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Does the age of packed red blood cells, donor sex or sex mismatch affect the sublingual microcirculation in critically ill intensive care unit patients? A secondary interpretation of a retrospective analysis. J Clin Monit Comput 2023; 37:179-188. [PMID: 35665876 PMCID: PMC9852146 DOI: 10.1007/s10877-022-00877-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 05/05/2022] [Indexed: 01/24/2023]
Abstract
In vitro studies have thoroughly documented age-dependent impact of storage lesions in packed red blood cells (pRBC) on erythrocyte oxygen carrying capacity. While studies have examined the effect of pRBC age on patient outcome only few data exist on the microcirculation as their primary site of action. In this secondary analysis we examined the relationship between age of pRBC and changes of microcirculatory flow (MCF) in 54 patients based on data from the Basel Bedside assessment Microcirculation Transfusion Limit study (Ba2MiTraL) on effects of pRBC on sublingual MCF. Mean change from pre- to post-transfusion proportion of perfused vessels (∆PPV) was + 8.8% (IQR - 0.5 to 22.5), 5.5% (IQR 0.1 to 10.1), and + 4.7% (IQR - 2.1 to 6.5) after transfusion of fresh (≤ 14 days old), medium (15 to 34 days old), and old (≥ 35 days old) pRBC, respectively. Values for the microcirculatory flow index (MFI) were + 0.22 (IQR - 0.1 to 0.6), + 0.22 (IQR 0.0 to 0.3), and + 0.06 (IQR - 0.1 to 0.3) for the fresh, medium, and old pRBC age groups, respectively. Lower ∆PPV and transfusion of older blood correlated with a higher Sequential Organ Failure Assessment (SOFA) score of patients upon admission to the intensive care unit (ICU) (p = 0.01). However, regression models showed no overall significant correlation between pRBC age and ∆PPV (p = 0.2). Donor or recipient sex had no influence. We detected no significant effect of pRBC on microcirculation. Patients with a higher SOFA score upon ICU admission might experience a negative effect on the ∆PPV after transfusion of older blood.
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The Relevance of Fluid and Blood Management Using Microcirculatory Parameters in Children Undergoing Craniofacial Surgery. J Craniofac Surg 2021; 33:264-269. [PMID: 34406155 DOI: 10.1097/scs.0000000000008080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
ABSTRACT Perioperative management of bleeding in children can be challenging. Microvascular imaging techniques have allowed evaluating the effect of blood transfusion on the microcirculation, but little is known about these effects in children. We aimed to investigate the effects of blood management using macro- and micro-hemodynamic parameters measurement in children undergoing craniofacial surgery. This is a prospective observational repeated measurement study including fourteen children. The indications for blood transfusion were changes of hemoglobin/hematocrit (Hct) levels, the presence of signs of altered tissue perfusion and impaired microcirculation images. Total and perfused vessel densities, proportion of perfused vessels, microvascular flow index, and systemic parameters (hemoglobin, Hct, lactate, mixed venous oxygen saturation, K+, heart rate, mean arterial blood pressure) were evaluated baseline (T1), at the end of the surgical bleeding (T2) and end of the operation (T3). Four patients did not need a blood transfusion. In the other 10 patients who received a blood transfusion, capillary perfusion was higher at T3 (13[9-16]) when compared with the values of at T2 (11[8-12]) (P < 0.05) but only 6 patients reached their baseline values. Although blood transfusions increased Hct values (17 ± 2.4 [T2]-19 ± 2.8 [T3]) (P < 0.05), there was no correlation between microvascular changes and systemic hemodynamic parameters (P > 0.05). The sublingual microcirculation could change by blood transfusion but there was not any correlation between microcirculation changes, hemodynamic, and tissue perfusion parameters even with Hct values. The indication, guidance, and timing of fluid and blood therapy may be assessed by bedside microvascular analysis in combination with standard hemodynamic and biochemical monitoring for intraoperative bleeding in children.
