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Alessandri-Bonetti A, Guglielmi F, Deledda G, Sangalli L, Brogna C, Gallenzi P. Malocclusions, Sleep Bruxism, and Obstructive Sleep Apnea Risk in Pediatric ADHD Patients: A Prospective Study. J Atten Disord 2024; 28:1017-1023. [PMID: 38327066 DOI: 10.1177/10870547231226139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
OBJECTIVES Literature presents conflicting results regarding malocclusions, Obstructive Sleep Apnea (OSA) and sleep bruxism in children with ADHD. Aim of this study was to evaluate the prevalence of these parameters. METHODS A prospective study was conducted on 40 consecutive ADHD children referred to the Paediatric Dentistry Unit of Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome. All subjects underwent an orthodontic examination and were screened for OSA and sleep bruxism. Data were compared to a sex- and aged-matched control group. RESULTS Prevalence of high risk of OSA in children with ADHD was 62.5% compared to 10% in the control group (p < .00001). No differences were found in any of the occlusal variables examined between children with ADHD and controls (p > .05). An increased prevalence of sleep bruxism was observed in ADHD children (40%) compared to controls (7.5%) (p < .001). CONCLUSIONS A higher prevalence of OSA risk and probable sleep bruxism were observed in ADHD patients compared with controls. No significant differences were observed in malocclusions d.
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Affiliation(s)
| | | | - Giulia Deledda
- Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome
| | | | - Claudia Brogna
- Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome
| | - Patrizia Gallenzi
- Università Cattolica del Sacro Cuore, Rome, Italy
- Fondazione Policlinico Universitario "A. Gemelli" IRCCS, Rome
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2
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Ma D, Wu Y, Wang C, Zhao F, Xu Z, Ni X. Characteristics of ADHD Symptoms and EEG Theta/Beta Ratio in Children With Sleep Disordered Breathing. Clin EEG Neurosci 2024:15500594241234828. [PMID: 38403954 DOI: 10.1177/15500594241234828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
Objectives. This study aimed to explore parent-reported symptoms of attention deficit-hyperactivity disorder (ADHD) and sleep electroencephalogram (EEG) theta/beta ratio (TBR) characteristics in children with sleep disordered breathing (SDB). Methods. The parents of children (aged 6-11 years) with SDB (n = 103) and healthy controls (n = 28) completed the SNAP-IV questionnaire, and children underwent overnight polysomnography. Children with SDB were grouped according to obstructive apnea/hypopnea index: primary snoring, mild, and moderate-severe obstructive sleep apnea (OSA) groups. The TBR in non-rapid eye movement (NREM) periods in three sleep cycles was analyzed. Results. Children with SDB showed worse ADHD symptoms compared with the healthy control. There was no intergroup difference in TBR. The time-related decline in TBR observed in the control, primary snoring and mild OSA groups, which was not observed in the moderate-severe OSA group. Overnight transcutaneous oxygen saturation was negatively associated with the hyperactivity/impulsivity score of ADHD symptom. The global TBR during the NREM period in the first sleep cycle was positively correlated with inattention score. Conclusion. Children with SDB showed more ADHD inattention symptoms than the healthy control. Although we found no difference in TBR among groups, we found significant main effect for NREM period. There existed a relationship between hypoxia, TBR, and scores of ADHD symptoms. Hence, it was speculated that TBR can reflect the nocturnal electrophysiological manifestations in children with SDB, which may be related to daytime ADHD symptoms.
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Affiliation(s)
- Dandi Ma
- Department of Respiratory Medicine, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Yunxiao Wu
- Beijing Key Laboratory of Pediatric Otolaryngology, Head & Neck Surgery, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Changming Wang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Fujun Zhao
- Department of Otolaryngology, Head and Neck Surgery, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Zhifei Xu
- Department of Respiratory Medicine, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Xin Ni
- Department of Otolaryngology, Head and Neck Surgery, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
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Denis I, Turcotte S, Morin CM, Belleville G, Foldes-Busque G. A preliminary validation of the pediatric adaptation of the Insomnia Severity Index. L'ENCEPHALE 2023; 49:474-480. [PMID: 36244838 DOI: 10.1016/j.encep.2022.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 05/03/2022] [Accepted: 05/12/2022] [Indexed: 06/16/2023]
Abstract
INTRODUCTION The prevalence of insomnia in children aged 5 to 12 years old is 20% to 31%. Currently, there is no well-validated questionnaire assessing all the components of insomnia in school-aged children. The present study aims to introduce an adaptation of the Insomnia Severity Index for this purpose. METHOD Fifty-nine children aged 8- to 12-years-old with at least one anxiety disorder were recruited from youth mental health care settings. Their parents completed the pediatric adaptation of the Insomnia Severity Index which includes two scales used to report insomnia symptoms in children and their impact on the child (ISI-Child) and parents (ISI-Parent), My Child's Sleep Habits questionnaire, and the Child Behavior Checklist. RESULTS Both the ISI-Child and the ISI-Parent scales presented adequate factorial structure (RMSEA ≤ 0.05) and internal consistency (ISI-Child: α=0.87; ISI-Parent: α=0.88). Furthermore, the results of the two scales were strongly correlated (r=0.91, P<0.001). The convergent validity was assessed using the Waking During the Night scale of the My Child's Sleep Habits questionnaire and was adequate for the ISI-Child (r=0.52, P<0.001) and the ISI-Parent (r=0.53, P<0.001). Finally, the Rule-Breaking Behavior (r ≤ 0.26, P ≥ 0.05) and Aggressive Behavior (r ≤ 0.19, P ≥ 0.19) scales of the Child Behavior Checklist showed small correlations with both subscales, indicating good divergent validity. CONCLUSION The pediatric adaptation of the Insomnia Severity Index is a potentially reliable and valid measure for screening and assessing insomnia in children.
