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Berlot G, Tomasini A, Zanchi S, Moro E. The Techniques of Blood Purification in the Treatment of Sepsis and Other Hyperinflammatory Conditions. J Clin Med 2023; 12:jcm12051723. [PMID: 36902510 PMCID: PMC10002609 DOI: 10.3390/jcm12051723] [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: 01/10/2023] [Revised: 02/16/2023] [Accepted: 02/16/2023] [Indexed: 02/24/2023] Open
Abstract
Even in the absence of strong indications deriving from clinical studies, the removal of mediators is increasingly used in septic shock and in other clinical conditions characterized by a hyperinflammatory response. Despite the different underlying mechanisms of action, they are collectively indicated as blood purification techniques. Their main categories include blood- and plasma processing procedures, which can run in a stand-alone mode or, more commonly, in association with a renal replacement treatment. The different techniques and principles of function, the clinical evidence derived from multiple clinical investigations, and the possible side effects are reviewed and discussed along with the persisting uncertainties about their precise role in the therapeutic armamentarium of these syndromes.
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Affiliation(s)
- Giorgio Berlot
- Department of Anesthesia and Intensive Care, Azienda Sanitaria Universitaria Giuliano Isontina, 34148 Trieste, Italy
- UCO Anestesia Rianimazione e Terapia Antalgica, Azienda Sanitaria Universitaria Giuliano Isontina, Strada di Fiume 447, 34149 Trieste, Italy
- Correspondence: ; Tel.: +039-04039904540; Fax: +039-040912278
| | - Ariella Tomasini
- Department of Anesthesia and Intensive Care, Azienda Sanitaria Universitaria Giuliano Isontina, 34148 Trieste, Italy
| | - Silvia Zanchi
- Department of Anesthesia and Intensive Care, Azienda Sanitaria Universitaria Giuliano Isontina, 34148 Trieste, Italy
| | - Edoardo Moro
- Department of Anesthesia and Intensive Care, Azienda Sanitaria Universitaria Giuliano Isontina, 34148 Trieste, Italy
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Zhang L, Lu J, Wu Z. Auricular Vagus Nerve Stimulation Attenuates Lipopolysaccharide-Induced Acute Lung Injury by Inhibiting Neutrophil Infiltration and Neutrophil Extracellular Traps Formation. Shock 2022; 57:427-434. [PMID: 34482317 DOI: 10.1097/shk.0000000000001855] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACT Vagus nerve stimulation has been shown to exert anti-inflammation activities in sepsis. However, surgical implantation of stimulation devices is performed under general anesthesia, which limits its clinical application. Auricular vagus nerve stimulation (AVNS) is a minimal invasive technique that delivers electrical currents to the auricular branch of the vagus nerve. The purpose of this study was to determine the effects of AVNS on systemic inflammation, lung injury, neutrophil infiltration, and neutrophil extracellular traps (NETs) formation in the lung. In a LPS challenge lung-injury mice model, AVNS was applied to bilateral ears. Twelve hours after LPS administration, samples of blood, bronchoalveolar lavage fluid (BALF), and lung tissues were processed for investigations. We found that the treatment with AVNS significantly attenuated histopathological changes and neutrophil infiltration in the lung tissue, inhibited inflammatory cytokine elevations in serum and BALF, and decreased protein concentrations in BALF. Besides, AVNS decreased leukocyte and neutrophil accounts in BALF. Furthermore, colocalization of citrullination of histone H3 and myeloperoxidase expressions (highly specific marker of NETs) was reduced in AVNS mice. In conclusion, AVNS reduced systemic inflammation, attenuated lung edema, and inhibited neutrophil infiltration and NETs formation in the lung in LPS mice.
