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Khlusov IA, Grenadyorov AS, Solovyev AA, Semenov VA, Zhulkov MO, Sirota DA, Chernyavskiy AM, Poveshchenko OV, Surovtseva MA, Kim II, Bondarenko NA, Semin VO. Endothelial Cell Behavior and Nitric Oxide Production on a-C:H:SiOx-Coated Ti-6Al-4V Substrate. Int J Mol Sci 2023; 24:ijms24076675. [PMID: 37047649 PMCID: PMC10095527 DOI: 10.3390/ijms24076675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 03/31/2023] [Accepted: 04/02/2023] [Indexed: 04/07/2023] Open
Abstract
This paper focuses on the surface modification of the Ti-6Al-4V alloy substrate via a-C:H:SiOx coating deposition. Research results concern the a-C:H:SiOx coating structure, investigated using transmission electron microscopy and in vitro endothelization to study the coating. Based on the analysis of the atomic radial distribution function, a model is proposed for the atomic short-range order structure of the a-C:H:SiOx coating, and chemical bonds (C–O, C–C, Si–C, Si–O, and Si–Si) are identified. It is shown that the a-C:H:SiOx coating does not possess prolonged cytotoxicity in relation to EA.hy926 endothelial cells. In vitro investigations showed that the adhesion, cell number, and nitric oxide production by EA.hy926 endothelial cells on the a-C:H:SiOx-coated Ti-6Al-4V substrate are significantly lower than those on the uncoated surface. The findings suggest that the a-C:H:SiOx coating can reduce the risk of endothelial cell hyperproliferation on implants and medical devices, including mechanical prosthetic heart valves, endovascular stents, and mechanical circulatory support devices.
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Affiliation(s)
- Igor A. Khlusov
- Laboratory of Cellular and Microfluidic Technologies, Siberian State Medical University, 2, Moskovskii Tract, 634050 Tomsk, Russia
| | | | - Andrey A. Solovyev
- The Institute of High Current Electronics SB RAS, 2/3, Akademichesky Ave., 634055 Tomsk, Russia
| | - Vyacheslav A. Semenov
- The Institute of High Current Electronics SB RAS, 2/3, Akademichesky Ave., 634055 Tomsk, Russia
| | - Maksim O. Zhulkov
- E.N. Meshalkin National Medical Research Center of Ministry of Health of Russian Federation, 15, Rechkunovskaya Str., 630055 Novosibirsk, Russia
| | - Dmitry A. Sirota
- E.N. Meshalkin National Medical Research Center of Ministry of Health of Russian Federation, 15, Rechkunovskaya Str., 630055 Novosibirsk, Russia
| | - Aleksander M. Chernyavskiy
- E.N. Meshalkin National Medical Research Center of Ministry of Health of Russian Federation, 15, Rechkunovskaya Str., 630055 Novosibirsk, Russia
| | - Olga V. Poveshchenko
- E.N. Meshalkin National Medical Research Center of Ministry of Health of Russian Federation, 15, Rechkunovskaya Str., 630055 Novosibirsk, Russia
- Research Institute of Clinical and Experimental Lymphology, Branch of Institute of Cytology and Genetics SB RAS, 2, Timakov Str., 630060 Novosibirsk, Russia
| | - Maria A. Surovtseva
- E.N. Meshalkin National Medical Research Center of Ministry of Health of Russian Federation, 15, Rechkunovskaya Str., 630055 Novosibirsk, Russia
- Research Institute of Clinical and Experimental Lymphology, Branch of Institute of Cytology and Genetics SB RAS, 2, Timakov Str., 630060 Novosibirsk, Russia
| | - Irina I. Kim
- E.N. Meshalkin National Medical Research Center of Ministry of Health of Russian Federation, 15, Rechkunovskaya Str., 630055 Novosibirsk, Russia
- Research Institute of Clinical and Experimental Lymphology, Branch of Institute of Cytology and Genetics SB RAS, 2, Timakov Str., 630060 Novosibirsk, Russia
| | - Natalya A. Bondarenko
- E.N. Meshalkin National Medical Research Center of Ministry of Health of Russian Federation, 15, Rechkunovskaya Str., 630055 Novosibirsk, Russia
- Research Institute of Clinical and Experimental Lymphology, Branch of Institute of Cytology and Genetics SB RAS, 2, Timakov Str., 630060 Novosibirsk, Russia
| | - Viktor O. Semin
- Institute of Strength Physics and Materials Science SB RAS, 2/4, Akademichesky Ave., 634055 Tomsk, Russia
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Elangovan G, Mello-Neto JM, Tadakamadla SK, Reher P, Figueredo CMS. A systematic review on neutrophils interactions with titanium and zirconia surfaces: Evidence from in vitro studies. Clin Exp Dent Res 2022; 8:950-958. [PMID: 35535662 PMCID: PMC9382042 DOI: 10.1002/cre2.582] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 04/05/2022] [Accepted: 04/19/2022] [Indexed: 01/04/2023] Open
Abstract
