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Jung F, Connes P. Morphology and Function of Red Blood Cells in COVID-19 Patients: Current Overview 2023. Life (Basel) 2024; 14:460. [PMID: 38672731 PMCID: PMC11051426 DOI: 10.3390/life14040460] [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: 02/06/2024] [Revised: 03/21/2024] [Accepted: 03/28/2024] [Indexed: 04/28/2024] Open
Abstract
In severe cases, SARS-CoV-2 infection leads to severe respiratory failure. Although angiotensin-converting enzyme 2 (ACE2) receptors are not expressed in red blood cells, SARS-CoV-2 can interact with red blood cells (RBCs) via several receptors or auxiliary membrane proteins. Recent data show that viral infection causes significant damage to the RBCs, altering their morphology, deformability, and aggregability. Loss of RBC deformability and/or increased aggregability favors the development of thrombotic processes in the microcirculation, as has been described to occur in COVID-19 patients. In addition, many patients also develop systemic endotheliitis associated with generalized coagulopathy. This manifests itself clinically as obstructive microthrombi in the area of the medium and smallest vessels, which can affect all internal organs. It is thought that such changes in the RBCs may contribute to the microangiopathy/microthrombosis associated with COVID-19 and may result in impaired capillary blood flow and tissue oxygenation.
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Affiliation(s)
- Friedrich Jung
- Institute of Biotechnology, Molecular Cell Biology, Brandenburg University of Technology Cottbus-Senftenberg, 01968 Senftenberg, Germany
| | - Philippe Connes
- Laboratory LIBM EA7424, Team “Vascular Biology and Red Blood Cell”, University of Lyon I, 69500 Lyon, France;
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Rother D, Gehron J, Brenck F, Hudel H, Böning A, Wenzel F. Influence of Covid-19 disease on hemostasis dynamics during extracorporeal membrane oxygenation (ECMO)1. Clin Hemorheol Microcirc 2024; 87:1-11. [PMID: 36502313 DOI: 10.3233/ch-229105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION COVID-19 causes a considerable degradation of pulmonary function to the point of an acute respiratory distress syndrome (ARDS). Over the course of the disease the gas exchange capability of the lung can get impaired to such an extent that extracorporeal membrane oxygenation (ECMO) is needed as a life-saving intervention. In patients COVID-19 as well as ECMO may cause severe coagulopathies which manifest themselves in micro and macro thrombosis. Previous studies established D-dimers as a marker for critical thrombosis of the ECMO system while on admission increased D-dimers are associated with a higher mortality in COIVD-19 patients. It is therefore crucial to determine if COVID-19 poses an increased risk of early thrombosis of the vital ECMO system. METHODS 40 patients who required ECMO support were enrolled in a retrospective analysis and assigned into 2 groups. The COVID group consist of 20 COVID-19 patients who required ECMO support (n = 20), whereas 20 ECMO patients without COVID-19 were assigned to the control group. D-dimers, fibrinogen, antithrombin III (AT III), lactate dehydrogenase (LDH) and platelet count were analysed using locally weighted scatterplot smoothing and MANOVAs. RESULTS The analysis of both groups shows highly significant differences in the dynamics of hemostasis. The increase in D-dimers that is associated with thrombosis of the ECMO systems occurs in COVID-19 patients around 2 days earlier (p = 2,8115 10-11) while fibrinogen is consumed steadily. In the control group fibrinogen levels increase rapidly after ten days with a plateau phase of around five days (p = 1,407 10-3) . Both groups experience a rapid increase in AT III after start of support by ECMO (p = 5,96 10-15). In the COVID group platelet count decreased from 210 giga/l to 130 giga/l within eight days, while in the same time span in the control group platelets decreased from 180 giga/l to 105 giga/l (p = 1,1 10-15). In both groups a marked increase in LDH beyond 5000 U/l occurs (p = 3,0865 10-15). CONCLUSION The early increase in D-dimers and decrease in fibrinogen suggests that COVID-19 patients bear an increased risk of early thrombosis of the ECMO system compared to other diseases treated with ECMO. Additionally, the control group shows signs of severe inflammation 10 days after the start of ECMO which were absent in COVID-19 patients.