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Chng KZ, Ng YC, Namgung B, Tan JKS, Park S, Tien SL, Leo HL, Kim S. Assessment of transient changes in oxygen diffusion of single red blood cells using a microfluidic analytical platform. Commun Biol 2021; 4:271. [PMID: 33654170 PMCID: PMC7925684 DOI: 10.1038/s42003-021-01793-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 01/26/2021] [Indexed: 02/07/2023] Open
Abstract
Red blood cells (RBCs) capability to deliver oxygen (O2) has been routinely measured by P50. Although this defines the ability of RBCs to carry O2 under equilibrium states, it cannot determine the efficacy of O2 delivery in dynamic blood flow. Here, we developed a microfluidic analytical platform (MAP) that isolates single RBCs for assessing transient changes in their O2 release rate. We found that in vivo (biological) and in vitro (blood storage) aging of RBC could lead to an increase in the O2 release rate, despite a decrease in P50. Rejuvenation of stored RBCs (Day 42), though increased the P50, failed to restore the O2 release rate to basal level (Day 0). The temporal dimension provided at the single-cell level by MAP could shed new insights into the dynamics of O2 delivery in both physiological and pathological conditions.
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Affiliation(s)
- Kevin Ziyang Chng
- Department of Biomedical Engineering, National University of Singapore, Singapore, Singapore
| | - Yan Cheng Ng
- Department of Biomedical Engineering, National University of Singapore, Singapore, Singapore.,NUS Graduate School for Integrative Sciences and Efngineering, National University of Singapore, Singapore, Singapore
| | - Bumseok Namgung
- Department of Biomedical Engineering, National University of Singapore, Singapore, Singapore
| | - Justin Kok Soon Tan
- Department of Biomedical Engineering, National University of Singapore, Singapore, Singapore
| | - Soyeon Park
- Department of Biomedical Engineering, National University of Singapore, Singapore, Singapore.,Institute for Health Innovation & Technology, National University of Singapore, Singapore, Singapore
| | - Sim Leng Tien
- Department of Hematology, Singapore General Hospital, Singapore, Singapore
| | - Hwa Liang Leo
- Department of Biomedical Engineering, National University of Singapore, Singapore, Singapore.,NUS Graduate School for Integrative Sciences and Efngineering, National University of Singapore, Singapore, Singapore
| | - Sangho Kim
- Department of Biomedical Engineering, National University of Singapore, Singapore, Singapore. .,NUS Graduate School for Integrative Sciences and Efngineering, National University of Singapore, Singapore, Singapore. .,Institute for Health Innovation & Technology, National University of Singapore, Singapore, Singapore.
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4
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NIH Workshop 2018: Towards Minimally Invasive or Noninvasive Approaches to Assess Tissue Oxygenation Pre- and Post-transfusion. Transfus Med Rev 2020; 35:46-55. [PMID: 33353783 DOI: 10.1016/j.tmrv.2020.12.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 12/01/2020] [Accepted: 12/02/2020] [Indexed: 12/12/2022]
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5
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Liu W, He H, Ince C, Long Y. The effect of blood transfusion on sublingual microcirculation in critically ill patients: A scoping review. Microcirculation 2020; 28:e12666. [PMID: 33091957 DOI: 10.1111/micc.12666] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 10/10/2020] [Accepted: 10/14/2020] [Indexed: 11/30/2022]
Abstract
PURPOSE To investigate the effects of red blood cell (RBC) transfusion on sublingual microcirculation in critically ill patients. METHODS Systematic strategy was conducted to search studies that measured sublingual microcirculation before and after transfusion in critically ill patients. This review was reported according to the Preferred Reporting Items for Systematic Review and Meta-Analyses Scoping Review Extension. RESULTS The literature search yielded 114 articles. A total of 11 studies met the inclusion criteria. Observational evidence showed diffusive capacity of the microcirculation significantly improved in intraoperative and anemic hematologic patients after transfusion, while the convective parameters significantly improved in traumatic patients. RBC transfusion improved both diffusive and convective microcirculatory parameters in hypovolemic hemorrhagic shock patients. Most of the studies enrolled septic patients showed no microcirculatory improvements after transfusion. The positive effects of the leukoreduction were insufficiently supported. The effects of the storage time of the RBCs were not conclusive. The majority of the evidence supported a negative correlation between baseline proportion of perfused vessels (PPV) and changes in PPV. CONCLUSIONS This scoping review has catalogued evidence that RBC transfusion differently improves sublingual microcirculation in different populations. The existing evidence is not sufficient to conclude the effects of the leukoreduction and storage time of RBCs.
