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Concussion in Sports, An Issue of Physical Medicine and Rehabilitation Clinics of North America, E-Book

Concussion in Sports, An Issue of Physical Medicine and Rehabilitation Clinics of North America, E-Book

Scott R. Laker

(2016)

Additional Information

Book Details

Abstract

CDC estimates reveal that 1.6 million to 3.8 million concussions occur each year. This issue will include topics such as pathophysiology, imagine, rturn to learn programs and long-term consequences of concussions.


Table of Contents

Section Title Page Action Price
Front Cover Cover
Concussion in Sports\r i
Copyright\r ii
Contributors iii
CONSULTING EDITOR iii
EDITOR iii
AUTHORS iii
Contents vii
Foreword: It Takes a Team Effort\r vii
Preface: Concussion in Sports \r vii
The Molecular Pathophysiology of Concussive Brain Injury – an Update\r vii
Sideline Management of Concussion\r vii
Neuroimaging of Concussion\r vii
Returning to School Following Sport-Related Concussion\r vii
Active Rehabilitation of Concussion and Post-concussion Syndrome\r viii
Managing Patients with Prolonged Recovery Following Concussion\r viii
The Role of Neuropsychological Evaluation in the Clinical Management of Concussion\r viii
Retirement and Activity Restrictions Following Concussion\r viii
Potential Long-Term Consequences of Concussive and Subconcussive Injury\r ix
Effects of Legislation on Sports-Related Concussion\r ix
PHYSICAL MEDICINE AND REHABILITATION CLINICS OF NORTH AMERICA \r x
FORTHCOMING ISSUES x
August 2016 x
November 2016 x
February 2017 x
May 2017 x
RECENT ISSUES x
February 2016 x
November 2015 x
August 2015 x
May 2015 x
Forword: It Takes a Team Effort\r xi
Preface: Concussion in Sports\r xiii
The Molecular Pathophysiology of Concussive Brain Injury – an Update 373
Key points 373
INTRODUCTION 374
NEUROMETABOLIC CASCADE OF CONCUSSION 375
GLUTAMATE RELEASE AND IONIC FLUX 376
GLUCOSE METABOLISM AND MITOCHONDRIAL EFFECTS 376
CEREBRAL BLOOD FLOW 377
AXONAL INJURY AND DIFFUSION TENSOR IMAGING 378
ALTERED BRAIN ACTIVATION 380
ACUTE RESPONSES TO REPEAT CONCUSSION 382
POTENTIAL FOR CUMULATIVE INJURY AND CHRONIC SEQUELAE 383
PITUITARY DYSFUNCTION 384
SUMMARY 385
REFERENCES 385
Sideline Management of Concussion 395
Key points 395
INTRODUCTION 395
PHYSICAL EXAMINATION 396
Watch for Any of the Following Problems 397
An Example of Take Home Instructions 397
SYMPTOM CHECKLIST 397
Somatic 398
Cognitive 398
Affective 398
Sleep 398
MADDOCKS QUESTIONS 399
STANDARDIZED ASSESSMENT OF CONCUSSION 399
BALANCE ERROR SCORING SYSTEM 400
SPORT CONCUSSION ASSESSMENT TOOL 402
SENSORY ORGANIZATION TEST 402
KING-DEVICK 403
REACTION TIME 403
ELECTROENCEPHALOGRAPHY 404
VIRTUAL REALITY 405
HEAD IMPACT SENSORS 405
NEUROPSYCHIATRIC TESTING 406
DISCUSSION/SUMMARY 406
REFERENCES 407
Neuroimaging of Concussion 411
Key points 411
INTRODUCTION 411
DECIDING WHEN/IF TO IMAGE THE CONCUSSED PATIENT 412
STRUCTURAL IMAGING: EXCLUDING ACUTE TRAUMATIC BRAIN INJURIES 413
Computed Tomography 413
Magnetic Resonance Imaging 413
ADVANCED AND EXPERIMENTAL IMAGING TECHNIQUES FOR THE EVALUATION OF CONCUSSION 415
Ultra-High Field Structural Imaging 416
Diffusion Tensor Imaging 417
Functional MRI 418
Perfusion Imaging 419
Perfusion computed tomography 419
