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Author : Jorge L. Alió Del Barrio,Daniel Ting
Publisher : Frontiers Media SA
Page : 143 pages
File Size : 49,7 Mb
Release : 2022-11-15
Category : Medical
ISBN : 9782832505571
Author : Liqiu Yan,Giannis G. Baltogiannis,Fang Wang,Bert Vandenberk,Julia W. Erath,Bart Mulder,Matthias Bossard,Massimo Mapelli,Gregor Leibundgut,Stefania Paolillo,Yow Keat Tham,Ajith Nair,Celine F. Santiago,Fuyang Zhang,Yasumasa Ikeda,Kimie Tanaka,Antonino S. Rubino,Kanhua Yin,Jan Vojacek,Yong-Jae Kim,Jose R. Medina inojosa,Giulio Francesco Romiti,Claudia Maria Radu,Cornelie Nienaber-Rousseau,Steven Philip Grover,Sebastian Ludwig,Tobias Schmidt,Livia Luciana Gheorghe,Cameron Dowling,Yashwant Agrawal,Pablo Codner,David Marti,Kazufumi Nakamura,Zhi-Yong Li,Kelvin Kian Loong Wong,Dunja Aksentijevic,David C. Rotzinger,Giulia Elena Mandoli,Anna Malashicheva,Hooi Hooi Ng,Jesper Hjortnaes,Wouter Meijers,Aaron L. Sverdlov,Rohit Moudgil,Peter Moritz Becher,Yun Fang,David Duncker,Patrick G. Burgon,Jose Francisco Huizar,Jason Bazil,Tobias Jakobi,Christopher N. Toepfer,Shizuka Uchida,Jürgen Bernhagen,Patricia B. Maguire,Chieko Mineo,Christoph E. Hagemeyer,Gemma Chiva-Blanch,Yansheng Feng,Ayman Al Haj Zen,Joshua D. Hutcheson,Mosharraf Sarker,Radu Iliescu,Attila Kiss,Ionut Tudorancea,Mingtao Zhao,Michela Noseda,Abdelali Agouni,Manuel M. Mazo,Elena Grossi,Bisheng Zhou,Brígida Gomes De Almeida Schirmer,Andrew Tseng,Marco Vitolo
Publisher : Frontiers Media SA
Page : 791 pages
File Size : 53,6 Mb
Release : 2024-05-01
Category : Medical
ISBN : 9782832548240
We are delighted to present the inaugural Frontiers in Cardiovascular Medicine “Rising Stars” article collection. This collection showcases the high-quality work of internationally recognized researchers in the early stages of their independent careers. All Rising Star researchers were individually nominated by the Chief Editors of the Journal in recognition of their potential to influence the future directions in their respective fields. The work presented here highlights the diversity of research performed across the entire breadth of cardiovascular medicine, including the elucidation of fundamental biology, the development of novel diagnostics or therapeutics, computational modelling approaches, and bioengineering strategies for regeneration.
Author : Xiuming Jin,Jiaxu Hong,Takenori Inomata,Lei Gu
Publisher : Frontiers Media SA
Page : 389 pages
File Size : 55,6 Mb
Release : 2022-06-06
Category : Medical
ISBN : 9782889763290
Author : Jyotirmayee Mohanty,Hongyan Sun,Taner Yonar,Tsuyoshi Minami,Jafar Soleymani,Basem Moosa,Lei Guo,Qianxiong Zhou,Wukun Liu
Publisher : Frontiers Media SA
Page : 141 pages
File Size : 42,8 Mb
Release : 2022-01-13
Category : Science
ISBN : 9782889740604
Author : Janina Burk,Laura Barrachina,Iris Maria Gerner
Publisher : Frontiers Media SA
Page : 168 pages
File Size : 55,9 Mb
Release : 2023-12-18
Category : Medical
ISBN : 9782832541241
Veterinary patients, from companion to farm animals, play a key role in our society and economy as members of families which provide leisure or sustenance. Therefore, their health and welfare are of utmost importance and should be supported by all means available. The field of regenerative medicine offers new opportunities to understand and treat diseases, with a growing interest to benefit animals not only as models but also as patients. The rapid expansion of the veterinary regenerative medicine field demands for continuous innovation. A big share of the affiliated research is contributed by dedicated young researchers willing to advance the standard of animal care.
