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Braï MA, Hannachi N, El Gueddari N, Baudoin JP, Dahmani A, Lepidi H, Habib G, Camoin-Jau L. The Role of Platelets in Infective Endocarditis. Int J Mol Sci 2023; 24:ijms24087540. [PMID: 37108707 PMCID: PMC10143005 DOI: 10.3390/ijms24087540] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 04/02/2023] [Accepted: 04/15/2023] [Indexed: 04/29/2023] Open
Abstract
Over the last decade, the incidence of infective endocarditis (IE) has increased, with a change in the frequency of causative bacteria. Early evidence has substantially demonstrated the crucial role of bacterial interaction with human platelets, with no clear mechanistic characterization in the pathogenesis of IE. The pathogenesis of endocarditis is so complex and atypical that it is still unclear how and why certain bacterial species will induce the formation of vegetation. In this review, we will analyze the key role of platelets in the physiopathology of endocarditis and in the formation of vegetation, depending on the bacterial species. We provide a comprehensive outline of the involvement of platelets in the host immune response, investigate the latest developments in platelet therapy, and discuss prospective research avenues for solving the mechanistic enigma of bacteria-platelet interaction for preventive and curative medicine.
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Affiliation(s)
- Mustapha Abdeljalil Braï
- IRD, APHM, MEPHI, IHU Méditerranée Infection, Aix Marseille University, 19-21 Boulevard Jean Moulin, 13005 Marseille, France
- IHU Méditerranée Infection, Boulevard Jean Moulin, 13385 Marseille, France
| | - Nadji Hannachi
- Laboratoire de Biopharmacie et Pharmacotechnie, Faculté de Médecine, Université Ferhat Abbas Sétif I, Sétif 19000, Algeria
| | - Nabila El Gueddari
- IRD, APHM, MEPHI, IHU Méditerranée Infection, Aix Marseille University, 19-21 Boulevard Jean Moulin, 13005 Marseille, France
- Service de Chirurgie Cardiaque, Hôpital de la Timone, APHM, Boulevard Jean-Moulin, 13385 Marseille, France
| | - Jean-Pierre Baudoin
- IRD, APHM, MEPHI, IHU Méditerranée Infection, Aix Marseille University, 19-21 Boulevard Jean Moulin, 13005 Marseille, France
- IHU Méditerranée Infection, Boulevard Jean Moulin, 13385 Marseille, France
| | - Abderrhamane Dahmani
- IRD, APHM, MEPHI, IHU Méditerranée Infection, Aix Marseille University, 19-21 Boulevard Jean Moulin, 13005 Marseille, France
- IHU Méditerranée Infection, Boulevard Jean Moulin, 13385 Marseille, France
| | - Hubert Lepidi
- IRD, APHM, MEPHI, IHU Méditerranée Infection, Aix Marseille University, 19-21 Boulevard Jean Moulin, 13005 Marseille, France
- Service d'Anatomo-Pathologie, Hôpital de la Timone, APHM, Boulevard Jean-Moulin, 13385 Marseille, France
| | - Gilbert Habib
- IRD, APHM, MEPHI, IHU Méditerranée Infection, Aix Marseille University, 19-21 Boulevard Jean Moulin, 13005 Marseille, France
- Service de Cardiologie, Hôpital de la Timone, APHM, Boulevard Jean-Moulin, 13385 Marseille, France
| | - Laurence Camoin-Jau
- IRD, APHM, MEPHI, IHU Méditerranée Infection, Aix Marseille University, 19-21 Boulevard Jean Moulin, 13005 Marseille, France
- Laboratoire d'Hématologie, Hôpital de la Timone, APHM, Boulevard Jean-Moulin, 13385 Marseille, France
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Abstract
The management of infective endocarditis is complex and inherently requires multidisciplinary cooperation. About half of all patients diagnosed with infective endocarditis will meet the criteria to undergo cardiac surgery, which regularly takes place in urgent or emergency settings. The pathophysiology and clinical presentation of infective endocarditis make it a unique disorder within cardiac surgery that warrants a thorough understanding of specific characteristics in the perioperative period. This includes, among others, echocardiography, coagulation, bleeding management, or treatment of organ dysfunction. In this narrative review article, the authors summarize the current knowledge on infective endocarditis relevant for the clinical anesthesiologist in perioperative management of respective patients. Furthermore, the authors advocate for the anesthesiologist to become a structural member of the endocarditis team.