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Affiliation(s)
- Luyao Zhang
- Department of Pathology, School of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jun Lu
- Department of Intensive Care Unit, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, China
| | - Zhiyang Wu
- Department of Critical Care Medicine, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao, Shandong, China
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Davenport A, Honore PM. Continuous renal replacement therapy under special conditions like sepsis, burn, cardiac failure, neurotrauma, and liver failure. Semin Dial 2021; 34:457-471. [PMID: 34448261 DOI: 10.1111/sdi.13002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 04/25/2021] [Accepted: 05/01/2021] [Indexed: 12/19/2022]
Abstract
Continuous renal replacement therapy (CRRT) in sepsis does have a role in removing excessive fluid, and also role in removal of mediators although not proven today, and to allow fluid space in order to feed. In these conditions, continuous renal replacement therapy can improve morbidity but never mortality so far. Regarding sepsis, timing has become a more important issue after decades and is currently more discussed than dosing. Rationale of blood purification has evolved a lot in the last years regarding sepsis with the discovery of many types of sorbent allowing ideas from science fiction to become reality in 2021. Undoubtedly, COVID-19 has reactivated the interest of blood purification in sepsis but also in COVID-19. Burn is even more dependent about removal of excessive fluid as compared to sepsis. Regarding cardiac failure, ultrafiltration can improve the quality of life and morbidity when diuretics are becoming inefficient but can never improve mortality. Regarding brain injury, CRRTs have several advantages as compared to intermittent hemodialysis. In liver failure, there have been no randomized controlled trials to examine whether single-pass albumin dialysis offers advantages over standard supportive care, and there is always the cost of albumin.
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Affiliation(s)
| | - Patrick M Honore
- ICU Department, Centre Hospitalier Universitaire Brugmann-Brugmann University Hospital, ULB University, Brussels, Belgium
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Moriyama K, Nishida O. Targeting Cytokines, Pathogen-Associated Molecular Patterns, and Damage-Associated Molecular Patterns in Sepsis via Blood Purification. Int J Mol Sci 2021; 22:8882. [PMID: 34445610 PMCID: PMC8396222 DOI: 10.3390/ijms22168882] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/16/2021] [Accepted: 08/17/2021] [Indexed: 01/14/2023] Open
Abstract
Sepsis is characterized by a dysregulated immune response to infections that causes life-threatening organ dysfunction and even death. When infections occur, bacterial cell wall components (endotoxin or lipopolysaccharide), known as pathogen-associated molecular patterns, bind to pattern recognition receptors, such as toll-like receptors, to initiate an inflammatory response for pathogen elimination. However, strong activation of the immune system leads to cellular dysfunction and ultimately organ failure. Damage-associated molecular patterns (DAMPs), which are released by injured host cells, are well-recognized triggers that result in the elevation of inflammatory cytokine levels. A cytokine storm is thus amplified and sustained in this vicious cycle. Interestingly, during sepsis, neutrophils transition from powerful antimicrobial protectors into dangerous mediators of tissue injury and organ dysfunction. Thus, the concept of blood purification has evolved to include inflammatory cells and mediators. In this review, we summarize recent advances in knowledge regarding the role of lipopolysaccharides, cytokines, DAMPs, and neutrophils in the pathogenesis of sepsis. Additionally, we discuss the potential of blood purification, especially the adsorption technology, for removing immune cells and molecular mediators, thereby serving as a therapeutic strategy against sepsis. Finally, we describe the concept of our immune-modulating blood purification system.
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Affiliation(s)
- Kazuhiro Moriyama
- Laboratory for Immune Response and Regulatory Medicine, Fujita Health University School of Medicine, Toyoake 470-1192, Japan
| | - Osamu Nishida
- Department of Anesthesiology and Critical Care Medicine, Fujita Health University School of Medicine, Toyoake 470-1192, Japan;
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Zhang L, Feng Y, Fu P. Blood purification for sepsis: an overview. PRECISION CLINICAL MEDICINE 2021; 4:45-55. [PMID: 35693122 PMCID: PMC8982546 DOI: 10.1093/pcmedi/pbab005] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/09/2021] [Accepted: 02/17/2021] [Indexed: 02/05/2023] Open
Abstract
Sepsis is a life-threatening organ failure exacerbated by a maladaptive infection response from the host, and is one of the major causes of mortality in the intensive care unit. In recent decades, several extracorporeal blood purification techniques have been developed to manage sepsis by acting on both the infectious agents themselves and the host immune response. This research aims to summarize recent progress on extracorporeal blood purification technologies applied for sepsis, discuss unanswered questions on renal replacement therapy for septic patients, and present a decision-making strategy for practitioners.