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Affiliation(s)
- Wanglin Liu
- Department of Critical Care Medicine, Peking Union Medical College Hospital, Beijing, China
| | - Huaiwu He
- Department of Critical Care Medicine, Peking Union Medical College Hospital, Beijing, China
| | - Can Ince
- Department of Intensive Care, Laboratory of Translational Intensive Care, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Yun Long
- Department of Critical Care Medicine, Peking Union Medical College Hospital, Beijing, China
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Near Infrared Spectroscopy in Anemia Detection and Management: A Systematic Review. Transfus Med Rev 2020; 35:22-28. [PMID: 32907764 DOI: 10.1016/j.tmrv.2020.07.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 07/19/2020] [Accepted: 07/26/2020] [Indexed: 01/28/2023]
Abstract
Red cell transfusions are intended to improve oxygen delivery to tissues. Although studies comparing hemoglobin concentration triggers for transfusion have been done, the hemoglobin threshold for clinical benefit remains uncertain. Direct measurement of tissue oxygenation with non-invasive near infrared spectroscopy has been proposed as a more physiological transfusion trigger, but its clinical role remains unclear. This systematic review examined the role of near infrared spectroscopy for detection of anemia and guiding transfusion decisions. Abstracts were identified up until May 2019 through searches of PubMed, EMBASE and The Web of Science. There were 69 studies meeting the inclusion criteria, most (n = 65) of which were observational studies. Tissue oxygen saturation had been measured in a wide range of clinical settings, with neonatal intensive care (n = 26) and trauma (n = 7) being most common. Correlations with hemoglobin concentration and tissue oxygenation were noted and there were correlations between changes in red cell mass and changes in tissue oxygenation through blood loss or transfusion. The value of tissue oxygenation for predicting transfusion was determined in only four studies, all using muscle oxygen saturation in the adult trauma setting. The overall sensitivity was low at 34% (27%-42%) and while it had better specificity at 78% (74%-82%), differing and retrospective approaches create a high level of uncertainty with respect to these conclusions. There were four prospective randomized studies involving 540 patients, in cardiac and neurological surgery and in neonates that compared near infrared spectroscopy to guide transfusion decisions with standard practice. These showed a reduction in the number of red cells transfused per patient (OR: 0.44 [0.09-0.79]), but not the number of patients who received transfusion (OR: 0.71 [0.46-1.10]), and no change in clinical outcomes. Measuring tissue oxygen saturation has potential to help guide transfusion; however, there is a lack of data upon which to recommend widespread implementation into clinical practice. Standardization of measurements is required and greater research into levels at which tissue oxygenation may lead to adverse clinical outcomes would help in the design of future clinical trials.
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Please add some clarity to transfusion thresholds-It makes my head spin! J Thorac Cardiovasc Surg 2019; 157:1043-1044. [PMID: 30598269 DOI: 10.1016/j.jtcvs.2018.11.070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 11/20/2018] [Accepted: 11/21/2018] [Indexed: 10/27/2022]
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Yoshida T, Prudent M, D’Alessandro A. Red blood cell storage lesion: causes and potential clinical consequences. BLOOD TRANSFUSION = TRASFUSIONE DEL SANGUE 2019; 17:27-52. [PMID: 30653459 PMCID: PMC6343598 DOI: 10.2450/2019.0217-18] [Citation(s) in RCA: 149] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 12/06/2018] [Indexed: 11/21/2022]
Abstract
Red blood cells (RBCs) are a specialised organ that enabled the evolution of multicellular organisms by supplying a sufficient quantity of oxygen to cells that cannot obtain oxygen directly from ambient air via diffusion, thereby fueling oxidative phosphorylation for highly efficient energy production. RBCs have evolved to optimally serve this purpose by packing high concentrations of haemoglobin in their cytosol and shedding nuclei and other organelles. During their circulatory lifetimes in humans of approximately 120 days, RBCs are poised to transport oxygen by metabolic/redox enzymes until they accumulate damage and are promptly removed by the reticuloendothelial system. These elaborate evolutionary adaptions, however, are no longer effective when RBCs are removed from the circulation and stored hypothermically in blood banks, where they develop storage-induced damages ("storage lesions") that accumulate over the shelf life of stored RBCs. This review attempts to provide a comprehensive view of the literature on the subject of RBC storage lesions and their purported clinical consequences by incorporating the recent exponential growth in available data obtained from "omics" technologies in addition to that published in more traditional literature. To summarise this vast amount of information, the subject is organised in figures with four panels: i) root causes; ii) RBC storage lesions; iii) physiological effects; and iv) reported outcomes. The driving forces for the development of the storage lesions can be roughly classified into two root causes: i) metabolite accumulation/depletion, the target of various interventions (additive solutions) developed since the inception of blood banking; and ii) oxidative damages, which have been reported for decades but not addressed systemically until recently. Downstream physiological consequences of these storage lesions, derived mainly by in vitro studies, are described, and further potential links to clinical consequences are discussed. Interventions to postpone the onset and mitigate the extent of the storage lesion development are briefly reviewed. In addition, we briefly discuss the results from recent randomised controlled trials on the age of stored blood and clinical outcomes of transfusion.
