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Trosman I, Ivanenko A. Classification and Epidemiology of Sleep Disorders in Children and Adolescents. Psychiatr Clin North Am 2024; 47:47-64. [PMID: 38302213 DOI: 10.1016/j.psc.2023.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Sleep disturbances are common in children and adolescents but still remain unrecognized and undertreated. Several classification systems of sleep disorders are available, which include recent attempts to develop more specific nosologic categories that reflect developmental aspects of sleep. The prevalence of sleep disorders has been studied across various samples of healthy, typically developing children and those with special medical, psychiatric, and neurodevelopmental needs. Sleep disorders are highly prevalent in children and adolescents with psychiatric disorders, making it important for mental health professionals to be aware of sleep problems and to address them in the context of psychiatric comorbidities.
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Affiliation(s)
- Irina Trosman
- Division of Pulmonary and Sleep Medicine, Ann and Robert H. Lurie Children's Hospital of Chicago, 225 East Chicago Avenue Box 43, Chicago, IL 60611-2991, USA
| | - Anna Ivanenko
- Division of Child and Adolescent Psychiatry, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA.
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Jiménez-Jiménez FJ, Alonso-Navarro H, García-Martín E, Agúndez JAG. Sleep Disorders and Sleep Problems in Patients With Tourette Syndrome and Other Tic Disorders: Current Perspectives. Nat Sci Sleep 2022; 14:1313-1331. [PMID: 35915721 PMCID: PMC9338347 DOI: 10.2147/nss.s340948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 07/01/2022] [Indexed: 11/23/2022] Open
Abstract
Sleep disorders seem to be a frequent complaint of patients diagnosed with Tourette syndrome (TS) or chronic or persistent tic disorders (CTD or PTD). In this review, we expanded a previously used search using 4 well-known databases up to February 15, 2022, looking for the coexistence of global and/or specific sleep disorders and polysomnographic studies performed on patients with TS/CTD/PTD. The references of interest in the topic were selected by hand. Sleep disorders in general, insomnia, different arousal disorders, the persistence of tics during sleep, excessive daytime sleepiness, and periodic limb movements during sleep (PLMS) were very frequent in patients with TS, most of them being more frequent in patients with comorbid Attention Deficit Hyperactivity Disorder. The most frequent results from polysomnographic studies were decreased sleep efficiency and increased sleep onset latency. Many of these findings could be related to medication used for the treatment of tics and comorbid disorders.
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Affiliation(s)
| | | | - Elena García-Martín
- Universidad de Extremadura, University Institute of Molecular Pathology Biomarkers, ARADyAL, Cáceres, Spain
| | - José A G Agúndez
- Universidad de Extremadura, University Institute of Molecular Pathology Biomarkers, ARADyAL, Cáceres, Spain
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Abstract
Healthy sleep is of utmost importance for growth, development, and overall health. Strong evidence shows that sleep is affected negatively in patients and particularly children with Tourette Disorder (TD). There is also a frequent association of TD with Attention Deficit Hyperactivity Disorder (ADHD) which alone has negative effects on sleep and cumulatively worsens the associated sleep findings. The most consistent polysomnographic findings in patients with TD is decreased total sleep time, lower sleep efficiency and an elevated arousal index. Polysomnography studies have confirmed the presence of movements and persistence of tics during both Rapid Eye Movement (REM) and NREM sleep [1]. In general Patients with TD are found to have an increased incidence of sleep onset and sleep maintenance insomnia. Some studies have shown increased incidence of parasomnias (including sleepwalking, sleep talking and night terrors), but this may be confounded by the increased underlying sleep disruptions seen in TD. The hypersomnolence found in patients with TD is also suggested to be secondary to the underlying TD sleep disruption. There is not a significant association with sleep disordered breathing or circadian rhythm disorders and TD. Treatment of underlying TD is important for the improvement of sleep related TD manifestations and is outlined in this review.
