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Biofilms and Implantable Medical Devices by Ying Deng,Wei Lv Pdf
Biofilms and Implantable Medical Devices: Infection and Control explores the increasing use of permanent and semi-permanent implants and indwelling medical devices. As an understanding of the growth and impact of biofilm formation on these medical devices and biomaterials is vital for protecting the health of the human host, this book provides readers with a comprehensive treatise on biofilms and their relationship with medical devices, also reporting on infections and associated strategies for prevention. Provides useful information on the fundamentals of biofilm problems in medical devices Discusses biofilm problems in a range of medical devices Focuses on strategies for prevention of biofilm formation
Microbial Biofilms by Mahmoud Ghannoum,Matthew Parsek,Marvin Whiteley,Pranab K. Mukherjee Pdf
An examination of the research and translational application to prevent and treat biofilm-associated diseases In the decade since the first edition of Microbial Biofilms was published, the interest in this field has expanded, spurring breakthrough research that has advanced the treatment of biofilm-associated diseases. This second edition takes the reader on an exciting, extensive review of bacterial and fungal biofilms, ranging from basic molecular interactions to innovative therapies, with particular emphasis on the division of labor in biofilms, new approaches to combat the threat of microbial biofilms, and how biofilms evade the host defense. Chapters written by established investigators cover recent findings, and contributions from investigators new to the field provide unique and fresh insights. Specifically, Microbial Biofilms provides state-of-the-art research in the field of bacterial and fungal biofilms detailed descriptions of the in vitro and in vivo models available to evaluate microbial biofilms future areas of research and their translational and clinical applications Microbial Biofilms is a useful reference for researchers and clinicians. It will also provide insight in the dynamic field of microbial biofilms for graduate and postgraduate students.
Author : Mark Shirtliff,Jeff G. Leid Publisher : Springer Science & Business Media Page : 276 pages File Size : 53,9 Mb Release : 2008-12-19 Category : Medical ISBN : 9783540681199
The Role of Biofilms in Device-Related Infections by Mark Shirtliff,Jeff G. Leid Pdf
Approximately 60% of all hospital-associated infections, over one million cases per year, are due to biofilms that have formed on indwelling medical devices. Device-related biofilm infections increase hospital stays and add over one billion dollars/year to U.S. hospitalization costs. Since the use and the types of indwelling medical devices commonly used in modern healthcare are continuously expanding, especially with an aging population, the incidence of biofilm infections will also continue to rise. The central problem with microbial biofilm infections of foreign bodies is their propensity to resist clearance by the host immune system and all antimicrobial agents tested to date. In fact, compared to their free floating, planktonic counterparts, microbes within a biofilm are 50 – 500 times more resistant to antimicrobial agents. Therefore, achieving therapeutic and non-lethal dosing regimens within the human host is impossible. The end result is a conversion from an acute infection to one that is persistent, chronic, and recurrent, most often requiring device removal in order to eliminate the infection. This text will describe the major types of device-related infections, and will explain the host, pathogen, and the unique properties of their interactions in order to gain a better understanding of these recalcitrant infections.
Biofilm Eradication and Prevention by Tamilvanan Shunmugaperumal Pdf
Biofilm Eradication and Preventions presents the basics of biofilm formation on medical devices, diseases related to this formation, and approaches pharmaceutical researchers need to take to limit this problem. Split into three parts, the first deals with the development and characterization of biofilm on the surfaces of implanted or inserted medical devices. Questions as to why biofilms form over medical device surfaces and what triggers biofilm formation are addressed. In the second section, the author discusses biofilm-mediated chronic infections occurred in various organs (eyes, mouth, wounds) and pharmaceutical and drug delivery knowledge gained from research in these area. The third part explores pharmaceutical approaches like lipid-and polymer-based drug delivery carriers for eradicating biofilm on device-related infections. In addition, this section also explores the topic of novel small molecule (like iron and its complexes/metal chelators) and a quorum-sensing inhibitors to control medical biofilm formation.
Medical Implications of Biofilms by Michael Wilson,Deirdre Devine Pdf
Human tissues often support large, complex microbial communities growing as biofilms that can cause a variety of infections. As a result of an increased use of implanted medical devices, the incidence of these biofilm-associated diseases is increasing: the non-shedding surfaces of these devices provide ideal substrata for colonisation by biofilm-forming microbes. The consequences of this mode of growth are far-reaching. As microbes in biofilms exhibit increased tolerance towards antimicrobial agents and decreased susceptibility to host defence systems, biofilm-associated diseases are becoming increasingly difficult to treat. Not surprisingly, therefore, interest in biofilms has increased dramatically. The application of microscopic and molecular techniques has revolutionised our understanding of biofilm structure, composition, organisation, and activities, resulting in important advances in the prevention and treatment of biofilm-related diseases. The purpose of this book, which was first published in 2003, is to bring these advances to the attention of clinicians and medical researchers.
