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Baker JJ, Rosenberg J. Coatings for Permanent Meshes Used to Enhance Healing in Abdominal Hernia Repair: A Scoping Review. Surg Innov 2024:15533506241255258. [PMID: 38803124 DOI: 10.1177/15533506241255258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
INTRODUCTION Hernia meshes are used to reduce recurrence and pain rates, but the rates are still high. This could be improved with coatings of the mesh. This scoping review aimed to provide an overview of mesh coatings used to promote healing in abdominal hernia repair and to report beneficial and unbeneficial effects. METHODS We included human and animal studies with abdominal hernias that were repaired with non-commercially coated meshes. We searched Pubmed, Embase, Cochrane Central, LILACS, and CNKI without language constraints. RESULTS Of 2933 identified studies, 58 were included: six studies had a total of 408 humans and 52 studies had 2679 animals. The median follow-up was 12 months (range 1-156), and 95% of the hernias were incisional. There were 44 different coatings which included platelet-rich plasma, mesenchymal stem cells, growth factors, vitamin E, collagen-derived products, various polysaccharides, silk proteins, chitosan, gentamycin, doxycycline, nitrofurantoin, titanium, and diamond-like carbon. Mesenchymal stem cells and platelet-rich plasma were the most researched. Mesenchymal stem cells notably reduced inflammation and foreign body reactions but did not impact other healing metrics. In contrast, platelet-rich plasma positively influenced tissue ingrowth, collagen deposition, and neovascularization and had varying effects on inflammation and foreign body reactions. CONCLUSION We identified 44 different mesh coatings and they showed varying results. Mesenchymal stem cells and platelet-rich plasma were the most studied, with the latter showing considerable promise in improving biomechanical properties in hernia repair. Further investigations are needed to ascertain their definitive use in humans.
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Affiliation(s)
- Jason Joe Baker
- Center for Perioperative Optimization, Department of Surgery, Herlev and Gentofte Hospital, University of Copenhagen, Herlev, Denmark
| | - Jacob Rosenberg
- Center for Perioperative Optimization, Department of Surgery, Herlev and Gentofte Hospital, University of Copenhagen, Herlev, Denmark
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2
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Combining microscopy assays of bacteria-surface interactions to better evaluate antimicrobial polymer coatings. Appl Environ Microbiol 2022; 88:e0224121. [PMID: 35108075 DOI: 10.1128/aem.02241-21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Validation of the antimicrobial performance of contact-killing polymer surfaces through experimental determination of bacterial adhesion or viability is essential for their targeted development and application. However, there is not yet a consensus on a single most appropriate evaluation method or procedure. Combining and benchmarking previously reported assays could reduce the significant variation and misinterpretation of efficacy data obtained from different methods. In this work, we systematically investigated the response of bacteria cells to anti-adhesive and antiseptic polymer coatings by combining (i) bulk solution-based, (ii) thin-film spacer-based and (iii) direct contact assays. In addition, we evaluated the studied assays using a five-point scoring framework that highlights key areas for improvement. Our data suggest that combined microscopy assays provide a more comprehensive representation of antimicrobial performance, thereby helping to identify effective types of antibacterial polymer coatings. Importance We present and evaluate a combination of methods for validating the efficacy of antimicrobial surfaces. Antimicrobial surfaces/coatings based on contact-killing components can be instrumental to functionalise a wide range of products. However, there is not yet a consensus on a single, most appropriate method to evaluate their performance. By combining three microscopy methods, we were able to discern contact killing effects at the single cell level that were not detectable by conventional bulk microbiological analyses. The developed approach is considered advantageous for the future targeted development of robust and sustainable antimicrobial surfaces.
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Eickhoff R, Heise D, Kroh A, Helmedag M, Klinge U, Neumann UP, Klink CD, Lambertz A. Improved tissue integration of a new elastic intraperitoneal stoma mesh prosthesis. J Biomed Mater Res B Appl Biomater 2020; 108:2250-2257. [PMID: 31967402 DOI: 10.1002/jbm.b.34562] [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: 06/23/2019] [Revised: 12/03/2019] [Accepted: 01/08/2020] [Indexed: 11/06/2022]
Abstract
Parastomal herniation is a frequent complication in colorectal surgery, occurring with a prevalence of 30-80%. The aim of the study was to create a new intraperitoneal colostoma mesh prosthesis (IPST) with enhanced elastic properties made with thermoplastic polyurethane (TPU) monofilaments. We performed open terminal sigmoid colostomies reinforced with either a 10 cm by 10 cm polyvinylidene fluoride (PVDF) or a new TPU/PVDF composite mesh in a total of 10 minipigs. Colostoma was placed paramedian in the left lower abdomen and IPST meshes were fixed intraperitoneal. After 8 weeks, the animals were euthanized after laparoscopic exploration and specimen were explanted for histological investigations. Implantation of a new IPST-mesh with enhanced elastic properties was feasible in a minipig model within an observation period of 8 weeks. Immunohistochemically, Collagen I/III ratio as a marker of tissue integration was significantly higher in TPU-group versus PVDF group (9.4 ± 0.5 vs. 8.1 ± 0.5, p = 0.002) with a significantly lower inflammatory reaction measured by a smaller inner granuloma at mesh-colon interface (17.6 ± 3.3 μm vs. 23 ± 5 μm, p < 0.001). A new TPU/PVDF composite mesh with enhanced elastic properties as IPST was created. Stoma surgery and especially the evaluation of the new stoma mesh prosthesis are feasible with reproducible results in an animal model. Tissue integration expressed by Collagen I/III ratio seems to be improved in comparison to standard-elastic PVDF-IPST meshes.