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Affiliation(s)
- Justin L Blaty
- Seattle Children's Hospital, University of Washington, Seattle, WA, United States
| | - Lourdes M DelRosso
- Seattle Children's Hospital, University of Washington, Seattle, WA, United States.
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Abstract
Sleep disturbances are common in children and adolescents but still remain unrecognized and undertreated. Several classification systems of sleep disorders are available, which include recent attempts to develop more specific nosologic categories that reflect developmental aspects of sleep. The prevalence of sleep disorders has been studied across various samples of healthy, typically developing children and those with special medical, psychiatric, and neurodevelopmental needs. Sleep disorders are highly prevalent in children and adolescents with psychiatric disorders, making it important for mental health professionals to be aware of sleep problems and to address them in the context of psychiatric comorbidities.
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Affiliation(s)
- Irina Trosman
- Division of Pulmonary and Sleep Medicine, Ann and Robert H. Lurie Children's Hospital of Chicago, 225 East Chicago Avenue Box 43, Chicago, IL 60611-2991, USA
| | - Anna Ivanenko
- Division of Child and Adolescent Psychiatry, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA.
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Baltzan M, Yao C, Rizzo D, Postuma R. Dream enactment behavior: review for the clinician. J Clin Sleep Med 2020; 16:1949-1969. [PMID: 32741444 PMCID: PMC8034224 DOI: 10.5664/jcsm.8734] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/24/2020] [Accepted: 07/24/2020] [Indexed: 12/12/2022]
Abstract
NONE Dream enactment behavior commonly occurs on occasion in normal children and adults. Disruptive and frequent dream enactment behavior may come to the attention of the clinician either as the primary reason for consultation or as a prominent characteristic of a patient with other sleep disorders. Questioning patients with chronic neurologic and psychiatric disorders may also reveal previously unrecognized behavior. In the absence of sleep pathology, process of dream enactment likely begins with active, often emotionally charged dream content that may occasionally break through the normal REM sleep motor suppressive activity. Disrupted sleep resulting from many possible causes, such as circadian disruption, sleep apnea, or medications, may also disrupt at least temporarily the motor-suppressive activity in REM sleep, allowing dream enactment to occur. Finally, pathological neurological damage in the context of degenerative, autoimmune, and infectious neurological disorders may lead to chronic recurrent and severe dream enactment behavior. Evaluating the context, frequency, and severity of dream enactment behavior is guided first and foremost by a structured approach to the sleep history. Physical exam and selected testing support the clinical diagnosis. Understanding the context and the likely cause is essential to effective therapy.
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Affiliation(s)
- Marc Baltzan
- Faculty of Medicine, Department of Epidemiology Biostatistics and Occupational Health, McGill University, Montréal, Canada
- Centre Intégré Universitaire des Soins et Services Sociaux du Nord de L’île de Montréal, Montréal, Canada
- Mount Sinai Hospital, Centre Intégré Universitaire des Soins et Services Sociaux du Centre-ouest de L’île de Montréal, Montréal, Canada
- Institut de Médecine du Sommeil, Montréal, Canada
| | - Chun Yao
- Integrated Program in Neuroscience, McGill University, Montréal, Canada
- Research Institute of McGill University Health Centre, Montréal, Canada
| | - Dorrie Rizzo
- Faculty of Medicine, Department of Family Medicine, McGill University, Montréal, Canada
- Lady Davis Institute for Medical Research, Centre Intégré Universitaire des Soins et Services Sociaux de l’ouest de l’île, Montréal, Canada
| | - Ron Postuma
- Research Institute of McGill University Health Centre, Montréal, Canada
- Department of Neurology and Neurosurgery, McGill University, Montréal, Canada
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Jiménez-Jiménez FJ, Alonso-Navarro H, García-Martín E, Agúndez JAG. Sleep disorders in tourette syndrome. Sleep Med Rev 2020; 53:101335. [PMID: 32554211 DOI: 10.1016/j.smrv.2020.101335] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 03/20/2020] [Accepted: 03/20/2020] [Indexed: 11/18/2022]
Abstract
Sleep disorders are very common in patients diagnosed with Tourette syndrome (TS). The present review focuses on sleep disorders and the results of polysomnographic studies performed in patients with TS. We made a search using the PubMed, Embase, MedLine, and Web of Science Databases, from 1966 until November 14, 2019, crossing the search term "Tourette syndrome" with "sleep", "sleep disorders", "sleep disturbances", and "polysomnography", and with each of the specific sleep disorders listed according to the International Classification of the Sleep Disorders-Third Edition. Then we identified the references of interest for the topic. Insomnia, excessive daytime sleepiness, disorders of arousal (sleepwalking, sleeptalking, sleep terrors, and enuresis), the persistence of tics during sleep, and presence of periodic limb movements during sleep (PLMS) were very frequent in patients with TS. These disturbances were more frequent in children and in patients with comorbid Attention Deficit Hyperactivity Disorder. Decreased sleep efficiency, decreased percentage of delta sleep, increased nocturnal awakenings and increased PLMS were the most consistent findings in the polysomnographic studies.