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Affiliation(s)
| | - Michel Prudent
- Laboratoire de Recherche sur les Produits Sanguins, Transfusion Interrégionale CRS, Epalinges, Switzerland
- Faculté de Biologie et de Médicine, Université de Lausanne, Lausanne, Switzerland
| | - Angelo D’Alessandro
- Department of Biochemistry and Molecular Genetics University of Colorado, Denver, CO, United States of America
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Veenstra G, Ince C, Barendrecht BW, Zijlstra HW, Boerma EC. Differences in capillary recruitment between cardiac surgery and septic patients after fluid resuscitation. Microvasc Res 2018; 123:14-18. [PMID: 30448399 DOI: 10.1016/j.mvr.2018.11.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 11/12/2018] [Accepted: 11/14/2018] [Indexed: 01/12/2023]
Abstract
BACKGROUND Clinical evaluation of the effects of fluid therapy remains cumbersome and strategies are based on the assumption that normalization of macrohemodynamic variables will result in parallel improvement in organ perfusion. Recently, we and others suggested the use of direct in-vivo observation of the microcirculation to evaluate the effects of fluid therapy. METHODS A single-centre observational study, using in-vivo microscopy to assess total vessel density (TVD) in two subsets of ICU patients. RESULTS After fluid resuscitation TVD showed no difference between sepsis patients (N = 47) and cardiac surgery patients (N = 52): 18.4[16.8-20.8] vs 18.7[16.8-20.9] mm/mm2, p = 0.59. In cardiac surgery patients there was a significant correlation between the amount of fluids administered and TVD, with an optimum in the third quartile. However, such correlation was absent in septic patients. CONCLUSIONS TVD after fluid administration is not different between 2 subtypes of intensive care patients. However, only in septic patients we observed a lack of coherence between the amount of fluids administered and TVD. Further research is needed to determine if TVD may serve as potential endpoint for fluid administration.
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Affiliation(s)
- Gerke Veenstra
- Department of Intensive Care, Medical Center Leeuwarden, Leeuwarden, The Netherlands; Department of Translational Physiology, Amsterdam UMC, Amsterdam, The Netherlands.
| | - Can Ince
- Department of Translational Physiology, Amsterdam UMC, Amsterdam, The Netherlands; Department of Intensive Care, Erasmus MC University Hospital Rotterdam, Rotterdam, The Netherlands.