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Affiliation(s)
- I Denis
- School of Psychology, Université Laval, G1V 0A6 Québec City, Canada; Research Centre, Centre intégré de santé et de services sociaux de Chaudière-Appalaches, G6V 3Z1 Lévis, Canada; Centre de recherche universitaire sur les jeunes familles, G1C 3S2 Québec City, Canada.
| | - S Turcotte
- Research Centre, Centre intégré de santé et de services sociaux de Chaudière-Appalaches, G6V 3Z1 Lévis, Canada
| | - C M Morin
- Research Centre, Centre intégré de santé et de services sociaux de Chaudière-Appalaches, G6V 3Z1 Lévis, Canada; Centre d'étude des troubles du sommeil, centre de recherche, institut universitaire en santé mentale, G1J 2G3 Québec City, Canada
| | - G Belleville
- Research Centre, Centre intégré de santé et de services sociaux de Chaudière-Appalaches, G6V 3Z1 Lévis, Canada
| | - G Foldes-Busque
- School of Psychology, Université Laval, G1V 0A6 Québec City, Canada; Research Centre, Centre intégré de santé et de services sociaux de Chaudière-Appalaches, G6V 3Z1 Lévis, Canada; Research Centre, Quebec Heart and Lung Institute, G1V 4G5 Québec City, Canada
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Zanus C, Miladinović A, De Dea F, Skabar A, Stecca M, Ajčević M, Accardo A, Carrozzi M. Sleep Spindle-Related EEG Connectivity in Children with Attention-Deficit/Hyperactivity Disorder: An Exploratory Study. ENTROPY (BASEL, SWITZERLAND) 2023; 25:1244. [PMID: 37761543 PMCID: PMC10530036 DOI: 10.3390/e25091244] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/20/2023] [Accepted: 08/16/2023] [Indexed: 09/29/2023]
Abstract
Attention-deficit/hyperactivity disorder (ADHD) is a neurobehavioral disorder with known brain abnormalities but no biomarkers to support clinical diagnosis. Recently, EEG analysis methods such as functional connectivity have rekindled interest in using EEG for ADHD diagnosis. Most studies have focused on resting-state EEG, while connectivity during sleep and spindle activity has been underexplored. Here we present the results of a preliminary study exploring spindle-related connectivity as a possible biomarker for ADHD. We compared sensor-space connectivity parameters in eight children with ADHD and nine age/sex-matched healthy controls during sleep, before, during, and after spindle activity in various frequency bands. All connectivity parameters were significantly different between the two groups in the delta and gamma bands, and Principal Component Analysis (PCA) in the gamma band distinguished ADHD from healthy subjects. Cluster coefficient and path length values in the sigma band were also significantly different between epochs, indicating different spindle-related brain activity in ADHD.
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Affiliation(s)
- Caterina Zanus
- Institute for Maternal and Child Health—IRCCS “Burlo Garofolo”, 34137 Trieste, Italy; (C.Z.); (M.C.)
| | - Aleksandar Miladinović
- Institute for Maternal and Child Health—IRCCS “Burlo Garofolo”, 34137 Trieste, Italy; (C.Z.); (M.C.)
| | - Federica De Dea
- Department of Engineering and Architecture, University of Trieste, 34127 Trieste, Italy (M.A.); (A.A.)
- Department of Life Science, University of Trieste, 34127 Trieste, Italy
| | - Aldo Skabar
- Institute for Maternal and Child Health—IRCCS “Burlo Garofolo”, 34137 Trieste, Italy; (C.Z.); (M.C.)
| | - Matteo Stecca
- Institute for Maternal and Child Health—IRCCS “Burlo Garofolo”, 34137 Trieste, Italy; (C.Z.); (M.C.)
| | - Miloš Ajčević
- Department of Engineering and Architecture, University of Trieste, 34127 Trieste, Italy (M.A.); (A.A.)
| | - Agostino Accardo
- Department of Engineering and Architecture, University of Trieste, 34127 Trieste, Italy (M.A.); (A.A.)
| | - Marco Carrozzi
- Institute for Maternal and Child Health—IRCCS “Burlo Garofolo”, 34137 Trieste, Italy; (C.Z.); (M.C.)