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Affiliation(s)
| | | | - Elena García-Martín
- University Institute of Molecular Pathology Biomarkers, UNEx, ARADyAL Instituto de Salud Carlos III, Cáceres, Spain
| | - José A G Agúndez
- University Institute of Molecular Pathology Biomarkers, UNEx, ARADyAL Instituto de Salud Carlos III, Cáceres, Spain
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Abstract
Background:Most of the patients with Tourette Syndrome (TS) present additional comorbidities. Attention Deficit Hyperactivity Disorder (ADHD) and Obsessive-Compulsive Disorder (OCD) are the most common. Sleep Disorder has been suggested also as common comorbidity.Objective:To review the literature on sleep characteristics and sleep disorder in patients with Tourette Syndrome (TS), with emphasis on the contribution of specific co-morbidities to the severity of impaired sleep and life quality of the patients.Results:In general, sleep problems are not frequent at the age when tics appear which are estimated to affect about 10 % of these children. In severe cases, tics appear in all sleep stages. In a large study, the prevalence of sleep problems was 17.8% but was 12 % in “TS-only” (9.4% in children and 7.5 in adults) compared to 22% in children and 18% in adults with TS+ADHD. Unfortunately, in most of the studies, the characteristics of these “sleep problems” are not defined. In spite of the scarcity of data, the two main sleep disorders in TS patients are insomnia and parasomnias. Although much more data is needed, many TS subjects are sleep deprived (which exacerbate the tics) and may suffer from excessive daytime sleepiness, which negatively affects normal functioning.Conclusions:Although the literature is not conclusive, children and adolescents with TS appear to suffer more from sleep disturbances and sleep disorders than age-matched controls. Not all patients have tics during sleep, but in severe cases, tics may appear in all sleep stages. It is clear that when patients present both TS and ADHD, (a very common condition), the sleep difficulties are related mainly to ADHD. Much more research is warranted in all aspects of sleep and sleep disorders in TS.
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Affiliation(s)
- Arie Oksenberg
- Sleep Disorders Unit, Loewenstein Hospital, Rehabilitation Center, POB 3, Raanana, Israel
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Shukla G, Gupta A, Chakravarty K, Joseph AA, Ravindranath A, Mehta M, Gulati S, Kabra M, Mohammed A, Poornima S. Rapid Eye Movement (REM) Sleep Behavior Disorder and REM Sleep with Atonia in the Young. Can J Neurol Sci 2020; 47:100-8. [PMID: 31549602 DOI: 10.1017/cjn.2019.302] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND Rapid eye movement (REM) sleep behavior disorder (RBD) and REM sleep without atonia (RWA) have assumed much clinical importance with long-term data showing progression into neurodegenerative conditions among older adults. However, much less is known about RBD and RWA in younger populations. This study aims at comparing clinical and polysomnographic (PSG) characteristics of young patients presenting with RBD, young patients with other neurological conditions, and normal age-matched subjects. METHODS A retrospective chart review was carried out for consecutive young patients (<25 years) presenting with clinical features of RBD; and data were compared to data from patients with epilepsy, attention deficit hyperactivity disorder (ADHD), and autism, as well as normal subjects who underwent PSG during a 2-year-period. RESULTS Twelve patients fulfilling RBD diagnostic criteria, 22 autism patients, 10 with ADHD, 30 with epilepsy, and 14 normal subjects were included. Eight patients with autism (30%), three with ADHD (30%), one with epilepsy (3.3%), and six patients who had presented with RBD like symptoms (50%) had abnormal movements and behaviors during REM sleep. Excessive transient muscle activity and/or sustained muscle activity during REM epochs was found in all patients who had presented with RBD, in 16/22 (72%) autistic patients, 6/10 (60%) ADHD patients compared to only 6/30 (20%) patients with epilepsy and in none of the normal subjects. CONCLUSION We observed that a large percentage of young patients with autism and ADHD and some with epilepsy demonstrate loss of REM-associated atonia and some RBD-like behaviors on polysomnography similar to young patients presenting with RBD.
