significance of microcirculatory dysfunction has been well reported, little is known about interventions to recover microcirculation and prevent microcirculatory dysfunction. This may be at least partly caused by the fact that the feasibility of monitoring tools to evaluate microcirculation is still insufficient for use in routine clinical practice. However, considering recent advancements in these research fields, with more popular use of microcirculation monitoring and more clinical trials, clinicians may better understand and manage microcirculation in surgical patients in the future. In this review, we describe currently available methods for microcirculatory evaluation. The current knowledge on the clinical relevance of microcirculatory alterations has been summarized based on previous studies in various clinical settings. In the latter part, pharmacological and clinical interventions to improve or restore microcirculation are also presented.
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Affiliation(s)
| | - Yunseok Jeon
- Corresponding author: Yunseok Jeon, M.D., Ph.D. Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul 03080, Korea Tel: 82-2-2072-3108, Fax: 82-2-747-8363 E-mail:
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5
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Subramaniam K, Kumar A, Hernandez S, Nouraie SM. Effect of Blood Product Transfusion on Perioperative Outcomes After Heart Transplantation. J Cardiothorac Vasc Anesth 2020; 35:1067-1072. [PMID: 33168431 DOI: 10.1053/j.jvca.2020.10.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 10/13/2020] [Accepted: 10/14/2020] [Indexed: 11/11/2022]
Abstract
OBJECTIVE(S) The objective of this study was to identify transfusion-related in-hospital outcomes in orthotopic heart transplantation (OHT) recipients. DESIGN Retrospective chart review. SETTING Tertiary care hospital. PARTICIPANTS Adult OHT recipients undergoing transplantation between January 2010 and December 2016. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS The primary composite outcome was occurrence of any of the following events during admission for OHT: (1) graft dysfunction requiring mechanical circulatory support (MCS); (2) respiratory failure requiring tracheostomy; (3) renal failure requiring hemodialysis; (4) 30-day mortality; (5) complication requiring readmission to intensive care unit; (6) sepsis; and (7) stroke. The authors evaluated these outcomes in relation to all blood component transfusions received intraoperatively and in the first 24 hours postoperatively. The study included 197 patients and the primary composite outcome was present in 72 (36.6%). After adjusting for propensity score, red blood cell (RBC) transfusion was associated with composite outcomes (odds ratio [OR] 1.17, 95% confidence interval [CI] 1.05-1.31, p = 0.004), postoperative MCS use (OR 1.36, 95% CI 1.18-1.58, p < 0.001), acute renal failure requiring hemodialysis (OR 1.21, 5% CI 1.06-1.38, p = 0.004), and 30-day mortality (OR 1.29, 95% CI 1.05-1.59, p = 0.02). Fresh frozen plasma was associated with composite outcome (OR 1.07, 95% CI [1.003-1.15], p = 0.042) and renal failure (OR 1.08, 95% CI 1.08 [1.002-1.17], p = 0.04). CONCLUSIONS Intra- and postoperative transfusions (first 24 hours) of RBC and FFP were associated with adverse postoperative composite outcomes in patients undergoing OHT.
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Affiliation(s)
- Kathirvel Subramaniam
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA.
| | - Akshay Kumar
- Department of Cardiothoracic Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA
| | | | - Seyed Mehdi Nouraie
- Department of Pulmonary Allergy and Critical Care, University of Pittsburgh, Pittsburgh, PA
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6
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MohanKumar K, Namachivayam K, Song T, Jake Cha B, Slate A, Hendrickson JE, Pan H, Wickline SA, Oh JY, Patel RP, He L, Torres BA, Maheshwari A. A murine neonatal model of necrotizing enterocolitis caused by anemia and red blood cell transfusions. Nat Commun 2019; 10:3494. [PMID: 31375667 PMCID: PMC6677753 DOI: 10.1038/s41467-019-11199-5] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 06/27/2019] [Indexed: 12/23/2022] Open
Abstract
Necrotizing enterocolitis (NEC) is an idiopathic, inflammatory bowel necrosis of premature infants. Clinical studies have linked NEC with antecedent red blood cell (RBC) transfusions, but the underlying mechanisms are unclear. Here we report a neonatal murine model to investigate this association. C57BL/6 mouse pups rendered anemic by timed phlebotomy and then given RBC transfusions develop NEC-like intestinal injury with prominent necrosis, inflammation, and submucosal edema/separation of the lamina propria in the ileocecal region and colon within 12-24 h. The anemic intestine is infiltrated by inflammatory macrophages, which are activated in situ by RBC transfusions via a Toll-like receptor (TLR)-4-mediated mechanism and cause bowel injury. Chelation of RBC degradation products with haptoglobin, absence of TLR4, macrophage depletion, and inhibition of macrophage activation is protective. Intestinal injury worsens with increasing severity and the duration of anemia prior to transfusion, indicating a need for the re-evaluation of current transfusion guidelines for premature infants.
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MESH Headings
- Anemia/complications
- Anemia/therapy
- Animals
- Animals, Newborn
- Cecum/pathology
- Colon/pathology
- Disease Models, Animal
- Enterocolitis, Necrotizing/etiology
- Enterocolitis, Necrotizing/pathology
- Erythrocyte Transfusion/adverse effects
- Humans
- Ileum/pathology
- Infant, Newborn
- Infant, Newborn, Diseases/etiology
- Infant, Newborn, Diseases/pathology
- Infant, Premature
- Intestinal Mucosa/pathology
- Macrophages/immunology
- Macrophages/metabolism
- Mice
- Toll-Like Receptor 4/immunology
- Toll-Like Receptor 4/metabolism
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Affiliation(s)
- Krishnan MohanKumar
- Department of Pediatrics, Morsani College of Medicine, University of South Florida, Tampa, FL, 33612, USA
- Department of Pediatrics, Johns Hopkins University, Baltimore, MD, 21287, USA
| | - Kopperuncholan Namachivayam
- Department of Pediatrics, Morsani College of Medicine, University of South Florida, Tampa, FL, 33612, USA
- Department of Pediatrics, Johns Hopkins University, Baltimore, MD, 21287, USA
| | - Tanjing Song
- Department of Pediatrics, Morsani College of Medicine, University of South Florida, Tampa, FL, 33612, USA
| | - Byeong Jake Cha
- Department of Molecular Pharmacology and Physiology, Morsani College of Medicine, University of South Florida, Tampa, FL, 33612, USA
| | - Andrea Slate
- Department of Comparative Medicine, University of South Florida, Tampa, FL, 33612, USA
- Center for Comparative Medicine, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Jeanne E Hendrickson
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT, 06520, USA
- Department of Pediatrics, Yale School of Medicine, New Haven, CT, 06520, USA
| | - Hua Pan
- Department of Cardiology, Morsani College of Medicine, University of South Florida, Tampa, FL, 33629, USA
| | - Samuel A Wickline
- Department of Cardiology, Morsani College of Medicine, University of South Florida, Tampa, FL, 33629, USA
| | - Joo-Yeun Oh
- Center for Free Radical Biology, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Rakesh P Patel
- Center for Free Radical Biology, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Ling He
- Department of Pediatrics, Johns Hopkins University, Baltimore, MD, 21287, USA
| | - Benjamin A Torres
- Department of Pediatrics, Morsani College of Medicine, University of South Florida, Tampa, FL, 33612, USA
| | - Akhil Maheshwari
- Department of Pediatrics, Morsani College of Medicine, University of South Florida, Tampa, FL, 33612, USA.