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Affiliation(s)
- Roman Eickhoff
- Department of General, Visceral and Transplantation Surgery, RWTH Aachen University Hospital, Aachen, Germany
| | - Daniel Heise
- Department of General, Visceral and Transplantation Surgery, RWTH Aachen University Hospital, Aachen, Germany
| | - Andreas Kroh
- Department of General, Visceral and Transplantation Surgery, RWTH Aachen University Hospital, Aachen, Germany
| | - Marius Helmedag
- Department of General, Visceral and Transplantation Surgery, RWTH Aachen University Hospital, Aachen, Germany
| | - Uwe Klinge
- Department of General, Visceral and Transplantation Surgery, RWTH Aachen University Hospital, Aachen, Germany
| | - Ulf P Neumann
- Department of General, Visceral and Transplantation Surgery, RWTH Aachen University Hospital, Aachen, Germany
| | - Christian D Klink
- Department of General, Visceral and Transplantation Surgery, RWTH Aachen University Hospital, Aachen, Germany
| | - Andreas Lambertz
- Department of General, Visceral and Transplantation Surgery, RWTH Aachen University Hospital, Aachen, Germany
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4
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Liu P, Fu K, Zeng X, Chen N, Wen X. Fabrication and Characterization of Composite Meshes Loaded with Antimicrobial Peptides. ACS APPLIED MATERIALS & INTERFACES 2019; 11:24609-24617. [PMID: 31199612 DOI: 10.1021/acsami.9b07246] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Biomaterials-centered infection or implant-associated infection plays critical roles in all areas of medicine with implantable devices. The widespread over use of antibiotics has caused severe bacterial resistance and even super bugs. Therefore, the development of anti-infection implantable devices with non-antibiotic-based new antimicrobial agents is indeed a priority for all of us. In this study, antimicrobial composite meshes were fabricated with broad-spectrum antimicrobial peptides (AMPs). Macroporous polypropylene meshes with poly-caprolactone electrospun nanosheets were utilized as a substrate to load AMPs and gellan gum presented as a media to gel with AMPs. Different amounts of AMPs were loaded onto gellan gum to determine the appropriate dose. The surface morphologies, Fourier-transform infrared spectroscopy spectra, in vitro release profiles, mechanical performances, in vitro antimicrobial properties, and cytocompatibility of composite scaffolds were evaluated. Results showed that AMPs were loaded into the meshes successfully, the in vitro release of AMPs in phosphate-buffered saline was prolonged, and less than 60% peptides were released in 10 days. The mechanical properties of composite meshes were also within the scope of several commercial surgical meshes. Composite meshes with the AMP loading amount of over 3 mg/cm2 showed inhibition against both Gram-negative and Gram-positive bacteria effectively, while they presented no toxicity to mammalian cells even at a loading amount of 10 mg/cm2. These results demonstrate a new simple and practicable method to offer antimicrobial properties to medical devices for hernia repair.
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Affiliation(s)
- Pengbi Liu
- College of Textiles , Donghua University , Shanghai 201620 , P. R. China
- Department of Chemical and Life Science Engineering, School of Engineering , Virginia Commonwealth University , Richmond , Virginia 23284 , United States
| | - Kun Fu
- Department of Chemical and Life Science Engineering, School of Engineering , Virginia Commonwealth University , Richmond , Virginia 23284 , United States
- Department of Stomatology , The First Affiliated Hospital of Zhengzhou University , Zhengzhou , Henan 450052 , P. R. China
| | - Xiaomei Zeng
- Department of Chemical and Life Science Engineering, School of Engineering , Virginia Commonwealth University , Richmond , Virginia 23284 , United States
| | - Nanliang Chen
- College of Textiles , Donghua University , Shanghai 201620 , P. R. China
| | - Xuejun Wen
- Department of Chemical and Life Science Engineering, School of Engineering , Virginia Commonwealth University , Richmond , Virginia 23284 , United States
- Beijing Ditan Hospital , Capital Medical University , Beijing 100015 , P. R. China
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5
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A critical review of the in vitro and in vivo models for the evaluation of anti-infective meshes. Hernia 2018; 22:961-974. [PMID: 30168006 DOI: 10.1007/s10029-018-1807-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 08/18/2018] [Indexed: 12/31/2022]
Abstract
BACKGROUND Infectious complications following mesh implantation for abdominal wall repair appear in 0.7 up to 26.6% of hernia repairs and can have a detrimental impact for the patient. To prevent or to treat mesh-related infection, the scientific community is currently developing a veritable arsenal of antibacterial meshes. The numerous and increasing reports published every year describing new technologies indicate a clear clinical need, and an academic interest in solving this problem. Nevertheless, to really appreciate, to challenge, to compare and to optimize the antibacterial properties of next generation meshes, it is important to know which models are available and to understand them. PURPOSE We proposed for the first time, a complete overview focusing only on the in vitro and in vivo models which have been employed specifically in the field of antibacterial meshes for hernia repair. RESULTS AND CONCLUSION From this investigation, it is clear that there has been vast progress and breadth in new technologies and models to test them. However, it also shows that standardization or adoption of a more restricted number of models would improve comparability and be a benefit to the field of study.
