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Parmar ST, Deshpande C, Kadam DS. Role of physical therapy intervention in acute disseminated encephalomyelitis. BMJ Case Rep 2024; 17:e257339. [PMID: 38589237 PMCID: PMC11015239 DOI: 10.1136/bcr-2023-257339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024] Open
Abstract
We reported a case of a school-going child, diagnosed with acute disseminated encephalomyelitis (ADEM) who presented with symptoms such as high fever, acute hemiplegia and ataxia and was referred for physiotherapeutic intervention. This case report aims to document the assessment and management of ADEM from the intensive care unit to the home setting by physical therapy. Also, the child developed ventilator-associated pneumonia and a right lower motor neuron facial injury for which the child was referred to paediatric physical therapy. Since then, continuing for 8 months has helped the child to be independent in all aspects of mobility with no complaints. The child showed improvement in WeeFIM scores and Sunnybrook facial grading after 99 sessions of intensive physical therapy for approximately 83 hours along with the home programme. It has been proven an efficient treatment method along with other medical lines of treatment for neurological impairment associated with ADEM.
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Scott RC, Moshé SL, Holmes GL. Do vaccines cause epilepsy? Review of cases in the National Vaccine Injury Compensation Program. Epilepsia 2024; 65:293-321. [PMID: 37914395 DOI: 10.1111/epi.17794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 10/05/2023] [Accepted: 10/06/2023] [Indexed: 11/03/2023]
Abstract
OBJECTIVE The National Childhood Vaccine Injury Act of 1986 created the National Vaccine Injury Compensation Program (VICP), a no-fault alternative to the traditional tort system. Since 1988, the total compensation paid exceeds $5 billion. Although epilepsy is one of the leading reasons for filing a claim, there has been no review of the process and validity of the legal outcomes given current medical information. The objectives were to review the evolution of the VICP program in regard to vaccine-related epilepsy and assess the rationale behind decisions made by the court. METHODS Publicly available cases involving epilepsy claims in the VICP were searched through Westlaw and the US Court of Federal Claims websites. All published reports were reviewed for petitioner's theories supporting vaccine-induced epilepsy, respondent's counterarguments, the final decision regarding compensation, and the rationale underlying these decisions. The primary goal was to determine which factors went into decisions regarding whether vaccines caused epilepsy. RESULTS Since the first epilepsy case in 1989, there have been many changes in the program, including the removal of residual seizure disorder as a vaccine-related injury, publication of the Althen prongs, release of the acellular form of pertussis, and recognition that in genetic conditions the underlying genetic abnormality rather than the immunization causes epilepsy. We identified 532 unique cases with epilepsy: 105 with infantile spasms and 427 with epilepsy without infantile spasms. The petitioners' experts often espoused outdated, erroneous causation theories that lacked an acceptable medical or scientific foundation and were frequently criticized by the court. SIGNIFICANCE Despite the lack of epidemiological or mechanistic evidence indicating that childhood vaccines covered by the VICP result in or aggravate epilepsy, these cases continue to be adjudicated. After 35 years of intense litigation, it is time to reconsider whether epilepsy should continue to be a compensable vaccine-induced injury.
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Affiliation(s)
- Rodney C Scott
- Nemours Children's Hospital-Delaware, Wilmington, Delaware, USA
| | - Solomon L Moshé
- Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, New York, USA
| | - Gregory L Holmes
- Larner College of Medicine, University of Vermont, Burlington, Vermont, USA
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3
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Prowse K, Linsenmeyer M. Altered Mental Status After Mpox Vaccination: A Clinical Vignette. Am J Phys Med Rehabil 2023; 102:e169-e171. [PMID: 37549354 DOI: 10.1097/phm.0000000000002292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Affiliation(s)
- Kendall Prowse
- From the Physical Medicine and Rehabilitation Residency Training Program, Albany Medical College, Albany, New York (KP); and Department of Physical Medicine and Rehabilitation, Sunnyview Rehabilitation Hospital, Schenectady, New York (ML)
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Shashi V, Schoch K, Ganetzky R, Kranz PG, Sondheimer N, Markert ML, Cope H, Sadeghpour A, Roehrs P, Arbogast T, Muraresku C, Tyndall AV, Esser MJ, Woodward KE, Ping-Yee Au B, Parboosingh JS, Lamont RE, Bernier FP, Wright NAM, Benseler SM, Parsons SJ, El-Dairi M, Smith EC, Valdez P, Tennison M, Innes AM, Davis EE. Biallelic variants in ribonuclease inhibitor (RNH1), an inflammasome modulator, are associated with a distinctive subtype of acute, necrotizing encephalopathy. Genet Med 2023; 25:100897. [PMID: 37191094 PMCID: PMC10506156 DOI: 10.1016/j.gim.2023.100897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/09/2023] [Accepted: 05/10/2023] [Indexed: 05/17/2023] Open
Abstract
PURPOSE Mendelian etiologies for acute encephalopathies in previously healthy children are poorly understood, with the exception of RAN binding protein 2 (RANBP2)-associated acute necrotizing encephalopathy subtype 1 (ANE1). We provide clinical, genetic, and neuroradiological evidence that biallelic variants in ribonuclease inhibitor (RNH1) confer susceptibility to a distinctive ANE subtype. METHODS This study aimed to evaluate clinical data, neuroradiological studies, genomic sequencing, and protein immunoblotting results in 8 children from 4 families who experienced acute febrile encephalopathy. RESULTS All 8 healthy children became acutely encephalopathic during a viral/febrile illness and received a variety of immune modulation treatments. Long-term outcomes varied from death to severe neurologic deficits to normal outcomes. The neuroradiological findings overlapped with ANE but had distinguishing features. All affected children had biallelic predicted damaging variants in RNH1: a subset that was studied had undetectable RNH1 protein. Incomplete penetrance of the RNH1 variants was evident in 1 family. CONCLUSION Biallelic variants in RNH1 confer susceptibility to a subtype of ANE (ANE2) in previously healthy children. Intensive immunological treatments may alter outcomes. Genomic sequencing in children with unexplained acute febrile encephalopathy can detect underlying genetic etiologies, such as RNH1, and improve outcomes in the probands and at-risk siblings.
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Affiliation(s)
- Vandana Shashi
- Division of Medical Genetics, Department of Pediatrics, Duke University School of Medicine, Durham, NC.
| | - Kelly Schoch
- Division of Medical Genetics, Department of Pediatrics, Duke University School of Medicine, Durham, NC
| | - Rebecca Ganetzky
- Mitochondrial Medicine Frontier Program, Division of Human Genetics, Children's Hospital of Philadelphia, Philadelphia, PA; Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
| | - Peter G Kranz
- Division of Neuroradiology, Department of Radiology, Duke University Medical Center, Durham, NC
| | | | - M Louise Markert
- Department of Pediatrics, Duke University School of Medicine, Durham, NC; Department of Immunology, Duke University Medical Center, Durham, NC
| | - Heidi Cope
- Center for Human Disease Modeling, Duke University Medical Center, Durham, NC
| | - Azita Sadeghpour
- Center for Human Disease Modeling, Duke University Medical Center, Durham, NC; Duke Precision Medicine Program, Department of Medicine, Division of General Internal Medicine, Duke University Medical Center, Durham, NC
| | - Philip Roehrs
- Pediatric Stem Cell Transplant and Cellular Therapy, Department of Pediatrics, University of Virginia, Charlottesville, VA
| | - Thomas Arbogast
- Stanley Manne Children's Research Institute, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL
| | - Colleen Muraresku
- Mitochondrial Medicine Frontier Program, Division of Human Genetics, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Amanda V Tyndall
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Michael J Esser
- Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Kristine E Woodward
- Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Billie Ping-Yee Au
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Jillian S Parboosingh
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Ryan E Lamont
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Francois P Bernier
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Nicola A M Wright
- Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Susa M Benseler
- Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Simon J Parsons
- Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Mays El-Dairi
- Department of Ophthalmology, Duke University Medical Center, Durham, NC
| | - Edward C Smith
- Division of Neurology, Department of Pediatrics, Duke University Medical Center, Durham, NC
| | - Purnima Valdez
- Department of Pediatrics, Duke University School of Medicine, Durham, NC
| | - Michael Tennison
- Department of Neurology, University of North Carolina at Chapel Hill, NC
| | - A Micheil Innes
- Department of Medical Genetics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
| | - Erica E Davis
- Stanley Manne Children's Research Institute, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL; Departments of Pediatrics and Cell and Developmental Biology, Feinberg School of Medicine, Northwestern University, Chicago, IL.
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5
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Stoian A, Bajko Z, Stoian M, Cioflinc RA, Niculescu R, Arbănași EM, Russu E, Botoncea M, Bălașa R. The Occurrence of Acute Disseminated Encephalomyelitis in SARS-CoV-2 Infection/Vaccination: Our Experience and a Systematic Review of the Literature. Vaccines (Basel) 2023; 11:1225. [PMID: 37515041 PMCID: PMC10385010 DOI: 10.3390/vaccines11071225] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 06/30/2023] [Accepted: 07/07/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND The neurological complications of coronavirus disease 2019 (COVID-19) infection and the side effects of vaccination include immune-mediated diseases of the central nervous system (CNS) such as acute disseminated encephalomyelitis (ADEM). It is an acute-onset demyelinating disease that involves a rapid evolution and multifocal neurological deficits that develops following a viral or bacterial infection or, less frequently, following vaccination. Acute hemorrhagic leukoencephalitis (AHLE) is the hemorrhagic variant of ADEM that presents a more severe evolution which can be followed by coma and death. The objectives of this study consist in evaluating the diagnosis, clinical characteristics, imaging and laboratory features, evolution, and treatment of ADEM and AHLE following COVID-19 infection or vaccination. METHODS We performed a systematic review of the medical literature according to PRISMA guidelines that included ADEM cases published between 1 January 2020 and 30 November 2022 following severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and vaccination and also included our own clinical experience regarding this pathology. RESULTS A total number of 74 patients were diagnosed with ADEM, 45 following COVID-19 infection and 29 after a SARS-CoV-2 vaccine. A total of 13 patients (17.33%) presented AHLE. The moderate form of COVID-19 presented a positive correlation with AHLE (r = 0.691, p < 0.001). The existence of coma and AHLE was correlated with poor outcomes. The following more aggressive immunomodulatory therapies applied in severe cases were correlated with poor outcomes (major sequelae and death): therapeutic plasma exchange (TPE) treatment (r = 382, p = 0.01) and combined therapy with corticosteroids and TPE (r = 0.337, p = 0.03). CONCLUSIONS Vaccinations are essential to reduce the spread of the COVID-19 pandemic, and the monitoring of adverse events is an important part of the strategic fight against SARS-CoV-2. The general benefits and the overall good evolution outweigh the risks, and prompt diagnosis is associated with a better prognosis in these patients.