- Department of Pediatrics, Johns Hopkins University, Baltimore, MD, 21287, USA.
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7
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Gangadharan S, Sundaram KR, Vasudevan S, Ananthakrishnan B, Balachandran R, Cherian A, Varma PK, Gracia LB, Murukan K, Madaiker A, Jose R, Seetharaman R, Gopal K, Menon S, Thushara M, Jose RL, Deepak G, Vanga SB, Jayant A. Predictors of acute kidney injury in patients undergoing adult cardiac surgery. Ann Card Anaesth 2019; 21:448-454. [PMID: 30333348 PMCID: PMC6206792 DOI: 10.4103/aca.aca_21_18] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Background Acute kidney injury (AKI) after cardiac surgery (CS) is not uncommon and has serious effects on mortality and morbidity. A majority of patients suffer mild forms of AKI. There is a paucity of Indian data regarding this important complication after CS. Aims and Objectives The primary objective was to study the incidence of AKI associated with CS in an Indian study population. Secondary objectives were to describe the risk factors associated with AKI-CS in our population and to generate outcome data in patients who suffer this complication. Methods Serial patients (n = 400) presenting for adult CS (emergency/elective) at a tertiary referral care hospital in South India from August 2016 to November 2017 were included as the study individuals. The incidence of AKI-CS AKI network (AKIN criteria), risk factors associated with this condition and the outcomes following AKI-CS are described. Results Out of 400, 37 (9.25%) patients developed AKI after CS. AKI associated with CS was associated with a mortality of 13.5% (no AKI group mortality 2.8%, P = 0.001 [P < 0.05]). When AKI was severe enough to need renal replacement therapy, the mortality increased to 75%. Patients with AKI had a mean hospital stay 16.92 ± 12.75 days which was comparatively longer than patients without AKI (14 ± 7.98 days). Recent acute coronary syndrome, postoperative atrial fibrillation, and systemic hypertension significantly predicted the onset of AKI-CS in our population. Conclusions The overall incidence of AKI-CS was 9.25%. The incidence of AKI-CS requiring dialysis (Stage 3 AKIN) AKI-CS was lower (2%). However, mortality risks were disproportionately high in patients with AKIN Stage 3 AKI-CS (75%). There is a need for quality improvement in the care of patients with AKI-CS in its most severe forms since mortality risks posed by the development of Stage 3 AKIN AKI is higher than reported in other index populations from high resource settings.
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Affiliation(s)
- Sreja Gangadharan
- Department of Cardiac Anaesthesia, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - K R Sundaram
- Department of Biostatistics, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - Senthilvelan Vasudevan
- Department of Biostatistics, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - B Ananthakrishnan
- Department of Cardiac Anaesthesia, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - Rakhi Balachandran
- Department of Cardiac Anaesthesia, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - Abraham Cherian
- Department of Cardiac Anaesthesia, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - Praveen Kerala Varma
- Department of Cardiothoracic Surgery, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - Luis Bakero Gracia
- Department of Cardiothoracic Surgery, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - K Murukan
- Department of Cardiothoracic Surgery, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - Ashish Madaiker
- Department of Cardiothoracic Surgery, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - Rajesh Jose
- Department of Cardiothoracic Surgery, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - Rakesh Seetharaman
- Department of Cardiothoracic Surgery, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - Kirun Gopal
- Department of Cardiothoracic Surgery, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - Sujatha Menon
- Department of Cardiac Anaesthesia, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - M Thushara
- Department of Cardiac Anaesthesia, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - Reshmi Liza Jose
- Department of Cardiac Anaesthesia, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - G Deepak
- Department of Cardiac Anaesthesia, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - Sudheer Babu Vanga
- Department of Cardiac Anaesthesia, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
| | - Aveek Jayant
- Department of Cardiac Anaesthesia, Amrita Institute of Medical Sciences and Research Centre, Kochi, Kerala, India
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8
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Waack IN, Petersen M, Verhaegh R, Teloh JK. The Liver and Small Intestine Can Partly Compensate Severe Normovolemic Hemodilution in a Rat Model. J Surg Res 2018; 232:605-613. [PMID: 30463780 DOI: 10.1016/j.jss.2018.07.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 06/23/2018] [Accepted: 07/10/2018] [Indexed: 12/23/2022]
Abstract
BACKGROUND Knowing the individual critical hematocrit for every organ is essential in operative scenarios in which extensive blood losses are expected. In the past, experimental settings were very heterogeneous resulting in the publication of widely differing values even for one organ in the same species. This study aimed to investigate the compensatory capacity of the liver and the small intestine in a rat model of severe normovolemic hemodilution. MATERIALS AND METHODS Male rats were subjected to a stepwise hemodilution with a succinylated gelatin-containing solution to a final hematocrit of 10%, being observed for additional 150 min. During the course of the experiment, blood glucose and L-lactate, as well as D-lactate and intestinal fatty acid-binding protein-2 measurements, were performed eight times in total. The amino acids alanine and glutamine were measured during dilution and at the end of the experiment (four times in total). Hemodilutional effects on the blood and oxygen supply of the liver and the small intestine were measured in a minimally invasive manner. RESULTS In the liver and the small intestine, there were no substantial changes in the blood flow of the microcirculation. Plasma glucose and lactate levels rose transiently, whereas lactate values did not exceed the upper threshold of aerobic metabolism. Plasma levels of the amino acids alanine and glutamine rose significantly and stayed elevated, whereas D-lactate and intestinal fatty acid-binding protein-2 were not significantly increased at any point during the whole experimental time compared to the initial value. CONCLUSIONS Severe hemodilution with a succinylated gelatin-containing solution is tolerated at a profoundly low hematocrit value of 10% during the experimental phase of 150 min.