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6
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Van Dijck P, Sjollema J, Cammue BPA, Lagrou K, Berman J, d’Enfert C, Andes DR, Arendrup MC, Brakhage AA, Calderone R, Cantón E, Coenye T, Cos P, Cowen LE, Edgerton M, Espinel-Ingroff A, Filler SG, Ghannoum M, Gow NA, Haas H, Jabra-Rizk MA, Johnson EM, Lockhart SR, Lopez-Ribot JL, Maertens J, Munro CA, Nett JE, Nobile CJ, Pfaller MA, Ramage G, Sanglard D, Sanguinetti M, Spriet I, Verweij PE, Warris A, Wauters J, Yeaman MR, Zaat SA, Thevissen K. Methodologies for in vitro and in vivo evaluation of efficacy of antifungal and antibiofilm agents and surface coatings against fungal biofilms. MICROBIAL CELL (GRAZ, AUSTRIA) 2018; 5:300-326. [PMID: 29992128 PMCID: PMC6035839 DOI: 10.15698/mic2018.07.638] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 05/24/2018] [Indexed: 12/13/2022]
Abstract
Unlike superficial fungal infections of the skin and nails, which are the most common fungal diseases in humans, invasive fungal infections carry high morbidity and mortality, particularly those associated with biofilm formation on indwelling medical devices. Therapeutic management of these complex diseases is often complicated by the rise in resistance to the commonly used antifungal agents. Therefore, the availability of accurate susceptibility testing methods for determining antifungal resistance, as well as discovery of novel antifungal and antibiofilm agents, are key priorities in medical mycology research. To direct advancements in this field, here we present an overview of the methods currently available for determining (i) the susceptibility or resistance of fungal isolates or biofilms to antifungal or antibiofilm compounds and compound combinations; (ii) the in vivo efficacy of antifungal and antibiofilm compounds and compound combinations; and (iii) the in vitro and in vivo performance of anti-infective coatings and materials to prevent fungal biofilm-based infections.
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Affiliation(s)
- Patrick Van Dijck
- VIB-KU Leuven Center for Microbiology, Leuven, Belgium
- KU Leuven Laboratory of Molecular Cell Biology, Leuven, Belgium
| | - Jelmer Sjollema
- University of Groningen, University Medical Center Groningen, Department of BioMedical Engineering, Groningen, The Netherlands
| | - Bruno P. A. Cammue
- Centre for Microbial and Plant Genetics, KU Leuven, Leuven, Belgium
- Department of Plant Systems Biology, VIB, Ghent, Belgium
| | - Katrien Lagrou
- Department of Microbiology and Immunology, KU Leuven, Leuven, Belgium
- Clinical Department of Laboratory Medicine and National Reference Center for Mycosis, UZ Leuven, Belgium
| | - Judith Berman
- School of Molecular Cell Biology and Biotechnology, Faculty of Life Sciences, Tel Aviv University, Ramat Aviv, Israel
| | - Christophe d’Enfert
- Institut Pasteur, INRA, Unité Biologie et Pathogénicité Fongiques, Paris, France
| | - David R. Andes
- Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, Wisconsin, USA
- Department of Medicine, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Maiken C. Arendrup
- Unit of Mycology, Statens Serum Institut, Copenhagen, Denmark
- Department of Clinical Microbiology, Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Axel A. Brakhage
- Leibniz Institute for Natural Product Research and Infection Biology - Hans Knoell Institute (HKI), Dept. Microbiology and Molecular Biology, Friedrich Schiller University Jena, Institute of Microbiology, Jena, Germany
| | - Richard Calderone
- Department of Microbiology & Immunology, Georgetown University Medical Center, Washington DC, USA
| | - Emilia Cantón
- Severe Infection Research Group: Medical Research Institute La Fe (IISLaFe), Valencia, Spain
| | - Tom Coenye
- Laboratory of Pharmaceutical Microbiology, Ghent University, Ghent, Belgium
- ESCMID Study Group for Biofilms, Switzerland
| | - Paul Cos
- Laboratory for Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Belgium
| | - Leah E. Cowen
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Mira Edgerton
- Department of Oral Biology, School of Dental Medicine, University at Buffalo, Buffalo, NY USA
| | | | - Scott G. Filler
- Division of Infectious Diseases, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Mahmoud Ghannoum
- Center for Medical Mycology, Department of Dermatology, University Hospitals Cleveland Medical Center and Case Western Re-serve University, Cleveland, OH, USA
| | - Neil A.R. Gow
- MRC Centre for Medical Mycology, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Hubertus Haas
- Biocenter - Division of Molecular Biology, Medical University Innsbruck, Innsbruck, Austria
| | - Mary Ann Jabra-Rizk
- Department of Oncology and Diagnostic Sciences, School of Dentistry; Department of Microbiology and Immunology, School of Medicine, University of Maryland, Baltimore, USA
| | - Elizabeth M. Johnson
- National Infection Service, Public Health England, Mycology Reference Laboratory, Bristol, UK
| | | | | | - Johan Maertens
- Department of Microbiology and Immunology, KU Leuven, Leuven, Belgium and Clinical Department of Haematology, UZ Leuven, Leuven, Belgium
| | - Carol A. Munro
- MRC Centre for Medical Mycology, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Jeniel E. Nett
- University of Wisconsin-Madison, Departments of Medicine and Medical Microbiology & Immunology, Madison, WI, USA
| | - Clarissa J. Nobile
- Department of Molecular and Cell Biology, School of Natural Sciences, University of California, Merced, Merced, USA
| | - Michael A. Pfaller
- Departments of Pathology and Epidemiology, University of Iowa, Iowa, USA
- JMI Laboratories, North Liberty, Iowa, USA
| | - Gordon Ramage
- ESCMID Study Group for Biofilms, Switzerland
- College of Medical, Veterinary and Life Sciences, University of Glasgow, UK
| | - Dominique Sanglard
- Institute of Microbiology, University of Lausanne and University Hospital, CH-1011 Lausanne
| | - Maurizio Sanguinetti
- Institute of Microbiology, Università Cattolica del Sacro Cuore, IRCCS-Fondazione Policlinico "Agostino Gemelli", Rome, Italy
| | - Isabel Spriet
- Pharmacy Dpt, University Hospitals Leuven and Clinical Pharmacology and Pharmacotherapy, Dpt. of Pharmaceutical and Pharma-cological Sciences, KU Leuven, Belgium
| | - Paul E. Verweij
- Center of Expertise in Mycology Radboudumc/CWZ, Radboud University Medical Center, Nijmegen, the Netherlands (omit "Nijmegen" in Radboud University Medical Center)
| | - Adilia Warris
- MRC Centre for Medical Mycology, Aberdeen Fungal Group, University of Aberdeen, Foresterhill, Aberdeen, UK
| | - Joost Wauters
