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Cochlear Implants: Adult and Pediatric, An Issue of Otolaryngologic Clinics - E-Book

Cochlear Implants: Adult and Pediatric, An Issue of Otolaryngologic Clinics - E-Book

J. Thomas Roland Jr. | David S. Haynes

(2012)

Additional Information

Book Details

Abstract

Clinical information for Otolaryngologists is provided in topics that include:  Imaging and Anatomy; Genetics of Hearing Loss, Testing and Relevance to Cochlear Implantation; Candidacy Evaluation, Medical and Surgical Considerations, expanding criteria in Children; Surgical Technique and Accepted Variations in Children; Bilateral Cochlear Implantation; Implanting Obstructed and Malformed Cochleae; Device Programming NRT, NRI, Streamlined programming; Cochlear Implants and Music; Rehabilitation and Educational Considerations; Outcomes and Variables Affecting Outcomes; Language Development and Cochlear Implantation; New Frontiers in Cochlear Implantation, electroacoustic, hearing preservation, etc; Revision Cochlear Implantation in Children; and Current and Future Device Options.

Table of Contents

Section Title Page Action Price
Front Cover Cover
Otolaryngologic Clinics of North America i
Copyright Page ii
Table of Contents vii
Contributors iii
Cochlear Implants: An Evolving Technology xiii
Chapter 1. Imaging and Anatomy for Cochlear Implants 1
IMAGING AND ANATOMY CONSIDERATIONS FOR COCHLEAR IMPLANTATION 1
PREOPERATIVE IMAGING 1
SUMMARY 19
REFERENCES 19
Chapter 2. Genetic Approach to Evaluation of Hearing Loss 25
THE GENETICS REVOLUTION 25
GENETIC TERMINOLOGY, GENETIC VARIATIONS, EFFECTS OF VARIATIONS ON GENE FUNCTION, AND FORMS OF INHERITANCE 26
OVERVIEW OF GENETIC DISORDERS CAUSING HEARING LOSS 29
GENETIC INFORMATION AND TESTING RESOURCES 32
GENETIC APPROACH TO EVALUATING AND TESTING FOR HEARING LOSS 33
ETHICAL CONSIDERATIONS REGARDING GENETIC TESTING FOR HEARING LOSS 34
HOW GENETICISTS AND OTOLOGISTS CAN WORK TOGETHER 36
SUMMARY 38
ACKNOWLEDGMENTS 38
REFERENCES 38
Chapter 3. Pediatric Cochlear Implantation: Candidacy Evaluation, Medical and Surgical Considerations, and Expanding Criteria 41
PEDIATRIC CANDIDACY EVALUATION 41
SURGICAL CONSIDERATIONS 50
EXPANDING CRITERIA 57
SUMMARY 61
REFERENCES 62
Chapter 4. Surgical Techniques in Cochlear Implants 69
OVERVIEW OF SURGICAL TECHNIQUES FOR COCHLEAR IMPLANTS 69
EVOLUTION OF INCISIONS 70
SECURING THE COCHLEAR IMPLANT 71
MINIMALLY INVASIVE TECHNIQUES 72
COCHLEOSTOMY VERSUS ROUND WINDOW INSERTION 73
POSTOPERATIVE RADIOGRAPH/TELEMETRY.NEED OR NO NEED 75
SUMMARY 77
REFERENCES 77
Chapter 5. Bilateral Cochlear Implantation 81
UNILATERAL COCHLEAR IMPLANTATION 81
PERIPHERAL AND CENTRAL AUDITORY PROCESSING 81
BINAURAL SUMMATION 82
BINAURAL SQUELCH 83
HEAD SHADOW EFFECT 83
SPATIAL RELEASE FROM MASKING 83
SOUND LOCALIZATION 83
SPEECH RECOGNITION IN NOISE 84
QUALITY OF LIFE FOR BILATERAL VERSUS UNILATERAL COCHLEAR IMPLANTATION 84
SIMULTANEOUS VERSUS SEQUENTIAL SURGERY FOR BILATERAL COCHLEAR IMPLANTATION 84