Microbial Biofilms in Healthcare by Karen Vickery Pdf
Biofilms are ubiquitous and their presence in industry can lead to production losses. However, nowhere do biofilms impact human health and welfare as much as those that are found contaminating the healthcare environment, surgical instruments, equipment, and medical implantable devices. Approximately 70% of healthcare-associated infections are due to biofilm formation, resulting in increased patient morbidity and mortality. Biofilms formed on medical implants are recalcitrant to antibiotic treatment, which leaves implant removal as the principal treatment option. In this book, we investigate the role of biofilms in breast and dental implant disease and cancer. We include in vitro models for investigating treatment of chronic wounds and disinfectant action against Candida sp. Also included are papers on the most recent strategies for treating biofilm infection ranging from antibiotics incorporated into bone void fillers to antimicrobial peptides and quorum sensing.
Handbook of Polymer Applications in Medicine and Medical Devices by Paul Stoodley,Luanne Hall-Stoodley,Bill Costerton,Patrick DeMeo,Mark Shirtliff,Ellen Gawalt,Sandeep Kathju Pdf
The initial design criteria in the choice of indwelling materials for medical and dental purposes may be pragmatic, and based on the necessary mechanical properties required to fashion a functional device. Orthopedic implants require strong materials for weight-bearing, and articulating surfaces such as joints require durability and resistance to wear. Stents and shunts require flexibility and patency, and sutures require a high tensile strength yet also must be flexible enough for intricate manipulation. As the devices became more sophisticated and developments in materials science provided more options for manufacture, implants are being used more frequently and with longer anticipated lifetimes. Concurrently, the design process increasingly incorporated biocompatibility and comfort into the design criteria. However, with longer lifetimes, the more frequent use of invasive surgical procedures involving indwelling devices and biologically-friendly materials, there has been a rise in the number of incidences of device-related infection. Urinary catheters have been estimated to account for 30% of all nosocomial infections [1]. Between 66 and 88% of these occur after urinary catheterization [2]. It is also reported that almost 100% of catheterized patients develop an infection in an openly draining indwelling catheter which has been in place for four days or more [2]. For some procedures, such as orthopedic joint arthroplasties, the diagnosed surgical site infection rates are relatively low (between 1% and 2%; [3]); however, the increasing number of patients undergoing joint-replacement surgery translates to large numbers of patients afflicted with the consequences of complicating infections per year. Furthermore, infection of artificial joints can be devastating, since oral or IV antibiotic therapy frequently fails to resolve the infection, with the only remaining course of action being surgical debridement or partial or total revision. These two examples, the first with very high numbers of patients but of lesser severity in terms of impact to the individual, and the second, low numbers but severe patient impact, reflect the incentive to pursue a third design criteria—that of infection resistance—into materials and devices [4]. In the following sections we will discuss the role of bacterial biofilms in infection, and the growing literature highlighting biofilms as an important cause of device-related infection.
Microbial Biofilms in Healthcare: Formation, Prevention and Treatment by Karen Vickery Pdf
Biofilms are ubiquitous and their presence in industry can lead to production losses. However, nowhere do biofilms impact human health and welfare as much as those that are found contaminating the healthcare environment, surgical instruments, equipment, and medical implantable devices. Approximately 70% of healthcare-associated infections are due to biofilm formation, resulting in increased patient morbidity and mortality. Biofilms formed on medical implants are recalcitrant to antibiotic treatment, which leaves implant removal as the principal treatment option. In this book, we investigate the role of biofilms in breast and dental implant disease and cancer. We include in vitro models for investigating treatment of chronic wounds and disinfectant action against Candida sp. Also included are papers on the most recent strategies for treating biofilm infection ranging from antibiotics incorporated into bone void fillers to antimicrobial peptides and quorum sensing.
Biofilms in Human Diseases: Treatment and Control by Sunil Kumar,Niharika Chandra,Leena Singh,Muhammad Zaffar Hashmi,Ajit Varma Pdf
This book highlights treatment strategies for bacterial biofilms in connection with a variety of human diseases. In particular, it reviews bacterial biofilm formation and its mechanism. Topics covered include biofilms in human health, the role of biofilms in mediating human diseases, and methods for testing bacterial biofilms. Further sections concentrate on biofilm-mediated diseases in different parts of the human gastrointestinal tract, while therapeutic strategies for biofilm control and natural agents that disrupt bacterial biofilms are also covered. Readers will also find the latest advances in probiotics and biofilms, as well as the use of probiotics to counteract biofilm-associated infections. Biofilms and antimicrobial resistance are discussed. Subsequent chapters address the management of inflammatory bowel disease via probiotics biofilms, as well as the role of probiotics bacteria in the treatment of human diseases associated with bacterial biofilms. The book is chiefly intended for clinicians/scientists in the fields of medical microbiology, applied microbiology, biochemistry, and biotechnology.