- KU Leuven-University of Leuven, University Hospitals Leuven, Department of General Internal Medicine, Herestraat 49, B-3000 Leuven, Belgium
| | - Michael R. Yeaman
- Geffen School of Medicine at the University of California, Los Angeles, Divisions of Molecular Medicine & Infectious Diseases, Har-bor-UCLA Medical Center, LABioMed at Harbor-UCLA Medical Center
| | - Sebastian A.J. Zaat
- Department of Medical Microbiology, Amsterdam Infection and Immunity Institute, Academic Medical Center, University of Am-sterdam, Netherlands
| | - Karin Thevissen
- Centre for Microbial and Plant Genetics, KU Leuven, Leuven, Belgium
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Sjollema J, Zaat SAJ, Fontaine V, Ramstedt M, Luginbuehl R, Thevissen K, Li J, van der Mei HC, Busscher HJ. In vitro methods for the evaluation of antimicrobial surface designs. Acta Biomater 2018; 70:12-24. [PMID: 29432983 DOI: 10.1016/j.actbio.2018.02.001] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 01/12/2018] [Accepted: 02/01/2018] [Indexed: 11/16/2022]
Abstract
Bacterial adhesion and subsequent biofilm formation on biomedical implants and devices are a major cause of their failure. As systemic antibiotic treatment is often ineffective, there is an urgent need for antimicrobial biomaterials and coatings. The term "antimicrobial" can encompass different mechanisms of action (here termed "antimicrobial surface designs"), such as antimicrobial-releasing, contact-killing or non-adhesivity. Biomaterials equipped with antimicrobial surface designs based on different mechanisms of action require different in vitro evaluation methods. Available industrial standard evaluation tests do not address the specific mechanisms of different antimicrobial surface designs and have therefore been modified over the past years, adding to the myriad of methods available in the literature to evaluate antimicrobial surface designs. The aim of this review is to categorize fourteen presently available methods including industrial standard tests for the in vitro evaluation of antimicrobial surface designs according to their suitability with respect to their antimicrobial mechanism of action. There is no single method or industrial test that allows to distinguish antimicrobial designs according to all three mechanisms identified here. However, critical consideration of each method clearly relates the different methods to a specific mechanism of antimicrobial action. It is anticipated that use of the provided table with the fourteen methods will avoid the use of wrong methods for evaluating new antimicrobial designs and therewith facilitate translation of novel antimicrobial biomaterials and coatings to clinical use. The need for more and better updated industrial standard tests is emphasized. STATEMENT OF SIGNIFICANCE European COST-action TD1305, IPROMEDAI aims to provide better understanding of mechanisms of antimicrobial surface designs of biomaterial implants and devices. Current industrial evaluation standard tests do not sufficiently account for different, advanced antimicrobial surface designs, yet are urgently needed to obtain convincing in vitro data for approval of animal experiments and clinical trials. This review aims to provide an innovative and clear guide to choose appropriate evaluation methods for three distinctly different mechanisms of antimicrobial design: (1) antimicrobial-releasing, (2) contact-killing and (3) non-adhesivity. Use of antimicrobial evaluation methods and definition of industrial standard tests, tailored toward the antimicrobial mechanism of the design, as identified here, fulfill a missing link in the translation of novel antimicrobial surface designs to clinical use.
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Affiliation(s)
- Jelmer Sjollema
- University of Groningen, University Medical Center Groningen, Department of BioMedical Engineering, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands.
| | - Sebastian A J Zaat
- Department of Medical Microbiology, CINIMA (Center for Infection and Immunity Amsterdam), Academic Medical Center, University of Amsterdam, Meibergdreef 15, 1105 AZ Amsterdam, The Netherlands
| | - Veronique Fontaine
- Unit of Pharmaceutical Microbiology and Hygiene, Faculty of Pharmacy, Université Libre de Bruxelles (ULB), Campus Plaine, Boulevard du Triomphe, 1050 Brussels, Belgium
| | | | - Reto Luginbuehl
- RMS Foundation, Bischmattstrasse 12, 2544 Bettlach, Switzerland
| | - Karin Thevissen
- Centre for Microbial and Plant Genetics, CMPG, University of Leuven, Kasteelpark Arenberg 20, 3001 Heverlee, Belgium
| | - Jiuyi Li
- School of Civil Engineering, Beijing Jiaotong University, 3 Shangyuancun, Xizhimenwai, Beijing 100044, China
| | - Henny C van der Mei
- University of Groningen, University Medical Center Groningen, Department of BioMedical Engineering, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Henk J Busscher
- University of Groningen, University Medical Center Groningen, Department of BioMedical Engineering, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
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Guillaume O, Pérez-Tanoira R, Fortelny R, Redl H, Moriarty TF, Richards RG, Eglin D, Petter Puchner A. Infections associated with mesh repairs of abdominal wall hernias: Are antimicrobial biomaterials the longed-for solution? Biomaterials 2018; 167:15-31. [PMID: 29554478 DOI: 10.1016/j.biomaterials.2018.03.017] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 03/09/2018] [Accepted: 03/12/2018] [Indexed: 12/30/2022]
Abstract
The incidence of mesh-related infection after abdominal wall hernia repair is low, generally between 1 and 4%; however, worldwide, this corresponds to tens of thousands of difficult cases to treat annually. Adopting best practices in prevention is one of the keys to reduce the incidence of mesh-related infection. Once the infection is established, however, only a limited number of options are available that provides an efficient and successful treatment outcome. Over the past few years, there has been a tremendous amount of research dedicated to the functionalization of prosthetic meshes with antimicrobial properties, with some receiving regulatory approval and are currently available for clinical use. In this context, it is important to review the clinical importance of mesh infection, its risk factors, prophylaxis and pathogenicity. In addition, we give an overview of the main functionalization approaches that have been applied on meshes to confer anti-bacterial protection, the respective benefits and limitations, and finally some relevant future directions.