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Mainka T, Balint B, Gövert F, Kurvits L, van Riesen C, Kühn AA, Tijssen MAJ, Lees AJ, Müller-Vahl K, Bhatia KP, Ganos C. The spectrum of involuntary vocalizations in humans: A video atlas. Mov Disord 2019; 34:1774-1791. [PMID: 31651053 DOI: 10.1002/mds.27855] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 07/22/2019] [Accepted: 08/21/2019] [Indexed: 12/11/2022] Open
Abstract
In clinical practice, involuntary vocalizing behaviors are typically associated with Tourette syndrome and other tic disorders. However, they may also be encountered throughout the entire tenor of neuropsychiatry, movement disorders, and neurodevelopmental syndromes. Importantly, involuntary vocalizing behaviors may often constitute a predominant clinical sign, and, therefore, their early recognition and appropriate classification are necessary to guide diagnosis and treatment. Clinical literature and video-documented cases on the topic are surprisingly scarce. Here, we pooled data from 5 expert centers of movement disorders, with instructive video material to cover the entire range of involuntary vocalizations in humans. Medical literature was also reviewed to document the range of possible etiologies associated with the different types of vocalizing behaviors and to explore treatment options. We propose a phenomenological classification of involuntary vocalizations within different categorical domains, including (1) tics and tic-like vocalizations, (2) vocalizations as part of stereotypies, (3) vocalizations as part of dystonia or chorea, (4) continuous vocalizing behaviors such as groaning or grunting, (5) pathological laughter and crying, (6) vocalizations resembling physiological reflexes, and (7) other vocalizations, for example, those associated with exaggerated startle responses, as part of epilepsy and sleep-related phenomena. We provide comprehensive lists of their associated etiologies, including neurodevelopmental, neurodegenerative, neuroimmunological, and structural causes and clinical clues. We then expand on the pathophysiology of the different vocalizing behaviors and comment on available treatment options. Finally, we present an algorithmic approach that covers the wide range of involuntary vocalizations in humans, with the ultimate goal of improving diagnostic accuracy and guiding appropriate treatment. © 2019 The Authors. Movement Disorders published by Wiley Periodicals, Inc. on behalf of International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Tina Mainka
- Department of Neurology, Charité University Medicine Berlin, Berlin, Germany
| | - Bettina Balint
- Department of Clinical and Movement Neurosciences, Queen Square Institute of Neurology, University College London, London, UK.,Department of Neurology, University Hospital Heidelberg, Heidelberg, Germany
| | - Felix Gövert
- Department of Neurology, University Hospital Schleswig-Holstein, Christian-Albrechts-University, Kiel, Germany
| | - Lille Kurvits
- Department of Neurology, Charité University Medicine Berlin, Berlin, Germany
| | - Christoph van Riesen
- Department of Neurology, Charité University Medicine Berlin, Berlin, Germany.,Department of Neurology, University Medicine Göttingen, Göttingen, Germany
| | - Andrea A Kühn
- Department of Neurology, Charité University Medicine Berlin, Berlin, Germany
| | - Marina A J Tijssen
- Department of Neurology, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
| | - Andrew J Lees
- Reta Lila Weston Institute of Neurological Studies, UCL, Institute of Neurology, London, UK
| | - Kirsten Müller-Vahl
- Clinic of Psychiatry, Socialpsychiatry and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Kailash P Bhatia
- Department of Clinical and Movement Neurosciences, Queen Square Institute of Neurology, University College London, London, UK
| | - Christos Ganos
- Department of Neurology, Charité University Medicine Berlin, Berlin, Germany
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Abstract