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Affiliation(s)
- Indra Naemi Waack
- University of Duisburg-Essen, Institute of Physiological Chemistry, University Hospital Essen, Essen, Germany.
| | - Miriam Petersen
- Ambulatory Healthcare Center Dr. Eberhard & Partner Dortmund, Dortmund, Germany
| | - Rabea Verhaegh
- University of Duisburg-Essen, Institute of Physiological Chemistry, University Hospital Essen, Essen, Germany
| | - Johanna Katharina Teloh
- University of Duisburg-Essen, Institute of Physiological Chemistry, University Hospital Essen, Essen, Germany
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9
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Leow EH, Chan YH, Ng YH, Lim JKB, Nakao M, Lee JH. Prevention of Acute Kidney Injury in Children Undergoing Cardiac Surgery: A Narrative Review. World J Pediatr Congenit Heart Surg 2018; 9:79-90. [PMID: 29310552 DOI: 10.1177/2150135117743211] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Children undergoing cardiac surgery are at risk of developing acute kidney injury (AKI). Preventing cardiac surgery-associated AKI (CS-AKI) is important as it is associated with increased early- and long-term mortality and morbidity. Targeting modifiable risk factors (eg, avoiding poor renal perfusion, nephrotoxic drugs, and fluid overload) reduces the risk of CS-AKI. There is currently no strong evidence for the routine use of pharmacological approaches (eg, aminophylline, dexmedetomidine, fenoldopam, and steroids) to prevent CS-AKI. There is robust evidence to support the role of early peritoneal dialysis as a nonpharmacologic approach to prevent CS-AKI.
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Affiliation(s)
- Esther Huimin Leow
- 1 Department of Paediatrics, KK Women's and Children's Hospital, Singapore, Singapore
| | - Yoke Hwee Chan
- 2 Children's Intensive Care Unit, KK Women's and Children's Hospital, Singapore, Singapore.,3 Duke-NUS School of Medicine, Singapore, Singapore
| | - Yong Hong Ng
- 1 Department of Paediatrics, KK Women's and Children's Hospital, Singapore, Singapore
| | - Joel Kian Boon Lim
- 1 Department of Paediatrics, KK Women's and Children's Hospital, Singapore, Singapore
| | - Masakazu Nakao
- 4 Department of Paediatric Cardiothoracic Surgery, KK Women's and Children's Hospital, Singapore, Singapore
| | - Jan Hau Lee
- 2 Children's Intensive Care Unit, KK Women's and Children's Hospital, Singapore, Singapore.,3 Duke-NUS School of Medicine, Singapore, Singapore
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10
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Andersen LW. Lactate Elevation During and After Major Cardiac Surgery in Adults: A Review of Etiology, Prognostic Value, and Management. Anesth Analg 2017; 125:743-752. [PMID: 28277327 DOI: 10.1213/ane.0000000000001928] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Elevated lactate is a common occurrence after cardiac surgery. This review summarizes the literature on the complex etiology of lactate elevation during and after cardiac surgery, including considerations of oxygen delivery, oxygen utilization, increased metabolism, lactate clearance, medications and fluids, and postoperative complications. Second, the association between lactate and a variety of outcomes are described, and the prognostic role of lactate is critically assessed. Despite the fact that elevated lactate is strongly associated with many important outcomes, including postoperative complications, length of stay, and mortality, little is known about the optimal management of postoperative patients with lactate elevations. This review ends with an assessment of the limited literature on this subject.
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Affiliation(s)
- Lars W Andersen
- From the *Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark; †Center for Resuscitation Science, Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts; ‡Department of Anesthesiology, Aarhus University Hospital, Aarhus, Denmark; and §Department of Medicine, Regional Hospital Holstebro, Aarhus University, Holstebro, Denmark
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11
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Ortega-Loubon C, Fernández-Molina M, Carrascal-Hinojal Y, Fulquet-Carreras E. Cardiac surgery-associated acute kidney injury. Ann Card Anaesth 2017; 19:687-698. [PMID: 27716701 PMCID: PMC5070330 DOI: 10.4103/0971-9784.191578] [Citation(s) in RCA: 124] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Cardiac surgery-associated acute kidney injury (CSA-AKI) is a well-recognized complication resulting with the higher morbid-mortality after cardiac surgery. In its most severe form, it increases the odds ratio of operative mortality 3-8-fold, length of stay in the Intensive Care Unit and hospital, and costs of care. Early diagnosis is critical for an optimal treatment of this complication. Just as the identification and correction of preoperative risk factors, the use of prophylactic measures during and after surgery to optimize renal function is essential to improve postoperative morbidity and mortality of these patients. Cardiopulmonary bypass produces an increased in tubular damage markers. Their measurement may be the most sensitive means of early detection of AKI because serum creatinine changes occur 48 h to 7 days after the original insult. Tissue inhibitor of metalloproteinase-2 and insulin-like growth factor-binding protein 7 are most promising as an early diagnostic tool. However, the ideal noninvasive, specific, sensitive, reproducible biomarker for the detection of AKI within 24 h is still not found. This article provides a review of the different perspectives of the CSA-AKI, including pathogenesis, risk factors, diagnosis, biomarkers, classification, postoperative management, and treatment. We searched the electronic databases, MEDLINE, PubMed, EMBASE using search terms relevant including pathogenesis, risk factors, diagnosis, biomarkers, classification, postoperative management, and treatment, in order to provide an exhaustive review of the different perspectives of the CSA-AKI.
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12
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Prediction and Prevention of Acute Kidney Injury after Cardiac Surgery. BIOMED RESEARCH INTERNATIONAL 2016; 2016:2985148. [PMID: 27419130 PMCID: PMC4935903 DOI: 10.1155/2016/2985148] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Revised: 05/25/2016] [Accepted: 05/29/2016] [Indexed: 12/17/2022]
Abstract
The incidence of acute kidney injury after cardiac surgery (CS-AKI) ranges from 33% to 94% and is associated with a high incidence of morbidity and mortality. The etiology is suggested to be multifactorial and related to almost all aspects of perioperative management. Numerous studies have reported the risk factors and risk scores and novel biomarkers of AKI have been investigated to facilitate the subclinical diagnosis of AKI. Based on the known independent risk factors, many preventive interventions to reduce the risk of CS-AKI have been tested. However, any single preventive intervention did not show a definite and persistent benefit to reduce the incidence of CS-AKI. Goal-directed therapy has been considered to be a preventive strategy with a substantial level of efficacy. Many pharmacologic agents were tested for any benefit to treat or prevent CS-AKI but the results were conflicting and evidences are still lacking. The present review will summarize the current updated evidences about the risk factors and preventive strategies for CS-AKI.