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Affiliation(s)
- O Guillaume
- AO Research Institute Davos, Clavadelerstrasse 8, CH 7270, Davos, Switzerland.
| | - R Pérez-Tanoira
- Division of Infectious Diseases, IIS-Fundación Jiménez Díaz, Madrid, Spain; Department of Otorhinolaryngology - Head and Neck Surgery, Helsinki University Hospital and University of Helsinki, Finland
| | - R Fortelny
- Department of General, Visceral and Oncologic Surgery, Wilhelminen Hospital, Montleartstrasse 37, 1160, Vienna, Austria; Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Donaueschingenstraße 13, A-1200, Vienna, Austria; Sigmund Freud University, Medical Faculty, Kelsenstraße 2, A-1030, Vienna, Austria
| | - H Redl
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Donaueschingenstraße 13, A-1200, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Donaueschingenstrasse 13, A-1200, Vienna, Austria
| | - T F Moriarty
- AO Research Institute Davos, Clavadelerstrasse 8, CH 7270, Davos, Switzerland
| | - R G Richards
- AO Research Institute Davos, Clavadelerstrasse 8, CH 7270, Davos, Switzerland
| | - D Eglin
- AO Research Institute Davos, Clavadelerstrasse 8, CH 7270, Davos, Switzerland
| | - A Petter Puchner
- Department of General, Visceral and Oncologic Surgery, Wilhelminen Hospital, Montleartstrasse 37, 1160, Vienna, Austria; Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Donaueschingenstraße 13, A-1200, Vienna, Austria
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9
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Aydemir Sezer U, Sanko V, Gulmez M, Sayman E, Aru B, Yuksekdag ZN, Aktekin A, Vardar Aker F, Sezer S. A Polypropylene-Integrated Bilayer Composite Mesh with Bactericidal and Antiadhesive Efficiency for Hernia Operations. ACS Biomater Sci Eng 2017; 3:3662-3674. [DOI: 10.1021/acsbiomaterials.7b00757] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
| | | | | | | | - Basak Aru
- Department
of Immunology Section, School of Medicine, Yeditepe University, Istanbul 34755, Turkey
| | - Zehra Nur Yuksekdag
- Faculty
of
Sciences, Department of Biology, Gazi University, Ankara 06500, Turkey
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10
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van de Lagemaat M, Grotenhuis A, van de Belt-Gritter B, Roest S, Loontjens TJ, Busscher HJ, van der Mei HC, Ren Y. Comparison of methods to evaluate bacterial contact-killing materials. Acta Biomater 2017; 59:139-147. [PMID: 28666886 DOI: 10.1016/j.actbio.2017.06.042] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2017] [Revised: 06/06/2017] [Accepted: 06/26/2017] [Indexed: 12/19/2022]
Abstract
Cationic surfaces with alkylated quaternary-ammonium groups kill adhering bacteria upon contact by membrane disruption and are considered increasingly promising as a non-antibiotic based way to eradicate bacteria adhering to surfaces. However, reliable in vitro evaluation methods for bacterial contact-killing surfaces do not yet exist. More importantly, results of different evaluation methods are often conflicting. Therefore, we compared five methods to evaluate contact-killing surfaces. To this end, we have copolymerized quaternary-ammonium groups into diurethane dimethacrylate/glycerol dimethacrylate (UDMA/GDMA) and determined contact-killing efficacies against five different Gram-positive and Gram-negative strains. Spray-coating bacteria from an aerosol onto contact-killing surfaces followed by air-drying as well as ASTM E2149-13a (American Society for Testing and Materials) were found unsuitable, while the Petrifilm® system and JIS Z 2801 (Japanese Industrial Standards) were found to be excellent methods to evaluate bacterial contact-killing surfaces. It is recommended however, that these methods be used in combination with a zone of inhibition on agar assay to exclude that leakage of antimicrobials from the material interferes with the contact-killing ability of the surface. STATEMENT OF SIGNIFICANCE Bacterial adhesion to surfaces of biomaterials implants can be life-threatening. Antimicrobials to treat biomaterial-associated infections often fail due to the bacterial biofilm-mode-of-growth or are ineffective due to antibiotic-resistance of causative organisms. Positively-charged, quaternized surfaces can kill bacteria upon contact and are promising as a non-antibiotic-based treatment of biomaterial-associated infections. Reliable methods to determine efficacies of contact-killing surfaces are lacking, however. Here, we show that three out of five methods compared, including an established ASTM, are unsuitable. Methods found suitable should be used in combination with a zone-of-inhibition-assay to establish absence of antimicrobial leaching, potentially interfering with contact-killing. Identification of suitable assays for evaluating bacterial contact-killing will greatly assist this emerging field as an alternative for antibiotic-based treatment of biomaterial-associated-infections.
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11
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Viola GM, Rosenblatt J, Raad II. Drug eluting antimicrobial vascular catheters: Progress and promise. Adv Drug Deliv Rev 2017; 112:35-47. [PMID: 27496702 DOI: 10.1016/j.addr.2016.07.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Revised: 06/14/2016] [Accepted: 07/26/2016] [Indexed: 12/13/2022]
Abstract
Vascular catheters are critical tools in modern healthcare yet present substantial risks of serious bloodstream infections that exact significant health and economic burdens. Drug-eluting antimicrobial vascular catheters have become important tools in preventing catheter-related bloodstream infections and their importance is expected to increase as significant initiatives are expanded to eliminate and make the occurrence of these infections unacceptable. Here we review clinically significant and emerging drug-eluting antimicrobial catheters within the categories of antibiotic, antiseptic, novel bioactive agents and energy-enhanced drug eluting antimicrobial catheters. Important representatives of each category are reviewed from the standpoints of mechanisms of action, physical-chemical properties, safety, in vitro and clinical effectiveness.
