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Passerini M, Petri F, Suh GA. Phage Therapy for Cardiac Implantable Electronic Devices and Vascular Grafts: A Targeted Literature Review. Pathogens 2024; 13:424. [PMID: 38787276 PMCID: PMC11123972 DOI: 10.3390/pathogens13050424] [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: 03/25/2024] [Revised: 05/12/2024] [Accepted: 05/13/2024] [Indexed: 05/25/2024] Open
Abstract
Infections of cardiac implantable electronic devices (CIEDs) and vascular grafts are some of the most dreaded complications of these otherwise life-saving devices. Many of these infections are not responsive to conventional treatment, such as systemic antibiotics and surgical irrigation and debridement. Therefore, innovative strategies to prevent and manage these conditions are warranted. Among these, there is an increasing interest in phages as a therapeutical option. In this review, we aim to collect the available evidence for the clinical application of phage therapy for CIED and vascular graft infections through literature research. We found 17 studies for a total of 34 patients. Most of the indications were left ventricular assist device (LVAD) (n = 20) and vascular graft infections (n = 7). The bacteria most often encountered were Staphylococcus aureus (n = 18) and Pseudomonas aeruginosa (n = 16). Clinical improvements were observed in 21/34 (61.8%) patients, with microbiological eradication in 18/21 (85.7%) of them. In eight cases, an adverse event related to phage therapy was reported. Phage therapy is a promising option for difficult-to-treat CIED and vascular graft infections by means of an individualized approach. Clinical trials and expanded access programs for compassionate use are needed to further unveil the role of phage therapy in clinical application.
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Affiliation(s)
- Matteo Passerini
- Department of Pathophysiology and Transplantation, University of Milano, 20122 Milan, Italy;
- Department of Infectious Disease, ASST FBF Sacco Milano, 20157 Milan, Italy;
- ESGNTA–ESCMID Study Group for Non-Traditional Antibacterials, 4051 Basel, Switzerland
| | - Francesco Petri
- Department of Infectious Disease, ASST FBF Sacco Milano, 20157 Milan, Italy;
- Division of Public Health, Infectious Diseases and Occupational Medicine, Department of Medicine, Mayo Clinic, Rochester, 55905 MN, USA
| | - Gina A. Suh
- ESGNTA–ESCMID Study Group for Non-Traditional Antibacterials, 4051 Basel, Switzerland
- Division of Public Health, Infectious Diseases and Occupational Medicine, Department of Medicine, Mayo Clinic, Rochester, 55905 MN, USA
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Khosla H, Seche W, Ammerman D, Elyahoodayan S, Caputo GA, Hettinger J, Amini S, Feng G. Development of antibacterial neural stimulation electrodes via hierarchical surface restructuring and atomic layer deposition. Sci Rep 2023; 13:19778. [PMID: 37957282 PMCID: PMC10643707 DOI: 10.1038/s41598-023-47256-9] [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] [Received: 07/20/2023] [Accepted: 11/10/2023] [Indexed: 11/15/2023] Open
Abstract
Miniaturization and electrochemical performance enhancement of electrodes and microelectrode arrays in emerging long-term implantable neural stimulation devices improves specificity, functionality, and performance of these devices. However, surgical site and post-implantation infections are amongst the most devastating complications after surgical procedures and implantations. Additionally, with the increased use of antibiotics, the threat of antibiotic resistance is significant and is increasingly being recognized as a global problem. Therefore, the need for alternative strategies to eliminate post-implantation infections and reduce antibiotic use has led to the development of medical devices with antibacterial properties. In this work, we report on the development of electrochemically active antibacterial platinum-iridium electrodes targeted for use in neural stimulation and sensing applications. A two-step development process was used. Electrodes were first restructured using femtosecond laser hierarchical surface restructuring. In the second step of the process, atomic layer deposition was utilized to deposit conformal antibacterial copper oxide thin films on the hierarchical surface structure of the electrodes to impart antibacterial properties to the electrodes with minimal impact on electrochemical performance of the electrodes. Morphological, compositional, and structural properties of the electrodes were studied using multiple modalities of microscopy and spectroscopy. Antibacterial properties of the electrodes were also studied, particularly, the killing effect of the hierarchically restructured antibacterial electrodes on Escherichia coli and Staphylococcus aureus-two common types of bacteria responsible for implant infections.
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Affiliation(s)
- Henna Khosla
- Department of Mechanical Engineering, Villanova University, Villanova, PA, 19085, USA
| | - Wesley Seche
- Pulse Technologies Inc., Research and Development, Quakertown, PA, 18951, USA
| | - Daniel Ammerman
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ, 08028, USA
| | - Sahar Elyahoodayan
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, 90089, USA
| | - Gregory A Caputo
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ, 08028, USA
| | - Jeffrey Hettinger
- Department of Physics and Astronomy, Rowan University, Glassboro, NJ, 08028, USA
| | - Shahram Amini
- Pulse Technologies Inc., Research and Development, Quakertown, PA, 18951, USA.