Objectives This systematic review aimed to assess in vitro studies that evaluated neutrophil interactions with different roughness levels in titanium and zirconia implant surfaces. Material and Methods An electronic search for literature was conducted on PubMed, Embase, Scopus, and Web of Science and a total of 14 studies were included. Neutrophil responses were assessed based on adhesion, cell number, surface coverage, cell structure, cytokine secretion, reactive oxygen species (ROS) production, neutrophil activation, receptor expression, and neutrophil extracellular traps (NETs) release. The method of assessing the risk of bias was done using the toxicological data reliability assessment tool (TOXRTOOL). Results Ten studies have identified a significant increase in neutrophil functions, such as surface coverage, cell adhesion, ROS production, and NETs released when interacting with rough titanium surfaces. Moreover, neutrophil interaction with rough–hydrophilic surfaces seems to produce less proinflammatory cytokines and ROS when compared to naive smooth and rough titanium surfaces. Regarding membrane receptor expression, two studies have reported that the FcγIII receptor (CD16) is responsible for initial neutrophil adhesion to hydrophilic titanium surfaces. Only one study compared neutrophil interaction with titanium alloy and zirconia toughened alumina surfaces and reported no significant differences in neutrophil cell count, activation, receptor expression, and death. Conclusions There are not enough studies to conclude neutrophil interactions with titanium and zirconia surfaces. However, different topographic modifications such as roughness and hydrophilicity might influence neutrophil interactions with titanium implant surfaces.
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Affiliation(s)
- Gayathiri Elangovan
- School of Medicine and Dentistry, Griffith University, Southport, Queensland, Australia
| | - Joao M Mello-Neto
- School of Medicine and Dentistry, Griffith University, Southport, Queensland, Australia
| | - Santosh K Tadakamadla
- School of Medicine and Dentistry, Griffith University, Southport, Queensland, Australia
| | - Peter Reher
- School of Medicine and Dentistry, Griffith University, Southport, Queensland, Australia
| | - Carlos Marcelo S Figueredo
- School of Medicine and Dentistry, Griffith University, Southport, Queensland, Australia.,Affiliated to research, Department of Dental Medicine, Karolinska Institutet, Solna, Sweden
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Sun W, Zhang J, Shah A, Arias K, Berk Z, Griffith BP, Wu ZJ. Neutrophil dysfunction due to continuous mechanical shear exposure in mechanically assisted circulation in vitro. Artif Organs 2022; 46:83-94. [PMID: 34516005 PMCID: PMC8688241 DOI: 10.1111/aor.14068] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 08/10/2021] [Accepted: 09/04/2021] [Indexed: 01/03/2023]
Abstract
OBJECTIVE Leukocytes play an important role in the body's immune system. The aim of this study was to assess alterations in neutrophil phenotype and function in pump-assisted circulation in vitro. METHODS Human blood was circulated for four hours in three circulatory flow loops with a CentriMag blood pump operated at a flow of 4.5 L/min at three rotational speeds (2100, 2800, and 4000 rpm), against three pressure heads (75, 150, and 350 mm Hg), respectively. Blood samples were collected hourly for analyses of neutrophil activation state (Mac-1, CD62L, CD162), neutrophil reactive oxygen species (ROS) production, apoptosis, and neutrophil phagocytosis. RESULTS Activated neutrophils indicated by both Mac-1 expression and decreased surface expression of CD62L and CD162 receptors increased with time in three loops. The highest level of neutrophil activation was observed in the loop with the highest rotational speed. Platelet-neutrophil aggregates (PNAs) progressively increased in two loops with lower rotational speeds. PNAs peaked at one hour after circulation and decreased subsequently in the loop with the highest rotational speed. Neutrophil ROS production dramatically increased at one hour after circulation and decreased subsequently in all three loops with similar levels and trends. Apoptotic neutrophils increased with time in all three loops. Neutrophil phagocytosis capacity in three loops initially elevated at one hour after circulation and decreased subsequently. Apoptosis and altered phagocytosis were dependent on rotational speed. CONCLUSIONS Our study revealed that the pump-assisted circulation induced neutrophil activation, apoptosis, and functional impairment. The alterations were strongly associated with pump operating condition and duration.