Antimicrobial Coatings and Modifications on Medical Devices by Zheng Zhang,Victoria E. Wagner Pdf
Based on a fundamental understanding of the interaction between bacteria and materials, this timely volume emphasizes the latest research in the antimicrobial interfacial design and provides an invaluable blueprint for improving antimicrobial performance on devices and products. Antimicrobial Coatings and Modifications targets reduction of microbial accumulation on biomedical and industrial materials through changing interfacial characteristics. Applying a viable antimicrobial coating or modification to resist alarming threats is a highly demanding requirement for many medical and engineering applications. Many contemporary books in the area of antimicrobial solution focus on applying antimicrobial agents or materials that can kill bacteria. The volume pays more attention to eliminating bacterial contamination and biofilm formation through surface characteristics with minimized bacterial resistance and environmental impact.
Biomaterials and Medical Device - Associated Infections by L Barnes,Ian Cooper Pdf
Despite advances in materials and sterilisation, patients who receive biomaterials of medical device implants are still at risk of developing an infection around the implantation site. This book reviews the fundamentals of biomaterials and medical device related infections and methods and materials for the treatment and prevention of infection. The first part of the book provides readers with an introduction to the topic including analyses of biofilms, diagnosis and treatment of infection, pathology and topography. The second part of the book discusses a range of established and novel technologies and materials which have been designed to prevent infection. Provides analysis of biofilms and their relevance to implant associated infections. Assesses technologies for controlling biofilms. Considers advantages and disadvantages of in vivo infection studies.
Medical Biofilms by Jana Jass,Susanne Surman,James Walker Pdf
Biofilms are formed by microorganisms growing on surfaces and comprise a series of microcolonies interspersed with spaces through which fluids and other microorganisms move. In medicine, the primary problems are biofilms associated with implants: infections are increasingly difficult to treat with traditional antibiotics and removal of the implant often becomes essential, frequently leading to higher morbidity and mortality. This will be the first book dedicated to medical biofilms. It will cover much recent information on the problems of biofilms, how to detect them and how to control their presence.
Biofilm-Mediated Diseases: Causes and Controls by Rina Rani Ray,Moupriya Nag,Dibyajit Lahiri Pdf
This book reviews the current concepts in biofilm formation and its implications in human health and disease. The initial chapters introduce the mechanisms of biofilm formation and its composition. Subsequently, the chapters discuss the role of biofilm in acute and chronic infections. It also explores the pivotal role of both innate and adaptive immunity on the course of biofilm infection. In addition, the book elucidates the bacterial biofilm formation on implantable devices and the current approaches to its treatment and prevention. It analyzes the possible relationship between antimicrobial resistance and biofilm formation. Finally, the book also summarizes the current state-of-the-art therapeutic approaches for preventing and treating biofilms. This book is a useful resource for researchers in the field of microbiology, clinical microbiology, and also medical practitioners.
Biofilm Infections by Thomas Bjarnsholt,Peter Østrup Jensen,Claus Moser,Niels Høiby Pdf
This book will cover both the evidence for biofilms in many chronic bacterial infections as well as the problems facing these infections such as diagnostics and treatment regimes. A still increasing interest and emphasis on the sessile bacterial lifestyle biofilms has been seen since it was realized that that less than 0.1% of the total microbial biomass lives in the planktonic mode of growth. The term was coined in 1978 by Costerton et al. who defined the term biofilm for the first time.In 1993 the American Society for Microbiology (ASM) recognised that the biofilmmode of growth was relevant to microbiology. Lately many articles have been published on the clinical implications of bacterial biofilms. Both original articles and reviews concerning the biofilm problem are available.
Biofilms, Infection, and Antimicrobial Therapy by John L. Pace,Mark E. Rupp,Roger G. Finch Pdf
Rather than existing in a planktonic or free-living form, evidence indicates that microbes show a preference for living in a sessile form within complex communities called biofilms. Biofilms appear to afford microbes a survival advantage by optimizing nutrition, offering protection against hostile elements, and providing a network for cell-to-cell signaling and genetic exchange. Biofilms, Infection, and Antimicrobial Therapy provides an in-depth exploration of biofilms, offering broad background information, as well a detailed look at the serious concerns to which biofilm-associated infections give rise. Prosthetic device infections, such as those involving artificial heart valves, intravascular catheters, or prosthetic joints, are prime examples of biofilm-associated infections. With the increasing use of such devices in the modern practice of medicine, the prevalence of these infections is expected to increase. Unfortunately, one of the most troubling characteristics of microbes found in biofilms is a profound resistance to antimicrobial agents. As biofilm-associated infections are particularly difficult to treat, they result in significant mortality, morbidity, and increased economic burden. Clearly, a better understanding of the pathogenesis of these infections and improved means for prevention and treatment are urgently needed! InBiofilms, Infection, and Antimicrobial Therapy, Drs Pace, Rupp, and Finch assemble the contributions of more than 50 of the world’s leading authorities on microbial biofilms who present recent findings on antibacterial tolerance and bacterial persistence associated with biofilms and discuses the implications of those findings with regard to human health. They explore the molecular mechanisms of bacterial adherence, biofilm formation, regulation of biofilm maintenance, and cell-to-cell communication and present the latest information on various treatment protocols that should aid physicians in the treatment of these refractory and often difficult-to-treat infections.