Rapid eye movement (REM) sleep behaviour disorder (RBD) is a parasomnia characterised by the loss of the normal atonia during the REM stage of sleep, resulting in overt motor behaviours that usually represent the enactment of dreams. Patients will seek medical attention due to sleep-related injuries or unpleasant dream content. Idiopathic RBD which occurs independently of any other disease occurs in up to 2% of the older population. Meanwhile, secondary RBD is very common in association with certain neurodegenerative conditions. RBD can also occur in the context of antidepressant use, obstructive sleep apnoea and narcolepsy. RBD can be diagnosed with a simple screening question followed by confirmation with polysomnography to exclude potential mimics. Treatment for RBD is effective and involves treatment of underlying causes, modification of the sleep environment, and pharmacotherapy with either clonazepam or melatonin. An important finding in the past decade is the recognition that almost all patients with idiopathic RBD will ultimately go on to develop Parkinson disease or dementia with Lewy bodies. This suggests that idiopathic RBD represents a prodromal phase of these conditions. Physicians should be aware of the risk of phenoconversion. They should educate idiopathic RBD patients to recognise the symptoms of these conditions and refer as appropriate for further testing and enrolment into research trials focused on neuroprotective measures.
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Affiliation(s)
- Elie Matar
- Brain and Mind Centre, University of Sydney, Sydney, NSW
| | - Simon Jg Lewis
- Brain and Mind Centre, University of Sydney, Sydney, NSW
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Rodriguez CL, Jaimchariyatam N, Budur K. Rapid Eye Movement Sleep Behavior Disorder. Chest 2017; 152:650-662. [DOI: 10.1016/j.chest.2017.03.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 02/14/2017] [Accepted: 03/04/2017] [Indexed: 10/19/2022] Open
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Ghosh D, Rajan PV, Das D, Datta P, Rothner AD, Erenberg G. Sleep disorders in children with Tourette syndrome. Pediatr Neurol 2014; 51:31-5. [PMID: 24938137 DOI: 10.1016/j.pediatrneurol.2014.03.017] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 03/19/2014] [Accepted: 03/21/2014] [Indexed: 11/15/2022]
Abstract
BACKGROUND The objective of this study was to determine the frequency, nature, and impact of sleep disorders in children and adolescents with Tourette syndrome and to raise awareness about their possible inclusion as a Tourette syndrome comorbidity. METHODS Using a prospective questionnaire, we interviewed 123 patients of age ≤21 years with a confirmed diagnosis of Tourette syndrome. Each completed questionnaire was then reviewed in accordance with Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, criteria for categorization to a form of sleep disorder. RESULTS Of the 123 patients with Tourette syndrome, 75 (61%) had comorbid attention deficit hyperactivity disorder and 48 (39%) had Tourette without attention deficit hyperactivity disorder. The sleep problems observed included problems in the nature of sleep, abnormal behaviors during sleep, and impact of sleep disturbances on quality of life. Within these cohorts, 31 (65%) of the 48 Tourette-only patients and 48 (64%) of the 75 Tourette + attention deficit hyperactivity disorder patients could fit into some form of Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, coded sleep disorders. Of the 48 Tourette + attention deficit hyperactivity disorder patients with sleep disorders, 36 (75%) had insomnia signs, which could be explained by the co-occurrence of attention deficit hyperactivity disorder and high stimulant use. However, 10 (32%) of the 31 Tourette-only patients with sleep disorders had insomnia irrespective of attention deficit hyperactivity disorder or medication use. CONCLUSIONS Sleep problems are common in children with Tourette syndrome irrespective of comorbid attention deficit hyperactivity disorder, justifying their inclusion as a comorbidity of Tourette syndrome.