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Affiliation(s)
- George M Viola
- Department of Infectious Diseases, Infection Control, and Employee Health, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Joel Rosenblatt
- Department of Infectious Diseases, Infection Control, and Employee Health, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
| | - Issam I Raad
- Department of Infectious Diseases, Infection Control, and Employee Health, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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12
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Song Z, Ma Y, Xia G, Wang Y, Kapadia W, Sun Z, Wu W, Gu H, Cui W, Huang X. In vitro and in vivo combined antibacterial effect of levofloxacin/silver co-loaded electrospun fibrous membranes. J Mater Chem B 2017; 5:7632-7643. [PMID: 32264238 DOI: 10.1039/c7tb01243h] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The Lev@MSN@Ag–PLLA fibers provided an advanced synergistic antibacterial nanoplatform of low dosage for the treatment of drug-resistant bacterial infections.
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Affiliation(s)
- Ziliang Song
- Department of General Surgery
- Sixth People's Hospital Affiliated Shanghai Jiao Tong University
- Shanghai
- P. R. China
| | - Yongjie Ma
- School of Biomedical Engineering and Med-X Research Institute
- Shanghai Jiao Tong University
- Shanghai
- P. R. China
| | - Guanggai Xia
- Department of General Surgery
- Sixth People's Hospital Affiliated Shanghai Jiao Tong University
- Shanghai
- P. R. China
| | - Yao Wang
- School of Biomedical Engineering and Med-X Research Institute
- Shanghai Jiao Tong University
- Shanghai
- P. R. China
| | - Wasim Kapadia
- Department of Orthopedics
- The First Affiliated Hospital of Soochow University
- Orthopedic Institute
- Soochow University
- Suzhou
| | - Zhiyong Sun
- Department of Orthopedics
- The First Affiliated Hospital of Soochow University
- Orthopedic Institute
- Soochow University
- Suzhou
| | - Wei Wu
- Department of Orthopedics
- The First Affiliated Hospital of Soochow University
- Orthopedic Institute
- Soochow University
- Suzhou
| | - Hongchen Gu
- School of Biomedical Engineering and Med-X Research Institute
- Shanghai Jiao Tong University
- Shanghai
- P. R. China
| | - Wenguo Cui
- Department of Orthopedics
- The First Affiliated Hospital of Soochow University
- Orthopedic Institute
- Soochow University
- Suzhou
| | - Xinyu Huang
- Department of General Surgery
- Sixth People's Hospital Affiliated Shanghai Jiao Tong University
- Shanghai
- P. R. China
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14
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Majumder A, Scott JR, Novitsky YW. Evaluation of the Antimicrobial Efficacy of a Novel Rifampin/Minocycline-Coated, Noncrosslinked Porcine Acellular Dermal Matrix Compared With Uncoated Scaffolds for Soft Tissue Repair. Surg Innov 2016; 23:442-55. [PMID: 27354551 DOI: 10.1177/1553350616656280] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Background Despite meticulous aseptic technique and systemic antibiotics, bacterial colonization of mesh remains a critical issue in hernia repair. A novel minocycline/rifampin tyrosine-coated, noncrosslinked porcine acellular dermal matrix (XenMatrix AB) was developed to protect the device from microbial colonization for up to 7 days. The objective of this study was to evaluate the in vitro and in vivo antimicrobial efficacy of this device against clinically isolated methicillin-resistant Staphylococcus aureus (MRSA) and Escherichia coli. Methods XenMatrix AB was compared with 5 existing uncoated soft tissue repair devices using in vitro methods of zone of inhibition (ZOI) and scanning electron microscopy (SEM) at 24 hours following inoculation with MRSA or E coli These devices were also evaluated at 7 days following dorsal implantation and inoculation with MRSA or E coli (60 male New Zealand white rabbits, n = 10 per group) for viable colony-forming units (CFU), abscess formation and histopathologic response, respectively. Results In vitro studies demonstrated a median ZOI of 36 mm for MRSA and 16 mm for E coli for XenMatrix AB, while all uncoated devices showed no inhibition of bacterial growth (0 mm). SEM also demonstrated no visual evidence of MRSA or E coli colonization on the surface of XenMatrix AB compared with colonization of all other uncoated devices. In vivo XenMatrix AB demonstrated complete inhibition of bacterial colonization, no abscess formation, and a reduced inflammatory response compared with uncoated devices. Conclusion We demonstrated that XenMatrix AB possesses potent in vitro and in vivo antimicrobial efficacy against clinically isolated MRSA and E coli compared with uncoated devices.