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Affiliation(s)
- Adina Stoian
- Department of Pathophysiology, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540139 Targu Mures, Romania
| | - Zoltan Bajko
- Department of Neurology, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540139 Targu Mures, Romania
| | - Mircea Stoian
- Department Anesthesiology and Critical Care Medicine, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540139 Targu Mures, Romania
| | | | - Raluca Niculescu
- Department of Pathophysiology, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540139 Targu Mures, Romania
- Doctoral School of Medicine and Pharmacy, George Emil Palade University of Medicine, Pharmacy, Sciences and Technology of Targu Mures, 540142 Targu Mures, Romania
| | - Emil Marian Arbănași
- Doctoral School of Medicine and Pharmacy, George Emil Palade University of Medicine, Pharmacy, Sciences and Technology of Targu Mures, 540142 Targu Mures, Romania
- Department of Vascular Surgery, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540139 Targu Mures, Romania
- Clinic of Vascular Surgery, Mures County Emergency Hospital, 540136 Targu Mures, Romania
| | - Eliza Russu
- Department of Vascular Surgery, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540139 Targu Mures, Romania
- Clinic of Vascular Surgery, Mures County Emergency Hospital, 540136 Targu Mures, Romania
| | - Marian Botoncea
- Department of General Surgery, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540139 Targu Mures, Romania
| | - Rodica Bălașa
- Department of Neurology, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Targu Mures, 540139 Targu Mures, Romania
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Beshay L, Wei K, Yang Q. Newly diagnosed autoimmune Addison's disease in a patient with COVID-19 with autoimmune disseminated encephalomyelitis. BMJ Case Rep 2022; 15:15/12/e250749. [PMID: 36593594 PMCID: PMC9723877 DOI: 10.1136/bcr-2022-250749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022] Open
Abstract
A man in his 20s with a history of acute disseminated encephalomyelitis (ADEM) was brought into the emergency department (ED) after his family found him at home collapsed on the floor unresponsive with a blood glucose of 28 mg/dL at the field. In the ED, the patient was tachycardic, tachypnoeic and hypotensive, requiring pressors and intubation at 9 hours and 12 hours after arrival, respectively. Laboratory results revealed a positive COVID-19 test, serum sodium of 125 mmol/L and persistent hypoglycaemia. The patient was given a high dose of dexamethasone for COVID-19 treatment 1 hour before pressors were started. He was then continued on a stress dose of intravenous hydrocortisone with rapid clinical improvement leading to his extubation, and discontinuation of vasopressors and glucose on day 2 of admission. The patient received his last dose of intravenous hydrocortisone on day 4 in the early afternoon with the plan to order adrenal testing the following morning prior to discharge. On day 5, the aldosterone <3.0 ng/dL, adrenocorticotropic hormone (ACTH) level >1250 pg/mL, and ACTH stimulation test showed cortisol levels of 3 and 3 µg/dL at 30 and 60 min, respectively. The anti-21-hydroxylase antibody was positive. The patient was discharged on hydrocortisone and fludrocortisone. The patient's symptoms, elevated ACTH, low cortisol and presence of 21-hydroxylase antibodies are consistent with autoimmune Addison's disease. This is the first case reporting autoimmune Addison's disease in a patient with COVID-19 with a history of ADEM. The case highlights the importance of considering adrenal insufficiency as a diagnostic differential in haemodynamically unstable patients with COVID-19.
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Affiliation(s)
- Lauren Beshay
- Endocrinology, University of California Irvine, Irvine, California, USA
| | - Kevin Wei
- Endocrinology, University of California Irvine, Orange, California, USA
| | - Qin Yang
- Endocrinology, University of California Irvine, Irvine, California, USA
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Muacevic A, Adler JR. Acute Disseminated Encephalomyelitis Following Thoracic Endovascular Aortic Repair. Cureus 2022; 14:e30562. [PMID: 36415419 PMCID: PMC9676073 DOI: 10.7759/cureus.30562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/21/2022] [Indexed: 01/25/2023] Open
Abstract
Acute disseminated encephalomyelitis (ADEM) is a central nervous system demyelinating condition. The postulated etiology is an autoimmune reaction, however, the mechanistic details are yet unknown. While infection and immunization are the most prevalent precipitating causes of ADEM, we postulate that radiopaque contrast material might have played a role as an immunological trigger. This presentation is unusual and has not been recorded so far. This case also emphasizes the challenges involved in evaluating emerging neurological problems following a period of intubation/sedation among these patients. We present a patient who passed away due to the manifestations of ADEM following admission to the intensive care unit after thoracic endovascular aortic repair for type B aortic dissection. Magnetic resonance imaging (MRI) performed following multiple attempts at sedation weaning demonstrated typical features of this condition. Clinicians and radiologists should be diligent and consider ADEM as a differential diagnosis when treating patients who present with neurological symptoms following radiological interventional procedures and have a high index suspicion to reduce mortality and achieve satisfactory clinical outcomes.
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8
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Acute disseminated encephalomyelitis. JAAPA 2022; 35:32-35. [DOI: 10.1097/01.jaa.0000832604.33045.9d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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9
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Abstract
Hintergrund Die akute disseminierte Enzephalomyelitis (ADEM) gehört zu den seltenen demyelinisierenden Erkrankungen, die meistens bei Kindern auftreten. ADEM gehört laut Leitlinien zu den Myelin-Oligodendrozyten-Glykoprotein(MOG)-assoziierten Krankheiten und manifestiert sich in der Regel nach febrilen Infektionen (auch nach SARS-CoV-2) oder, deutlich seltener, nach Impfungen. Fragestellung Inzidenz, Verlauf und klinische sowie radiologische Diagnostik sowie Entwicklung und Therapieoptionen von ADEM. Material und Methode Analyse und Auswertung der Literatur über ADEM sowie Analyse der bemerkenswerten Fälle und Leitlinien. Ergebnisse Zu den ersten Anzeichen von ADEM gehören Fieber, Nausea bis zum Erbrechen sowie Kopfschmerzen und Meningismus sowie per definitionem eine Enzephalopathie, die am Anfang wenig ausgeprägt sein kann und sich meistens als Schläfrigkeit und Verwirrung manifestiert. Die radiologische Diagnose wird in der Magnetresonanztomographie (MRT) gestellt. Hier sind asymmetrisch verteilte, unscharf abgrenzbare, tumorsimulierende Läsionen supra- und infratentoriell abgrenzbar. In der akuten Phase nehmen die Läsionen meistens ringförmig Kontrastmittel auf und zeigen eine Diffusionsrestriktion. Spinaler Befall der grauen Substanz mit dem typischen H‑Muster mit Myelitis transversa ist nicht selten. Die ADEM hat meistens einen monophasischen Verlauf, wobei eine rekurrierende Form („relapsing ADEM“) in 1–20 % der Fälle zu erwarten ist. Bei der Behandlung kommen Steroide und in schweren Fällen Immunsuppressiva zum Einsatz. Schlussfolgerung ADEM ist eine meist monophasische Erkrankung, deren Symptome nach einigen Wochen/Monaten abklingen sollten. Es ist wichtig, sie von anderen demyelinisierenden Krankheiten wie der multiplen Sklerose zu unterscheiden, um die nötige Therapie nicht zu verzögern.
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Affiliation(s)
- Malgorzata Wolska-Krawczyk
- Klinik für Diagnostische und Interventionelle Neuroradiologie, Uniklinikum des Saarlandes, Kirrbergerstraße 1, 66421, Homburg/Saar, Deutschland.
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Oumerzouk J, Nabil M, Klevor R, Belasri S, Chraa M, Louhab N, Kissani N. Clinicoradiological and prognostic features of COVID-19-associated acute disseminated encephalomyelitis. Rev Neurol (Paris) 2021; 178:144-150. [PMID: 34887085 PMCID: PMC8626234 DOI: 10.1016/j.neurol.2021.11.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 11/08/2021] [Indexed: 11/25/2022]
Abstract
INTRODUCTION The Covid-19 pandemic has resulted in a spark in interest in the subject given the high exposure rate to viral antigens in the form of infections and vaccines. It is expected that acute disseminated encephalomyelitis (ADEM) cases see a rise in incidence during this period. Given the plethora of Covid-19-related central nervous system (CNS) involvement, it is important to be aware of the varied presentations of ADEM. CASE REPORTS In this paper, we report 3 cases of ADEM following Covid-19 infection. Patients presented with polyfocal neurological symptoms 6 to 18 days after respiratory symptoms onset. The diagnosis of Covid-19 was made based on nasal swab reverse transcriptase-polymerase chain reaction (RT-PCR) and chest computerized tomography (CT). DISCUSSION These cases illustrate both classic and atypical presentations requiring exclusion of a spectrum of CNS conditions to be able to retain the diagnosis of ADEM. Consequently, we stress the importance of context, clinical examination and MRI findings in the differentials. In addition, we discuss workup, and particularly, the indication of brain biopsy. Also, the paper discusses options in therapy and the prognosis. The prognosis of covid-associated ADEM is dependent on the extent of pathology intrinsic to ADEM and the intrication of the prognosis of Covid-19 infection. CONCLUSION The key message in these 3 cases is that clinicians should have a low threshold of suspicion of ADEM in the Covid-19 context, adopt appropriate workup strategies, and initiate adequate treatment for better outcomes.