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El Said AM, Fayed AM, El-Reweny EM. Comparative study between complete blood picture indices and presepsin as early prognostic markers in septic shock patients. EGYPTIAN JOURNAL OF ANAESTHESIA 2020. [DOI: 10.1080/11101849.2020.1789403] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Ahmed M. El Said
- Department of Critical Care Medicine, Alexandria Armed Forces Hospital, Alexandria, Egypt
| | - Akram M. Fayed
- Department of Critical Care Medicine, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Ehab M. El-Reweny
- Department of Critical Care Medicine, Faculty of Medicine, Alexandria University, Alexandria, Egypt
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Selton-Suty C, Maigrat CH, Devignes J, Goehringer F, Erpelding ML, Alla F, Thivilier C, Huttin O, Venner C, Juilliere Y, Doco-Lecompte T, Lecompte T. Possible relationship between antiphospholipid antibodies and embolic events in infective endocarditis. Heart 2018; 104:509-516. [PMID: 29305562 DOI: 10.1136/heartjnl-2017-312359] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 11/20/2017] [Accepted: 11/21/2017] [Indexed: 02/01/2023] Open
Abstract
OBJECTIVE Antiphospholipid (aPL) antibodies may activate platelets and contribute to vegetation growth and embolisation in infective endocarditis (IE). We aimed to determine the value of aPL as predictors of embolic events (EE) in IE. METHODS We studied 186 patients with definite IE (Duke-Li criteria, all types of IE) from the Nanc-IE prospective registry (2007-2012) who all had a frozen blood sample and at least one imaging procedure to detect asymptomatic or confirm symptomatic EE. Anticardiolipin (aCL) and anti-β2-glycoprotein I (β2GPI) antibodies (IgG and IgM) were assessed after the end of patients' inclusion. The relationship between antibodies and the detection of EE after IE diagnosis were studied with Kaplan-Meier and Cox multivariate analyses. RESULTS At least one EE was detected in 118 (63%) patients (52 cerebral, 95 other locations) after IE diagnosis in 80 (time interval between IE and EE diagnosis: 5.9±11.3 days). At least one aPL antibody was found in 31 patients (17%).Detection of EE over time after IE diagnosis was more frequent among patients with anti-β2GPI IgM (log-rank P=0.0036) and that of cerebral embolisms, among patients with aCL IgM and anti-β2GPI IgM (log-rank P=0.002 and P<0.0001, respectively).Factors predictive of EE were anti-β2GPI IgM (HR=3.45 (1.47-8.08), P=0.0045), creatinine (2.74 (1.55-4.84), P=0.0005) and vegetation size (2.41 (1.41-4.12), P=0.0014). Those of cerebral embolism were aCL IgM (2.84 (1.22-6.62), P=0.016) and anti-β2GPI IgM (4.77 (1.79-12.74), P=0.0018). CONCLUSION The presence of aCL and anti-β2GPI IgM was associated with EE, particularly cerebral ones, and could contribute to assess the embolic risk of IE.
