Acoustics And Perception Of Wet Vocal Quality In Identifying Penetration Aspiration During Swallowing
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Acoustics And Perception Of Wet Vocal Quality In Identifying Penetration Aspiration During Swallowing
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Author : Kathy Groves Wright
language : en
Publisher:
Release Date : 2007
Acoustics And Perception Of Wet Vocal Quality In Identifying Penetration Aspiration During Swallowing written by Kathy Groves Wright and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
The present study is an investigation into the association between "wet" vocal quality and prandial material in the larynx during phonation. The presence of such prandial material is indicative of oropharyngeal dysphagia and results from entry of material into the laryngeal vestibule during swallowing. The study has two primary aims: (1) to assess whether acoustic parameters can signify prandial material in the larynx during phonation; (2) to determine whether clinicians reliably perceive a "wet" vocal quality when this condition occurs. Results show that material in the larynx produces reliable acoustic consequences, including elevated measures of perturbation and signal noise and reduced amplitude of H1 relative to H2. Also, it can generate a characteristic frequency and amplitude modulation in the sound pressure waveform that is highly specific to the presence of material in the larynx during phonation. Results further show that "wet" vocal quality is not reliably perceived by clinicians when material is in the larynx during phonation, and that there is a high degree of interrater variability for perceptual judgments of "wetness". Overall, acoustic information can be useful in the clinical identification of individuals with penetration or aspiration during swallowing, and it is more reliable in detecting this condition than perceptual judgments of vocal quality. Results also indicate that there is likely to be more than one voice quality percept associated with material in the larynx, and that clinician training might increase the accuracy and reliability of perceptual judgments.
Acoustic Voice Analysis In Patient With Dysphagia
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Author : Ho wook Kim
language : en
Publisher:
Release Date : 2017
Acoustic Voice Analysis In Patient With Dysphagia written by Ho wook Kim and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Introduction: Penetration and aspiration(P/A) might result in some residue in the vocal folds and alter the voice quality. These changes on the vocal folds will be reflected in the acoustic voice parameters.Purpose: The purpose of this study was to investigate feasibility of voice acoustic parameters on penetration/aspiration.Method: Twenty six patients who were taken under video fluoroscopic swallowing study (VFSS) were categorized into two groups.10 patients were included in the Non-P/A group, and 13 patients in the P/A group.A sustained vowel /a/ for at least 2 seconds was recorded before and after VFSS, and was analyzed using Multi-Dimensional Voice Program. Acoustic voice parameters included five; mean F0, relative average perturbation (RAP), Shimmer, noise-to-harmonic ratio (NHR), and voice turbulence index (VTI). Independent t tests were used to compare the differences in 5 acoustic voice parameters between the NonP/A and the P/A groups. Pre- and post-VFSS acoustic parameters within each group were evaluated with paired t test. Logistic regression was preformed to explore whether acoustic voice parameters can identify the presence of P/A.Results: In the P/A group after VFSS, the values of mF0(in male), RAP, Shimmer, NHR were increasing, but the values of mF0 (in female) and VTI were decreasing. Significant change was noted in the VTI parameter between two groups (p=0.028). Within the Non-P/A group, NHR (p=0.031) parameter had significant change after VFSS however, there was no significant difference within the P/A group. For both male and female, classification accuracy was 100% by enter method with five acoustic parameters.Conclusion: Acoustic voice analysis may be alternative evaluation for dysphagia. Also, the combination of several acoustic parameters may be screening tool for swallowing disorders.