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Affiliation(s)
- J Oumerzouk
- Neurology department, Military hospital Avicenne, Marrakech, Morocco; Neuroscience research laboratory, Marrakech Medical school, Cadi Ayyad university, Marrakesh, Morocco.
| | - M Nabil
- Anesthesiology department, Military hospital Avicenne, Marrakech. Morocco
| | - R Klevor
- Neurology department, Mohamed VI hospital, Marrakech, Morocco; Neuroscience research laboratory, Marrakech Medical school, Cadi Ayyad university, Marrakesh, Morocco
| | - S Belasri
- Radiology department, Military hospital Avicenne, Marrakech, Morocco
| | - M Chraa
- Neurology department, Mohamed VI hospital, Marrakech, Morocco; Neuroscience research laboratory, Marrakech Medical school, Cadi Ayyad university, Marrakesh, Morocco
| | - N Louhab
- Neurology department, Mohamed VI hospital, Marrakech, Morocco; Neuroscience research laboratory, Marrakech Medical school, Cadi Ayyad university, Marrakesh, Morocco
| | - N Kissani
- Neurology department, Mohamed VI hospital, Marrakech, Morocco; Neuroscience research laboratory, Marrakech Medical school, Cadi Ayyad university, Marrakesh, Morocco
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11
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McLendon LA, Rao CK, Da Hora CC, Islamovic F, Galan FN. Post-COVID-19 Acute Disseminated Encephalomyelitis in a 17-Month-Old. Pediatrics 2021; 147:peds.2020-049678. [PMID: 33762311 DOI: 10.1542/peds.2020-049678] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/18/2021] [Indexed: 11/24/2022] Open
Abstract
Neurologic manifestations of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in pediatric patients have been reported in the acute and postinfectious stages of coronavirus disease 2019. Acute disseminated encephalomyelitis (ADEM) typically presents in children after a viral illness at a mean age of 3 to 7 years. A total of 60% to 90% of literature-reported pediatric patients with ADEM have minimal to no neurologic deficits at long-term follow-up. We present a 17-month-old developmentally typical girl with parental complaints of irritability, upper extremity weakness, and gait disturbance. She presented to the hospital afebrile and irritable with right-sided nasolabial fold flattening, neck stiffness, left upper extremity rigidity, right upper extremity paresis, bilateral lower extremity hyperreflexia, and truncal ataxia. During her hospital course, she became somnolent with autonomic instability and was transferred to intensive care. Contrasted brain MRI revealed diffuse patchy T2 hyperintensities without contrast enhancement. Nasopharyngeal SARS-CoV-2 polymerase chain reaction and serum antibody testing results were positive. Cerebral spinal fluid analysis was unremarkable. Respiratory viral panel and autoimmune encephalitis and demyelinating disorders panel results were negative. She was started on high-dose methylprednisolone and intravenous immunoglobulin, with improvement in mental status, focal deficits, and ambulation. After hospital discharge, she received inpatient rehabilitation for 2 weeks and at 2 month follow-up had a full neurologic recovery. We report the youngest case of postinfectious ADEM due to SARS-CoV-2 in a toddler. Early recognition of autoimmune and inflammatory complications of SARS-CoV-2 is vital for early aggressive immunomodulatory treatment and, consequently, improved morbidity in these patients.
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Affiliation(s)
- Loren A McLendon
- Division of Child and Adolescent Neurology, Mayo Clinic College of Medicine and Science, Jacksonville, Florida.,Division of Pediatric Neurology, Nemours Children Specialty Clinic, Jacksonville, Florida; and
| | - Chethan K Rao
- Division of Child and Adolescent Neurology, Mayo Clinic College of Medicine and Science, Jacksonville, Florida.,Division of Pediatric Neurology, Nemours Children Specialty Clinic, Jacksonville, Florida; and
| | - Cintia Carla Da Hora
- Department of Pediatrics, College of Medicine - Jacksonville, University of Florida, Jacksonville, Florida
| | - Florinda Islamovic
- Department of Pediatrics, College of Medicine - Jacksonville, University of Florida, Jacksonville, Florida
| | - Fernando N Galan
- Division of Pediatric Neurology, Nemours Children Specialty Clinic, Jacksonville, Florida; and
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Kilic H, Mavi D, Yalcinkaya BC, Yildiz EP, Kizilkilic O, Saltik S. Evaluation of inflammatory acquired demyelinating syndromes in children: a single-center experience. Acta Neurol Belg 2021; 122:1485-1491. [PMID: 33973168 DOI: 10.1007/s13760-021-01703-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 05/03/2021] [Indexed: 11/30/2022]
Abstract
To evaluate the clinical and neuroimaging features of pediatric acquired demyelinating syndromes (ADS) in a tertiary pediatric neurology clinic in Turkey. All children diagnosed with any subset of ADS between 2013 and 2018 were included in this retrospective cohort study. Forty-two patients (21 female) with a median follow-up period of 30 months were included. The median age of the patients at disease onset was 11 years (range 1.5-17 years). The most common pediatric ADS categories according to the International pediatric Multiple Sclerosis Study Group consensus classification criteria were acute disseminated encephalomyelitis (ADEM) and multiple sclerosis (MS), each of which seen in 15 patients, followed by clinically isolated syndrome (CIS) (n = 11) and Neuromyelitis Optica Spectrum Disorder (NMOSD) (n = 1). At the first clinical event, children with ADEM significantly differed from the children affected by MS and CIS in terms of the following parameters: median age at onset (7 vs. 13.5 and 14.5 years; p < 0.001), encephalopathy (93.3 vs 0% and 0%; p < 0.001), and basal ganglia/thalamus lesions (73.3 vs 9.1% and 9.1%; p < 0.001). The frequency of seizure and pleocytosis were higher in ADEM group than MS group (p < 0.05), whereas oligoclonal bands (p < 0.001) and periventricular white matter lesions (p < 0.01) were more frequently observed in MS patients. Rituximab was used with great success in the prevention of relapses in 3 patients: NMOSD (n = 1), MS (n = 1) and ADEM followed by recurrent optic neuritis (n = 1). Our results define the longitudinal disease course of various ADS categories in a single referral center. In addition, this study compares various clinical, laboratory and neuroimaging features between these ADS categories.
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Affiliation(s)
- Huseyin Kilic
- Department of Pediatric Neurology, Cerrahpasa School of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey.
| | - Deniz Mavi
- Department of Pediatric Neurology, Cerrahpasa School of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | | | - Edibe Pembegul Yildiz
- Division of Pediatric Neurology, Kanuni Sultan Süleyman Training and Research Hospital, Istanbul, Turkey
| | - Osman Kizilkilic
- Department of Radiology, Cerrahpasa School of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Sema Saltik
- Department of Pediatric Neurology, Cerrahpasa School of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
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13
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Bozzola E, Spina G, Valeriani M, Papetti L, Ursitti F, Agostiniani R, Mascolo C, Ruggiero M, Di Camillo C, Quondamcarlo A, Matera L, Vecchio D, Memo L, Villani A. Management of pediatric post-infectious neurological syndromes. Ital J Pediatr 2021; 47:17. [PMID: 33494818 PMCID: PMC7836589 DOI: 10.1186/s13052-021-00968-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Accepted: 01/11/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Post-Infectious Neurological Syndromes (PINS) are heterogeneous neurological disorders with post or para-infectious onset. PINS diagnosis is complex, mainly related to the absence of any recognized guidelines and a univocal definition. AIM OF THE STUDY To elaborate a diagnostic guide for PINS. MATERIALS AND METHODS We retrospectively analysed patients younger than 14 years old admitted to Bambino Gesù Children's Hospital in Rome for PINS from December 2005 to March 2018. Scientific literature using PubMed as research platform was analysed: the key words "Post-Infectious Neurological Syndromes" were used. RESULTS A polysymptomatic presentation occurred in a percentage of 88% of the children. Motor signs and visual disturbances the most observed symptoms/signs were the most detached, followed by fever, speech disturbances, sleepiness, headache and bradipsychism. Blood investigations are compatible with inflammation, as a prodromal illnesses was documented in most cases. Normal cerebral spinal fluid (CSF) characteristics has been found in the majority of the study population. Magnetic resonance imaging (MRI) was positive for demyelinating lesions. Antibiotics, acyclovir and steroids have been given as treatment. DISCUSSION We suggest diagnostic criteria for diagnosis of PINS, considering the following parameters: neurological symptoms, timing of disease onset, blood and CSF laboratory tests, MRI imaging. CONCLUSIONS We propose criteria to guide clinician to diagnose PINS as definitive, probable or possible. Further studies are required to validate diagnostic criteria.
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Affiliation(s)
| | | | - Massimiliano Valeriani
- Department of Neuroscience, Headache Center, Bambino Gesù Children Hospital, Rome, Italy
| | - Laura Papetti
- Department of Neuroscience, Headache Center, Bambino Gesù Children Hospital, Rome, Italy
| | - Fabiana Ursitti
- Department of Neuroscience, Headache Center, Bambino Gesù Children Hospital, Rome, Italy
| | | | | | | | | | | | | | | | - Luigi Memo
- Italian Pediatric Society, Florence, Italy
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14
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Hussein O, Abd Elazim A, Torbey MT. Covid-19 systemic infection exacerbates pre-existing acute disseminated encephalomyelitis (ADEM). J Neuroimmunol 2020; 349:577405. [PMID: 33002725 PMCID: PMC7518115 DOI: 10.1016/j.jneuroim.2020.577405] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 09/20/2020] [Accepted: 09/22/2020] [Indexed: 11/26/2022]
Abstract
Acute disseminated encephalomyelitis (ADEM) is an uncommon diagnosis in adults. It is known to be due to an abnormal immune response to a systemic infection rather than direct viral invasion to the central nervous system. There have been few reports of ADEM diagnosed in the setting of COVID-19 systemic infection. However, we report a case of Coxsackie induced ADEM that remitted but got exacerbated by COVID-19 infection. The patient contracted the COVID-19 infection shortly after being discharged to a rehabilitation facility. Direct COVID-19 neuroinvasion was ruled out via CSF PCR testing for the virus. The patient responded well to pulse steroid therapy and plasmapheresis in both occasions. We hypothesize that COVID-19 infection can flare-up a recently remitted ADEM via altering the immune responses. It is known now that COVID-19 infection can produce cytokine storming. Cytokine pathway activation is known to be involved in the pathology of ADEM. Caution regarding discharging immune suppressed patient to the inpatient rehabilitation facility should be made in the era of COVID-19 pandemic.
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Affiliation(s)
- Omar Hussein
- University of New Mexcio Hospitals, Department of Neurology, MSC10 5620, Albuquerque, NM 87131, USA.
| | - Ahmed Abd Elazim
- University of New Mexcio Hospitals, Department of Neurology, MSC10 5620, Albuquerque, NM 87131, USA.
| | - Michel T Torbey
- University of New Mexcio Hospitals, Department of Neurology, MSC10 5620, Albuquerque, NM 87131, USA.
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15
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Guimarães MPM, Nascimento ACB, Alvarenga RMP. CLINICAL course of acute disseminated encephalomyelitis in adults from Rio de Janeiro: Retrospective study of 23 cases and literature review. Mult Scler Relat Disord 2020; 46:102424. [DOI: 10.1016/j.msard.2020.102424] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 07/03/2020] [Accepted: 07/24/2020] [Indexed: 01/07/2023]
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Md Noh MSF. Myelin oligodendrocyte glycoprotein-antibody (MOG-IgG) associated disease with centrally located long spinal cord lesion in a 14-month old child. J Cent Nerv Syst Dis 2020; 12:1179573520955008. [PMID: 32973377 PMCID: PMC7495514 DOI: 10.1177/1179573520955008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Accepted: 08/13/2020] [Indexed: 11/28/2022] Open
Abstract
Myelin oligodendrocyte glycoprotein-antibodies (MOG-IgG) are associated with acquired
inflammatory demyelinating syndromes, seen predominantly in children and young adults. The
overlapping clinical and radiological features of the heterogenous spectrum of
demyelinating central nervous system (CNS) diseases makes the detection of MOG-IgG
antibodies important for prognosis and treatment decisions. Herein, we describe the
occurrence of MOG-IgG associated disease presenting as acute disseminated
encephalomyelitis (ADEM), with spinal MRI findings of centrally located long cord lesion
in a 14-month old child.