Author : C.J. Roberts,J. Liu
Publisher : Kugler Publications
Page : 328 pages
File Size : 51,5 Mb
Release : 2017-05-15
Category : Medical
ISBN : 9789062998760
While lecturing in recent months at a number of prominent institutions, I asked some of the residents and fellows whether and how they might benefit from a book on corneal biomechanics. The typical response was the look of a deer caught in the headlights as they tried to intuit the “appropriate” answer, but had little understanding or insight as to why this would be an important and useful knowledge base for them now, or in the future. I then posed the question differently. “Would a book that explained corneal biomechanical principles and testing devices and their application in detecting eyes at risk for developing keratoconus and post-LASIK ectasia, understanding the biomechanical impact of specific types of keratorefractive surgery and riboflavin UV-A corneal collagen cross-linking, and the impact of corneal biomechanics on the fidelity of intraocular pressure measurement and risk for glaucoma progression be of interest?” Framed in this context, the answer I got was a resounding, “Yes!” Therein lies a fundamental disconnect that highlights both the opportunity and need to educate all ophthalmologists about this nascent field. This comprehensive book is strengthened by the breadth of contributions from leading experts around the world and provides an important resource for ophthalmologists at all levels of training and experience. It gives a panoramic snapshot of our understanding of corneal biomechanics today, bridging the gap between theoretical principles, testing devices that are commercially available and in development as well as current and potential future clinical applications. While there has been a long-held appreciation that all types of keratorefractive surgery have an impact and interdependence on corneal biomechanics and wound healing, the initial finite element analyses that were applied to understand radial keratotomy were limited by incorrect assumptions that the cornea was a linear, elastic, homogenous, isotropic material.1 With the advent of excimer laser vision correction, critical observations indicated that Munnerlyn’s theoretic ablation profiles did not account for either lower or higher order (e.g. spherical aberration) refractive outcomes,2 suggesting that there were important components missing from the equation—e.g., corneal biomechanics and wound healing. In a seminal editorial, Roberts3 pointed out that the cornea is not a piece of plastic, but rather a material with viscoelastic qualities. Since that time, much has been learned about spatial and depth- related patterns of collagen orientation and interweaving, as well as the biomechanical response to different keratorefractive surgeries that sever tension-bearing lamellae, as the cornea responds to and redistributes stress induced by IOP, hydration, eye rubbing, blinking and extraocular muscle forces.3-6 The first reports of post-LASIK ectasia7 highlighted the need to identify a biomechanical signature of early keratoconus as well as corneas at high risk of developing ectasia irrespective of their current topography or tomography. The introduction of two instruments into clinical use—the Ocular Response Analyzer (ORA) and the Corneal Visualization Scheimpflug Technology (Corvis ST)—that allow measurement of various biomechanical metrics further catapulted the field. The availability of these instruments in routine clinical settings allowed the systematic study of the effect of age, collagen disorders, collagen cross-linking, corneal rings, flaps of various depths, contour, sidecut angulation, pockets, and flockets, just to name of few. Future application of biomechanics to the sclera may improve our understanding of the development and prevention of myopia, as well as scleral surgeries and treatments under development for presbyopia. It was appreciated by Goldmann and Schmidt that corneal thickness and curvature would influence the measurement of applanation tonometry. The recent ability to measure some corneal biomechanical metrics have led to IOP measurement that may be more immune both to their influence and the impact of central corneal thickness (CCT). Certain