Voice Quality As A Predictor Of Dysphagia
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Author :
language : en
Publisher:
Release Date : 2021
Voice Quality As A Predictor Of Dysphagia written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
The clinical swallowing evaluation (CSE) is a non-instrumental exam that informs speech-language pathologists about a patient's cognition, readiness for instrumental evaluation, and swallowing symptoms. Because of the common neuroanatomy and physiology of the larynx during voicing and swallowing tasks, coughing or throat clearing after food and drink may indicate swallowing impairment. Also because of the shared mechanisms of the larynx, some clinicians also attribute voice changes after swallowing to dysphagia although many studies to date demonstrate conflicting results on the effectiveness of post-prandial voice assessment. The aim of this study was to assess if dysphonia and/or voice change after swallowing is indicative of a swallowing disorder. Thirty-nine adults between the ages of 49-97 years were audio recorded completing a sustained vowel and sentence prior to a videofluoroscopic swallowing study (VFSS) and again after swallowing each bolus. Swallowing function was categorized with a revised Penetration-Aspiration Scale, and pharyngeal residue was measured with the Normalized Residue Ratio Scale (NRRS). Two hundred and fifty voice samples were measured acoustically and perceptually. Acoustic measures of interest included mean fundamental frequency, relative average perturbation, and noise-to-harmonic ratio. Following listener training, perceptual analysis of the voice samples was completed by three speech-language pathologists using the Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V). Results indicated that baseline dysphonia was associated with greater instances of penetration and/or aspiration. Speech-language pathologists perceptually identified a change in the voice when there was a change in the acoustic signal; however, perceptually-identified voice change after swallowing was not related to dysphagia. Based on these results, dysphonia during a CSE should alert speech-language pathologists of a possible comorbid dysphagia; however, voice change after swallowing appears unrelated to airway invasion.
Comprehensive Management Of Swallowing Disorders Second Edition
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Author : Ricardo L. Carrau
language : en
Publisher: Plural Publishing
Release Date : 2016-09-01
Comprehensive Management Of Swallowing Disorders Second Edition written by Ricardo L. Carrau and has been published by Plural Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-01 with Medical categories.
Comprehensive Management of Swallowing Disorders, Second Edition has been revised with new authors and expanded information on the clinical evaluations made by dysphagia specialists and with state-of-the-art medical, behavioral, and surgical treatment options. The editors have selected specialists in every swallowing-related discipline to bring this edition to a true "state-of-the-art" comprehensive text on dysphagia. The text meets the needs of students, scientists, and practitioners who are involved daily with the complex issues of dysphagia. It is divided into seven main parts: Part I. IntroductionPart II. Anatomy and Physiology of SwallowingPart III. Evaluation: A. Clinical EvaluationPart III. Evaluation: B. Functional TestsPart IV. Pathophysiology of Swallowing DisordersPart V. Nonsurgical Treatment of Swallowing DisordersPart VI. Surgical Treatment of Swallowing DisordersPart VII. Swallowing Disorders: Prevalence and Management in Special Populations Each section has been carefully edited with up-to-date references and provides the reader with a host of new material related to diagnosis, testing, and management of swallowing disorders. The authors represent the current core of those involved in multidisciplinary swallowing centers, and each focuses on his or her area of specialization. They bring their own perspective on the issues and challenges they face in managing swallowing disorders, knowing that other specialists are equally involved. This single volume is intended for practicing clinicians, students, and research scientists and represents up-to-date information in each area of specialization. Special Features: Details extensive discussions of normal swallow in pediatric and adult populationsProvides concise outlines of specific clinical examinations by seven clinical specialists: Otolaryngology, Speech Pathology, Rehabilitation Medicine, Neurology, Gastroenterology, Pediatrics, and NutritionDescribes a variety of treatments offered by many different specialties, including prosthodontists, speech-language pathologists, infectious disease specialists, and pediatriciansBrings issues of diet and nutrition up to date within the international dysphagia diet guidelinesFeatures a multidisciplinary team approach blended throughout the text that reflects the needs of the patients with swallowing disorders
Ambient Assisted Living
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Author : Niccolò Casiddu
language : en
Publisher: Springer
Release Date : 2019-01-30
Ambient Assisted Living written by Niccolò Casiddu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-30 with Technology & Engineering categories.
This book documents the state of the art in the field of ambient assisted living (AAL), highlighting the impressive potential of novel methodologies and technologies to enhance well-being and promote active ageing. It covers a broad range of topics, with sections on technological sensors and platforms, social robotics for assistance, assistance and care applications, health and medical support methodologies and technologies, as well as the analysis, modelling and design of AAL services. The book comprises a selection of the best papers presented at the 8th Italian Forum on Ambient Assisted Living (ForitAAL 2017), which was held in Genoa, Italy, in June 2017 and brought together researchers, technology teams and professional associations, as well as representatives of the Italian regions and advisors to the Italian Ministry of Education, University and Research, with the goal of developing a consensus on how to improve provisions for the elderly and impaired. The respective contributions offer valuable insights into how the latest advances can help address the needs of the elderly and those with chronic health conditions. They also underscore the need for AAL to continue moving toward multidisciplinary integration, so as to embrace the various disciplines that place the user of services at the centre of the design process.