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Affiliation(s)
- Mohamad Syafeeq Faeez Md Noh
- Department of Radiology, Universiti Putra Malaysia (UPM) Teaching Hospital, Persiaran MARDI-UPM, Serdang, Selangor, Malaysia.,Department of Imaging, Level 3, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Serdang, Selangor, Malaysia
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17
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Santoro JD, Chitnis T. Diagnostic Considerations in Acute Disseminated Encephalomyelitis and the Interface with MOG Antibody. Neuropediatrics 2019; 50:273-279. [PMID: 31340401 PMCID: PMC7117081 DOI: 10.1055/s-0039-1693152] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Acute disseminated encephalomyelitis (ADEM) is a common yet clinically heterogenous syndrome characterized by encephalopathy, focal neurologic findings, and abnormal neuroimaging. Differentiating ADEM from other demyelinating disorders of childhood can be difficult and appropriate interpretation of the historical, clinical, and neurodiagnostic components of a patient's presentation is critical. Myelin oligodendrocyte glycoprotein (MOG) antibody-associated diseases are a recently recognized set of disorders, which include ADEM presentations, among other phenotypes. This review article discusses the clinical diagnosis, differential diagnosis, interpretation of data, and treatment/prognosis of this unique syndrome with distinctive review of the spectrum of MOG antibodies.
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Affiliation(s)
- Jonathan D. Santoro
- Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts, United States,Department of Neurology, Harvard Medical School, Boston, Massachusetts, United States,Department of Neurology, Children’s Hospital of Los Angeles, Los Angeles, California, United States,Keck School of Medicine, University of Southern California, Los Angeles, California, United States,Address for correspondence Jonathan D. Santoro, MD Department of Neurology, Massachusetts General Hospital55 Fruit Street, ACC 708, Boston, MA 02114United States
| | - Tanuja Chitnis
- Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts, United States,Department of Neurology, Harvard Medical School, Boston, Massachusetts, United States
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Bhatt P, Bray L, Raju S, Dapaah-Siakwan F, Patel A, Chaudhari R, Donda K, Bhatt NS, Dave M, Linga VG, Lekshminarayanan A, Patel SV, Billimoria ZC, Zuckerman S, Yagnik P, Singh D. Temporal Trends of Pediatric Hospitalizations with Acute Disseminated Encephalomyelitis in the United States: An Analysis from 2006 to 2014 using National Inpatient Sample. J Pediatr 2019; 206:26-32.e1. [PMID: 30528761 DOI: 10.1016/j.jpeds.2018.10.044] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 10/14/2018] [Accepted: 10/23/2018] [Indexed: 12/21/2022]
Abstract
OBJECTIVE To determine the temporal trends in the epidemiology of acute disseminated encephalomyelitis (ADEM) and hospitalization outcomes in the US from 2006 through 2014. STUDY DESIGN Pediatric (≤18 years of age) hospitalizations with ADEM discharge diagnosis were identified from the National (Nationwide) Inpatient Sample (NIS) for years 2006 through 2014. Trends in the incidence of ADEM with respect to age, sex, race, and region were examined. Outcomes of ADEM in terms of mortality, length of stay (LOS), cost of hospitalization, and seasonal variation were analyzed. NIS includes sampling weight. These weights were used to generate national estimates. P value of < .05 was considered significant. RESULTS Overall incidence of ADEM associated pediatric hospitalizations from 2006 through 2014 was 0.5 per 100 000 population. Between 2006 through 2008 and 2012 through 2014, the incidence of ADEM increased from 0.4 to 0.6 per 100 000 (P-trend <.001). Black and Hispanic children had a significantly increased incidence of ADEM during the study period (0.2-0.5 per 100 000 population). There was no sex preponderance and 67% of ADEM hospitalizations were in patients <9 years old. From 2006 through 2008 to 2012 through 2014 (1.1%-1.5%; P-trend 0.07) and median LOS (4.8-5.5 days; Ptrend = .3) remained stable. However, median inflation adjusted cost increased from $11 594 in 2006 through 2008 to $16 193 in 2012 through 2014 (Ptrend = .002). CONCLUSION In this large nationwide cohort of ADEM hospitalizations, the incidence of ADEM increased during the study period. Mortality and LOS have remained stable over time, but inflation adjusted cost of hospitalizations increased.
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Affiliation(s)
- Parth Bhatt
- Department of Pediatrics, Texas Tech University Health Sciences Center, Amarillo, TX.
| | - Leonita Bray
- Department of Pediatrics, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - Sneha Raju
- Department of Pediatrics, Texas Tech University Health Sciences Center, Amarillo, TX
| | | | - Achint Patel
- Department of Public Health, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Riddhi Chaudhari
- Department of Pediatrics, University of Connecticut, Farmington, CT
| | - Keyur Donda
- Department of Pediatrics, University of Miami, Coral Gables, FL
| | - Neel S Bhatt
- Department of Pediatrics, Division of Hematology/ Oncology/ BMT, Medical College of Wisconsin, Milwaukee, WI
| | - Mihir Dave
- Department of Public Health, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Vijay Gandhi Linga
- Department of Pediatrics, Texas Tech University Health Sciences Center, Amarillo, TX
| | | | - Samir V Patel
- Department of Internal Medicine, Sparks Health Systems, Fort Smith, AR
| | | | - Samuel Zuckerman
- Department of Pediatrics, Texas Tech University Health Sciences Center, Amarillo, TX
| | - Priyank Yagnik
- Department of Pediatrics, University of Kansas School of Medicine, Wichita, KS
| | - Dinesh Singh
- Department of Pediatrics, Tulane University, New Orleans, LA; Department of Pediatrics, Texas Tech University Health Sciences Center, Amarillo, TX
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Orbach R, Schneebaum Sender N, Lubetzky R, Fattal-Valevski A. Increased Intracranial Pressure in Acute Disseminated Encephalomyelitis. J Child Neurol 2019; 34:99-103. [PMID: 30477374 DOI: 10.1177/0883073818811541] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To assess the intracranial pressure in pediatric acute disseminated encephalomyelitis using spinal tap opening pressure on lumbar puncture, which is routinely performed as part of suspected acute disseminated encephalomyelitis workup. Compared to other cerebrospinal fluid parameters such as cell count, protein concentration, and presence of oligoclonal bands, cerebrospinal fluid opening pressure is infrequently recorded. METHODS A retrospective chart review of demographic, clinical, and laboratory data of children diagnosed with acute disseminated encephalomyelitis admitted to a tertiary referral hospital between 2005 and 2016. RESULTS Of the 36 children diagnosed with acute disseminated encephalomyelitis, 24 had the cerebrospinal fluid opening pressure documented in their records. The mean cerebrospinal fluid opening pressure was 27.6±12.6 cmH2O, range 9-55 cmH2O (95% confidence interval 21.9-33.6). Cerebrospinal fluid opening pressure in the acute disseminated encephalomyelitis group was statistically significantly higher ( P = .0013, 95% confidence interval 4.2-15.0) than the accepted upper limit in this age group (18 cmH2O). In 10 of 24 patients (42%), the opening pressure was above 28 cmH2O. CONCLUSIONS Increased opening pressure was the most frequent cerebrospinal fluid abnormal finding in our cohort, which suggests a potential role of increased intracranial pressure in the acute disseminated encephalomyelitis pathophysiological disease mechanism. In certain cases, the opening pressure value could have monitoring and therapeutic implications, and therefore its measurement is highlighted by this study.
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Affiliation(s)
- Rotem Orbach
- 1 Pediatrics Department, Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.,2 Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Tel Aviv, Israel
| | - Nira Schneebaum Sender
- 3 Pediatric Neurology Unit, Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Ronit Lubetzky
- 1 Pediatrics Department, Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.,2 Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Tel Aviv, Israel
| | - Aviva Fattal-Valevski
- 2 Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Tel Aviv, Israel.,3 Pediatric Neurology Unit, Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
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TAGHDIRI MM, AMOUZADEH MH, ESMAIL NEJAD SS, ABASI E, ALIPOUR A, AKHAVAN M. Epidemiological, Clinical, and Laboratory Characteristics of Acute Disseminated Encephalomyelitis in Children: A Retrospective Study. IRANIAN JOURNAL OF CHILD NEUROLOGY 2019; 13:65-73. [PMID: 31645867 PMCID: PMC6789085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Revised: 01/09/2017] [Accepted: 03/07/2019] [Indexed: 11/18/2022]
Abstract
OBJECTIVES We aimed to study the precipitating factors, demographic data, clinical and radiological manifestations, electroencephalography and laboratory findings, as well as association with infections, immunization and incidence of relapse of acute disseminated encephalomyelitis (ADEM) in children admitted to Mofid Children Hospital, Tehran, Iran from Mar 2013 to Mar 2016. MATERIALS & METHODS A 3-yr retrospective review of 29 children with definite final diagnosis of ADEM in Mofid Hospital in Tehran, Iran was performed. The diagnosis was based on specified criteria, including a presumed acute demyelinating process with no history of unexplained neurological symptoms and at least one demyelinating lesion shown on magnetic resonance imaging without evidence of previous destructive white matter lesions. RESULTS Overall, 29 children diagnosed as ADEM were studied in terms of demographic characteristics, clinical manifestations and laboratory findings in two groups according to their recurrence. The mean age of the patients with recurrence was less than those without it were. It was more common in females but the difference was not statistically meaningful. There was no relationship between the season of the first episode of the disease and the recurrence incidence. Moreover, the relationship between viral infections and recurrence was statistically non-meaningful. No relationship between the recurrence of ADEM and clinical manifestations, radiological and laboratory findings was found. CONCLUSION The reason for high rate of recurrence in our patients may be related to the younger age of children in our study.