- Biomedical Engineering Department, University of Connecticut, Storrs, CT, 06269, USA.
| | - Gang Feng
- Department of Mechanical Engineering, Villanova University, Villanova, PA, 19085, USA
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Kamińska M, Jastrzębska A, Walkowiak-Przybyło M, Walczyńska M, Komorowski P, Walkowiak B. Adhesion and Activation of Blood Platelets on Laser-Structured Surfaces of Biomedical Metal Alloys. J Funct Biomater 2023; 14:478. [PMID: 37754892 PMCID: PMC10532272 DOI: 10.3390/jfb14090478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/06/2023] [Accepted: 09/11/2023] [Indexed: 09/28/2023] Open
Abstract
The laser surface modification of metallic implants presents a promising alternative to other surface modification techniques. A total of four alloyed metallic biomaterials were used for this study: medical steel (AISI 316L), cobalt-chromium-molybdenum alloy (CoCrMo) and titanium alloys (Ti6Al4V and Ti6Al7Nb). Samples of metallic biomaterials after machining were subjected to polishing or laser modification in two different versions. The results of surface modification were documented using SEM imaging and roughness measurement. After modification, the samples were sterilized with dry hot air, then exposed to citrate blood, washed with PBS buffer, fixed with glutaraldehyde, sputtered with a layer of gold and imaged using SEM to enable the quantification of adhered, activated and aggregated platelets on the surface of biomaterial samples. The average total number, counted in the field of view, of adhered platelets on the surfaces of the four tested biomaterials, regardless of the type of modification, did not differ statistically significantly (66 ± 81, 67 ± 75, 61 ± 70 and 57 ± 61 for AISI 316L, CoCrMo, Ti6Al4V and Ti6Al7Nb, respectively) and the average number of platelet aggregates was statistically significantly higher (p < 0.01) on the surfaces of AISI 316L medical steel (42 ± 53) and of the CoCrMo alloy (42 ± 52) compared to the surfaces of the titanium alloys Ti6Al4V (33 ± 39) and Ti6Al7Nb (32 ± 37). Remaining blood after contact was used to assess spontaneous platelet activation and aggregation in whole blood by flow cytometry. An in-depth analysis conducted on the obtained results as a function of the type of modification indicates small but statistically significant differences in the interaction of platelets with the tested surfaces of metallic biomaterials.
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Affiliation(s)
- Marta Kamińska
- Department of Biophysics, Institute of Materials Science and Engineering, Lodz University of Technology, Stefanowskiego 1/15, 90-537 Lodz, Poland; (M.K.)
| | - Aleksandra Jastrzębska
- Department of Biophysics, Institute of Materials Science and Engineering, Lodz University of Technology, Stefanowskiego 1/15, 90-537 Lodz, Poland; (M.K.)
| | - Magdalena Walkowiak-Przybyło
- Department of Biophysics, Institute of Materials Science and Engineering, Lodz University of Technology, Stefanowskiego 1/15, 90-537 Lodz, Poland; (M.K.)
- Aflofarm Farmacja Polska Sp. z o.o., 95-200 Pabianice, Poland
| | - Marta Walczyńska
- Department of Biophysics, Institute of Materials Science and Engineering, Lodz University of Technology, Stefanowskiego 1/15, 90-537 Lodz, Poland; (M.K.)
- Department of Medical Imaging Techniques, Medical University of Lodz, Lindley 6, 90-131 Lodz, Poland
| | - Piotr Komorowski
- Department of Biophysics, Institute of Materials Science and Engineering, Lodz University of Technology, Stefanowskiego 1/15, 90-537 Lodz, Poland; (M.K.)
- Bionanopark Laboratories, Bionanopark Sp. z o.o., Dubois 114/116, 93-465 Lodz, Poland
| | - Bogdan Walkowiak
- Department of Biophysics, Institute of Materials Science and Engineering, Lodz University of Technology, Stefanowskiego 1/15, 90-537 Lodz, Poland; (M.K.)