The Yale Swallow Protocol
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Author : Steven B. Leder
language : en
Publisher: Springer
Release Date : 2014-05-14
The Yale Swallow Protocol written by Steven B. Leder and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-14 with Medical categories.
The Yale Swallow Protocol is an evidence-based protocol that is the only screening instrument that both identifies aspiration risk and, when passed, is able to recommend specific oral diets without the need for further instrumental dysphagia testing. Based upon research by Drs. Steven B. Leder and Debra M. Suiter, an easily administered, reliable and validated swallow screening protocol was developed and can be used by speech-language pathologists, nurses, otolaryngologists, oncologists, neurologists, intensivists and physicians assistants. In addition, the protocol can be used in a variety of environments, including acute care, rehabilitation and nursing homes. The Yale Swallow Protocol meets all of the criteria necessary for a successful screening test, including being simple to administer, cross-disciplinary, cost effective, acceptable to patients and able to identify the target attribute by giving a positive finding when aspiration risk is present and a negative finding when aspiration risk is absent. Additionally, early and accurate identification of aspiration risk can significantly reduce health-care costs associated with recognized prandial aspiration.
Pediatric Swallowing And Feeding
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Author : Joan C. Arvedson
language : en
Publisher: Plural Publishing
Release Date : 2019-07-26
Pediatric Swallowing And Feeding written by Joan C. Arvedson and has been published by Plural Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-26 with Medical categories.
Pediatric Swallowing and Feeding: Assessment and Management, Third Edition provides information to practitioners interested in and involved with children who demonstrate swallowing and feeding disorders. Since the 2002 publication of the second edition, there has been an exponential increase in the number of medically fragile and complex children with swallowing/feeding disorders. A corresponding proliferation in the related basic and clinical research has resulted in the increased appreciation of the complicated inter-relationships between structures and systems that contribute to swallowing/feeding development, function, and disorders. Case studies throughout the book provide examples for decision making and highlight salient points. New to the Third Edition: * Maureen A. Lefton-Greif, PhD, CCC-SLP, BCS-S, is welcomed as co-editor. She brings extensive research expertise and clinical practice in pediatric dysphagia and feeding. * All chapters contain significant updated evidence-based research and clinical information. * New chapters focus on the genetic testing and conditions associated with swallowing and feeding disorders, and the pulmonary manifestations and management of aspiration. * World Health Organization (WHO) description of an International Classification of Functioning, Disability, and Health (ICF) sets the stage for an in-depth discussion of clinical feeding evaluation procedures, interpretation, and management decision making. Pediatric Swallowing and Feeding continues to be the leading text on pediatric dysphagia that provides practical information for clinicians seeing children with swallowing and feeding disorders. The overall importance of an appropriate fund of knowledge and shared experience employing team approaches is emphasized throughout this third edition as in the earlier editions of this book. From the Foreword: "The Editors have recognized the advances and changes in the understanding in the information now available for the care of pediatric swallowing and feeding challenges. They have recruited an outstanding group of contributors for this newest edition. There are numerous critically important updates and additions in the third edition. They have included World Health Organizations International Classification of Functioning, Disability and Health is the functional basis in all areas of the book. This text has its importance as there has been an increased number of children with complex medical and healthcare conditions which are risk for feeding and swallowing disorders. This edition stresses the need for team approaches and also documents the use of “virtual” teams ...Pediatric Swallowing and Feeding: Assessment and Management, Third Edition is the fundamental holistic source for all healthcare providers providing the care for swallowing and feeding in children. This book will be utilized by all caring for children with feeding and swallowing problems throughout the world. The previous editions have been and now this updated third edition continues to be the standard source for the information concerning diagnosis and care of these children." —Robert J. Ruben, MD, FAAP, FACS Distinguished University Professor Departments of Otorhinolaryngology – Head and Neck Surgery and Pediatrics Albert Einstein College of Medicine Montefiore Medical Center Bronx, New York
Neurogenic Dysphagia
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Author : Tobias Warnecke
language : en
Publisher: Springer Nature
Release Date : 2021-03-05
Neurogenic Dysphagia written by Tobias Warnecke and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-05 with Medical categories.