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Affiliation(s)
- Mohammad Mahdi TAGHDIRI
- Pediatric Neurology Research Center, Research Institute for Children’s Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran,Pediatric Neurology Department, Mofid Children’s Hospital, Faculty of Medicine, Shahid Beheshti University of Medical Sciences,Tehran, Iran
| | | | | | - Ezatollah ABASI
- Department of Epidemiology, Faculty of Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abbas ALIPOUR
- Department of Pediatric Nephrology, Faculty of Medicine, Qom University of Medical Sciences, Qom, Iran
| | - Mohsen AKHAVAN
- Department of Pediatric Nephrology, Faculty of Medicine, Qom University of Medical Sciences, Qom, Iran
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21
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Thompson H, Thakur K. Infections of the Central Nervous System in Returning Travelers and Immigrants. Curr Infect Dis Rep 2017; 19:45. [PMID: 28975470 DOI: 10.1007/s11908-017-0594-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
PURPOSE OF REVIEW This review highlights current knowledge in travel-related neuroinfectious diseases, providing insight on approaches to prevention, diagnosis, and treatment of infections of the central nervous system (CNS) in travelers and immigrants. RECENT FINDINGS Updates on travel vaccine recommendations including vaccine-specific interactions with immunosuppressive agents, advances in Zika virus and dengue virus vaccine development, new diagnostic criteria for neurocysticercosis, updates on treatment approaches for tuberculosis meningitis. Increasing rates of travel are leading to the spread of known infectious diseases and the emergence of new diseases in travel medicine. Among these infections, neuroinfectious diseases carry significant morbidity and mortality. To reduce the effect of travel-related illness, appropriate pre-travel measures and up-to-date diagnostic and treatment strategies are essential for optimal outcomes. This review highlights important travel information relevant to neuroinfectious diseases for several populations including immunocompetent, immunocompromised, pregnant, and infant/children travelers. It also outlines the travel risk, clinical presentation, diagnosis, and management of a select list of neuroinfectious diseases by region, including neurocysticercosis, Zika virus, tuberculosis meningitis, rabies, and tick-borne encephalitis.
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Affiliation(s)
- Haley Thompson
- New York Medical College, 40 Sunshine Cottage Road, Valhalla, New York, 10595, USA
| | - Kiran Thakur
- Division of Critical Care and Hospitalist Neurology, Department of Neurology, Columbia University Medical Center, 177 Fort Washington Avenue, Milstein Hospital, 8GS-300, New York, NY, 10032, USA.
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22
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Kisseih E, Mamilla D, Kaddurah A. A Rare Presentation of Encephalopathy in a 3-Year-Old Child. Glob Pediatr Health 2017; 4:2333794X17696682. [PMID: 28491921 PMCID: PMC5406187 DOI: 10.1177/2333794x17696682] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Accepted: 12/27/2016] [Indexed: 11/17/2022] Open
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Sadek AA, Mohamed MA, Abou-Taleb A, Mohammed MI. Pattern and Outcome of Acute Disseminated Encephalomyelitis (ADEM) in Children: Experience in a Tertiary Center, Upper Egypt. Electron Physician 2016; 8:2679-85. [PMID: 27648197 PMCID: PMC5014509 DOI: 10.19082/2679] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2016] [Accepted: 06/03/2016] [Indexed: 11/29/2022] Open
Abstract
Introduction Acute disseminated encephalomyelitis (ADEM) is an immune mediated disease of the brain. Although it occurs in all ages, most reported cases are in children and adolescents. The aims of this study were to study the clinical pattern and outcome of ADEM in children in a tertiary center in Upper Egypt and to determine the effect of combined use of steroids and IVIg on outcome. Methods This observational study was carried out from January 2014 through December 2014 in the Pediatric Department of Sohag University Hospital (Egypt). All children diagnosed as ADEM during a one year period were included in this study. The treatments used were IV methylprednisolone followed by oral prednisone taper and intravenous immunoglobulin for severe cases. All studied cases were followed up and reevaluated at three months and six months. We used SPSS version 10 and Chi Square, Spearman’s test and t-test for data analysis. Results Eighteen children were included in this study (10 males and 8 females), the average age was 5.5 ± 0.9 years. Prodroma was found in 72.22% of the cases while the main complaint was encephalopathy (83.33%) followed by seizures (11.11%). The neurological findings were convulsions in 83.33%, quadriparesis (33.33%), hemiparesis (33.33), bladder involvement (both retention and incontinence) in 61.11%, and cranial nerve affection (11.11%). Demyelination patches were multifocal in 50%, mainly subcortical in 27.78%. Intelligence quotient (IQ) assessment after 6 months follow up showed that 50% were below average, 25% had mild MR while neurological evaluation showed that 75% of our patients were completely cured. The predictors of better outcome were; children related to the age group (1–4 years) (p = 0.01), children with higher GCS (6–14) (p = 0.01), and children who received steroids on the first day of symptoms and intravenous immunoglobulin in the first week (p = 0.03). Conclusion The clinical pattern of acute disseminated encephalomyelitis is variable, and a disturbed level of consciousness was the most common presentation. The outcome is generally favorable although motor deficit and cognitive impairment were reported. The combined use of steroids and IVIg has substantial effect on the outcome in children with ADEM.
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Affiliation(s)
- Abdelrahim Abdrabou Sadek
- Assistant Professor and head of Pediatric Neurology Unit, Pediatric Department, Faculty of Medicine, Sohag University, Sohag, Egypt
| | | | - Ashraf Abou-Taleb
- Lecturer, Pediatric Department, Faculty of Medicine, Sohag University, Sohag, Egypt
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Acute Disseminated Encephalomyelitis (ADEM). IMAGING IN NEUROLOGY 2016. [PMCID: PMC7455310 DOI: 10.1016/b978-0-323-44781-2.50156-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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25
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Borras-Novell C, García Rey E, Perez Baena LF, Jordan Garcia I, Catella Cahiz D, Cambra F. Therapeutic plasma exchange in acute disseminated encephalomyelitis in children. J Clin Apher 2015; 30:335-9. [DOI: 10.1002/jca.21388] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2014] [Accepted: 01/14/2015] [Indexed: 12/18/2022]
Affiliation(s)
| | | | | | | | | | - Francisco Cambra
- Pediatric Intensive Care Unit; Hospital Sant Joan De Déu; Barcelona Spain
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Acute disseminated encephalomyelitis progressing to multiple sclerosis: are infectious triggers involved? Immunol Res 2015; 60:16-22. [PMID: 24668297 PMCID: PMC7091333 DOI: 10.1007/s12026-014-8499-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Acute disseminated encephalomyelitis (ADEM) and multiple sclerosis (MS) are demyelinating disorders affecting the central nervous system. An autoimmune aetiology has been proposed for both. ADEM principally affects adolescents following acute infection by a variety of pathogens and has also been reported to occur following vaccination. ADEM typically resolves following medical treatment, whereas MS follows a more relapsing and remitting course. The pathogenesis of MS remains unclear, but it is thought that a combination of infectious and non-infectious environmental factors and host genetics act synergistically to cause disease. A variety of viruses, including Epstein Barr virus, cytomegalovirus, herpes simplex virus and varicella zoster virus, have been implicated as possible infectious triggers. The similar clinical and pathological presentation of ADEM and MS presents a diagnostic challenge for distinguishing ADEM from a first episode of MS. Some cases of ADEM progress to MS for reasons that are not currently clear. This review examines the evidence for infectious agents as triggers for ADEM progressing to MS and suggests potential methods that may facilitate identification of infectious agents that may be responsible for the pathogenesis of ADEM to MS.
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Sarioglu B, Kose SS, Saritas S, Kose E, Kanik A, Helvaci M. Severe acute disseminated encephalomyelitis with clinical findings of transverse myelitis after herpes simplex virus infection. J Child Neurol 2014; 29:1519-23. [PMID: 24525997 DOI: 10.1177/0883073813513334] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND ADEM is a central nervous disease that leads to myelin damage as a result of autoimmune response that develops after infections or vaccination. Herpes Simplex Virus (HSV) infection rarely leads to ADEM. PATIENT 25-month-old male due to urinary retention, paradoxical respiration and muscle weakness after herpetic gingivostomatitis diagnosed as transverse myelitis. In follow-up with cranial and spinal magnetic resonance imaging multiple lesions were demonstrated. Electroneuromyography findings were compatible with acute sensorimotor neuropathy, serum anti-GM2 antibodies and Herpes Simplex Virus (HSV) Type 1/2 IgM / IgG detected negative and positivite, respectively. With these findings he was diagnosed acute disseminated encephalomyelitis (ADEM) following HSV infection. Although acyclovir, intravenous immunoglobulin, methylprednisolone and plasmapheresis therapies, he is still in intensive physical therapy program with heavy sequel. RESULTS In our case, ADEM demonstrated transverse myelitis clinic after HSV infection which is rarely seen in literature. As well as clinic and spinal imaging findings, cranial imaging findings helped establishment of ADEM diagnosis. CONCLUSION To our best knowledge, HSV is a rare etiological and probably the poor prognostic factor of ADEM.
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Affiliation(s)
- Berrak Sarioglu
- Department of Pediatric Neurology, Izmir Tepecik Training and Research Hospital, Izmir, Turkey
| | - Seda Sirin Kose
- Department of Pediatrics, Izmir Tepecik Training and Research Hospital, Izmir, Turkey
| | - Serdar Saritas
- Department of Pediatrics, Izmir Tepecik Training and Research Hospital, Izmir, Turkey
| | - Engin Kose
- Department of Pediatrics, Izmir Tepecik Training and Research Hospital, Izmir, Turkey
| | - Ali Kanik
- Department of Pediatrics, Izmir Tepecik Training and Research Hospital, Izmir, Turkey
| | - Mehmet Helvaci
- Department of Pediatrics, Izmir Tepecik Training and Research Hospital, Izmir, Turkey
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Lazibat I, Brinar V. Acute disseminated encephalomyelitis associated with hepatitis B virus reinfection--consequence or coincidence? Clin Neurol Neurosurg 2014; 115 Suppl 1:S35-7. [PMID: 24321152 PMCID: PMC7116977 DOI: 10.1016/j.clineuro.2013.09.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Acute disseminated encephalomyelitis (ADEM) is an idiopathic inflammatory demyelinating disease of the CNS that is particularly difficult to differentiate from the first episode of multiple sclerosis. ADEM typically occurs as a post-infectious phenomenon, and usually presents a monophasic episode, but also includes recurrent and multiphasic forms. We report a case of ADEM associated with hepatitis B virus (HBV) reinfection. After steroid and IV immunoglobulin treatment, neurologic symptoms were improved. We suppose that the HBV reinfection was the cause of ADEM, but possible pathogenetic mechanism is still obscure.
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Affiliation(s)
- Ines Lazibat
- University of Zagreb, Dubrava University Hospital, Department of Neurology, Zagreb, Croatia.