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Ferrara G, Kanoore Edul VS, Martins E, Canales HS, Canullán C, Murias G, Pozo MO, Estenssoro E, Ince C, Dubin A. Intestinal and sublingual microcirculation are more severely compromised in hemodilution than in hemorrhage. J Appl Physiol (1985) 2016; 120:1132-40. [DOI: 10.1152/japplphysiol.00007.2016] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 03/10/2016] [Indexed: 11/22/2022] Open
Abstract
The alterations in O2 extraction in hemodilution have been linked to fast red blood cell (RBC) velocity, which might affect the complete release of O2 from Hb. Fast RBC velocity might also explain the normal mucosal-arterial Pco2 (ΔPco2). Yet sublingual and intestinal microcirculation have not been completely characterized in extreme hemodilution. Our hypothesis was that the unchanged ΔPco2 in hemodilution depends on the preservation of villi microcirculation. For this purpose, pentobarbital-anesthetized and mechanically ventilated sheep were submitted to stepwise hemodilution ( n = 8), hemorrhage ( n = 8), or no intervention (sham, n = 8). In both hypoxic groups, equivalent reductions in O2 consumption (V̇o2) were targeted. Microcirculation was assessed by videomicroscopy, intestinal ΔPco2 by air tonometry, and V̇o2 by expired gases analysis. Although cardiac output and superior mesenteric flow increased in hemodilution, from the very first step (Hb = 5.0 g/dl), villi functional vascular density and RBC velocity decreased (21.7 ± 0.9 vs. 15.9 ± 1.0 mm/mm2 and 1,033 ± 75 vs. 850 ± 79 μm/s, P < 0.01). In the last stage (Hb = 1.2 g/dl), these variables were lower in hemodiution than in hemorrhage (11.1 ± 0.5 vs. 15.4 ± 0.9 mm/mm2 and 544 ± 26 vs. 686 ± 70 μm/s, P < 0.01), and were associated with lower intestinal fractional O2 extraction (0.61 ± 0.04 vs. 0.79 ± 0.02, P < 0.01) but preserved ΔPco2 (5 ± 2 vs. 25 ± 4 mmHg, P < 0.01). Therefore, alterations in O2 extraction in hemodilution seemed related to microvascular shunting, not to fast RBC velocity. The severe microvascular abnormalities suggest that normal ΔPco2 was not dependent on CO2 washout by the villi microcirculation. Increased perfusion in deeper intestinal layers might be an alternative explanation.
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Affiliation(s)
- Gonzalo Ferrara
- Cátedra de Farmacología Aplicada, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, La Plata, Argentina; and
| | - Vanina Siham Kanoore Edul
- Cátedra de Farmacología Aplicada, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, La Plata, Argentina; and
| | - Enrique Martins
- Cátedra de Farmacología Aplicada, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, La Plata, Argentina; and
| | - Héctor Saúl Canales
- Cátedra de Farmacología Aplicada, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, La Plata, Argentina; and
| | - Carlos Canullán
- Cátedra de Farmacología Aplicada, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, La Plata, Argentina; and
| | - Gastón Murias
- Cátedra de Farmacología Aplicada, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, La Plata, Argentina; and
| | - Mario Omar Pozo
- Cátedra de Farmacología Aplicada, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, La Plata, Argentina; and
| | - Elisa Estenssoro
- Cátedra de Farmacología Aplicada, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, La Plata, Argentina; and
| | - Can Ince
- Academic Medical Center, Department of Translational Physiology, University of Amsterdam, Amsterdam, The Netherlands
| | - Arnaldo Dubin
- Cátedra de Farmacología Aplicada, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, La Plata, Argentina; and
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Takaki S, Shehabi Y, Pickering JW, Endre Z, Miyashita T, Goto T. Perioperative change in creatinine following cardiac surgery with cardiopulmonary bypass is useful in predicting acute kidney injury: a single-centre retrospective cohort study. Interact Cardiovasc Thorac Surg 2015; 21:465-9. [DOI: 10.1093/icvts/ivv184] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Accepted: 06/08/2015] [Indexed: 11/13/2022] Open
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Evennett N, Cerigioni E, Hall NJ, Pierro A, Eaton S. Smooth muscle actin as a novel serologic marker of severe intestinal damage in rat intestinal ischemia–reperfusion and human necrotising enterocolitis. J Surg Res 2014; 191:323-30. [DOI: 10.1016/j.jss.2014.04.020] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Revised: 03/29/2014] [Accepted: 04/09/2014] [Indexed: 12/23/2022]
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Najafi M. Serum creatinine role in predicting outcome after cardiac surgery beyond acute kidney injury. World J Cardiol 2014; 6:1006-1021. [PMID: 25276301 PMCID: PMC4176792 DOI: 10.4330/wjc.v6.i9.1006] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2014] [Revised: 04/07/2014] [Accepted: 07/14/2014] [Indexed: 02/06/2023] Open
Abstract
Serum creatinine is still the most important determinant in the assessment of perioperative renal function and in the prediction of adverse outcome in cardiac surgery. Many biomarkers have been studied to date; still, there is no surrogate for serum creatinine measurement in clinical practice because it is feasible and inexpensive. High levels of serum creatinine and its equivalents have been the most important preoperative risk factor for postoperative renal injury. Moreover, creatinine is the mainstay in predicting risk models and risk factor reduction has enhanced its importance in outcome prediction. The future perspective is the development of new definitions and novel tools for the early diagnosis of acute kidney injury largely based on serum creatinine and a panel of novel biomarkers.
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Khan UA, Coca SG, Hong K, Koyner JL, Garg AX, Passik CS, Swaminathan M, Garwood S, Patel UD, Hashim S, Quantz MA, Parikh CR. Blood transfusions are associated with urinary biomarkers of kidney injury in cardiac surgery. J Thorac Cardiovasc Surg 2014; 148:726-32. [PMID: 24820190 PMCID: PMC4104243 DOI: 10.1016/j.jtcvs.2013.09.080] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2013] [Revised: 09/11/2013] [Accepted: 09/25/2013] [Indexed: 10/25/2022]
Abstract
OBJECTIVE Cardiac surgery is a major cause of acute kidney injury. In this setting, receipt of blood transfusions seems to be associated with a higher risk of acute kidney injury, as measured using serum creatinine values. We examined this association further by using urinary biomarkers of kidney injury. METHODS A total of 1210 adults underwent cardiac surgery and were divided into 3 groups on the basis of the receipt of intraoperative packed red blood cell units: no blood (n = 894), 2 or less packed red blood cell units (n = 206), and more than 2 packed red blood cell units (n = 110). Acute kidney injury was defined as (1) doubling of serum creatinine from the preoperative value; (2) first postoperative urinary interleukin-18 in the fifth quintile; and (3) first postoperative urinary neutrophil gelatinase-associated lipocalin in the fifth quintile. We determined the relative risk for acute kidney injury outcome according to packed red blood cell units group after adjusting for 12 preoperative and surgical variables. By using the Sobel test for mediation analysis, we also evaluated the role of biomarkers in causing acute kidney injury through alternative pathways. RESULTS Acute kidney injury was more common in those who received more than 2 packed red blood cell units. In patients receiving more than 2 packed red blood cell units, the adjusted relative risks were 2.3 (95% confidence interval, 1.2-4.4, P .01), 1.36 (95% confidence interval, 1.0-1.9, P .05), and 1.34 (95% confidence interval, 1.0-1.8, P .06) for doubling of serum creatinine, urinary interleukin-18 in the fifth quintile (>60 pg/mL), and urinary neutrophil gelatinase-associated lipocalin in the fifth quintile (>102 ng/mL), respectively. Furthermore, the effect of packed red blood cell units transfusion on acute kidney injury was partially mediated by interleukin-18. CONCLUSIONS Receipt of 2 or more packed red blood cell units during cardiac surgery is associated with a greater risk of acute kidney injury defined by serum creatinine and kidney injury biomarkers.