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Affiliation(s)
- Ling Zhang
- Division of Nephrology, Kidney Research Institute, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Yuying Feng
- Division of Nephrology, Kidney Research Institute, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Ping Fu
- Division of Nephrology, Kidney Research Institute, West China Hospital of Sichuan University, Chengdu 610041, China
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Abstract
Sepsis is the primary cause of acute kidney injury in critically ill patients. During the past decades, several extracorporeal blood purification techniques have been developed for sepsis and sepsis-induced acute kidney injury management. These therapies could act on both the infectious agent itself and the host immune response. In this article, we review the available literature discussing the different extracorporeal blood purification techniques, including high-volume hemofiltration, cascade hemofiltration, hemoperfusion, coupled plasma filtration adsorption, plasma exchange, and specific optimized renal replacement therapy membranes.
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Affiliation(s)
- Thibaut Girardot
- Anesthesiology and Intensive Care Medicine, Edouard Herriot Hospital, Lyon, France; EA 7426 PI3 (Pathophysiology of Injury‑Induced Immunosuppression), Claude Bernard University Lyon 1, Biomérieux, Hospices Civils de Lyon, Lyon, France.
| | - Antoine Schneider
- Intensive Care Medicine, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Thomas Rimmelé
- Anesthesiology and Intensive Care Medicine, Edouard Herriot Hospital, Lyon, France; EA 7426 PI3 (Pathophysiology of Injury‑Induced Immunosuppression), Claude Bernard University Lyon 1, Biomérieux, Hospices Civils de Lyon, Lyon, France
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Deng B, Lin Y, Chen Y, Ma S, Cai Q, Wang W, Li B, Liu T, Zhou P, He R, Ding F. Plasmacytoid dendritic cells promote acute kidney injury by producing interferon-α. Cell Mol Immunol 2020; 18:219-229. [PMID: 31900458 DOI: 10.1038/s41423-019-0343-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Accepted: 12/01/2019] [Indexed: 02/06/2023] Open
Abstract
Acute kidney injury (AKI) is a common clinical complication associated with high mortality in patients. Immune cells and cytokines have recently been described to play essential roles in AKI pathogenesis. Plasmacytoid dendritic cells (pDCs) are a unique DC subset that specializes in type I interferon (IFN) production. Here, we showed that pDCs rapidly infiltrated the kidney in response to AKI and contributed to kidney damage by producing IFN-α. Deletion of pDCs using DTRBDCA2 transgenic (Tg) mice suppressed cisplatin-induced AKI, accompanied by marked reductions in proinflammatory cytokine production, immune cell infiltration and apoptosis in the kidney. In contrast, adoptive transfer of pDCs during AKI exacerbated kidney damage. We further identified IFN-α as the key factor that mediated the functions of pDCs during AKI, as IFN-α neutralization significantly attenuated kidney injury. Furthermore, IFN-α produced by pDCs directly induced the apoptosis of renal tubular epithelial cells (TECs) in vitro. In addition, our data demonstrated that apoptotic TECs induced the activation of pDCs, which was inhibited in the presence of an apoptosis inhibitor. Furthermore, similar deleterious effects of pDCs were observed in an ischemia reperfusion (IR)-induced AKI model. Clinically, increased expression of IFN-α in kidney biopsies was observed in kidney transplants with AKI. Taken together, the results of our study reveal that pDCs play a detrimental role in AKI via IFN-α.
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Affiliation(s)
- Bo Deng
- Division of Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiaotong University, 200011, Shanghai, China
| | - Yuli Lin
- Department of Immunology and Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, 200032, Shanghai, China.,Institutes of Integrative Medicine, Fudan University, 200032, Shanghai, China
| | - Yusheng Chen
- Department of Gastrointestinal Surgery, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, 200120, Shanghai, China
| | - Shuai Ma
- Division of Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiaotong University, 200011, Shanghai, China
| | - Qian Cai
- Department of Immunology and Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, 200032, Shanghai, China
| | - Wenji Wang
- Division of Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiaotong University, 200011, Shanghai, China
| | - Bingji Li
- Department of Immunology and Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, 200032, Shanghai, China
| | - Tingyan Liu
- Division of Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiaotong University, 200011, Shanghai, China
| | - Peihui Zhou
- Division of Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiaotong University, 200011, Shanghai, China
| | - Rui He
- Department of Immunology and Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, 200032, Shanghai, China.
| | - Feng Ding
- Division of Nephrology, Shanghai Ninth People's Hospital, School of Medicine, Shanghai Jiaotong University, 200011, Shanghai, China.
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