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Affiliation(s)
- Wenji Sun
- Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Jiafeng Zhang
- Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Aakash Shah
- Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Katherin Arias
- Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland, USA,Fischell Department of Bioengineering, A. James Clark School of Engineering, University of Maryland, College Park, Maryland, USA
| | - Zachary Berk
- Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Bartley P Griffith
- Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Zhongjun J Wu
- Department of Surgery, University of Maryland School of Medicine, Baltimore, Maryland, USA,Fischell Department of Bioengineering, A. James Clark School of Engineering, University of Maryland, College Park, Maryland, USA
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Jellyfish Collagen: A Biocompatible Collagen Source for 3D Scaffold Fabrication and Enhanced Chondrogenicity. Mar Drugs 2021; 19:md19080405. [PMID: 34436244 PMCID: PMC8400217 DOI: 10.3390/md19080405] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 07/11/2021] [Accepted: 07/13/2021] [Indexed: 02/03/2023] Open
Abstract
Osteoarthritis (OA) is a multifactorial disease leading to degeneration of articular cartilage, causing morbidity in approximately 8.5 million of the UK population. As the dense extracellular matrix of articular cartilage is primarily composed of collagen, cartilage repair strategies have exploited the biocompatibility and mechanical strength of bovine and porcine collagen to produce robust scaffolds for procedures such as matrix-induced chondrocyte implantation (MACI). However, mammalian sourced collagens pose safety risks such as bovine spongiform encephalopathy, transmissible spongiform encephalopathy and possible transmission of viral vectors. This study characterised a non-mammalian jellyfish (Rhizostoma pulmo) collagen as an alternative, safer source in scaffold production for clinical use. Jellyfish collagen demonstrated comparable scaffold structural properties and stability when compared to mammalian collagen. Jellyfish collagen also displayed comparable immunogenic responses (platelet and leukocyte activation/cell death) and cytokine release profile in comparison to mammalian collagen in vitro. Further histological analysis of jellyfish collagen revealed bovine chondroprogenitor cell invasion and proliferation in the scaffold structures, where the scaffold supported enhanced chondrogenesis in the presence of TGFβ1. This study highlights the potential of jellyfish collagen as a safe and biocompatible biomaterial for both OA repair and further regenerative medicine applications.
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Ammann KR, Hossainy SFA, Hossainy S, Slepian MJ. Hemocompatibility of polymers for use in vascular endoluminal implants. J Appl Polym Sci 2021. [DOI: 10.1002/app.51277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Kaitlyn R. Ammann
- Department of Medicine College of Medicine, University of Arizona Tucson Arizona USA
- Sarver Heart Center, Arizona Health Sciences Center University of Arizona Tucson Arizona USA
| | - Syed F. A. Hossainy
- Department of Bioengineering College of Engineering, University of California Berkeley Berkeley California USA
| | - Sahir Hossainy
- Sarver Heart Center, Arizona Health Sciences Center University of Arizona Tucson Arizona USA
| | - Marvin J. Slepian
- Department of Medicine College of Medicine, University of Arizona Tucson Arizona USA
- Sarver Heart Center, Arizona Health Sciences Center University of Arizona Tucson Arizona USA
- Department of Biomedical Engineering College of Engineering, University of Arizona Tucson Arizona USA
- Department of Materials Science and Engineering College of Engineering, University of Arizona Tucson Arizona USA
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Sun W, Wang S, Zhang J, Arias K, Griffith BP, Wu ZJ. Neutrophil injury and function alterations induced by high mechanical shear stress with short exposure time. Artif Organs 2020; 45:577-586. [PMID: 33237583 DOI: 10.1111/aor.13874] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 10/09/2020] [Accepted: 11/17/2020] [Indexed: 12/15/2022]
Abstract
