Demyelinating Disorders of the Central Nervous System in Childhood

Author: Dorothée Chabas; Emmanuelle L. Waubant  

Publisher: Cambridge University Press‎

Publication year: 2011

E-ISBN: 9781139064859

P-ISBN(Paperback): 9780521763493

Subject: R748 child neurology

Keyword: 神经病学与精神病学

Language: ENG

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Demyelinating Disorders of the Central Nervous System in Childhood

Description

Although multiple sclerosis and other disorders of myelin formation and repair are most commonly associated with adults, they can also occur in infants, children and adolescents. Up to 5 percent of those with MS experience symptoms before the age of 18, and the number of cases diagnosed is rising. There is a lack of awareness about these diseases in childhood, however, even amongst pediatric neurologists and MS specialists. Demyelinating Disorders of the Central Nervous System in Childhood provides comprehensive coverage of these diseases, highlighting throughout the differences between management in childhood and in adults. With sections dedicated to the diagnosis, course, treatment and biology of pediatric MS, detailed chapters on other childhood demyelinating diseases, including acute disseminated encephomyelitis, optic neuritis, acute complete transverse myelitis and neuromyelitis optica, are also provided. Essential reading for pediatric neurologists and MS specialists, this book will also be valuable reading for adult neurologists and pediatricians.

Chapter

Controversies around the criteria of dissemination in time

MS with an initial ADEM-like episode

Recurrent and multiphasic ADEM versus MS

Differentiation of prepubertal versus postpubertal MS

Lack of a core work-up to rule out mimicking diseases

Conclusion

References

Section 1: Pediatric MS Diagnosis

Chapter 3: Epidemiology of pediatric multiple sclerosis: incidence, prevalence, and susceptibility risk factors

Incidence and prevalence

Retrospective studies: historic difficulties and limitations

Prospective studies, registry- and population-based surveys

Canada

USA

Japan

Europe

Germany

Italy

Comparison with ADEM

Demographic characteristics

Gender ratio

Age at onset

Extremely early onset MS

Pre-school children

Prepubertal children

Adolescents

Geographic distribution and race

Birth place, place of residency, and role of migration

Family history of demyelinating disorders

Environmental risk factors for childhood MS

Infectious agents

Herpesviridae family

Epstein-Barr virus

Varicella zoster virus

Herpesviridae and other neurotropic viruses

Other microorganisms

Chlamydia pneumoniae

Vaccinations

Hepatitis B (HB) vaccine

Passive smoking

Childhood and adolescent obesity

Conclusions

References

Chapter 4: Clinical presentation of multiple sclerosis in children

Methodological aspects

Classification of clinical features

Age

Duration of observation

Definition of disease onset

Clinical features

Relapse-related symptoms

Age-related influences on clinical presentation and relapses

Chronic symptoms

Clinical outcomes

Future directions

References

Chapter 5: MRI features of pediatric multiple sclerosis

MRI protocol for MS

MRI findings in children with MS

Application of adult MRI criteria in children with MS

Proposed MRI criteria for children

Predictive value of MRI for the diagnosis of MS in children

Prognostic value of MRI

Differential diagnosis

Non-conventional MRI methods

Conclusion

References

Chapter 6: Differential diagnosis of multiple sclerosis and acquired central nervous system demyelinating disorders in children and adolescents

Systemic inflammatory disorders

Systemic lupus erythematosus (SLE)

Sarcoidosis

Behçet syndrome

Scleroderma

Primary or isolated CNS vasculitis

Infections

Tuberculosis

Human immunodeficiency virus (HIV)

HTLV

Progressive multifocal leukoencephalopathy (PML)

Herpesvirus/family

Neuroborreliosis (Lyme disease)

Mycoplasma

Whipples disease

CNS fungal infections

Neurocysticercosis

Neoplasms

CNS lymphoma

Optic pathway gliomas

Leukodystrophies

Adrenoleukodystrophy (ALD)

Krabbes disease

Metachromatic leukodystrophy (MLD)

Pelizaeus-Merzbacher disease (PMD)

Childhood ataxia with diffuse CNS hypomyelination (vanishing white matter disease)

Alexanders disease

Mitochondrial disorders

Vascular disorders

CADASIL

SUSAC syndrome

Migraine and hemoglobinopathies

Other rare vasculitides involving the CNS in children

Other disorders leading to MRI brain abnormalities

Celiac disease

Histiocytosis

Toxic/medication-related

Summary

Differential diagnosis key points

References

Section 2: Pediatric MS Course and Treatment

Chapter 7: Pediatric multiple sclerosis course and predictive factors

Course of the disease

Methodological considerations

Disease onset (clinical, biological, radiological)