chapters in this book explain how a thin cornea could be stiffer than a thick one and that stiffness is also impacted by IOP, thereby precluding simplistic attempts to adjust IOP measurements using nomograms based upon CCT alone. Also highlighted is how corneal hysteresis, the ability of the cornea to absorb and dissipate energy during the bidirectional applanation response to a linear Gaussian air puff, appears to be an independent risk factor for glaucoma progression and rate of progression.9,10 This comprehensive book starts out with a section devoted to outlining basic biomechanical principles and theories, teaching us the language of what Dupps11 has referred to as “mechanospeak”, thus providing a context and common vocabulary to better comprehend the following chapters. By first defining basic concepts such as stress-strain relationships and creep, this theoretical basis is later applied to explain the pathogenesis of corneal diseases, e.g., explaining how a focal abnormality in corneal biomechanical properties precipitates a cycle of decompensation and localized thinning and steepening, clinically expressed as ectasia progression. These early chapters further detail biomechanical differences between in-vivo and ex-vivo testing, between human and animal corneas and sclera, and between methods of testing. The second section provides a thorough description of two FDA-approved devices to measure corneal biomechanics in the clinic (i.e., the ORA and the Corvis ST), as well as an overview of potential future technologies, including OCT with air puff stimulus, ocular pulse elastography, and Brilloiun microscopy. The third and final section of the book is a thorough treatise on how to interpret the metrics derived from the waveform provided by available clinical devices; their adjunct use in ectasia risk screening; the comparative biomechanical impact of various keratorefractive surgeries and corneal procedures such as PRK, LASIK, SMILE, and corneal collagen cross-linking; the impact of corneal biomechanics on IOP measurement; and potential biomechanical markers of enhanced susceptibility to glaucoma progression. This compendium of our current knowledge of corneal biomechanics, its measurement and application, provides a strong foundation to more fully understand advances in keratorefractive and corneal surgery, diseases, and treatments, all of which are interdependent on and influence inherent corneal biomechanical properties and behavior. Both the robust aspects and limitations of our current understanding are presented, including the challenge of creating accurate and predictive finite element models that incorporate the impact of IOP, corneal thickness, geometry, and scleral properties on corneal biomechanics. This book provides a key allowing clinical ophthalmologists and researchers to grasp the basics and nuances of this exciting field and to shape it as it evolves in the future.
Author : Chelvin C. A. Sng,Keith Barton
Publisher : Springer Nature
Page : 203 pages
File Size : 41,5 Mb
Release : 2021
Category : Eye
ISBN : 9789811556326
The book is provided open access under a CC BY 4.0 license. This book covers all aspects of minimally invasive glaucoma surgery (MIGS) and provides detailed information on each MIGS device, including its mechanism of action; patient selection; implantation techniques; post-operative management; and a review of the existing literature. Step-by-step descriptions are provided for the surgical technique used in implanting each MIGS device, accompanied by clear photographs of each surgical stage. Other areas covered include intra-operative gonioscopy (with tips on optimising the view of the anterior chamber angle) and the management of the intra-operative and post-operative complications. Essential information on the anatomy and physiology of the different aqueous outflow pathways is also included. A separate chapter addresses the introduction of MIGS globally, including the consideration of different reimbursement environments and the different types of glaucoma, e.g. angle closure glaucoma. This book will assist both glaucoma surgeons and general ophthalmologists in overcoming the learning curve involved in performed MIGS, by providing valuable and practical clinical pearls.