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Affiliation(s)
- Debabrata Ghosh
- Division of Pediatric Neurology, Nationwide Children's Hospital, Columbus, Ohio.
| | | | - Deepanjana Das
- Pediatric Neurology Center, Children's Hospital, Cleveland Clinic, Cleveland, Ohio
| | - Priya Datta
- Pediatric Neurology Center, Children's Hospital, Cleveland Clinic, Cleveland, Ohio
| | - A David Rothner
- Pediatric Neurology Center, Children's Hospital, Cleveland Clinic, Cleveland, Ohio
| | - Gerald Erenberg
- Pediatric Neurology Center, Children's Hospital, Cleveland Clinic, Cleveland, Ohio
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Ferri R, Zucconi M, Marelli S, Plazzi G, Schenck CH, Ferini-Strambi L. Effects of long-term use of clonazepam on nonrapid eye movement sleep patterns in rapid eye movement sleep behavior disorder. Sleep Med 2013; 14:399-406. [DOI: 10.1016/j.sleep.2013.01.007] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2012] [Revised: 01/17/2013] [Accepted: 01/25/2013] [Indexed: 11/24/2022]
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Kotagal S, Nichols CD, Grigg-Damberger MM, Marcus CL, Witmans MB, Kirk VG, D'Andrea LA, Hoban TF. Non-respiratory indications for polysomnography and related procedures in children: an evidence-based review. Sleep 2012; 35:1451-66. [PMID: 23115394 DOI: 10.5665/sleep.2188] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
OBJECTIVE This evidence-based review provides a systematic and comprehensive review of the literature regarding the utility of polysomnography for the evaluation of non-respiratory sleep disorders in children including hypersomnias, parasomnias, sleep-related movement disorders, and sleep in other special populations. METHODS A task force of pediatric sleep medicine experts performed a systematic review of the literature regarding the use of polysomnography for non-respiratory sleep disorders in children. They identified and graded 76 papers as evidence. RESULTS The main results include (1) polysomnography combined with the multiple sleep latency test is useful for evaluating disorders of excessive somnolence to objectively quantify sleepiness. The results have to be interpreted with consideration of the pubertal stage and regularity of the sleep patterns of the child; (2) polysomnography is indicated in children with parasomnias or sleep related movement disorders who have a high likelihood of having obstructive sleep apnea (OSA); (3) polysomnography is not routinely indicated in children with enuresis unless there is a high likelihood of OSA; (4) polysomnography can be helpful in evaluating children with restless legs syndrome (RLS) and when periodic limb movement disorder (PLMD) is suspected. CONCLUSIONS These findings suggest that, in children with non-respiratory sleep disorders, polysomnography should be a part of a comprehensive sleep evaluation in selected circumstances to determine the nature of the events in more detail or when the suspicion of OSA is relatively high.
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Zanigni S, Calandra-Buonaura G, Grimaldi D, Cortelli P. REM behaviour disorder and neurodegenerative diseases. Sleep Med 2012; 12 Suppl 2:S54-8. [PMID: 22136901 DOI: 10.1016/j.sleep.2011.10.012] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2011] [Revised: 10/11/2011] [Accepted: 10/12/2011] [Indexed: 11/29/2022]
Abstract
Rapid-eye movement (REM) sleep behaviour disorder (RBD) is an REM sleep parasomnia characterized by enactment of dream content during REM sleep associated with loss of muscle atonia. RBD can be either idiopathic or secondary to drugs or other diseases. The best recognized association is with neurodegenerative diseases, namely alpha-synucleinopathies. RBD may represent the first feature of neurodegeneration and can be considered an early marker of these disorders. This review describes the main clinical, pathogenetic, and therapeutic features of RBD, pointing to its association with neurodegenerative diseases and emphasizing the clinical and prognostic implications.