Initial symptoms

Biological findings at onset

Magnetic resonance imaging (MRI) findings at onset

Initial course

Course of the disease

Symptom severity at disease onset

Symptom recovery at disease onset

Time from onset of MS to the second neurological episode (including predictors of a shorter time to second episode)

Relapses (including relapse rate, location, and recovery)

Evolution to the secondary progressive phase

Time to secondary progression

Prognostic factors of secondary progression (clinical, paraclinical)

Influence of environmental and genetic factors on the course of the disease

Prognosis

Methodological considerations

Development of irreversible disability

Time to disability milestones (limitation of ambulation, use of assistive devices)

Prognostic factors of disability (clinical, paraclinical)

Development of cognitive problems

Conclusion

Acknowledgments

References

Chapter 8: Plasma exchange and IV immunoglobulin for acute demyelinating relapses

Conclusion

References

Chapter 9: Corticosteroids in pediatric multiple sclerosis relapses

Mechanism of action

Use in adults

Dosing regimen

Side effects

Conclusions

References

Chapter 10: Disease-modifying therapy and response to first-line treatment in pediatric multiple sclerosis

First-line disease-modifying therapies in pediatric MS

Interferon beta

Neutralizing antibodies

Glatiramer acetate

Breakthrough disease

References

Chapter 11: Treatment of breakthrough disease

Goals of breakthrough therapy in pediatric MS

Definition of breakthrough disease

Breakthrough therapies

Second-line drugs approved in adult MS

Natalizumab

Mitoxantrone

Drugs approved in other indications

Cyclophosphamide

Methotrexate

Mycophenolate mofetil

Monoclonal antibodies

Rituximab

Alemtuzumab

Daclizumab

Corticosteroids

Combination therapies

Interferon beta and glatiramer acetate

Interferon beta and methylprednisolone

Interferon beta and azathioprine

Interferon beta and mitoxantrone

Interferon beta and natalizumab

Conclusions

References

Chapter 12: Symptomatic therapy in pediatric multiple sclerosis

Evaluation and care of patients with visual abnormalities

Optic neuritis

Internuclear ophthalmoplegia (INO)

Nystagmus

Evaluation of visual function

Management of visual dysfunction

Non-pharmacologic interventions for visual dysfunction

Pharmacologic management of visual symptoms

Evaluation and care of speech and swallowing difficulties

Evaluation and management of motor, gait, and coordination difficulties

Spasticity and weakness

Gait and coordination difficulties

Evaluation of motor and coordination abnormalities

BOT-2

Standardized test for upper extremity function/coordination

Management of motor and coordination difficulties

Spasticity

Non-pharmacologic treatment for spasticity

Pharmacologic treatment of spasticity

Ataxia and tremor

Non-pharmacological intervention

Pharmacological treatment of ataxia and tremor

Evaluation and care of bladder and bowel symptoms

Bladder dysfunction

Evaluation and management of the neurogenic bladder

Bowel dysfunction

Evaluation and care of the neurogenic bowel

Sensory symptoms - pain and paroxysmal symptoms

Management of specific pain syndromes

Systemic symptoms - heat intolerance, fatigue, and mental health issues

Heat intolerance

Management strategies

Fatigue

Evaluation of fatigue

Management of fatigue

Fatigue related to DMT

Fatigue related to symptomatic therapy

Depression

Evaluation of depression

Management

Conclusion

References

Chapter 13 Cognitive dysfunction in pediatric-onset multiple sclerosis

Prevalence, pattern, and clinical correlates of cognitive impairment in POMS

The longitudinal course of cognitive functioning in POMS

Neuropsychological assessment techniques to detect cognitive impairment in POMS

Considerations for testing and interpretation

Psychological distress

Pain

Fatigue

Other physical symptoms

Impact of cognitive function on functional activities

Neuropsychology and future directions in POMS

Conclusion

References

Chapter 14: Living with pediatric multiple sclerosis: patient well-being

Health-related quality of life in multiple sclerosis

Health-related quality of life in adult-onset MS

The impact of pediatric MS on health-related quality of life

Pediatric multiple sclerosis and school

The impact of cognitive functioning on school

Social-emotional functioning in school

Accommodation/intervention

Psychosocial aspects of pediatric multiple sclerosis

The psychosocial impact of pediatric MS

Signs of psychosocial distress

Unexplained medical complaints

Treatment adherence

School avoidance

Risk-taking behaviors

Improving psychosocial function in pediatric MS

Working with the family

Including the child/teen

Disclosure

Building support

Accessing care

Transitioning to adult care

Improving the well-being of children with multiple sclerosis

References

Section 3: Pediatric MS Biology

Chapter 15: Pediatric MS: biological presentation and research update

Pathology

CSF profiles

Immunobiology of MS

Distinguishing features of the pediatric immune system

T-cell responses and studies

B cell and antibody responses

Environment impacting pediatric MS disease biology

Responses to infectious agents

Vitamin D

The need for biomarkers of inflammation and neurodegeneration

N-acetylaspartate (NAA)