Author : Sohaib R Rufai
Publisher : World Scientific
Page : 135 pages
File Size : 44,6 Mb
Release : 2021-05-05
Category : Medical
ISBN : 9789811236310
If you are considering a career in ophthalmology, this book is for you.Ophthalmology is among the most popular and rewarding specialties in medicine. This book is packed full of useful strategies to maximise your chances of securing an ophthalmic specialist training (OST) post in the United Kingdom.Each step of the application process is covered, based on official guidance and the author's first-hand experience. An overview of the OST Person Specification and Multi-Specialty Recruitment Assessment (MSRA) is provided. The Evidence Folder (portfolio) is covered in detail, with targeted strategies for boosting scores across all sections. Interview preparation material is provided for the in-person interview format, including critical appraisal, improving patient care (audit and quality improvement), communication skills and clinical knowledge. Interview preparation material is also provided for the 2021 online interview (patient consultation). Three mock interviews with solutions/guidance are provided for both the in-person and online interview formats. The author also gives a candid account of his own journey in ophthalmic specialist training, plus 'a week in the life of an ophthalmology trainee'.This book is unique in its broad, easy-to-access approach to preparation strategies, theory and practice for aspiring ophthalmologists applying for OST posts in the UK.Related Link(s)
Author : Sylvia H. Yoo
Publisher : Thieme
Page : 360 pages
File Size : 53,5 Mb
Release : 2020-12-23
Category : Medical
ISBN : 9781638537007
A step-by-step guide on pediatric ophthalmic surgery featuring tricks of the trade from top experts Children can be affected by a wide range of ophthalmic disorders, many of which require surgical intervention. Pediatric Ophthalmology Surgery and Procedures: Tricks of the Trade by esteemed pediatric ophthalmologist Sylvia Yoo and expert contributors covers the full range of pediatric ophthalmic procedures. As with other titles in this series, the book is consistently formatted with concise, step-by-step guidance. Chapters include goals, advantages, expectations, key principles, indications, contraindications, preoperative preparation, surgical planning, perioperative tips and pearls, operative technique and tools, what to avoid, complications, and postoperative care. Organized into six sections and 19 chapters, the text encompasses ophthalmic surgical approaches that pediatric ophthalmologists are likely to perform. Disease-related sections cover strabismus, eye conditions impacting the orbit and anterior segment, glaucoma, and retinopathy of prematurity. The final section provides guidance on preparing for exams under anesthesia to ensure that the required equipment and testing are arranged in advance of the child being placed under anesthesia. Key Highlights Insightful tips, tricks, and pearls from experienced specialists help readers optimize outcomes and limit complications The user-friendly layout is conducive to quickly reading and reviewing each operative procedure and salient features Pertinent figures and tables enhance understanding of step-by-step procedural descriptions and retention of knowledge This easy-to-use pediatric ophthalmology guide is a must-have reference for ophthalmology residents and fellows. Ophthalmologists who treat infants, children, and teenagers will also benefit from the extensive tips and pearls.
Author : Sen Li,Hongcai Shang,Ping Wang,Haiqiang Dou
Publisher : Frontiers Media SA
Page : 144 pages
File Size : 41,5 Mb
Release : 2024-04-19
Category : Medical
ISBN : 9782832548165
Diabetes is a metabolic disorder of chronic hyperglycemia that causes numerous complications. The International Diabetes Federation and World Health Organization report that approximately 537 million people worldwide have diabetes in 2021, which may increase to 700 million by 2045. Diabetes and its complications significantly lower the quality of life of patients and cause more than 4 million deaths yearly. Diabetes and its complications also increase premature mortality, increasing society's economic burden. Numerous studies reveal that the chronic multisystem injury and dysfunction can be caused by diabetes, including cardiac and cerebral vascular lesions, nephropathy, retinopathy and neuropathy. In addition, diabetes usually co-occurs with other diseases that may have certain risk factors in common. For example, patients with diabetes are more likely to have hypertension, chronic obstructive pulmonary disease, or asthma. However, there is still a lack of knowledge on the relationship between diabetes and other potential comorbidities such as hepatitis infection, hearing impairment and periodontal disease. Furthermore, common risk factors contributing to the pathogenesis of diabetes and comorbidities are far from fully understood. Several comorbidities (e.g., cardiovascular and cerebrovascular diseases) raise the extra chances of death in patients with diabetes, but the association between diabetes and mortality of other diseases, such as endometrial or kidney cancer, is inconsistent. Further research is still needed to reveal the excess mortality associated with diabetic comorbidities.