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Harvey CM, Gottipati R, Schwarz S, Auer D, O'Donoghue M, Russell NH, Fox CP. Acute disseminated encephalomyelitis following allo-SCT: central nervous system manifestation of GVHD. Bone Marrow Transplant 2014; 49:854-6. [PMID: 24637899 DOI: 10.1038/bmt.2014.29] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- C M Harvey
- Department of Haematology, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - R Gottipati
- Department of Haematology, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - S Schwarz
- Department of Radiology, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - D Auer
- Department of Radiology, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - M O'Donoghue
- Department of Neurology, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - N H Russell
- Department of Haematology, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - C P Fox
- Department of Haematology, Nottingham University Hospitals NHS Trust, Nottingham, UK
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Xiong CH, Yan Y, Liao Z, Peng SH, Wen HR, Zhang YX, Chen SH, Li J, Chen HY, Feng XW, Yao HQ, Huang L, Zhang L. Epidemiological characteristics of acute disseminated encephalomyelitis in Nanchang, China: a retrospective study. BMC Public Health 2014; 14:111. [PMID: 24495742 PMCID: PMC3922734 DOI: 10.1186/1471-2458-14-111] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2013] [Accepted: 12/02/2013] [Indexed: 11/15/2022] Open
Abstract
Background Acute disseminated encephalomyelitis (ADEM) is an autoimmune disease that typically follows a monophasic course and may affect any age group. The precise population-based incidence of ADEM is still unknown in most countries. In China, there is no ADEM surveillance system. The exact incidence of ADEM is difficult to estimate, and other epidemiological characteristics of ADEM are unknown. The purpose of this study is to investigate the epidemiological characteristics of ADEM in Nanchang, China. Methods A retrospective investigation was conducted with ADEM patients admitted to second-level and third-level hospitals in Nanchang from 2008 to 2010, aiming to analyse the epidemiologic characteristics of ADEM in the population in Nanchang. ADEM patients, defined as patients who were diagnosed according to the consensus definition of ADEM provided by the International Pediatric MS Study Group, were enrolled in the study. The data were extracted from the ADEM patients’ medical records. Results Forty-seven ADEM patients were investigated. The average annual incidence was 0.31/100,000; the incidence among males (0.31/100,000) was nearly equal to that among females (0.31/100,000). The median age of onset was 25.97 years old, and the peak incidence was observed in the 5- to 9-year-old age group (0.75/100,000), followed by the over-60 age group (0.55/100,000). ADEM occurs throughout the year, but it occurs most frequently in March (n = 7) and least frequently in April and July (both n = 2). The patient numbers are roughly even in the other months. In the 2 months before the onset of ADEM, 15 patients presented with a preceding infection, but none of the patients received a vaccination. An increased number of vaccination was not accompanied by a corresponding increased number of cases of ADEM. Conclusions The average annual incidence of ADEM was 0.31/100,000 in Nanchang. The incidence among males was nearly equal to that among females. The peak age of onset was 5–9 years old. The peak season of onset was not apparent. There was no evidence of an association between increased number of vaccines administered and number of cases of ADEM in Nanchang, China.
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Affiliation(s)
| | - Yan Yan
- School of Public Health, Central South University, Changsha 410078, China.
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Erol I, Özkale Y, Alkan Ö, Alehan F. Acute disseminated encephalomyelitis in children and adolescents: a single center experience. Pediatr Neurol 2013; 49:266-73. [PMID: 23849604 PMCID: PMC7127658 DOI: 10.1016/j.pediatrneurol.2013.03.021] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Revised: 03/11/2013] [Accepted: 03/25/2013] [Indexed: 11/26/2022]
Abstract
BACKGROUND Acute disseminated encephalomyelitis is an immune-mediated disease that produces multiple inflammatory lesions in the brain and spinal cord. METHODS This study retrospectively evaluated 15 children with acute disseminated encephalomyelitis in children and adolescents from a single institution in Adana, Turkey. RESULTS The patients presented in a seasonal distribution, with 73.3%: (11/15) presenting in winter or spring. The majority of patients (13/15, 86.7%) had a history of acute febrile illness 2 to 40 days before presentation, and five children had serologic evidence of specific triggers: mycoplasma (2 children), influenza-A (H1N1) (1 child), or Epstein-Barr virus. All children were treated with a standard protocol of 3 to 5 days of intravenous administration of methylprednisolone and intravenous immunoglobulin for patients who continued to deteriorate. Oseltamivir and clarithromycin were administered in patients with influenza-A (H1N1) and mycoplasma according to the serology. In 13 patients, all neurologic signs and symptoms resolved after treatment. Only one patient was left with severe neurologic sequelae and another child had recurrent attacks and was ultimately diagnosed with possible multiple sclerosis. CONCLUSIONS The present series demonstrates that acute disseminated encephalomyelitis in children occurs predominantly in winter or spring and often follows an upper respiratory tract illness for those along the southern coast of Anatolia (Mediterranean region). Early treatment with immunomodulative agents is recommended and is likely to result in a favorable outcome or full recovery. This study also suggests benefit from antiviral and antibiotic treatment initiated as soon as possible after the onset of illness.
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Affiliation(s)
- Ilknur Erol
- Department of Pediatrics, Neurology Division, Adana Teaching and Medical Research Center, Adana, Turkey.
| | - Yasemin Özkale
- Department of Pediatrics, Adana Teaching and Medical Research Center, Adana, Turkey
| | - Özlem Alkan
- Department of Radiology, Adana Teaching and Medical Research Center, Adana, Turkey
| | - Fusun Alehan
- Department of Pediatrics, Division of Child Neurology, Ankara, Turkey
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Elhassanien AF, Aziz HA. Acute demyelinating encephalomyelitis: Clinical characteristics and outcome. J Pediatr Neurosci 2013; 8:26-30. [PMID: 23772240 PMCID: PMC3680891 DOI: 10.4103/1817-1745.111418] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Background: ADEM, although relatively uncommon, is probably under-recognized. Objectives: To spotlight the clinical profile and therapeutic outcome of children with ADEM. Materials and Methods: This is a prospective study of patients with ADEM who were admitted to the Pediatric Departments in Aladan and Alfarawanya Hospitals in Kuwait, from January 2009 to January 2011. Clinical, microbiological and radiological data were analyzed. Results: Of 48 patients presented with acute neurological symptoms and signs, 21 patients fulfilled criteria for ADEM. 80.95% of cases were presenting in winter and spring, 57% of patients had a history of upper respiratory tract illness. The commonest presentations were motor deficits, convulsions and altered consciousness. CSF virology studies showed herpes simplex virus (HSV) and Epstein-Barr virus (EBV) (3 patients) whereas nasal and nasopharyngeal swab showed evidence of influenza H1N1 virus (1 patient). Brain MRI was performed in all patients and revealed multiple hyperintense supratentorial brain lesions on T2/FLAIR images. 85.7% of patients had cortical and/or subcortical white matter lesions which were bilateral and asymmetric in location and size. Conclusion: ADEM although rare must be considered in children with acute onset of neurological signs and symptoms and must be distinguished from any acute neurological insult.
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Abstract
We report a case of a 5-year-old boy with acute disseminated encephalomyelitis as the initial presentation of neuroborreliosis. Parents report an upper-airway infection a few days before the development of acute encephalopathy, mild facial palsy, and seizures. The patient needed mechanical ventilation for 10 days, and after extubation, he presented hypotonia, ataxia, dysarthria, as well as weak gag and cough reflexes. Brain magnetic resonance imaging showed hyperintense lesions on T2- and fluid-attenuated inversion recovery sequences on the right subcortical occipital and parietal region, left posterior arm of the internal capsule, and in the medulla oblongata. Borrelia burgdorferi was identified in the plasma and cerebrospinal fluid by polymerase chain reaction and in the plasma by Western blotting. He was treated with ceftriaxone, methylprednisolone, and human immunoglobulin. Recovery was partial.
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[Clinical outcome of the hyperacute form of acute disseminated encephalomyelitis]. An Pediatr (Barc) 2012; 78:234-40. [PMID: 23021589 DOI: 10.1016/j.anpedi.2012.07.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2012] [Revised: 07/04/2012] [Accepted: 07/05/2012] [Indexed: 11/22/2022] Open
Abstract
INTRODUCTION Acute disseminated encephalomyelitis (ADEM) is an inflammatory disease that damages the white matter of the central nervous system. Its clinical course is monophasic and multifocal. The outcome is usually favourable. We report our experience in the management of the hyperacute form of ADEM. PATIENTS AND METHODS A retrospective chart review was performed on five patients admitted in coma with a diagnosis of ADEM in the Paediatric Intensive Care Unit (PICU). We describe their epidemiological, clinical, microbiological, magnetic resonance imaging features and their treatment and outcomes. RESULTS The mean age was 5.2 years and all were male. None of them fulfilled radiologic criteria for acute haemorrhagic leukoencephalitis. At admission all patients were in a coma, and all were on controlled mechanical ventilation support. Before their admission all patients had fever. In all cases the time between the first neurological symptom and coma was ≤ 24hours. The cerebrospinal fluid examination was abnormal in three patients, and in one case, oligoclonal bands were detected. The first brain magnetic resonance imaging (MRI) showed white matter and basal ganglia lesions in all patients, and in three cases the spinal medulla was affected by demyelination. All patients were treated with a course of high-dose methylprednisolone. Four patients were also treated with high-dose immunoglobulins, and one of them received plasmapheresis. Two patients died, and one patient had severe sequelae at discharge from the PICU. At discharge the lesions in the white matter were still present in the MRI. After nine months the three survivors had a Glasgow Outcome Scale score of five and no one relapsed. CONCLUSIONS There is a hyperacute clinical form of ADEM which has a high mortality rate. In the short term, the clinical improvement of hyperacute ADEM is not accompanied by a decrease of severity of the brain MRI.
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Taghdiri MM, Amanati A, Abdolkarimi B. Cyclosporine in the treatment of a case of fulminant and refractory acute disseminated encephalomyelitis. IRANIAN JOURNAL OF PEDIATRICS 2011; 21:535-8. [PMID: 23056845 PMCID: PMC3446122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2010] [Revised: 03/17/2011] [Accepted: 05/19/2011] [Indexed: 11/30/2022]
Abstract
BACKGROUND Acute disseminated encephalomyelitis (ADEM) is a rare, monophasic, demyelinating disease of the CNS which sometimes could be refractory to traditional treatment. CASE PRESENTATION We present a case of fulminant ADEM which is treated with combination of corticosteroid, intravenous immunoglobulin and cyclosporine. CONCLUSION Immunosuppressive agents such as cyclosporine may be effective especially in fulminant form of the disease.