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Affiliation(s)
- Arnab Majumder
- University Hospitals Case Medical Center, Cleveland, OH, USA
| | - Jeffrey R Scott
- Brown University, Providence, RI, USA C. R. Bard, Inc (Davol), Warwick, RI, USA
| | - Yuri W Novitsky
- University Hospitals Case Medical Center, Cleveland, OH, USA
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Pérez-Köhler B, Bayon Y, Bellón JM. Mesh Infection and Hernia Repair: A Review. Surg Infect (Larchmt) 2015; 17:124-37. [PMID: 26654576 DOI: 10.1089/sur.2015.078] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND The use of a prosthetic mesh to repair a tissue defect may produce a series of post-operative complications, among which infection is the most feared and one of the most devastating. When occurring, bacterial adherence and biofilm formation on the mesh surface affect the implant's tissue integration and host tissue regeneration, making preventive measures to control prosthetic infection a major goal of prosthetic mesh improvement. METHODS This article reviews the literature on the infection of prosthetic meshes used in hernia repair to describe the in vitro and in vivo models used to examine bacterial adherence and biofilm formation on the surface of different biomaterials. Also discussed are the prophylactic measures used to control implant infection ranging from meshes soaked in antibiotics to mesh coatings that release antimicrobial agents in a controlled manner. RESULTS Prosthetic architecture has a direct effect on bacterial adherence and biofilm formation. Absorbable synthetic materials are more prone to bacterial colonization than non-absorbable materials. The reported behavior of collagen biomeshes, also called xenografts, in a contaminated environment has been contradictory, and their use in this setting needs further clinical investigation. New prophylactic mesh designs include surface modifications with an anti-adhesive substance or pre-treatment with antibacterial agents or metal coatings. CONCLUSIONS The use of polymer coatings that slowly release non-antibiotic drugs seems to be a good strategy to prevent implant contamination and reduce the onset of resistant bacterial strains. Even though the prophylactic designs described in this review are mainly focused on hernia repair meshes, these strategies can be extrapolated to other implantable devices, regardless of their design, shape or dimension.
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Affiliation(s)
- Bárbara Pérez-Köhler
- 1 Department of Surgery, Medical and Social Sciences. Faculty of Medicine and Health Sciences. University of Alcalá . Madrid, Spain .,2 Networking Research Center on Bioengineering , Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
| | - Yves Bayon
- 3 Covidien - Sofradim Production , Trévoux, France
| | - Juan Manuel Bellón
- 1 Department of Surgery, Medical and Social Sciences. Faculty of Medicine and Health Sciences. University of Alcalá . Madrid, Spain .,2 Networking Research Center on Bioengineering , Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
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16
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Influence of gentamicin-coded PVDF suture material on the healing of intestinal anastomosis in a rat model. Int J Colorectal Dis 2015; 30:1571-80. [PMID: 26260480 DOI: 10.1007/s00384-015-2345-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/27/2015] [Indexed: 02/04/2023]
Abstract
PURPOSE Intestinal anastomosis is a fundamental procedure in general surgery and required to restore intestinal continuity following resection. The aim of this study was to evaluate whether a gentamicin-coated polyvinylidene fluoride (PVDF) suture material has beneficial effect on anastomotic healing. METHODS Ninety Sprague-Dawley rats were divided into three groups: a PVDF-suture group, a gentamicin-coated PVDF (GPVDF)-suture group and a control group using Maxon® (polyglycolid-co-trimethylene carbonate). For each animal, a colonic anastomosis was performed. Ten animals from each group were sacrificed on postoperative days 3, 5, and 14. Measurements of anastomotic bursting pressure were performed on days 3 and 5. At each time, collagen type I/III ratio, MMP 2 and MMP-9 expression and the proliferation index (Ki67) were analyzed. RESULTS In total, 90 animals underwent surgery without postoperative complications. Bursting strength in the GPVDF group was significantly elevated on day 5. Immunohistochemistry showed significant increase of the collagen type I/III ratio for PVDF and GPVDF on days 3 and 5. MMP2 was significantly increased for PVDF on days 3 and 5 and for GPVDF on day 5. The analysis of MMP9 revealed significant increase compared to control on day 3 and 5 (GPVDF) as well as on day 5 (PVDF). Staining for Ki67 revealed a significant elevation on postoperative day 3 for the PVDF and the GPVDF group. CONCLUSIONS The present data shows the feasibility of PVDF as suture material for colonic anastomosis and confirms the ability of gentamicin to increase the stability of colonic anastomosis when used as coating material.
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Vogels RRM, Lambertz A, Schuster P, Jockenhoevel S, Bouvy ND, Disselhorst‐Klug C, Neumann UP, Klinge U, Klink CD. Biocompatibility and biomechanical analysis of elastic
TPU
threads as new suture material. J Biomed Mater Res B Appl Biomater 2015; 105:99-106. [DOI: 10.1002/jbm.b.33531] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2015] [Revised: 08/17/2015] [Accepted: 09/12/2015] [Indexed: 11/12/2022]
Affiliation(s)
- Ruben R. M. Vogels
- Department of General, Visceral and Transplantation SurgeryRWTH Aachen UniversityAachen Germany
- Department of General SurgeryMaastricht University Medical CentreMaastricht The Netherlands
| | - Andreas Lambertz
- Department of General, Visceral and Transplantation SurgeryRWTH Aachen UniversityAachen Germany
| | - Philipp Schuster
- Institut fuer Textiltechnik at RWTH Aachen UniversityAachen Germany
| | | | - Nicole D. Bouvy
- Department of General SurgeryMaastricht University Medical CentreMaastricht The Netherlands
| | - Catherine Disselhorst‐Klug
- Department of Rehabilitation & Prevention Engineering, Institute of Applied Medical EngineeringRWTH Aachen UniversityAachen Germany
| | - Ulf P. Neumann
- Department of General, Visceral and Transplantation SurgeryRWTH Aachen UniversityAachen Germany
| | - Uwe Klinge
- Department of General, Visceral and Transplantation SurgeryRWTH Aachen UniversityAachen Germany
| | - Christian D. Klink
- Department of General, Visceral and Transplantation SurgeryRWTH Aachen UniversityAachen Germany
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Guillaume O, Teuschl AH, Gruber-Blum S, Fortelny RH, Redl H, Petter-Puchner A. Emerging Trends in Abdominal Wall Reinforcement: Bringing Bio-Functionality to Meshes. Adv Healthc Mater 2015; 4:1763-89. [PMID: 26111309 DOI: 10.1002/adhm.201500201] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Revised: 05/12/2015] [Indexed: 12/19/2022]
Abstract
Abdominal wall hernia is a recurrent issue world-wide and requires the implantation of over 1 million meshes per year. Because permanent meshes such as polypropylene and polyester are not free of complications after implantation, many mesh modifications and new functionalities have been investigated over the last decade. Indeed, mesh optimization is the focus of intense development and the biomaterials utilized are now envisioned as being bioactive substrates that trigger various physiological processes in order to prevent complications and to promote tissue integration. In this context, it is of paramount interest to review the most relevant bio-functionalities being brought to new meshes and to open new avenues for the innovative development of the next generation of meshes with enhanced properties for functional abdominal wall hernia repair.