Author : Daniel M. Albert,Joan W. Miller,Dimitri T. Azar,Lucy H. Young
Publisher : Unknown
Page : 0 pages
File Size : 53,7 Mb
Release : 2022
Category : Electronic
ISBN : 3031039289
Keeping up to date with advances in comprehensive ophthalmology and in the ophthalmic sub-specialties is extremely difficult because of the accelerating rapidity with which new information and technology become available and the diminishing time and opportunity for practitioners and trainees to read and learn. The first edition of Albert and Jakobiec's Principles and Practice (1994) was conceived with the idea of utilizing an electronic, updated version in which the chapters were revised by the chapter authors on an annual or semi-annual basis, but the technology was not sufficiently advanced to achieve this goal. Subsequent editions (2000 and 2008) were organized by Saunders and the last published by Elsevier (of which Springer has obtained the complete rights to move forward with the 4th edition). For nearly three decades, this text has provided its readers with authoritative and comprehensive coverage of clinical ophthalmology, written and edited by a group of authors who represented a "Who's Who" in ophthalmology. By using Springer's Meteor platform, with its ability to allow authors and editors access to updating their chapters online annually/semi-annually, and with the recruitment of select chapter authors, this work's usefulness as the standard text in ophthalmology will be maintained and expanded upon by Springer. The 4th edition of this comprehensive and authoritative text is written by hundreds of the most distinguished authorities from around the world and edited by four leaders in the field, providing today's best answers to every question that arises in ophthalmology practice. Richly illustrated with thousands of high quality, full color, clinically-relevant images, Albert and Jakobiec's Principles and Practice of Ophthalmology, 4th Edition covers every scientific and clinical principle in ophthalmology, ensuring that the reader will always be able to find the guidance needed to diagnose and manage patients' ocular problems and meet today's standards of care. Written for practicing ophthalmologists and trainees, this book delivers in-depth guidance on new diagnostic approaches, operative techniques, and treatment options, as well as coherent explanations of new scientific concept and its clinical importance. The 4th edition will prove to be the source every practicing clinician needs to efficiently and confidently overcome any clinical challenge they may face. Updates include new chapters on anterior and posterior segment diseases, as well as chapters more focused on treatment, plus thousands of new, high-quality, color images and illustrations, updated references, and information on the most cutting-edge technology used by clinicians in their practices today. Additionally, readers will enjoy the same, user-friendly, full-color design they remember from the previous edition, complete with many at-a-glance summary tables, algorithms, boxes, and diagrams that allow the reader to locate the assistance needed more rapidly than ever. .
Author : Andrew G. Lee,Joshua Ong
Publisher : Academic Press
Page : 242 pages
File Size : 40,7 Mb
Release : 2022-07-16
Category : Medical
ISBN : 9780323915250
Prolonged microgravity exposure during long-duration spaceflight (LDSF) produces unusual physiologic and pathologic neuro-ophthalmic findings in astronauts. These microgravity-associated findings collectively define the Spaceflight Associated Neuro-ocular Syndrome (SANS). In this book, the editors compare and contrast prior published work on SANS by the National Aeronautics and Space Administration’s (NASA) Space Medicine Operations Division with retrospective and prospective studies from other research groups. The book describes the possible mechanisms and potential etiologies for SANS, and provides an update and review on the clinical manifestations of SANS including: unilateral and bilateral optic disc edema, globe flattening, choroidal and retinal folds, hyperopic refractive error shifts, and focal areas of ischemic retina (i.e., cotton wool spots). The ocular imaging findings (e.g., retinal nerve fiber layer, optic disc, and choroidal changes on optical coherence tomography) of SANS is also described, including the intraorbital and intracranial findings on orbital ultrasound and magnetic resonance imaging. The knowledge gaps for in-flight and terrestrial human research including potential countermeasures for future stud is also explored, including reports on the in-flight and terrestrial human and animal research being investigated by NASA and its partners to study SANS both prospectively