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Affiliation(s)
| | - Ali Amanati
- Fatemieh Hospital, Hamadan University of Medical Sciences, Hamadan, Iran,Corresponding Author: Address: Neonatal Devision, Fatemieh Hospital, Hamadan University of Medical Sciences, Hamadan, Iran. E-mail:
| | - Babak Abdolkarimi
- Fatemieh Hospital, Hamadan University of Medical Sciences, Hamadan, Iran
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Absoud M, Cummins C, Chong WK, De Goede C, Foster K, Gunny R, Hemingway C, Jardine P, Kneen R, Likeman M, Lim MJ, Pike M, Sibtain N, Whitehouse WP, Wassmer E. Paediatric UK demyelinating disease longitudinal study (PUDDLS). BMC Pediatr 2011; 11:68. [PMID: 21798048 PMCID: PMC3163536 DOI: 10.1186/1471-2431-11-68] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2011] [Accepted: 07/28/2011] [Indexed: 11/16/2022] Open
Abstract
Background There is evidence that at least 5% of Multiple sclerosis (MS) cases manifest in childhood. Children with MS present with a demyelinating episode involving single or multiple symptoms prior to developing a second event (usually within two years) to then meet criteria for diagnosis. There is evidence from adult cohorts that the incidence and sex ratios of MS are changing and that children of immigrants have a higher risk for developing MS. A paediatric population should reflect the vanguard of such changes and may reflect trends yet to be observed in adult cohorts. Studying a paediatric population from the first demyelinating event will allow us to test these hypotheses, and may offer further valuable insights into the genetic and environmental interactions in the pathogenesis of MS. Methods/Design The Paediatric UK Demyelinating Disease Longitudinal Study (PUDDLS) is a prospective longitudinal observational study which aims to determine the natural history, predictors and outcomes of childhood CNS inflammatory demyelinating diseases. PUDDLS will involve centres in the UK, and will establish a cohort of children affected with a first CNS inflammatory demyelinating event for long-term follow up by recruiting for approximately 5 years. PUDDLS will also establish a biological sample archive (CSF, serum, and DNA), allowing future hypothesis driven research. For example, the future discovery of a biomarker will allow validation within this dataset for the evaluation of novel biomarkers. Patients will also be requested to consent to be contacted in the future. A secondary aim is to collaborate internationally with the International Paediatric Multiple Sclerosis Study Group when future collaborative studies are proposed, whilst sharing a minimal anonymised dataset. PUDDLS is the second of two jointly funded studies. The first (UCID-SS) is an epidemiological surveillance study that already received ethical approvals, and started on the 1st September 2009. There is no direct patient involvement, and UCID-SS aims to determine the UK and Ireland incidence of CNS inflammatory demyelinating disorders in children under 16 years. Discussion A paediatric population should reflect the vanguard of MS epidemiological changes and may reflect trends yet to be observed in adult MS cohorts. The restricted window between clinical expression of disease and exposure to environmental factors in children offers a unique research opportunity. Studying a paediatric population from the first demyelinating event will allow us to investigate the changing epidemiology of MS, and may offer further valuable insights into the genetic and environmental interactions in the pathogenesis of MS.
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Affiliation(s)
- Michael Absoud
- School of Health & Population Sciences, University of Birmingham, Birmingham, UK.
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Kamate M, Chetal V, Tonape V, Mahantshetti N, Hattiholi V. Central nervous system inflammatory demyelinating disorders of childhood. Ann Indian Acad Neurol 2011; 13:289-92. [PMID: 21264138 PMCID: PMC3021933 DOI: 10.4103/0972-2327.74204] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2010] [Revised: 04/02/2010] [Accepted: 06/22/2010] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Childhood Central Nervous System (CNS) inflammatory demyelinating disorders (CIDD) are being diagnosed more commonly now. There is ambiguity in the use of different terms in relation to CIDD. Recently, consensus definitions have been proposed so that there is uniformity in studies across the world. The prevalence of these disorders and the spectrum varies from place to place. This study was undertaken to study the clinico-radiological profile and outcome of children with CIDD using the recent consensus definition. STUDY DESIGN Prospective descriptive study. MATERIALS AND METHODS All patients admitted in pediatric ward and pediatric intensive care with neurological symptoms and signs suggestive of CNS inflammatory demyelinating disorders from July 2007-August 2008 were enrolled. The details of clinical presentation, neuroimaging findings, laboratory results, treatment, and outcome were noted and analyzed. RESULTS Fifteen patients (11 with acute disseminated encephalomyelitis and 4 with clinically isolated syndrome) were diagnosed with CIDD. Clinical presentation was quite varied. Eight patients recovered completely; 4 cases were left with sequelae and 3 patients expired. There were no cases of multiple sclerosis or neuromyelitis optica. CONCLUSIONS CNS inflammatory demyelinating disorders are common illnesses in developing countries because of recurrent infections. Even the spectrum of CIDD is different. Neuroimaging in the form of magnetic resonance imaging is essential for diagnosis.
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Affiliation(s)
- Mahesh Kamate
- Department of Pediatrics, KLE University's J N Medical College, Belgaum, Karnataka, India
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Lee YJ. Acute disseminated encephalomyelitis in children: differential diagnosis from multiple sclerosis on the basis of clinical course. KOREAN JOURNAL OF PEDIATRICS 2011; 54:234-40. [PMID: 21949517 PMCID: PMC3174358 DOI: 10.3345/kjp.2011.54.6.234] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2011] [Accepted: 05/11/2011] [Indexed: 11/27/2022]
Abstract
Acute disseminated encephalomyelitis (ADEM) is a demyelinating disease of the central nervous system (CNS) that typically presents as a monophasic disorder associated with multifocal neurologic symptoms and encephalopathy. ADEM is considered an autoimmune disorder that is triggered by an environmental stimulus in genetically susceptible individuals. The diagnosis of ADEM is based on clinical and radiological features. Most children with ADEM initially present with fever, meningeal signs, and acute encephalopathy. The level of consciousness ranges from lethargy to frank coma. Deep and subcortical white-matter lesions and gray-matter lesions such as thalami and basal ganglia on magnetic resonance imaging (MRI) are associated with ADEM. In a child who presents with signs of encephalitis, bacterial and viral meningitis or encephalitis must be ruled out. Sequential MRI is required to confirm the diagnosis of ADEM, as relapses with the appearance of new lesions on MRI may suggest either multiphasic ADEM or multiple sclerosis (MS). Pediatric MS, defined as onset of MS before the age of 16, is being increasingly recognized. MS is characterized by recurrent episodes of demyelination in the CNS separated in space and time. The McDonald criteria for diagnosis of MS include evidence from MRI and allow the clinician to make a diagnosis of clinically definite MS on the basis of the interval preceding the development of new white matter lesions, even in the absence of new clinical findings. The most important alternative diagnosis to MS is ADEM. At the initial presentation, the 2 disorders cannot be distinguished with certainty. Therefore, prolonged follow-up is needed to establish a diagnosis.
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Affiliation(s)
- Yun Jin Lee
- Department of Pediatrics, Pusan National University Children's Hospital, Pusan National University School of Medicine, Yangsan, Korea
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39
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Kaya A, Acikgoz M, Ustyol L, Avcu S, Sal E, Okur M, Caksen H. A case of acute disseminated encephalomyelitis mimicking leukodystrophy. Kurume Med J 2010; 57:85-9. [PMID: 21186344 DOI: 10.2739/kurumemedj.57.85] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Acute disseminated encephalomyelitis (ADEM) is a monophasic, immune-mediated demyelinating disorder that can follow immunizations or more often infections including rubeola, rubella, varicella, herpes zoster, mumps, Mycoplasma pneumoniae, or, more commonly, other nonspecific upper respiratory tract infections. Documentation of a preceding illness is not required to make this diagnosis. This report examines the case of a 9-month-old male patient presenting with the features of an acute leukodystrophy following innoculation with the mixed vaccine Pentaxim (Sanofi Pasteur, Lyon- France) while suffering from a lower respiratory tract infection, and who was eventually diagnosed as ADEM. The case is presented as a reminder that ADEM can sometimes be linked to lower respiratory tract infection and vaccination, and that the features in such cases can be confused with leukodystrophy.
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Affiliation(s)
- Avni Kaya
- Department of Pediatrics, Women and Children's Hospital, Yüzüncü Yil University, Van, Turkey.
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Poser CM, Brinar VV. The Accuracy of Prevalence Rates of Multiple Sclerosis: A Critical Review. Neuroepidemiology 2007; 29:150-5. [DOI: 10.1159/000111576] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Poser CM, Brinar VV. Disseminated encephalomyelitis and multiple sclerosis: two different diseases - a critical review. Acta Neurol Scand 2007; 116:201-6. [PMID: 17824894 DOI: 10.1111/j.1600-0404.2007.00902.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The practice of initiating immunomodulatory treatment immediately after a clinically isolated syndrome (CIS) suggestive of multiple sclerosis (MS) emphasizes the need to distinguish between disseminated encephalomyelitis (DEM) and MS. Their clinical, genetic, imaging, and histopathological characteristics establish that they are distinct disease entities. Acute and recurrent DEM are more common in children, but also occur in adults. DEM is polysymptomatic and includes signs and symptoms rarely encountered in MS, such as fever, alterations of the state of consciousness, cognitive and aphasic symptoms, and meningism. Cerebrospinal oligoclonal bands are rare. Magnetic resonance imaging (MRI) is the best means of distinguishing between DEM and MS. In the former, the lesion load is heavy, thalamus or basal ganglia are often affected, and early in the disease most of the lesions are usually larger than those of MS and enhance with gadolinium. The MRI spinal cord lesions are longer than three vertebral segments, and define neuromyelitis optica (NMO). Antibodies against aquaporin-4 are present in some NMO, but are also found in cases of MS and DEM. Most NMO are forms of DEM, not MS, and are identical with the 'Oriental' or 'optico-spinal' form of MS.
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Affiliation(s)
- C M Poser
- Department of Neurology, Harvard Medical School, Boston, MA, USA.
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Banwell B, Ghezzi A, Bar-Or A, Mikaeloff Y, Tardieu M. Multiple sclerosis in children: clinical diagnosis, therapeutic strategies, and future directions. Lancet Neurol 2007; 6:887-902. [PMID: 17884679 DOI: 10.1016/s1474-4422(07)70242-9] [Citation(s) in RCA: 236] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The onset of multiple sclerosis (MS) in childhood poses diagnostic and therapeutic challenges, particularly if the symptoms of the first demyelinating event resemble acute disseminated encephalomyelitis (ADEM). MRI is an invaluable diagnostic tool but it lacks the specificity to distinguish ADEM from the first attack of MS. Advanced MRI techniques might have the required specificity to reveal whether the loss of integrity in non-lesional tissue occurs as a fundamental feature of MS. Although the onset of MS in childhood typically predicts a favourable short-term prognosis, some children are severely disabled, either physically or cognitively, and more than 50% are predicted to enter the secondary-progressive phase of the disease by the age of 30 years. Immunomodulatory therapies for MS and their safe application in children can improve long-term prognosis. Genetic and environmental factors, such as viral infection, might be uniquely amenable to study in paediatric patients with MS. Understanding the immunological consequences of these putative exposures will shed light on the early pathological changes in MS.