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Affiliation(s)
- Olivier Guillaume
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology; Donaueschingenstraße 13 A-1200 Vienna Austria
- Austrian Cluster for Tissue Regeneration; Donaueschingenstrasse 13 A-1200 Vienna Austria
| | - Andreas Herbert Teuschl
- Austrian Cluster for Tissue Regeneration; Donaueschingenstrasse 13 A-1200 Vienna Austria
- University of Applied Sciences Technikum Wien; Department of Biochemical Engineering; Höchstädtplatz 5 1200 Vienna Austria
| | - Simone Gruber-Blum
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology; Donaueschingenstraße 13 A-1200 Vienna Austria
- Austrian Cluster for Tissue Regeneration; Donaueschingenstrasse 13 A-1200 Vienna Austria
- Department of General Visceral and Oncological Surgery; Wilhelminenspital der Stadt Wien; Montleartstraße 37 A-1171 Vienna Austria
| | - René Hartmann Fortelny
- Austrian Cluster for Tissue Regeneration; Donaueschingenstrasse 13 A-1200 Vienna Austria
- Department of General Visceral and Oncological Surgery; Wilhelminenspital der Stadt Wien; Montleartstraße 37 A-1171 Vienna Austria
| | - Heinz Redl
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology; Donaueschingenstraße 13 A-1200 Vienna Austria
- Austrian Cluster for Tissue Regeneration; Donaueschingenstrasse 13 A-1200 Vienna Austria
| | - Alexander Petter-Puchner
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology; Donaueschingenstraße 13 A-1200 Vienna Austria
- Austrian Cluster for Tissue Regeneration; Donaueschingenstrasse 13 A-1200 Vienna Austria
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Kulacoglu H. Hernia, mesh, and topical antibiotics, especially gentamycin: seeking the evidence for the perfect outcome…. Front Surg 2015; 1:53. [PMID: 25699259 PMCID: PMC4315908 DOI: 10.3389/fsurg.2014.00053] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Accepted: 12/27/2014] [Indexed: 11/20/2022] Open
Abstract
Inguinal hernia repair is a clean surgical procedure and surgical site infection (SSI) rate is generally below 2%. Antibiotic prophylaxis is not routinely recommended, but it may be a good choice for institutions with high rates of wound infection (>5%). Typical prophylaxis is the intravenous application of first or second-generation cephalosporins before the skin incision. However, SSI rate remains more than 2% in many centers in spite of intravenous antibiotic prophylaxis. Even a 1% SSI rate may be unacceptable for the surgeons who specifically deal with hernia surgery. A hernia center targets to be a center of excellence not only in respect of recurrence rate but also for other postoperative outcomes, therefore a further measure is required for an excellent result regarding infection control. Topical gentamycin application in combination with preoperative single-dose intravenous antibiotic may be a useful to obtain this perfect outcome. Data about this subject are not complete and high-grade evidence has not been cumulated yet. Prospective randomized controlled trials can make our knowledge more solid about this subject and help the surgeons who seek perfect outcome regarding infection control in inguinal hernia surgery.
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Affiliation(s)
- Hakan Kulacoglu
- Department of Surgery, Recep Tayyip Erdoğan University , Rize , Turkey
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20
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Wiegering A, Sinha B, Spor L, Klinge U, Steger U, Germer CT, Dietz UA. Gentamicin for prevention of intraoperative mesh contamination: demonstration of high bactericide effect (in vitro) and low systemic bioavailability (in vivo). Hernia 2014; 18:691-700. [PMID: 25112382 DOI: 10.1007/s10029-014-1293-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2013] [Accepted: 07/28/2014] [Indexed: 12/28/2022]
Abstract
INTRODUCTION Mesh infection is a severe complication after incisional hernia repair and occurs in 1-3 % of all open mesh implantations. For this reason, topical antimicrobial agent applied directly to the mesh is often used procedure. So far, however, this procedure lacks a scientific basis. MATERIALS AND METHODS Two different meshes (Parietex™, Covidien; Ultrapro™, Ethicon Johnson & Johnson) were incubated with increasing amounts of three different Staphylococcus aureus strains (ATCC 25923; Mu50; ST239) with or without gentamicin and growth ability were determined in vitro. To further address the question of the systemic impact of topic gentamicin, serum levels were analyzed 6 and 24 h after implantation of gentamicin-impregnated multifilament meshes in 19 patients. RESULTS None of the gentamicin-impregnated meshes showed any bacterial growth in vitro. This effect was independent of the mesh type for all the tested S. aureus strains. In the clinical setting, serum gentamicin levels 6 h after implantation of the gentamicin-impregnated meshes were below the through-level (range 0.4-2.9 mg/l, mean 1.2 ± 0.7 mg/l). After 24 h the gentamicin serum levels in all patients had declined 90-65 % of the 6 h values. CONCLUSION Local application of gentamicin to meshes can completely prevent the growth of even gentamicin-resistant S. aureus strains in vitro. The systemic relevance of gentamicin in the clinical controls showed to be very low, without reaching therapeutic concentrations.
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Affiliation(s)
- A Wiegering
- Department of General, Visceral, Vascular and Pediatric Surgery (Department of Surgery I), University Hospital of Wuerzburg, Oberduerrbacher Strasse 6, 97080, Würzburg, Germany
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