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Affiliation(s)
- D Rother
- Universitätsklinikum Gießen und Marburg GmbH, Klinik für Herz-, Kinderherz- und Gefäßchirurgie, Gießen, Germany
- Medical and Life Sciences, Hochschule Furtwangen, Villingen-Schwenningen, Germany
| | - J Gehron
- Universitätsklinikum Gießen und Marburg GmbH, Klinik für Herz-, Kinderherz- und Gefäßchirurgie, Gießen, Germany
- Justus-Liebig-Unviersität Gießen, Gießen, Germany
| | - F Brenck
- Universitätsklinikum Gießen und Marburg GmbH, Klinik für Herz-, Kinderherz- und Gefäßchirurgie, Gießen, Germany
| | - H Hudel
- Justus-Liebig-Unviersität Gießen, Gießen, Germany
| | - A Böning
- Universitätsklinikum Gießen und Marburg GmbH, Klinik für Herz-, Kinderherz- und Gefäßchirurgie, Gießen, Germany
- Justus-Liebig-Unviersität Gießen, Gießen, Germany
| | - F Wenzel
- Medical and Life Sciences, Hochschule Furtwangen, Villingen-Schwenningen, Germany
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Erkens R, Duse D, Wernly B, Flaatten H, Fjølner J, Bruno RR, Wolff G, Artigas A, Kelm M, Beil M, Sviri S, Schaller SJ, Fuest K, Szczeklik W, Piayda K, Elhadi M, Joannidis M, Nedergaard HK, Oeyen S, Moreno R, Leaver S, de Lange DW, Guidet B, Jung C. Associations of anemia and blood transfusions with mortality in old, critically ill COVID-19 patients - Results from the prospective COVIP Study. Clin Hemorheol Microcirc 2023; 84:309-320. [PMID: 37248892 DOI: 10.3233/ch-231790] [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] [Indexed: 05/31/2023]
Abstract
AIMS Anemia is common in the old and often observed in critically ill patients. Increased age is associated with higher mortality following a COVID-19 infection, making old patients prone to poor outcomes. We investigated whether anemia at admission to the ICU or the need for blood transfusion was associated with 90-day mortality in older, critically ill COVID-19 patients. METHODS In this prospective multicenter study, the 90-day mortality of COVID-19 patients≥70 years treated in 138 intensive care units (ICU) was analyzed. Associations between anemia (WHO definition) at admission and discharge from ICU and the use of red blood cell (RBC) transfusions with mortality were assessed. Hemoglobin thresholds of RBC transfusions in old, critically ill COVID-19 patients were recorded. RESULTS In 493 patients (350 anemic, 143 non-anemic), anemia (WHO definition) at the time of ICU admission was not associated with impaired overall survival. Transfusion and severe anemia (hemoglobin≤10 g/dL) at ICU discharge were independently associated with a higher risk of 90-day mortality. CONCLUSION The need for red blood cell transfusions and severe anemia at ICU discharge, but not at the timepoint of admission, were independently associated with 90-day mortality in critically-ill old COVID-19 patients.
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Affiliation(s)
- Ralf Erkens
- Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - Dragos Duse
- Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - Bernhard Wernly
- Department of Cardiology, Paracelsus Medical University, Salzburg, Austria
| | - Hans Flaatten
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - Jesper Fjølner
- Department of Intensive Care, Aarhus University Hospital, Aarhus, Denmark
| | - Raphael Romano Bruno
- Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - Georg Wolff
- Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - Antonio Artigas
- Department of Intensive Care Medicine, Parc Tauli Hospital Universitari, Institut d'Investigació I Innovacio Par tauli (I3PT-CERCA), CIBER Enfermedades Respiratorias, Autonomous University of Barcelona, Barcelona, Spain
| | - Malte Kelm
- Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
- CARID (Cardiovascular Research Institute Düsseldorf), Düsseldorf, Germany
| | - Michael Beil
- Department of Medical Intensive Care, Hadassah University Medical Center and Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Sigal Sviri
- Department of Medical Intensive Care, Hadassah University Medical Center and Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Stefan J Schaller
- Department of Anesthesiology and Operative Intensive Care Medicine (CVK, CCM), Charitè-Universitätsmedizin Berlin, Freie Universiätt Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Kristina Fuest
- Klinikum Rechts der Isar, Department of Anaesthesiology & Intensive Care Medicine, School of Medicine, Technical University Munich, Munich, Germany
| | - Wojciech Szczeklik
- Center for Intensive Care and Perioperative Medicine, Jagiellonian University Medical College, Krakow, Poland
| | - Kerstin Piayda
- Department of Cardiology and Angiology, Universitätsklinikum Gießen und Marburg, Gießen, Germany
| | | | - Michael Joannidis
- Division of Intensive Care and Emergency Medicine, Department of Internal Medicine, Medical University Innsbruck, Innsbruck, Austria
| | - Helene Korvenius Nedergaard
- Department of Anesthesiology and Intensive Care, University Hospital of Southern Denmark, Kolding, and Department of Regional Health Research, University of Southern Denmark, Odense, Denmark
| | - Sandra Oeyen
- Department of Intensive Care 1K12IC, Ghent University Hospital, Ghent, Belgium
| | - Rui Moreno
- Unidade de Cuidados Intensivos Neurocríticos e Trauma, Hospital de São José, Centro Hospitalar Universitério de Lisboa Central, Faculdade de Ciências Médicas de Lisboa, Nova Médical School, Lisbon, Portugal
| | - Susannah Leaver
- General Intensive Care, St George's University Hospitals NHS Foundation Trust, London, UK
| | - Dylan W de Lange
- Department of Intensive Care Medicine, University Medical Center, University Utrecht, Utrecht, The Netherlands
| | - Bertrand Guidet
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, UMR_S 1136, Institut Pierre Louis d'Epidémiologie et de Santé Publique, Equipe: Épidémiologie Hospitalière Qualité et Organisation des Soins, Paris, France
- Assistance Publique -Hôpitaux de Paris, Hôpital Saint-Antoine, Service de Réanimation Médicale,, Paris, France
| | - Christian Jung
- Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
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