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Affiliation(s)
- Usman A Khan
- Section of Nephrology, Yale University School of Medicine, Veterans Affairs Medical Center, and the Program of Applied Translational Research, New Haven, Conn
| | - Steven G Coca
- Section of Nephrology, Yale University School of Medicine, Veterans Affairs Medical Center, and the Program of Applied Translational Research, New Haven, Conn
| | - Kwangik Hong
- Section of Nephrology, Yale University School of Medicine, Veterans Affairs Medical Center, and the Program of Applied Translational Research, New Haven, Conn
| | - Jay L Koyner
- Section of Nephrology, Department of Medicine, University of Chicago, Chicago, Ill
| | - Amit X Garg
- Division of Nephrology, Department of Medicine, Western University, London, Ontario, Canada
| | - Cary S Passik
- Department of Cardiothoracic Surgery, Danbury Hospital, Danbury, Conn; University of Vermont College of Medicine, Burlington, Vt
| | - Madhav Swaminathan
- Division of Cardiothoracic Anesthesiology and Critical Care Medicine, Department of Anesthesiology, Duke University School of Medicine, Durham, NC
| | - Susan Garwood
- Department of Anesthesiology, Yale University School of Medicine, New Haven, Conn
| | - Uptal D Patel
- Division of Nephrology, Department of Medicine, Duke University School of Medicine, Durham, NC
| | - Sabet Hashim
- Department of Surgery, Yale University School of Medicine, New Haven, Conn
| | - Mackenzie A Quantz
- Division of Cardiac Surgery, London Health Sciences Centre, London, Ontario, Canada
| | - Chirag R Parikh
- Section of Nephrology, Yale University School of Medicine, Veterans Affairs Medical Center, and the Program of Applied Translational Research, New Haven, Conn.
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Mao H, Katz N, Ariyanon W, Blanca-Martos L, Adýbelli Z, Giuliani A, Danesi TH, Kim JC, Nayak A, Neri M, Virzi GM, Brocca A, Scalzotto E, Salvador L, Ronco C. Cardiac Surgery-Associated Acute Kidney Injury. Blood Purif 2014; 37 Suppl 2:34-50. [DOI: 10.1159/000361062] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Durand M, Rossi-Blancher M, Poquet C. [Blood transfusion via the cardiopulmonary bypass circuit: the anesthesiologist point of view]. ACTA ACUST UNITED AC 2014; 33 Suppl 1:S10-3. [PMID: 24613767 DOI: 10.1016/j.annfar.2014.01.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Accepted: 01/29/2014] [Indexed: 10/25/2022]
Abstract
Cardiac surgery frequently requires blood transfusion. The use of transfusion should be restricted due to side effects. Blood transfusion via the cardiopulmonary bypass (CPB) circuit is easy and allows a fast transfusion. The administration of packed red cells is relatively frequent because of the CPB-induced hemodilution and of the higher rate of postoperative complications when the haematocrit during CPB decreases below 20%. This transfusion of packed red cells does not seem to be associated with complications during CPB. Platelet transfusion during bypass is illogical because of the destruction of platelets during CPB and must be avoided. Fresh frozen plasma transfusion during CPB is seldom indicated but is possible. It could reverse heparin resistance.
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Affiliation(s)
- M Durand
- Département d'anesthésie-réanimation II, pole d'anesthésie-réanimation, hôpital Michallon, CHU de Grenoble, BP 217, CS10217, 38043 Grenoble cedex, France.
| | - M Rossi-Blancher
- Département d'anesthésie-réanimation II, pole d'anesthésie-réanimation, hôpital Michallon, CHU de Grenoble, BP 217, CS10217, 38043 Grenoble cedex, France
| | - C Poquet
- Département d'anesthésie-réanimation II, pole d'anesthésie-réanimation, hôpital Michallon, CHU de Grenoble, BP 217, CS10217, 38043 Grenoble cedex, France
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Minimised closed circuit coronary artery bypass grafting in the elderly is associated with lower levels of organ-specific biomarkers. Eur J Anaesthesiol 2013; 30:685-94. [DOI: 10.1097/eja.0b013e328364febf] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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21
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Mao H, Katz N, Ariyanon W, Blanca-Martos L, Adýbelli Z, Giuliani A, Danesi TH, Kim JC, Nayak A, Neri M, Virzi GM, Brocca A, Scalzotto E, Salvador L, Ronco C. Cardiac surgery-associated acute kidney injury. Cardiorenal Med 2013; 3:178-199. [PMID: 24454314 PMCID: PMC3884176 DOI: 10.1159/000353134] [Citation(s) in RCA: 157] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Cardiac surgery-associated acute kidney injury (CSA-AKI) is a common and serious postoperative complication of cardiac surgery requiring cardiopulmonary bypass (CPB), and it is the second most common cause of AKI in the intensive care unit. Although the complication has been associated with the use of CPB, the etiology is likely multifactorial and related to intraoperative and early postoperative management including pharmacologic therapy. To date, very little evidence from randomized trials supporting specific interventions to protect from or prevent AKI in broad cardiac surgery populations has been found. The definition of AKI employed by investigators influences not only the incidence of CSA-AKI, but also the identification of risk variables. The advent of novel biomarkers of kidney injury has the potential to facilitate the subclinical diagnosis of CSA-AKI, the assessment of its severity and prognosis, and the early institution of interventions to prevent or reduce kidney damage. Further studies are needed to determine how to optimize cardiac surgical procedures, CPB parameters, and intraoperative and early postoperative blood pressure and renal blood flow to reduce the risk of CSA-AKI. No pharmacologic strategy has demonstrated clear efficacy in the prevention of CSA-AKI; however, some agents, such as the natriuretic peptide nesiritide and the dopamine agonist fenoldopam, have shown promising results in renoprotection. It remains unclear whether CSA-AKI patients can benefit from the early institution of such pharmacologic agents or the early initiation of renal replacement therapy.