SURGICAL PROCEDURE FOR BILATERAL COCHLEAR IMPLANTATION 85
SUMMARY 86
REFERENCES 86
Chapter 6. Implanting Obstructed and Malformed Cochleae 91
THE OSSIFIED COCHLEA 91
DYSPLASTIC COCHLEAE 98
SUMMARY 107
REFERENCES 107
Chapter 7. Cochlear Implant Programming 111
GENERAL DEVICE PROGRAMMING 112
DEVICE-SPECIFIC PROGRAMMING PARAMETERS 116
MANAGING PROGRAMMING CONCERNS 121
MANAGING DEVICE FAILURE 121
FOLLOW-UP PROGRAMMING 124
FUTURE OF COCHLEAR IMPLANT PROGRAMMING 124
REFERENCES 125
Chapter 8. Current Research on Music Perception in Cochlear Implant Users 129
OVERVIEW OF RECENT STUDIES 129
METHODS OF ASSESSMENT: THE DEVELOPMENT OF MUSIC PERCEPTION TESTS FOR CI LISTENERS 130
TOWARD A MORE SPECIFIC CHARACTERIZATION OF MUSICAL DEFICITS 132
NEURAL MECHANISMS OF MUSIC PERCEPTION IN CI USERS 135
FUTURE DIRECTIONS 137
REFERENCES 137
Chapter 9. Rehabilitation and Educational Considerations for Children with Cochlear Implants 141
OVERVIEW OF DEAF EDUCATION 142
FACTORS INFLUENCING REHABILITATION AND EDUCATION 144
COMMON SCENARIOS AND REHABILITATION PLANS 149
SUMMARY 151
REFERENCES 151
Chapter 10. Outcomes in Cochlear Implantation: Variables Affecting Performance in Adults and Children 155
COCHLEAR IMPLANTS AND POSTIMPLANTATION PERFORMANCE 155
IMPLANT TECHNOLOGY 157
NEURONAL CELL PHYSIOLOGY AND FUNCTION: AGE AT IMPLANTATION, DURATION OF DEAFNESS/AUDITORY DEPRIVATION, AUDITORY PLASTICITY, AUDITORY PATHWAY DEVELOPMENT 159
MULTIPLE DISABILITIES, INCLUDING AUTISM, AN/AD 161
MEDICAL/SURGICAL ISSUES, INCLUDING ANATOMIC ABNORMALITIES, MENINGITIS, AND CHARGE SYNDROME 164
PREOPERATIVE FUNCTION: HEARING LEVEL AND AUDITORY SPEECH PERFORMANCE 165
MODE OF COMMUNICATION, EDUCATION/REHABILITATIVE ENVIRONMENT 165
SOCIAL FACTORS, INCLUDING SOCIOECONOMIC STATUS, PARENT/FAMILY EXPECTATIONS, AND MOTIVATION 166
SUMMARY 167
REFERENCES 167
Chapter 11. Language Outcomes After Cochlear Implantation 173
LANGUAGE ACQUISITION IN CHILDREN WITH CIS 173
LITERACY SKILLS IN CHILDREN WITH CIS 177
AUDITORY REHABILITATION AFTER COCHLEAR IMPLANTATION 178
PREMISES 1 AND 2: OVERARCHING GOALS 178
PREMISES 3, 4, 5: THE LEARNING ENVIRONMENT 179
PREMISES 6 TO 10: CONTENT AND EXPERIENCE 181
PREMISES 11 AND 12: MONITORING PROGRESS 182
REFERENCES 183
Chapter 12. New Frontiers in Cochlear Implantation: Acoustic Plus Electric Hearing, Hearing Preservation, and More 187
ELECTRIC AND ACOUSTIC HEARING 188
BENEFITS OF ACOUSTIC AND ELECTRIC PROCESSING 193
SURGICAL TECHNIQUE FOR HEARING PRESERVATION 197
CANDIDACY/INDICATIONS FOR HYBRID-TYPE COCHLEAR IMPLANTATION 200
SUMMARY 200
ACKNOWLEDGMENTS 201
REFERENCES 201
Chapter 13. Revision Cochlear Implantation in Children 205
INDICATIONS 206
OUTCOMES OF REVISION COCHLEAR IMPLANTATION 211
SURGICAL CONSIDERATIONS 213
FUTURE CONSIDERATIONS 215
SUMMARY 215
REFERENCES 215
Chapter 14. Cochlear Implantation: Current and Future Device Options 221
HISTORY OF COCHLEAR IMPLANT DEVELOPMENT 222
CURRENT IMPLANT SYSTEMS 223
RECENT ADVANCEMENTS 237
DEVELOPING STRATEGIES AND TECHNOLOGIES 239
FUTURE CHALLENGES 241
SUMMARY 243
REFERENCES 243
Index 249