- Bionanopark Laboratories, Bionanopark Sp. z o.o., Dubois 114/116, 93-465 Lodz, Poland
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Noach N, Lavy E, Reifen R, Friedman M, Kirmayer D, Zelinger E, Ritter A, Yaniv D, Reifen E. Zinc chloride is effective as an antibiotic in biofilm prevention following septoplasty. Sci Rep 2023; 13:8344. [PMID: 37221180 DOI: 10.1038/s41598-023-35069-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Accepted: 05/11/2023] [Indexed: 05/25/2023] Open
Abstract
Biofilm-state bacterial infections associated with inserted medical devices constitute a massive health and financial problem worldwide. Although bacteria exhibit significantly lower susceptibility to antibiotics in the biofilm state, the most common treatment approach still relies on antibiotics, exacerbating the phenomenon of antibiotic-resistant bacteria. In this study, we aimed to assess whether ZnCl2 coating of intranasal silicone splints (ISSs) can reduce the biofilm infections associated with the insertion of these devices and prevent the overuse of antibiotics while minimizing waste, pollution and costs. We tested the ability of ZnCl2 to prevent biofilm formation on ISS both in vitro and in vivo by using the microtiter dish biofilm formation assay, crystal violet staining, and electron and confocal microscopy. We found a significant decrease in biofilm formation between the treatment group and the growth control when ZnCl2-coated splints were placed in patients' nasal flora. According to these results, infections associated with ISS insertion may be prevented by using ZnCl2 coating, thereby obviating the overuse and abuse of antibiotics.
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Affiliation(s)
- Noa Noach
- The Institute of Biochemistry, Food Science and Nutrition. The Robert H. Smith Faculty of Agriculture, Food & Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Eran Lavy
- The Koret School of Veterinary Medicine. The Robert H. Smith Faculty of Agriculture, Food & Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Ram Reifen
- The Institute of Biochemistry, Food Science and Nutrition. The Robert H. Smith Faculty of Agriculture, Food & Environment, The Hebrew University of Jerusalem, Rehovot, Israel.
| | - Michael Friedman
- The School of Pharmacy, The Faculty of Medicine, Ein Kerem Campus, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - David Kirmayer
- The School of Pharmacy, The Faculty of Medicine, Ein Kerem Campus, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Einat Zelinger
- FACSI-Faculty of Agriculture Center for Scientific Imaging. The Robert H. Smith Faculty of Agriculture, Food & Environment, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Amit Ritter
- Department of Otolaryngology, Head and Neck Surgery, Rabin Medical Center, Petah Tikva, Israel
| | - Dan Yaniv
- Department of Otolaryngology, Head and Neck Surgery, Rabin Medical Center, Petah Tikva, Israel
| | - Ella Reifen
- Department of Otolaryngology, Head and Neck Surgery, Rabin Medical Center, Petah Tikva, Israel
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Coronel-Meneses D, Sánchez-Trasviña C, Ratera I, Mayolo-Deloisa K. Strategies for surface coatings of implantable cardiac medical devices. Front Bioeng Biotechnol 2023; 11:1173260. [PMID: 37256118 PMCID: PMC10225971 DOI: 10.3389/fbioe.2023.1173260] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 04/25/2023] [Indexed: 06/01/2023] Open
Abstract
Cardiac medical devices (CMDs) are required when the patient's cardiac capacity or activity is compromised. To guarantee its correct functionality, the building materials in the development of CMDs must focus on several fundamental properties such as strength, stiffness, rigidity, corrosion resistance, etc. The challenge is more significant because CMDs are generally built with at least one metallic and one polymeric part. However, not only the properties of the materials need to be taken into consideration. The biocompatibility of the materials represents one of the major causes of the success of CMDs in the short and long term. Otherwise, the material will lead to several problems of hemocompatibility (e.g., protein adsorption, platelet aggregation, thrombus formation, bacterial infection, and finally, the rejection of the CMDs). To enhance the hemocompatibility of selected materials, surface modification represents a suitable solution. The surface modification involves the attachment of chemical compounds or bioactive compounds to the surface of the material. These coatings interact with the blood and avoid hemocompatibility and infection issues. This work reviews two main topics: 1) the materials employed in developing CMDs and their key characteristics, and 2) the surface modifications reported in the literature, clinical trials, and those that have reached the market. With the aim of providing to the research community, considerations regarding the choice of materials for CMDs, together with the advantages and disadvantages of the surface modifications and the limitations of the studies performed.