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Affiliation(s)
- Stefano Zanigni
- Clinica Neurologica, Department of Neurological Sciences, University of Bologna, Via Ugo Foscolo 7, 40123 Bologna, Italy
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Abstract
Tourette syndrome is a hereditary, childhood-onset neurodevelopmental disorder that was first clearly described in France in 1885. This disorder is characterized by sudden, rapid, recurrent, nonrhythmic movements (motor tics) or sounds (vocal or phonic tics), often preceded by premonitory sensations or urges. Some individuals also have psychiatric comorbidities, notably attention-deficit hyperactivity disorder or obsessive-compulsive disorder. Tourette syndrome occurs worldwide, in all races and ethnicities, in both sexes and in children as well as in adults. Estimates of its prevalence in children vary, with rates of up to 1% being reported, but rates of 0.3-0.8% are thought to accurately reflect the occurrence of the disorder. Research has led to progress in many aspects of Tourette syndrome, although many questions and unmet needs remain. For example, except for rare cases, the genetic basis remains elusive. The anatomical and neuronal changes in the brain that underlie Tourette syndrome are also unclear, although the evidence increasingly implicates alterations in basal ganglia function. Treatment is often unnecessary for individuals with mild tics, but for those with moderate to severe forms of the syndrome, some drugs are available, albeit frequently ineffective. Behavioral and surgical therapies, in particular deep brain stimulation, are currently undergoing development and show promising results. This Review examines the history of Tourette syndrome and describes its clinical presentation. The article also provides an overview of the epidemiology and pathophysiology of this disorder. Current treatment strategies and potential future therapies are also discussed.
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Affiliation(s)
- Kevin St P McNaught
- Medical and Scientific Programs, National Tourette Syndrome Association, 42-40 Bell Boulevard, Suite 205, Bayside, NY 11361, USA.
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Ferri R, Manconi M, Plazzi G, Bruni O, Vandi S, Montagna P, Ferini-Strambi L, Zucconi M. A quantitative statistical analysis of the submentalis muscle EMG amplitude during sleep in normal controls and patients with REM sleep behavior disorder. J Sleep Res 2008; 17:89-100. [PMID: 18275559 DOI: 10.1111/j.1365-2869.2008.00631.x] [Citation(s) in RCA: 143] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The aim of this study was to evaluate quantitatively the amplitude of the submentalis muscle EMG activity during sleep in controls and in patients with idiopathic REM sleep behavior disorder (RBD) or with RBD and multiple system atrophy (MSA). We recruited 21 patients with idiopathic RBD, 10 with MSA, 10 age-matched and 24 young normal controls. The average amplitude of the rectified submentalis muscle EMG signal was used for the assessment of atonia and a Sleep Atonia Index was developed; moreover, also chin muscle activations were detected and their duration and interval analyzed. The Sleep Atonia Index was able to distinguish clearly REM from NREM sleep in normal controls with values very close to 1 in young normal subjects and only slightly (but significantly) lower in old controls. Idiopathic RBD patients showed a further significant decrease of this index; MSA patients showed the lowest values of REM Sleep Atonia Index, which were very well distinguishable from those of normal controls and of idiopathic RBD patients. The distribution of the duration of chin activations was monomodal in all groups, with idiopathic RBD patients showing the highest levels. This study is a really quantitative attempt to provide practical indices for the objective evaluation of EMG atonia during REM sleep and of EMG activations. Our proposed Sleep Atonia Index can have a practical application in the clinical evaluations of patients and represents an additional useful parameters to be used in conjunction with the other criteria for the diagnosis of this sleep motor disorder.
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Affiliation(s)
- Raffaele Ferri
- Sleep Research Centre, Department of Neurology I.C., Oasi Institute (IRCCS), Troina, Italy.