Perfusion MRI 420
Single-photon emission computed tomography 420
Positron Emission Tomography 421
Magnetic Resonance Spectroscopy 421
SUMMARY 422
REFERENCES 423
Returning to School Following Sport-Related Concussion 429
Key points 429
INTRODUCTION 429
RECOMMENDATIONS FOR RETURN TO SCHOOL FOLLOWING INJURY 431
SUMMARY 435
DECLARATION OF CONFLICTING INTERESTS 435
ACKNOWLEDGMENTS 436
REFERENCES 436
Active Rehabilitation of Concussion and Post-concussion Syndrome 437
Key points 437
INTRODUCTION 437
DEFINITION OF CONCUSSION 438
DEFINITION OF POST-CONCUSSION SYNDROME 438
NONPHARMACOLOGIC TREATMENT APPROACHES 439
Acute Concussion 439
Rest 439
Return to normal activity 440
Post-concussion Syndrome 441
Rest 441
Athletes 442
Active rehabilitation for post-concussion syndrome 442
Psychosocial factors and cognitive rehabilitation 442
Psychoeducational intervention 442
Psychological intervention 443
Cognitive rehabilitation 443
Physical therapy 444
Vestibular therapy 445
Ocular therapy 445
Aerobic exercise therapy 446
The Buffalo Concussion Treadmill Test 446
SUMMARY 448
REFERENCES 448
Managing Patients with Prolonged Recovery Following Concussion 455
Key points 455
INTRODUCTION 455
PATHOPHYSIOLOGY 456
RISK FACTORS FOR PROLONGED RECOVERY 456
EFFECTS OF MULTIPLE CONCUSSIONS 458
EVALUATION 459
GENERAL TREATMENT PRINCIPLES 460
Sleep 460
Headache 461
Vestibular/Vision Dysfunction 463
Emotional 464
Cognitive 464
SUMMARY 466
REFERENCES 466
The Role of Neuropsychological Evaluation in the Clinical Management of Concussion 475
Key points 475
INTRODUCTION 475
NATURAL CLINICAL HISTORY 476
RISK FACTORS FOR PROLONGED RECOVERY 476
CONSIDERATIONS IN CLINICAL NEUROPSYCHOLOGICAL EVALUATIONS 477
Baseline Testing 477
Computerized Testing 477
Validity Testing 478
TIMELINE FOR NEUROPSYCHOLOGICAL EVALUATION 478
COMPONENTS OF NEUROPSYCHOLOGICAL EVALUATION 479
Assessment Instruments 479
Neuropsychological Management Recommendations 480
Return to Play 480
Pediatric Considerations 481
SUMMARY 481
REFERENCES 481
Retirement and Activity Restrictions Following Concussion 487
Key points 487
INTRODUCTION 487
EPIDEMIOLOGY 488
PAST AND CURRENT RECOMMENDATIONS 488
PROLONGED SYMPTOMS 490
CUMULATIVE EFFECTS OF CONCUSSION 491
Neuropsychological Testing 492
MODIFYING FACTORS 494
PEDIATRIC ATHLETES 494
DISCUSSION 495
REFERENCES 498
Potential Long-Term Consequences of Concussive and Subconcussive Injury 503
Key points 503
CLINICAL SIGNS AND SYMPTOMS OF CHRONIC TRAUMATIC ENCEPHALOPATHY 504
CLINICAL DIAGNOSIS OF CHRONIC TRAUMATIC ENCEPHALOPATHY 505
BIOMARKERS 505
NEUROPATHOLOGY OF CHRONIC TRAUMATIC ENCEPHALOPATHY 506
Gross Abnormality 506
Microscopic Abnormality 506
Staging of Chronic Traumatic Encephalopathy 506
Relationship of Tau Abnormality to Trauma 507
β-Amyloid 507
TDP-43 508
RISK AND PROTECTIVE FACTORS 508
SUMMARY 508
REFERENCES 509
Effects of Legislation on Sports-Related Concussion 513
Key points 513
INTRODUCTION 513
EDUCATION 514
REMOVAL FROM PLAY 515
RETURN TO PLAY 515
CHALLENGES IN EDUCATION 516
CHALLENGES IN ATHLETE REPORTING 516
CHALLENGES IN IMPLEMENTATION 517
COSTS OF IMPLEMENTATION 517
HEALTH CARE UTILIZATION 517
LEGAL LIABILITY 518
VARIATIONS ACROSS STATES 519
CHANGES TO STATE LAWS 522
SUCCESS OF THE LAW 522
FUTURE OPPORTUNITIES 522
SUMMARY 523
REFERENCES 523
Index 529