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Affiliation(s)
- David Coronel-Meneses
- Tecnologico de Monterrey, The Institute for Obesity Research, Monterrey, Mexico
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Centro de Biotecnología-FEMSA, Monterrey, Mexico
| | - Calef Sánchez-Trasviña
- Tecnologico de Monterrey, The Institute for Obesity Research, Monterrey, Mexico
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Centro de Biotecnología-FEMSA, Monterrey, Mexico
| | - Imma Ratera
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, Bellaterra, Spain
- Centro de Investigación Biomédica en Red de Bioingeniería, Instituto de Salud Carlos IIIBellaterra, Spain
| | - Karla Mayolo-Deloisa
- Tecnologico de Monterrey, The Institute for Obesity Research, Monterrey, Mexico
- Tecnologico de Monterrey, Escuela de Ingeniería y Ciencias, Centro de Biotecnología-FEMSA, Monterrey, Mexico
- Institute of Materials Science of Barcelona (ICMAB-CSIC), Campus UAB, Bellaterra, Spain
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Nanomaterials-Incorporated Chemically Modified Gelatin Methacryloyl-Based Biomedical Composites: A Novel Approach for Bone Tissue Engineering. Pharmaceutics 2022; 14:pharmaceutics14122645. [PMID: 36559139 PMCID: PMC9788194 DOI: 10.3390/pharmaceutics14122645] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/22/2022] [Accepted: 11/25/2022] [Indexed: 12/02/2022] Open
Abstract
Gelatin methacryloyl (GelMA)-based composites are evolving three-dimensional (3D) networking hydrophilic protein composite scaffolds with high water content. These protein composites have been devoted to biomedical applications due to their unique abilities, such as flexibility, soft structure, versatility, stimuli-responsiveness, biocompatibility, biodegradability, and others. They resemble the native extracellular matrix (ECM) thanks to their remarkable cell-adhesion and matrix-metalloproteinase (MMP)-responsive amino acid motifs. These favorable properties promote cells to proliferate and inflate within GelMA-protein scaffolds. The performance of GelMA composites has been enriched using cell-amenable components, including peptides and proteins with a high affinity to harmonize cellular activities and tissue morphologies. Due to their inimitable merits, GelMA systems have been used in various fields such as drug delivery, biosensor, the food industry, biomedical, and other health sectors. The current knowledge and the role of GelMA scaffolds in bone tissue engineering are limited. The rational design and development of novel nanomaterials-incorporated GelMA-based composites with unique physicochemical and biological advantages would be used to regulate cellular functionality and bone regeneration. Substantial challenges remain. This review focuses on recent progress in mitigating those disputes. The study opens with a brief introduction to bone tissue engineering and GelMA-based composites, followed by their potential applications in bone tissue engineering. The future perspectives and current challenges of GelMA composites are demonstrated. This review would guide the researchers to design and fabricate more efficient multifunctional GelMA-based composites with improved characteristics for their practical applications in bone tissue engineering and biomedical segments.
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Bhattacharjee R, Dubey AK, Ganguly A, Bhattacharya B, Mishra YK, Mostafavi E, Kaushik A. State-of-art high-performance Nano-systems for mutated coronavirus infection management: From Lab to Clinic. OPENNANO 2022. [PMCID: PMC9463543 DOI: 10.1016/j.onano.2022.100078] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The emerging severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants made emerging novel coronavirus diseases (COVID-19) pandemic/endemic/or both more severe and difficult to manage due to increased worry about the efficacy and efficiency of present preventative, therapeutic, and sensing measures. To deal with these unexpected circumstances, the development of novel nano-systems with tuneable optical, electrical, magnetic, and morphological properties can lead to novel research needed for (1) COVID-19 infection (anti-microbial systems against SARS-CoV-2), (2) early detection of mutated SARS-CoV-2, and (3) targeted delivery of therapeutics using nano-systems, i.e., nanomedicine. However, there is a knowledge gap in understanding all these nano-biotechnology potentials for managing mutated SARS-CoV-2 on a single platform. To bring up the aspects of nanotechnology to tackle SARS-CoV-2 variants related COVID-19 pandemic, this article emphasizes improvements in the high-performance of nano-systems to combat SARS-CoV-2 strains/variants with a goal of managing COVID-19 infection via trapping, eradication, detection/sensing, and treatment of virus. The potential of state-of-the-art nano-assisted approaches has been demonstrated as an efficient drug delivery systems, viral disinfectants, vaccine productive cargos, anti-viral activity, and biosensors suitable for point-of-care (POC) diagnostics. Furthermore, the process linked with the efficacy of nanosystems to neutralize and eliminate SARS-CoV-2 is extensively highligthed in this report. The challenges and opportunities associated with managing COVID-19 using nanotechnology as part of regulations are also well-covered. The outcomes of this review will help researchers to design, investigate, and develop an appropriate nano system to manage COVID-19 infection, with a focus on the detection and eradication of SARS-CoV-2 and its variants. This article is unique in that it discusses every aspect of high-performance nanotechnology for ideal COVID pandemic management.
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Pandey LM. Design of Biocompatible and Self-antibacterial Titanium Surfaces for Biomedical Applications. CURRENT OPINION IN BIOMEDICAL ENGINEERING 2022. [DOI: 10.1016/j.cobme.2022.100423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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