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Affiliation(s)
| | | | - Jean Devignes
- Hematology Laboratory, University Hospital of Nancy, Nancy, France
| | - François Goehringer
- Department of Infectious Diseases, University Hospital of Nancy, Nancy, France
| | - Marie-Line Erpelding
- Clinical Epidemiology, INSERM, University Hospital of Nancy, Lorraine University, Nancy, France
| | - François Alla
- Clinical Epidemiology, INSERM, University Hospital of Nancy, Lorraine University, Nancy, France
| | - Carine Thivilier
- Department of Intensive Care Unit, University Hospital of Nancy, Nancy, France
| | - Olivier Huttin
- Department of Cardiology, University Hospital of Nancy, Nancy, France
| | - Clément Venner
- Department of Cardiology, University Hospital of Nancy, Nancy, France
| | - Yves Juilliere
- Department of Cardiology, University Hospital of Nancy, Nancy, France
| | - Thanh Doco-Lecompte
- Division of Infectious Diseases, Department of Medical Specialties, University Hospital of Geneva, Geneva, Switzerland
| | - Thomas Lecompte
- Faculty of Medicine, Geneva Platelet Group, University of Geneva, Geneva, Switzerland.,Division of Angiology and Haemostasis, Geneva University Hospitals, Geneva, Switzerland
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Inherited Variation in Cytokine, Acute Phase Response, and Calcium Metabolism Genes Affects Susceptibility to Infective Endocarditis. Mediators Inflamm 2017; 2017:7962546. [PMID: 28659664 PMCID: PMC5474236 DOI: 10.1155/2017/7962546] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Revised: 03/26/2017] [Accepted: 04/19/2017] [Indexed: 12/20/2022] Open
Abstract
Infective endocarditis (IE) is a septic inflammation of the endocardium. Recognition of microbial patterns, cytokine and acute phase responses, hemostasis features, and alterations in plasma lipid and calcium profile all have been reported to affect pathogenesis and clinical course of IE. Having recruited 123 patients with IE and 300 age-, sex-, and ethnicity-matched healthy blood donors, we profiled their genomic DNA for 35 functionally significant polymorphisms within the 22 selected genes involved in the abovementioned pathways, with the further genetic association analysis. We found that the G/A genotype of the rs1143634 polymorphism within the IL1B gene, the G/T genotype of the rs3212227 polymorphism within the IL12B gene, the A/G genotype of the rs1130864 polymorphism within the CRP gene, and the G allele of the rs1801197 polymorphism within the CALCR gene were associated with a decreased risk of IE whereas the T/T genotype of the rs1205 polymorphism within the CRP gene was associated with a higher risk of IE. Furthermore, heterozygous genotypes of the rs1143634 and rs3212227 polymorphisms were associated with the higher plasma levels of IL-1β and IL-12, respectively. Our results indicate that inherited variation in the cytokine, acute phase response, and calcium metabolism pathways may be linked to IE.
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Sadowska B, Micota B, Różalski M, Redzynia M, Różalski M. The immunomodulatory potential of Leonurus cardiaca extract in relation to endothelial cells and platelets. Innate Immun 2017; 23:285-295. [DOI: 10.1177/1753425917691116] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The immunomodulatory activity of Leonurus cardiaca L. polyphenol-rich extract (LCE) was tested in vitro on HUVECs to explore its potential therapeutic usefulness in the treatment of inflammatory lesions. The phytochemical composition of LCE, its antioxidant and cytotoxic activity, and the influence of LCE on NO and platelet-activating factor (PAF) secretion by HUVECs and platelet aggregation were all assessed. Total polyphenol contents in LCE reached 137.0 ± 0.8 mg/g, with hydroxycinnamic acid derivatives as the predominant phenolic compounds. LCE expressed antioxidant capacity, which was, however, 13- to 16-fold lower than the antioxidant activity of ascorbic acid. The plant extract was not cytotoxic up to a concentration 4500 µg/ml and did not exhibit proapoptotic activity. LCE significantly increased NO production in HUVECs in a concentration-dependent manner and led to the inhibition of PAF secretion induced by staphylococcal peptidoglycan. The extract used at the concentration of 100 µg/ml significantly reduced platelet aggregation in the presence of arachidonic acid. We provide in vitro data demonstrating the immunomodulatory potential of LCE, which may be beneficial in preventing the development of difficult-to-treat inflammatory lesions within chronically infected tissues.
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Affiliation(s)
- Beata Sadowska
- Department of Immunology and Infectious Biology, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Bartłomiej Micota
- Department of Immunology and Infectious Biology, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Marek Różalski
- Department of Pharmaceutical Biochemistry, Medical University of Lodz, Lodz, Poland
| | - Małgorzata Redzynia
- Department of Biotechnology and Food Sciences, Institute of Technical Biochemistry, Lodz Technical University, Lodz, Poland
| | - Marcin Różalski
- Department of Haemostatic Disorders, Medical University of Lodz, Lodz, Poland
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