This book is a clinical manual that covers the whole spectrum of swallowing and its disorders. It starts with physiology of swallowing, pathophysiology of disordered deglutition, diagnostic methods (clinical and instrumental) and ends with an in-depth’s and up-to-date presentation of current treatment options. The clinically most relevant topics of dysphagia management on the stroke unit and the intensive care unit are dealt with in separate chapters. Also the closely intertwined issue of nutritional management is specifically addressed. Most importantly, the book covers all obligatory topics of the Flexible Endoscopic Evaluation of Swallowing (FEES)-curriculum, an educational initiative that started in Germany in 2014 and is currently being extended to other European and non-European countries. The book is richly illustrated and an online video section provides a number of typical patient cases. FEES is probably the most commonly chosen method for the objective assessment of swallowing and its disorders. It is used in stroke units, intensive care facilities, geriatric wards but also in rehabilitation clinics and within dedicated outpatient services. This book on neurogenic dysphagia therefore addresses a wide range of different medical disciplines, such as neurologists, geriatricians, intensive care physicians, rehabilitation physicians, gastroenterologists, otolaryngologists, phoniatrists and also speech-language pathologists.
Stepping Stones To Living Well With Dysphagia
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Author : Julie A. Y. Cichero
language : en
Publisher: Karger Medical and Scientific Publishers
Release Date : 2012
Stepping Stones To Living Well With Dysphagia written by Julie A. Y. Cichero and has been published by Karger Medical and Scientific Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Medical categories.
A multidisciplinary approach to diagnosis, treatment and care Oropharyngeal dysphagia is a major complaint among many patients suffering from neurological diseases as well as in the elderly. Its severity ranges from moderate difficulty to complete inability to swallow, and it may give rise to clinically relevant complications such as aspiration pneumonia, malnutrition and/or dehydration, impaired quality of life, and death. However, despite its high prevalence and even though it would be very cost-effective to avoid complications by adequate treatment, dysphagia is still severely underdiagnosed. The contributions in this book present and discuss state-of-the-art diagnostic methods, treatment, and care of dysphagia patients, putting special emphasis on a multidisciplinary approach. A variety of clinical specialists will find this publication a most valuable addition to their library, including nurses, speech-language pathologists, dieticians, nutritionists, gastroenterologists and related specialties.
Cerebral Palsy
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Author : Freeman Miller
language : en
Publisher: JHU Press
Release Date : 2006-05-08
Cerebral Palsy written by Freeman Miller and has been published by JHU Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-05-08 with Health & Fitness categories.
When a child has a health problem, parents want answers. But when a child has cerebral palsy, the answers don't come quickly. A diagnosis of this complex group of chronic conditions affecting movement and coordination is difficult to make and is typically delayed until the child is eighteen months old. Although the condition may be mild or severe, even general predictions about long-term prognosis seldom come before the child's second birthday. Written by a team of experts associated with the Cerebral Palsy Program at the Alfred I. duPont Hospital for Children, this authoritative resource provides parents and families with vital information that can help them cope with uncertainty. Thoroughly updated and revised to incorporate the latest medical advances, the second edition is a comprehensive guide to cerebral palsy. The book is organized into three parts. In the first, the authors describe specific patterns of involvement (hemiplegia, diplegia, quadriplegia), explain the medical and psychosocial implications of these conditions, and tell parents how to be effective advocates for their child. In the second part, the authors provide a wealth of practical advice about caregiving from nutrition to mobility. Part three features an extensive alphabetically arranged encyclopedia that defines and describes medical terms and diagnoses, medical and surgical procedures, and orthopedic and other assistive devices. Also included are lists of resources and recommended reading.