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Nevsimalova S, Prihodova I, Kemlink D, Lin L, Mignot E. REM behavior disorder (RBD) can be one of the first symptoms of childhood narcolepsy. Sleep Med 2007; 8:784-6. [PMID: 17569582 DOI: 10.1016/j.sleep.2006.11.018] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2006] [Revised: 11/21/2006] [Accepted: 11/26/2006] [Indexed: 11/21/2022]
Abstract
More than one in three adult patients suffering from narcolepsy-cataplexy experience rapid eye movement (REM) behavior disorder (RBD), while RBD in childhood is extremely rare. We present the cases of two girls (aged 9 and 7 years old) with narcolepsy-cataplexy, in whom RBD was one of the first symptoms of the disease. The coincidence of RBD was seen by nocturnal video-polysomnography (v-PSG), and narcolepsy was diagnosed from short sleep latency and multiple sleep onset REMs (SOREMs) during a multiple sleep latency test (MSLT). Both girls were human leukocyte antigen (HLA)-DQB1 *0602 positive, and their cerebrospinal fluid (CSF) hypocretin level (Hcrt-1) was extremely low.
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Affiliation(s)
- Sona Nevsimalova
- Department of Neurology, 1st Medical Faculty, Charles University, Prague, Czech Republic.
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Kirov R, Kinkelbur J, Banaschewski T, Rothenberger A. Sleep patterns in children with attention-deficit/hyperactivity disorder, tic disorder, and comorbidity. J Child Psychol Psychiatry 2007; 48:561-70. [PMID: 17537072 DOI: 10.1111/j.1469-7610.2007.01729.x] [Citation(s) in RCA: 81] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND In children, attention-deficit/hyperactivity disorder (ADHD), tic disorder (TD), and their coexistence (ADHD + TD comorbidity) are very common and clinically important. Associated sleep patterns and their clinical role are still insufficiently investigated. This study aimed at characterizing these sleep patterns in children with ADHD, TD, and ADHD + TD comorbidity and determining whether, in ADHD + TD, the factors ADHD and TD may affect the sleep pattern in an independent (additive) or in a complex (interactive) manner. METHOD By means of polysomnography, sleep patterns were investigated in 4 groups of unmedicated 8.0-16.4-year-old children (healthy controls, ADHD-only, TD-only, and ADHD + TD). Each group consisted of 18 subjects matched for age, gender, and intelligence. RESULTS ADHD was primarily characterized by increase in rapid eye movement (REM) sleep, whereas TD patients displayed lower sleep efficiency and elevated arousal index in sleep. In children with ADHD + TD, both effects appeared. No interaction between the ADHD and TD factors was found for any of the sleep parameters. Significant correlations between sleep patterns and clinical symptoms were found. CONCLUSIONS ADHD and TD are characterized by specific sleep alterations. When coexisting, the two disorders alter the sleep pattern in an additive manner, suggesting a high impact on clinical and therapeutic perspectives.
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Affiliation(s)
- Roumen Kirov
- Institute of Physiology, Bulgarian Academy of Sciences, Sofia, Bulgaria
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Abstract
Rapid-eye-movement (REM) sleep behaviour disorder (RBD) is characterised by loss of muscular atonia and prominent motor behaviours during REM sleep. RBD can cause sleep disruption and severe injuries for the patient or bed partner. The disorder is strongly associated with neurodegenerative diseases, such as multiple-system atrophy, Parkinson's disease, dementia with Lewy bodies, and progressive supranuclear palsy. In many cases, the symptoms of RBD precede other symptoms of these neurodegenerative disorders by several years. Furthermore, several recent studies have shown that RBD is associated with abnormalities of electroencephalographic activity, cerebral blood flow, and cognitive, perceptual, and autonomic functions. RBD might be a stage in the development of neurodegenerative disorders and increased awareness of this could lead to substantial advances in knowledge of mechanisms, diagnosis, and treatment of neurodegenerative disorders.
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Affiliation(s)
- Jean-François Gagnon
- Centre d'étude du Sommeil et des Rythmes Biologiques, Hôpital du Sacré-Coeur de Montréal, Québec, Canada
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