and longitudinally and in preparation for future long duration manned missions to space including the moon, the asteroid belt, or Mars. We think this is a unique topic and hope that NASA and its research partners continue to study SANS in preparation for future longer duration manned space missions. Written in an easy-to-read manner, the book adopts a translational approach and explores the science and the clinical manifestations of Space flight associated neuro-ocular syndrome. It is also multi-disciplinary and suitable for both clinicians and researchers in ophthalmology, neurology, and aerospace medicine interested in SANS SANS is a unique space flight disorder that has no terrestrial equivalent. The book involves contributions from international experts across multiple disciplines to tackle the problem of SANS Summarizes and reviews the current findings of SANS, including possible mechanisms and potential etiologies, clinical manifestations, current reports on the in-flight and terrestrial human and animal research, and ocular imaging findings
Author : Sophie J. Bakr
Publisher : Rosetta Books
Page : 306 pages
File Size : 48,9 Mb
Release : 2021-10-05
Category : Health & Fitness
ISBN : 9780795353147
Many routine tasks depend on good eyesight, whether it’s choosing clothes to wear, preparing a meal, driving a car or searching the Internet. These tasks help maintain your well-being and quality of life. So, keeping your eyes healthy and preserving your vision are critical lifetime investments. Dangers to vision include common conditions such as age-related macular degeneration, glaucoma, diabetic retinopathy, and cataracts. Many eye injuries occur each year, some of which cause permanent vision loss. More than 170 million Americans wear eyeglasses or contact lenses to help them see better —and spend billions of dollar annually on eyewear. Despite these measures, more than 12 million people older than age 40 are visually impaired. Mayo Clinic Guide to Better Vision is written in a clear, conversational style, supported by illustrations, photographs, and tables. It is a practical resource for making the most of your vision: keeping your eyes healthy and your eyesight sharp at any age.
Author : Jane R. Madell,Carol Flexer
Publisher : Thieme
Page : 848 pages
File Size : 52,5 Mb
Release : 2013-11-07
Category : Medical
ISBN : 9781604068450
Written by pioneering experts in the field, this updated and expanded edition of Pediatric Audiology focuses on the practical application of audiology principles and protocols that audiologists and graduate students need to master. It features new chapters on vestibular testing of children, bone anchored hearing aids, and interpretation of audiologic test results, as well as describing in detail the red flags that audiologists should know to identify and manage the barriers to a childs optimal auditory development. Key Features: Videos with closed captioning, available online on Thiemes MediaCenter, demonstrate the clinical testing techniques discussed in the book Detailed explanations of test protocols enable audiologists and otolaryngologists to use audiologic data to make thoughtful and effective management decisions for infants and children with hearing loss Step-by-step guidelines on the diagnosis and treatment of pediatric hearing and balance disorders give students practical information they need and help practitioners accurately evaluate patients Graduate students in audiology will read this text cover to cover and practicing audiologists will frequently refer to it in their daily practice.
Author : David Oliver Relin
Publisher : The Experiment, LLC
Page : 549 pages
File Size : 49,8 Mb
Release : 2016-09-20
Category : Biography & Autobiography
ISBN : 9781615193639
Now in paperback: a #1 New York Times–bestselling author’s gripping chronicle of “two doctors . . . bringing light to those in darkness” (Time) Second Suns is the unforgettable true story of two very different doctors with a common mission: to rid the world of preventable blindness. Dr. Geoffrey Tabin was the high-achieving “bad boy” of his class at Harvard Medical School. Dr. Sanduk Ruit grew up in a remote village in the Himalayas, where cataract blindness—easily curable in modern hospitals—amounts to an epidemic. Together, they pioneered a new surgical method, by which they have restored sight to over 100,000 people—all for about $20 per operation. Master storyteller David Oliver Relin brings the doctors’ work to vivid life through poignant portraits of their patients, from old men who can once again walk treacherous mountain trails, to children who can finally see their mothers’ faces. The Himalayan Cataract Project is changing the world—one pair of eyes at a time.