| | - Bart W Barendrecht
- Department of Intensive Care, Medical Center Leeuwarden, Leeuwarden, The Netherlands
| | - Hendrik W Zijlstra
- Department of Intensive Care, Medical Center Leeuwarden, Leeuwarden, The Netherlands
| | - E Christiaan Boerma
- Department of Intensive Care, Medical Center Leeuwarden, Leeuwarden, The Netherlands
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Barshtein G, Arbell D, Livshits L, Gural A. Is It Possible to Reverse the Storage-Induced Lesion of Red Blood Cells? Front Physiol 2018; 9:914. [PMID: 30087617 PMCID: PMC6066962 DOI: 10.3389/fphys.2018.00914] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Accepted: 06/22/2018] [Indexed: 12/12/2022] Open
Abstract
Cold-storage of packed red blood cells (PRBCs) in the blood bank is reportedly associated with alteration in a wide range of RBC features, which change cell storage each on its own timescale. Thus, some of the changes take place at an early stage of storage (during the first 7 days), while others occur later. We still do not have a clear understanding what happens to the damaged PRBC following their transfusion. We know that some portion (from a few to 10%) of transfused cells with a high degree of damage are removed from the bloodstream immediately or in the first hour(s) after the transfusion. The remaining cells partially restore their functionality and remain in the recipient’s blood for a longer time. Thus, the ability of transfused cells to recover is a significant factor in PRBC transfusion effectiveness. In the present review, we discuss publications that examined RBC lesions induced by the cold storage, aiming to offer a better understanding of the time frame in which these lesions occur, with particular emphasis on the question of their reversibility. We argue that transfused RBCs are capable (in a matter of a few hours) of restoring their pre-storage levels of ATP and 2,3-DPG, with subsequent restoration of cell functionality, especially of those properties having a more pronounced ATP-dependence. The extent of reversal is inversely proportional to the extent of damage, and some of the changes cannot be reversed.
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Affiliation(s)
- Gregory Barshtein
- Faculty of Medicine, Biochemistry Department, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Dan Arbell
- Pediatric Surgery, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Leonid Livshits
- Faculty of Medicine, Biochemistry Department, Hebrew University of Jerusalem, Jerusalem, Israel.,Institute of Veterinary Physiology, University of Zurich, Zürich, Switzerland
| | - Alexander Gural
- Blood Bank, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
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Barshtein G, Arbell D, Yedgar S. Hemodynamic Functionality of Transfused Red Blood Cells in the Microcirculation of Blood Recipients. Front Physiol 2018; 9:41. [PMID: 29441026 PMCID: PMC5797635 DOI: 10.3389/fphys.2018.00041] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 01/11/2018] [Indexed: 01/23/2023] Open
Abstract
The primary goal of red blood cell (RBC) transfusion is to supply oxygen to tissues and organs. However, due to a growing number of studies that have reported negative transfusion outcomes, including reduced blood perfusion, there is rising concern about the risks in blood transfusion. RBC are characterized by unique flow-affecting properties, specifically adherence to blood vessel wall endothelium, cell deformability, and self-aggregability, which define their hemodynamic functionality (HF), namely their potential to affect blood circulation. The role of the HF of RBC in blood circulation, particularly the microcirculation, has been documented in numerous studies with animal models. These studies indicate that the HF of transfused RBC (TRBC) plays an important role in the transfusion outcome. However, studies with animal models must be interpreted with reservations, as animal physiology may not reflect human physiology. To test this concept in humans, we have directly examined the effect of the HF of TRBC, as expressed by their deformability and adherence to vascular endothelium, on the transfusion-induced effect on the skin blood flow and hemoglobin increment in β-thalassemia major patients. The results demonstrated, for the first time in humans, that the TRBC HF is a potent effector of the transfusion outcome, expressed by the transfusion-induced increase in the recipients' hemoglobin level, and the change in the skin blood flow, indicating a link between the microcirculation and the survival of TRBC in the recipients' vascular system. The implication of these findings for blood transfusion practice and to vascular function in blood recipients is discussed.
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Affiliation(s)
- Gregory Barshtein
- Department of Biochemistry, Faculty of Medicine, Hebrew University, Jerusalem, Israel
| | - Dan Arbell
- Department of Pediatric Surgery, Hadassah University Hospital, Jerusalem, Israel
| | - Saul Yedgar
- Department of Biochemistry, Faculty of Medicine, Hebrew University, Jerusalem, Israel
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12
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Ashikhmina E. Did near-infrared spectroscopy leave us in the dark? J Thorac Cardiovasc Surg 2016; 153:620-621. [PMID: 27964984 DOI: 10.1016/j.jtcvs.2016.11.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Accepted: 11/10/2016] [Indexed: 10/20/2022]
Affiliation(s)
- Elena Ashikhmina
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minn.
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