High mechanical shear stresses (HMSS) can cause damage to blood, which manifests as morphologic changes, shortened life span, biochemical alterations, and complete rupture of blood cells and proteins, leading to the alterations of normal blood function. The aim of this study is to determine the state of neutrophil activation and function alterations caused by HMSS with short exposure time relevant to ventricular assist devices. Blood from healthy donors was exposed to three levels of HMSS (75Pa, 125Pa, and 175Pa) for a short exposure time (0.5 s) using our Couette-type blood-shearing device. Neutrophil activation (Mac-1, platelet-neutrophil aggregates) and surface expression levels of two key functional receptors (CD62L and CD162) on neutrophils were evaluated by flow cytometry. Neutrophil phagocytosis and transmigration were also examined with functional assays. Results showed that the expression of Mac-1 on neutrophils and platelet-neutrophil aggregates increased significantly while the level of CD62L expression on neutrophils decreased significantly after the exposure to HMSS. The Mac-1 expression progressively increased while the CD62L expression progressively decreased with the increased level of HMSS. The level of CD162 expression on neutrophils slightly increased after the exposure to HMSS, but the increase was not significant. The phagocytosis assay data revealed that the ability of neutrophils to phagocytose latex beads coated with fluorescently labeled rabbit IgG increased significantly with the increased level of HMSS. The transmigration ability of neutrophils slightly increased after the exposure to HMSS, but did not reach a significant level. In summary, HMSS with a short exposure time of 0.5 seconds could induce neutrophil activation, platelet-neutrophil aggregation, shedding of CD62L receptor, and increased phagocytic ability. However, the exposure to the three levels of HMSS did not cause a significant change in neutrophil transmigration capacity and shedding of CD162 receptor on neutrophils.
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Affiliation(s)
- Wenji Sun
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Shigang Wang
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Jiafeng Zhang
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Katherin Arias
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA.,Fischell Department of Bioengineering, A. James Clark School of Engineering, University of Maryland, College Park, MD, USA
| | - Bartley P Griffith
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Zhongjun J Wu
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD, USA.,Fischell Department of Bioengineering, A. James Clark School of Engineering, University of Maryland, College Park, MD, USA
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Radley G, Laura Pieper I, Thomas BR, Hawkins K, Thornton CA. Artificial shear stress effects on leukocytes at a biomaterial interface. Artif Organs 2019; 43:E139-E151. [PMID: 30537257 DOI: 10.1111/aor.13409] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 10/17/2018] [Accepted: 11/29/2018] [Indexed: 12/11/2022]
Abstract
Medical devices, such as ventricular assist devices (VADs), introduce both foreign materials and artificial shear stress to the circulatory system. The effects these have on leukocytes and the immune response are not well understood. Understanding how these two elements combine to affect leukocytes may reveal why some patients are susceptible to recurrent device-related infections and provide insight into the development of pump thrombosis. Biomaterials-DLC: diamond-like carbon-coated stainless steel; Sap: single-crystal sapphire; and Ti: titanium alloy (Ti6 Al4 V) were attached to the parallel plates of a rheometer. Whole human blood was left between the two discs for 5 minutes at +37°C with or without the application of shear stress (0 s-1 or 1000 s-1 ). Blood was removed and used for complete blood cell counts, flow cytometry (leukocyte activation, cell death, microparticle generation, phagocytic ability, and reactive oxygen species [ROS] production), and the production of pro-inflammatory cytokines. L-selectin expression on monocytes was decreased when blood was exposed to the biomaterials both with and without shear. Applying shear stress to blood on a Sap and Ti surface led to activation of neutrophils shown as decreased L-selectin expression. Sap and Ti blunted the LPS-stimulated macrophage migration inhibitory factor (MIF) production, most notably when sheared on Ti. The biomaterials used here have been shown to activate leukocytes in a static environment. The introduction of shear appears to exacerbate this activation. Interestingly, a widely accepted biocompatible material (Ti) utilized in many different types of devices has the capacity for immune cell activation and inhibition of MIF secretion when combined with shear stress. These findings contribute to our understanding of the contribution of biomaterials and shear stress to recurrent infections and vulnerability to sepsis in some VAD patients as well as pump thrombosis.