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Affiliation(s)
- Huijuan Mao
- Department of Nephrology, Ospedale San Bortolo, Vicenza, Italy
- Department of International Renal Research Institute Vicenza (IRRIV), Vicenza, Italy
- Department of Nephrology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Nevin Katz
- Department of Surgery, Johns Hopkins University, Baltimore, Md., USA
| | - Wassawon Ariyanon
- Department of International Renal Research Institute Vicenza (IRRIV), Vicenza, Italy
- Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
- Cardiometabolic Centre, BNH Hospital, Bangkok, Thailand
| | - Lourdes Blanca-Martos
- Department of International Renal Research Institute Vicenza (IRRIV), Vicenza, Italy
- Department of Nephrology, Hospital Universitario Carlos Haya, Málaga, Spain
| | - Zelal Adýbelli
- Department of Nephrology, Ospedale San Bortolo, Vicenza, Italy
- Department of International Renal Research Institute Vicenza (IRRIV), Vicenza, Italy
| | - Anna Giuliani
- Department of Nephrology, Ospedale San Bortolo, Vicenza, Italy
- Department of International Renal Research Institute Vicenza (IRRIV), Vicenza, Italy
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | | | - Jeong Chul Kim
- Department of Nephrology, Ospedale San Bortolo, Vicenza, Italy
- Department of International Renal Research Institute Vicenza (IRRIV), Vicenza, Italy
| | - Akash Nayak
- Department of International Renal Research Institute Vicenza (IRRIV), Vicenza, Italy
- Department of Chemical Engineering and Economics BITS Pilani, Pilani, India
| | - Mauro Neri
- Department of Nephrology, Ospedale San Bortolo, Vicenza, Italy
- Department of International Renal Research Institute Vicenza (IRRIV), Vicenza, Italy
| | - Grazia Maria Virzi
- Department of Nephrology, Ospedale San Bortolo, Vicenza, Italy
- Department of International Renal Research Institute Vicenza (IRRIV), Vicenza, Italy
| | - Alessandra Brocca
- Department of Nephrology, Ospedale San Bortolo, Vicenza, Italy
- Department of International Renal Research Institute Vicenza (IRRIV), Vicenza, Italy
| | - Elisa Scalzotto
- Department of Nephrology, Ospedale San Bortolo, Vicenza, Italy
- Department of International Renal Research Institute Vicenza (IRRIV), Vicenza, Italy
| | - Loris Salvador
- Department of Cardiac Surgery, Ospedale San Bortolo, Vicenza, Italy
| | - Claudio Ronco
- Department of Nephrology, Ospedale San Bortolo, Vicenza, Italy
- Department of International Renal Research Institute Vicenza (IRRIV), Vicenza, Italy
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Abstract
OBJECTIVE Utilization of anemia tolerance reduces the need for and risks of perioperative transfusion. Recent publications indicate that the critical limit for oxygen supply might not be the same for each organ system. Therefore, we investigated the effects of acute dilutional anemia on heart, brain, kidneys, liver, small intestine, and skeletal muscle to quantify organ-specific tolerance of different levels of acute anemic hypoxia. We hypothesized that, in some organs, tissue hypoxia occurs before the critical limits of systemic oxygen supply are reached. DESIGN Laboratory animal experiments. SETTING Animal research laboratory at university medical school. SUBJECTS A total of 18 domestic pigs of either sex (average weight: 19.6 kg). INTERVENTIONS Animals were anesthetized, ventilated, and randomized into three groups and then hemodiluted by exchange of 6% hydroxyethyl starch (130,000:0.4) for whole blood to the group-specific endpoint: Sham (no hemodilution), Hb4 (hemoglobin 4.3 g/dL), Hbcrit (2.7 g/dL). Subsequently, 10 mg/kg pimonidazole (which forms protein adducts in hypoxic cells) was injected. One hour after injection, tissue samples were collected and analyzed for pimonidazole-protein adduct quantification (dot blot) and as a surrogate for transcriptional activation during hypoxia the expression of vascular endothelial growth factor messenger RNA. Relevant hemodynamic and metabolic parameters were collected. MEASUREMENTS AND MAIN RESULTS Hemodynamics, metabolic parameters, or oxygen consumption did not indicate that tissue oxygenation was restricted before reaching Hbcrit. However, kidneys and skeletal muscle showed enhanced pimonidazole binding and vascular endothelial growth factor expression at Hb4. By contrast, liver oxygenation was actually improved at Hb4. Heart, brain, and liver showed no signs of tissue hypoxia at Hb4. CONCLUSIONS Heart, brain, kidneys, liver, small intestine, and skeletal muscle experience tissue hypoxia at different degrees of acute anemia, as assessed by the pimonidazole method and vascular endothelial growth factor expression. Further studies are needed to elucidate the mechanisms that determine organ-specific anemia tolerance.
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Newland RF, Tully PJ, Baker RA. Hyperthermic perfusion during cardiopulmonary bypass and postoperative temperature are independent predictors of acute kidney injury following cardiac surgery. Perfusion 2013; 28:223-31. [DOI: 10.1177/0267659112472385] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Acute kidney injury (AKI) following cardiopulmonary bypass (CPB) is associated with increased mortality, requirement for dialysis, and longer intensive care unit (ICU) and hospital length of stay. Rewarming during CPB and poor oxygen delivery have been associated with AKI; however, the role of temperature management on AKI has not been clearly defined. This study aims to evaluate the role of hyperthermia during CPB and the temperature upon admission to the ICU on AKI following cardiac surgery, using the RIFLE (renal Risk, Injury, Failure, Loss of renal function and End-stage renal disease) criteria. To determine whether CPB hyperthermia (measured as the cumulative time the arterial outlet temperature >37°C) and ICU admission temperature were independent risk factors for AKI, data from 1393 consecutive adult patients undergoing isolated on-pump coronary artery bypass graft (CABG), valve repair and/or replacement and valve/CABG procedures was analysed using a logistic multivariate model. After testing for interaction, we incorporated covariates having a p-value <0.1. AKI was defined according to the RIFLE criteria as an increase in serum creatinine >50% from baseline to peak value postoperatively. Overall, 12.3% of patients developed AKI with a 4.5-fold increase in in-hospital mortality. Variables found to be independent predictors of AKI included CPB hyperthermia (Odds ratio [OR] 1.03 per minute increase [95% confidence interval (CI) 1.01-1.05]; p = 0.01), ICU admission temperature ([OR] 1.44 per degree increase [(CI) 1.13-1.85]; p<0.001), minimum CPB haemoglobin ([OR] 0.83 per g/dL increase [(CI) 0.71-0.97]; p = 0.02), use of intra-aortic balloon pump ([OR] 2.69 [(CI) 1.24-5.82]; p = 0.01) and ICU readmission ([OR] 3.13 [(CI) 1.73-5.64]; p<0.001). Avoiding arterial outlet hyperthermia may help decrease AKI following cardiac surgery using CPB. Both intraoperative and postoperative temperature management strategies should be the focus of future randomised studies to determine optimal interventions.