Summary

References

Chapter 16: Genetics of pediatric multiple sclerosis

Genes versus family environment

Familial risks of MS

Autoimmune diseases in families

Molecular genetic studies in pediatric MS (Group 1)

The major histocompatibility complex

MHC class II

Epigenetic interactions within the HLA locus

MHC class I

Immune genes

The first neuronal risk genes

Single gene disorders that mimick MS

Summary

References

Section 4: ADEM

Chapter 17: Clinical and biological features of acute disseminated encephalomyelitis

Clinical features

Epidemiology

Antecedents

Clinical presentation

Neuroimaging findings

Laboratory tests

Acute hemorrhagic leukoencephalitis

Differential diagnosis

Outcome in ADEM and further episodes of demyelination

Monophasic ADEM, recurrent ADEM, and multiphasic ADEM

Distinguishing ADEM from CIS and MS

Definitions of CIS and MS

Clinical and neuroimaging distinctions

Laboratory Distinctions

Risk of developing MS after an initial acute demyelinating event

Pathology and immunopathology of ADEM

Pathological features

Immunopathogenesis

Conclusions

References

Chapter 18: MRI features of acute disseminated encephalomyelitis

Overview

MRI of ADEM: lessons from early reports

Overview of MRI in ADEM

Lesion characteristics of ADEM

Lesion size

Lesion number

Lesion margins

Lesion shape

T1-weighted characteristics (black holes)

Gadolinium enhancement

Lesion distribution

Lesion symmetry

Lesion regional involvement

Spinal involvement in ADEM

ADEM variants

Tumefactive or ``tumor-like´´ lesions

Bithalamic or bistriatal ADEM

Acute hemorrhagic leukoencephalitis (AHLE)

Proposed new MRI diagnostic criteria for ADEM

MRI outcome of ADEM lesions, and timing of repeat imaging

Differential diagnosis of radiological ADEM

New techniques in ADEM

Conclusions

References

Chapter 19: Treatment and prognosis of acute disseminated encephalomyelitis

Introduction

Treatment of the acute phase of ADEM with high doses of corticosteroids

Corticosteroid treatment and the risk of subsequent relapses

Other therapies for the acute phase of ADEM, especially in life-threatening situations

Repetition of intravenous methylprednisolone

Intravenous immunoglobulin

Plasma exchange

Supportive care

Prognosis

Conclusions

References

Section 5: Optic Neuritis in Children

Chapter 20: Pediatric optic neuritis

Introduction

Clinical features of pediatric optic neuritis

Differential diagnosis and evaluation

Treatment of acute optic neuritis

Prognosis after optic neuritis in childhood

Conclusion

References

Chapter 21: Recurrent isolated optic neuritis in the pediatric population

Introduction

Recurrent optic neuritis

Recurrent ON in the pediatric population

Recurrent ON and NMO-IgG antibodies

Optical coherence tomography in RON

Therapy for RON

Conclusions and future directions

References

Section 6: Acute Complete Transverse Myelitis in Children

Chapter 22: What is acute transverse myelitis in children?

Epidemiology of ATM

Definitions of ATM

Overlap of ATM with MS and related diseases

Immunopathogenesis

Clinical presentation of ATM

Preceding illness or immunization: a controversial notion

Clinical features

MRI presentation of ATM

Outcome and prognosis

Diagnostic evaluation and differential diagnosis of sudden spinal cord dysfunction

Extraspinal differential diagnosis

Intraspinal conditions other than ATM

ATM vs. ADEM vs. CIS and MS

ATM vs. NMO

ATM work-up

Acute interventions and medical treatments

Rehabilitation

Conclusions

References

Section 7: Neuromyelitis in children

Chapter 23: Neuromyelitis optica in children

Aquaporin-4: the target autoantigen in NMO

The historical perspective

Current diagnostic criteria

Demographic features

Clinical presentation

Brain involvement in NMO

Cerebrospinal fluid findings

Differential diagnosis

Antibody testing in NMO

Co-existing autoimmune disorders and autoantibodies in NMO

Disease course and outcome

Immunopathology

Pathogenesis

Treatment

Future directions

References

Index

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