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Affiliation(s)
- Gemma Radley
- Swansea University Medical School, Swansea, UK.,Calon Cardio-Technology Ltd, Institute of Life Science, Swansea, UK
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Radley G, Ali S, Pieper IL, Thornton CA. Mechanical shear stress and leukocyte phenotype and function: Implications for ventricular assist device development and use. Int J Artif Organs 2018; 42:133-142. [PMID: 30585115 DOI: 10.1177/0391398818817326] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Heart failure remains a disease of ever increasing prevalence in the modern world. Patients with end-stage heart failure are being referred increasingly for mechanical circulatory support. Mechanical circulatory support can assist patients who are ineligible for transplant and stabilise eligible patients prior to transplantation. It is also used during cardiopulmonary bypass surgery to maintain circulation while operating on the heart. While mechanical circulatory support can stabilise heart failure and improve quality of life, complications such as infection and thrombosis remain a common risk. Leukocytes can contribute to both of these complications. Contact with foreign surfaces and the introduction of artificial mechanical shear stress can lead to the activation of leukocytes, reduced functionality and the release of pro-inflammatory and pro-thrombogenic microparticles. Assessing the impact of mechanical trauma to leukocytes is largely overlooked in comparison to red blood cells and platelets. This review provides an overview of the available literature on the effects of mechanical circulatory support systems on leukocyte phenotype and function. One purpose of this review is to emphasise the importance of studying mechanical trauma to leukocytes to better understand the occurrence of adverse events during mechanical circulatory support.
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Affiliation(s)
- Gemma Radley
- Swansea University Medical School, Swansea, UK
- Calon Cardio-Technology Ltd, Institute of Life Science, Swansea, UK
| | - Sabrina Ali
- Calon Cardio-Technology Ltd, Institute of Life Science, Swansea, UK
| | - Ina Laura Pieper
- Swansea University Medical School, Swansea, UK
- Scandinavian Real Heart AB, Västerås, Sweden
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Radley G, Pieper IL, Ali S, Bhatti F, Thornton CA. The Inflammatory Response to Ventricular Assist Devices. Front Immunol 2018; 9:2651. [PMID: 30498496 PMCID: PMC6249332 DOI: 10.3389/fimmu.2018.02651] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 10/26/2018] [Indexed: 12/27/2022] Open
Abstract
The therapeutic use of ventricular assist devices (VADs) for end-stage heart failure (HF) patients who are ineligible for transplant has increased steadily in the last decade. In parallel, improvements in VAD design have reduced device size, cost, and device-related complications. These complications include infection and thrombosis which share underpinning contribution from the inflammatory response and remain common risks from VAD implantation. An added and underappreciated difficulty in designing a VAD that supports heart function and aids the repair of damaged myocardium is that different types of HF are accompanied by different inflammatory profiles that can affect the response to the implanted device. Circulating inflammatory markers and changes in leukocyte phenotypes receive much attention as biomarkers for mortality and disease progression. However, they are seldom used to monitor progress during and outcomes from VAD therapy or during the design phase for new devices. Even the partial reversal of heart damage associated with heart failure is a desirable outcome from VAD use. Therefore, improved understanding of the interplay between VADs and the recipient's inflammatory response would potentially increase their uptake, improve patient lives, and fuel research related to other blood-contacting medical devices. Here we provide a review of what is currently known about inflammation in heart failure and how this inflammatory profile is altered in heart failure patients receiving VAD therapy.
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Affiliation(s)
- Gemma Radley
- Swansea University Medical School, Swansea, United Kingdom.,Calon Cardio-Technology Ltd, Institute of Life Science, Swansea, United Kingdom
| | - Ina Laura Pieper
- Swansea University Medical School, Swansea, United Kingdom.,Scandinavian Real Heart AB, Västerås, Sweden
| | - Sabrina Ali
- Calon Cardio-Technology Ltd, Institute of Life Science, Swansea, United Kingdom
| | - Farah Bhatti
- Department of Cardiology, Morriston Hospital, Abertawe Bro Morgannwg University Health Board, Swansea, United Kingdom
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