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Affiliation(s)
- RF Newland
- Cardiac Surgery Research and Perfusion, Flinders Medical Centre and Flinders University, Bedford Drive, South Australia, Australia
| | - PJ Tully
- Cardiac Surgery Research and Perfusion, Flinders Medical Centre and Flinders University, Bedford Drive, South Australia, Australia
| | - RA Baker
- Cardiac Surgery Research and Perfusion, Flinders Medical Centre and Flinders University, Bedford Drive, South Australia, Australia
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Risks of packed red blood cell transfusion in patients undergoing cardiac surgery. J Crit Care 2012; 27:737.e1-9. [DOI: 10.1016/j.jcrc.2012.05.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2012] [Revised: 05/09/2012] [Accepted: 05/13/2012] [Indexed: 01/29/2023]
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Vermeulen Windsant IC, de Wit NCJ, Sertorio JTC, Beckers EAM, Tanus-Santos JE, Jacobs MJ, Buurman WA. Blood transfusions increase circulating plasma free hemoglobin levels and plasma nitric oxide consumption: a prospective observational pilot study. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2012; 16:R95. [PMID: 22624585 PMCID: PMC3580641 DOI: 10.1186/cc11359] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2012] [Accepted: 05/25/2012] [Indexed: 12/13/2022]
Abstract
Introduction The increasing number of reports on the relation between transfusion of stored red blood cells (RBCs) and adverse patient outcome has sparked an intense debate on the benefits and risks of blood transfusions. Meanwhile, the pathophysiological mechanisms underlying this postulated relation remain unclear. The development of hemolysis during storage might contribute to this mechanism by release of free hemoglobin (fHb), a potent nitric oxide (NO) scavenger, which may impair vasodilation and microcirculatory perfusion after transfusion. The objective of this prospective observational pilot study was to establish whether RBC transfusion results in increased circulating fHb levels and plasma NO consumption. In addition, the relation between increased fHb values and circulating haptoglobin, its natural scavenger, was studied. Methods Thirty patients electively received 1 stored packed RBC unit (n = 8) or 2 stored packed RBC units (n = 22). Blood samples were drawn to analyze plasma levels of fHb, haptoglobin, and NO consumption prior to transfusion, and 15, 30, 60 and 120 minutes and 24 hours after transfusion. Differences were compared using Pearson's chi-square test or Fisher's exact test for dichotomous variables, or an independent-sample t test or Mann-Whitney U test for continuous data. Continuous, multiple-timepoint data were analyzed using repeated one-way analysis of variance or the Kruskall-Wallis test. Correlations were analyzed using Spearman or Pearson correlation. Results Storage duration correlated significantly with fHb concentrations and NO consumption within the storage medium (r = 0.51, P < 0.001 and r = 0.62, P = 0.002). fHb also significantly correlated with NO consumption directly (r = 0.61, P = 0.002). Transfusion of 2 RBC units significantly increased circulating fHb and NO consumption in the recipient (P < 0.001 and P < 0.05, respectively), in contrast to transfusion of 1 stored RBC unit. Storage duration of the blood products did not correlate with changes in fHb and NO consumption in the recipient. In contrast, pre-transfusion recipient plasma haptoglobin levels inversely influenced post-transfusion fHb concentrations. Conclusion These data suggest that RBC transfusion can significantly increase post-transfusion plasma fHb levels and plasma NO consumption in the recipient. This finding may contribute to the potential pathophysiological mechanism underlying the much-discussed adverse relation between blood transfusions and patient outcome. This observation may be of particular importance for patients with substantial transfusion requirements.
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Blood transfusions increase circulating plasma free hemoglobin levels and plasma nitric oxide consumption: a prospective observational pilot study. CRITICAL CARE (LONDON, ENGLAND) 2012. [PMID: 22624585 DOI: 10.1186/cc.11359] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
INTRODUCTION The increasing number of reports on the relation between transfusion of stored red blood cells (RBCs) and adverse patient outcome has sparked an intense debate on the benefits and risks of blood transfusions. Meanwhile, the pathophysiological mechanisms underlying this postulated relation remain unclear. The development of hemolysis during storage might contribute to this mechanism by release of free hemoglobin (fHb), a potent nitric oxide (NO) scavenger, which may impair vasodilation and microcirculatory perfusion after transfusion. The objective of this prospective observational pilot study was to establish whether RBC transfusion results in increased circulating fHb levels and plasma NO consumption. In addition, the relation between increased fHb values and circulating haptoglobin, its natural scavenger, was studied. METHODS Thirty patients electively received 1 stored packed RBC unit (n = 8) or 2 stored packed RBC units (n = 22). Blood samples were drawn to analyze plasma levels of fHb, haptoglobin, and NO consumption prior to transfusion, and 15, 30, 60 and 120 minutes and 24 hours after transfusion. Differences were compared using Pearson's chi-square test or Fisher's exact test for dichotomous variables, or an independent-sample t test or Mann-Whitney U test for continuous data. Continuous, multiple-timepoint data were analyzed using repeated one-way analysis of variance or the Kruskall-Wallis test. Correlations were analyzed using Spearman or Pearson correlation. RESULTS Storage duration correlated significantly with fHb concentrations and NO consumption within the storage medium (r = 0.51, P < 0.001 and r = 0.62, P = 0.002). fHb also significantly correlated with NO consumption directly (r = 0.61, P = 0.002). Transfusion of 2 RBC units significantly increased circulating fHb and NO consumption in the recipient (P < 0.001 and P < 0.05, respectively), in contrast to transfusion of 1 stored RBC unit. Storage duration of the blood products did not correlate with changes in fHb and NO consumption in the recipient. In contrast, pre-transfusion recipient plasma haptoglobin levels inversely influenced post-transfusion fHb concentrations. CONCLUSION These data suggest that RBC transfusion can significantly increase post-transfusion plasma fHb levels and plasma NO consumption in the recipient. This finding may contribute to the potential pathophysiological mechanism underlying the much-discussed adverse relation between blood transfusions and patient outcome. This observation may be of particular importance for patients with substantial transfusion requirements.
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Nalla BP, Freedman J, Hare GMT, Mazer CD. Update on blood conservation for cardiac surgery. J Cardiothorac Vasc Anesth 2011; 26:117-33. [PMID: 22000983 DOI: 10.1053/j.jvca.2011.07.024] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2010] [Indexed: 11/11/2022]
Affiliation(s)
- Bhanu P Nalla
- Department of Anesthesia, Keenan Research Center in the Li Ka Shing Knowledge Translation Institute of St Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
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Abstract
As screening for transfusion-associated infections has improved, noninfectious complications of transfusion now cause the majority of morbidity and mortality associated with transfusion in the United States. For example, transfusion-related acute lung injury, transfusion-associated circulatory overload, and hemolytic transfusion-reactions are the first, second, and third leading causes of death from transfusion, respectively. These complications and others are reviewed, and several controversial methods for prevention of noninfectious complications of transfusion are discussed, including universal leukoreduction of erythrocyte units, use of male-only plasma, and restriction of erythrocyte storage age.