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Affiliation(s)
- Brenda Banwell
- Department of Paediatrics, Division of Neurology, The Hospital for Sick Children, University of Toronto, Toronto, Canada.
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Mikaeloff Y, Caridade G, Husson B, Suissa S, Tardieu M. Acute disseminated encephalomyelitis cohort study: prognostic factors for relapse. Eur J Paediatr Neurol 2007; 11:90-5. [PMID: 17188007 DOI: 10.1016/j.ejpn.2006.11.007] [Citation(s) in RCA: 131] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2006] [Revised: 11/17/2006] [Accepted: 11/18/2006] [Indexed: 11/28/2022]
Abstract
To date, there is no available epidemiological study about prognostic factors of acute disseminated encephalomyelitis (ADEM) in children, using a cohort of patients with homogenous inclusion criteria. We aimed to evaluate prognostic factors for relapse after ADEM in children. A total of 132 children from the French National KIDSEP Neuropediatric Cohort (mean age at onset: 6+/-3.3 years; mean follow-up: 5.4+/-3.3 years; lost to follow-up: 10%). ADEM diagnosis was considered in a previously healthy patient acutely presenting more than one neurological deficit, change in mental state and MRI alterations including white matter changes. We used multivariate survival analysis (Cox model) evaluating the prognostic value of baseline clinical, biological and MRI covariates, for the occurrence of a second attack. Twenty-four (18%) of included patients had a second attack. An increased risk of relapse was associated with optic neuritis (hazard ratio, 5.23; 95% CI, 2-13.65), familial history of central nervous system inflammatory demyelination (7.79; 1.54-39.5), Barkhof multiple sclerosis (MS) criteria on MRI (2.52; 1.04-6.12) and no neurological sequelae after first attack (3.79; 1.12-12.85). Clinical and MRI prognostic factors for relapse in ADEM may contribute to an early distinction between monophasic and relapsing disease, which may be related to MS.
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Affiliation(s)
- Yann Mikaeloff
- Service de Neurologie Pédiatrique, Assistance publique-Hôpitaux de Paris, Hôpital Bicêtre, INSERM U 802 and Université Paris Sud 11, Le Kremlin Bicêtre, France.
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Taddeucci G, Bonuccelli A, Polacco P. Acute myelitis in a child: current hypotheses. Pediatr Neurol 2006; 35:430-2. [PMID: 17138014 DOI: 10.1016/j.pediatrneurol.2006.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2005] [Revised: 10/10/2005] [Accepted: 05/24/2006] [Indexed: 11/16/2022]
Abstract
This report presents the case of a child with atopic dermatitis, who developed progressive muscular weakness and hypotonia of the four limbs. The cervical spinal cord magnetic resonance imaging revealed a C(4) lesion (T(2)-weighted images); the cerebrospinal fluid findings were normal. Treatment with intravenous immunoglobulins and methylprednisolone obtained rapid clinical improvement, and approximately 1 month later the small C(4) lesion disappeared. Various diagnostic hypotheses are discussed: acute myelitis by infective agents, acute disseminated encephalomyelitis, multiphasic disseminated encephalomyelitis, multiple sclerosis, and isolated postinfective myelitis. Another hypothesis relates to atopic myelitis, a form recently described in the Japanese literature, associated with atopic dermatitis, hyperIgEemia, and high levels of specific immunoglobulin E to Dermatophagoides farinae and Dermatophagoides pteronyssinus. This diagnosis is difficult to confirm without biopsy evidence of eosinophilic inflammation.
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Affiliation(s)
- Grazia Taddeucci
- Department of Pediatrics, Section of Pediatric Neurology, University of Studies of Pisa, Italy.
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Abstract
Multiple sclerosis (MS) is an autoimmune demyelinating disorder of the central nervous system (CNS) that is increasingly recognized as a disease that affects children. Similar to adult-onset MS, children present with visual and sensory complaints, as well as weakness, spasticity, and ataxia. A lumbar puncture can be helpful in diagnosing MS when CSF immunoglobulins and oligoclonal bands are present. White matter demyelinating lesions on MRI are required for the diagnosis; however, children typically have fewer lesions than adults. Many criteria have been proposed to diagnose MS that have been applied to children, mostly above 10 years of age. The recent revisions to the McDonald criteria allow for earlier diagnosis, such as after a clinically isolated event. However, children are more likely than adults to have monosymptomatic illnesses. None of the approved disease-modifying therapies used in adult-onset MS have been approved for pediatrics; however, a few studies have verified their safety and tolerability in children. Although children and adults with MS have similar neurological symptoms, laboratory (cerebrospinal fluid) data, and neuroimaging findings, the clinical course, pathogenesis, and treatment of childhood onset MS require further investigation.
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Affiliation(s)
- Amy Waldman
- Department of Neurology, Children's Hospital of Philadelphia and the University of Pennsylvania, Philadelphia, Pennsylvania
- Department of Pediatrics, Children's Hospital of Philadelphia and the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Erin O'Connor
- Department of Pediatrics, Children's Hospital of Philadelphia and the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Gihan Tennekoon
- Department of Neurology, Children's Hospital of Philadelphia and the University of Pennsylvania, Philadelphia, Pennsylvania
- Department of Pediatrics, Children's Hospital of Philadelphia and the University of Pennsylvania, Philadelphia, Pennsylvania
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47
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Singhi PD, Ray M, Singhi S, Kumar Khandelwal N. Acute disseminated encephalomyelitis in North Indian children: clinical profile and follow-up. J Child Neurol 2006; 21:851-7. [PMID: 17005100 DOI: 10.1177/08830738060210100201] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Acute disseminated encephalomyelitis in children is not uncommon in developing countries, yet there is little systematic documentation of its clinical profile and follow-up. We studied the clinical and neuroradiologic features of acute disseminated encephalomyelitis in 52 consecutive children. Clinical details, magnetic resonance imaging (MRI) findings, and the results of other investigations were recorded, and children were followed up from 6 to 48 months. A repeat MRI was done after 3 to 4 months, and in those with persistent lesions, another MRI was done after 6 to 7 months of discharge. The mean age at presentation was 6.14 +/- 3.17 years, 73.1% were male, and 17 children had a history of antecedent infectious illness or vaccination. Most children had a meningoencephalitic presentation, with sudden-onset motor weakness in 76.9% and seizures in 36.5%. Altered sensorium and pyramidal signs were seen in 55.8% and 80.7% of children, respectively. On MRI, scattered T(2)-weighted hyperintense lesions were seen, mainly in the subcortical white matter, especially in the parietal (53.8%) and frontal (30.17%) regions. Thalamic, basal ganglia, and callosal lesions were seen in 30.76%, 17.3%, and 13.46% of cases, respectively. Variable contrast enhancement was seen in 48% of those who had contrast MRIs. The response to methylprednisolone was good, with dramatic recovery in 26.9% and marked improvement in 51.9% at discharge. On follow-up, of 44 children, residual smaller MRI lesions were seen in 30. The MRI was repeated at 6 months in children with residual lesions, and it was found that the lesions either disappeared or were significantly reduced after 6 months in 75% of cases. Four children had relapse of acute disseminated encephalomyelitis with new lesions on MRI. All of them responded to methylprednisolone. None of the clinical or neuroradiologic factors at presentation had any significant correlation with relapse. Six months after discharge, no deficits could be found in 61.3% of cases; 15.9% and 4.5% had motor and cognitive deficits, and 9% had multiple deficits. The presentation of pediatric acute disseminated encephalomyelitis in developing countries is similar to that in developed countries. In spite of an aggressive presentation, most children respond well to corticosteroids. MRI lesions disappear or are significantly reduced at 6 months in the majority of cases.
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Abstract
Japanese encephalitis (JE) is a serious encephalitis caused by JE virus. Approximately 20% of JE patients die and 50% patients recover with neuro-psychiatric sequelae. In Japan, the number of JE patients was over 1000 per year in 1960s; however, the number decreased dramatically and has been less than 10 since 1990. Ministry of Health, Labour and Welfare suspended the strong recommendation for vaccination with the mouse brain-derived JE vaccine, because of cases who developed acute disseminated encephalomyelitis (ADEM) after vaccination with JE vaccine. However, it has not been fully confirmed on scientific bases that ADEM was caused by mouse brain-derived JE vaccine. Tissue culture derived-JE vaccine is under development. It is expected that this new vaccine will come to the market soon and that the recommendation of universal vaccination with JE vaccine will be implemented at the earliest occasion.
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Affiliation(s)
- Ichiro Kurane
- Department of Virology 1, National Institute of Infectious Diseases, Tokyo, Japan.
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Martínez Antón A, Ramos Amador JT, Rojo Conejo P, Gómez Sánchez E, Salinas Sanz JA. Respuesta espectacular de una encefalomielitis aguda diseminada tras altas dosis de esteroides. An Pediatr (Barc) 2005; 63:462-3. [PMID: 16266628 DOI: 10.1157/13080418] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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50
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Dale RC, Branson JA. Acute disseminated encephalomyelitis or multiple sclerosis: can the initial presentation help in establishing a correct diagnosis? Arch Dis Child 2005; 90:636-9. [PMID: 15908633 PMCID: PMC1720450 DOI: 10.1136/adc.2004.062935] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
The differential diagnosis of CNS white matter disease is broad, and can be divided into vascular, metabolic, infective, or inflammatory aetiologies. Isolated inflammatory disorders of the CNS are often associated with demyelination, and the two terms (inflammatory and demyelinating) are often used in conjunction. When the disease is monophasic, the term acute disseminated encephalomyelitis (ADEM) is used. ADEM typically occurs as a post-infectious phenomenon, and by definition, must be an isolated (monophasic) episode. If a relapse occurs shortly after the ADEM presentation in association with a further infection or steroid withdrawal, the term MDEM (multiphasic disseminated encephalomyelitis) is used. When there are relapses or progressive disease, the term multiple sclerosis (MS) is used (for full recommended diagnostic criteria for multiple sclerosis refer to McDonald and colleagues).
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Affiliation(s)
- R C Dale
- Great Ormond Street Hospital NHS Trust and Institute of Child Health, London, UK.
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