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Affiliation(s)
- Brian M Gilliss
- Department of Anesthesia and Perioperative Care, University of California, San Francisco, California 94143-0624, USA
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Haase M, Bellomo R, Story D, Letis A, Klemz K, Matalanis G, Seevanayagam S, Dragun D, Seeliger E, Mertens PR, Haase-Fielitz A. Effect of mean arterial pressure, haemoglobin and blood transfusion during cardiopulmonary bypass on post-operative acute kidney injury. Nephrol Dial Transplant 2011; 27:153-60. [PMID: 21677302 DOI: 10.1093/ndt/gfr275] [Citation(s) in RCA: 150] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Acute kidney injury (AKI) after cardiac surgery is a common and serious condition carrying significant costs. During cardiopulmonary bypass (CPB) surgery, modifiable factors may contribute to post-operative AKI. Their avoidance might be a potential target for nephroprotection. METHODS The objective of the present study was to identify and determine whether intraoperative hypotension, anaemia, or their combination, red blood cell transfusion or vasopressor use are independent risk factors for post-operative AKI defined by the RIFLE (renal Risk, Injury, Failure, Loss of renal function and End-stage renal disease) classification and other thresholds using a mixed logistic multivariate model. RESULTS We analysed 381 468 mean arterial pressure (MAP) measurements from 920 consecutive on-pump cardiac surgery patients. Overall, 19.5% developed AKI which was associated with an 8.2-fold increase in-hospital mortality. Haemoglobin concentration was an independent risk factor for AKI {odds ratio [OR] 1.16 per g/dL decrease [95% confidence interval (CI) 1.05-1.31]; P = 0.018} with systemic arterial oxygen saturation and pressure values not adding further strength to such an association. MAP alone or vasopressor administration was not independently associated with AKI but volume of red blood cell transfusion was, with its effect being apparent at a haemoglobin level of >8 g/dL (>5 mmol/L). In patients with severe anaemia (<25th percentile of lowest haemoglobin), the independent effect of hypotension (>75th percentile of area under the curve MAP <50 mmHg) on AKI was more pronounced [OR 3.36 (95% CI 1.34-8.41); P = 0.010]. CONCLUSION Intraoperative avoidance of the extremes of anaemia, especially during severe hypotension and avoidance of transfusion in patients with haemoglobin levels >8 g/dL (>5 mmol/L) may help decrease AKI in patients undergoing cardiac surgery and represent targets for future controlled interventions.
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Affiliation(s)
- Michael Haase
- Department of Nephrology and Intensive Care, Charité—University Medicine Berlin, Berlin, Germany
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Josephson CD, Wesolowski A, Bao G, Sola-Visner MC, Dudell G, Castillejo MI, Shaz BH, Easley KA, Hillyer CD, Maheshwari A. Do red cell transfusions increase the risk of necrotizing enterocolitis in premature infants? J Pediatr 2010; 157:972-978.e1-3. [PMID: 20650470 PMCID: PMC4425198 DOI: 10.1016/j.jpeds.2010.05.054] [Citation(s) in RCA: 86] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2010] [Revised: 04/23/2010] [Accepted: 05/28/2010] [Indexed: 11/18/2022]
Abstract
OBJECTIVE To test the hypothesis that red blood cell (RBC) transfusions increase the risk of necrotizing enterocolitis (NEC) in premature infants, we investigated whether the risk of "transfusion-associated" NEC is higher in infants with lower hematocrits and advanced postnatal age. STUDY DESIGN Retrospective comparison of NEC patients and control patients born at < 34 weeks gestation. RESULTS The frequency of RBC transfusions was similar in NEC patients (47/93, 51%) and control patients (52/91, 58%). Late-onset NEC (> 4 weeks of age) was more frequently associated with a history of transfusion(s) than early-onset NEC (adjusted OR, 6.7; 95% CI, 1.5 to 31.2; P = .02). Compared with nontransfused patients, RBC-transfused patients were born at earlier gestational ages, had greater intensive care needs (including at the time of onset of NEC), and longer hospital stay. A history of RBC transfusions within 48-hours before NEC onset was noted in 38% of patients, most of whom were extremely low birth weight infants. CONCLUSIONS In most patients, RBC transfusions were temporally unrelated to NEC and may be merely a marker of overall severity of illness. However, the relationship between RBC transfusions and NEC requires further evaluation in extremely low birth weight infants using a prospective cohort design.
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Affiliation(s)
- Cassandra D. Josephson
- Department of Pathology and Laboratory Medicine, Center for Transfusion and Cellular Therapies, Emory University School of Medicine, Atlanta, GA
- Aflac Cancer Center & Blood Disorders Services at Children’s Healthcare of Atlanta, Atlanta, GA
| | | | - Gaobin Bao
- Biostatistics and Bioinformatics, Rollins School of Public Health, Atlanta, GA
| | - Martha C. Sola-Visner
- Department of Pediatrics, Division of Newborn Medicine, Children’s Hospital and Harvard Medical School, Boston, MA
| | - Golde Dudell
- Department of Pediatrics, Division of Neonatal-Perinatal Medicine, Children’s Hospital and Research Center, Oakland, CA
| | - Marta-Inés Castillejo
- Department of Pathology and Laboratory Medicine, Center for Transfusion and Cellular Therapies, Emory University School of Medicine, Atlanta, GA
| | - Beth H. Shaz
- Department of Pathology and Laboratory Medicine, Center for Transfusion and Cellular Therapies, Emory University School of Medicine, Atlanta, GA
| | - Kirk A. Easley
- Biostatistics and Bioinformatics, Rollins School of Public Health, Atlanta, GA
| | | | - Akhil Maheshwari
- Department of Pediatrics, University of Alabama at Birmingham, Birmingham, AL
- Department of Cell Biology, University of Alabama at Birmingham, Birmingham, AL
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL
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Brilli RJ, McClead RE, Davis T, Stoverock L, Rayburn A, Berry JC, Shaz BH, Easley KA, Hillyer CD, Maheshwari A. The Preventable Harm Index: an effective motivator to facilitate the drive to zero. J Pediatr 2010; 157:681-3. [PMID: 20650469 DOI: 10.1016/j.jpeds.2010.05.046] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2010] [Revised: 03/31/2010] [Accepted: 05/26/2010] [Indexed: 11/26/2022]
Affiliation(s)
- Richard J Brilli
- Nationwide Children's Hospital, Department of Pediatrics, Division of Critical Care Medicine, The Ohio State University College of Medicine, Columbus, OH 43205, USA.
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