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5
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Migueis DP, Lopes MC, Casella E, Soares PV, Soster L, Spruyt K. Attention deficit hyperactivity disorder and restless leg syndrome across the lifespan: A systematic review and meta-analysis. Sleep Med Rev 2023; 69:101770. [PMID: 36924608 DOI: 10.1016/j.smrv.2023.101770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 02/12/2023] [Accepted: 02/23/2023] [Indexed: 03/02/2023]
Abstract
This systematic review aims to assess the association between attention deficit hyperactivity disorder (ADHD) and restless legs syndrome (RLS) in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Databases were searched for original articles that reported prevalence data on ADHD and RLS until January 24th, 2023. Two independent reviewers evaluated the quality of the articles using the National Institutes of Health assessment tool. Among the 208 articles identified between 1996 and 2022, 29 were included. In large general population studies, 2.6-15.3% of participants met the RLS criteria, of which 3.2-17.4% presented with ADHD. In the ADHD group, RLS symptoms ranged from 11 to 42.9% in children and 20-33.0% in adults. This suggests a strong co-occurrence between RLS and ADHD. A common characteristic of these conditions is sleep fragmentation, as discussed in the reviewed papers. Although large-scale studies with comparable diagnostic criteria across the lifespan are required, our findings may advocate a possible common physiological pathway, including sleep fragmentation and dopaminergic system impairment.
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Affiliation(s)
- D P Migueis
- Antonio Pedro University Hospital, Fluminense Federal University, Niterói, Brazil.
| | - M C Lopes
- Child and Adolescent Affective Disorder Program (PRATA), Department and Institute of Psychiatry at University of Sao Paulo Medical School, Sao Paulo, Brazil; Children Institute, HCFMUSP, Brazil.
| | - E Casella
- Children Institute, HCFMUSP, Brazil.
| | - P V Soares
- Rio de Janeiro State University, Neurology Departament, Brazil.
| | - L Soster
- Children Institute, HCFMUSP, Brazil.
| | - K Spruyt
- Université de Paris, NeuroDiderot, INSERM, 75019, Paris, France.
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6
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Links between excessive daytime sleepiness and EEG power and activation in two subtypes of ADHD. Biol Psychol 2023; 177:108504. [PMID: 36681294 DOI: 10.1016/j.biopsycho.2023.108504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 12/20/2022] [Accepted: 01/14/2023] [Indexed: 01/20/2023]
Abstract
OBJECTIVES This study aimed to replicate previously reported EEG characteristics between typically developing (TD) children and two subtypes of Attention Deficit Hyperactivity Disorder (ADHD) using a frontal, single-channel, dry-sensor portable EEG device, and explore whether differences are moderated by excessive daytime sleepiness (EDS). METHODS Children with ADHD Inattentive (ADHD-I) and ADHD Combined presentation (ADHD-C) and typically-developing (TD) children (N = 34 in each group) had frontal EEG recorded during eyes-closed resting, eyes-open resting, and focus tasks. Participants also completed the Children's Self-Report Sleep Patterns - Sleepiness Scale as a measure of EDS. RESULTS Consistent with previous literature, there were increases in frontal delta and theta power in the ADHD-C compared to ADHD-I and TD groups, in all conditions. Novel power and activation effects in ADHD subtypes, as well as significant group and EDS interactions for alpha and beta power were also found. CONCLUSIONS These findings highlight the importance of considering ADHD subtypes and EDS when exploring EEG characteristics, and have important implications for the diagnosis and treatment of children with ADHD.
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Darchia N, Campbell IG, Basishvili T, Eliozishvili M, Tchintcharauli T, Oniani N, Sakhelashvili I, Feinberg I. Sleep electroencephalogram evidence of delayed brain maturation in attention deficit hyperactivity disorder: a longitudinal study. Sleep 2022; 45:6648473. [DOI: 10.1093/sleep/zsac163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/25/2022] [Indexed: 11/13/2022] Open
Abstract
Abstract
Study Objectives
This study investigates whether longitudinally measured changes in adolescent brain electrophysiology corroborate the maturational lag associated with attention deficit hyperactivity disorder (ADHD) reported in magnetic resonance imaging (MRI) studies and cross-sectional sleep electroencephalogram (EEG) data.
Methods
Semiannually nine adolescents diagnosed with ADHD (combined presentation, DSM-V criteria, mean age 12.39 ± 0.61 years at first time-point, two females) and nine typically developing controls (12.08 ± 0.35 years, four females) underwent all-night laboratory polysomnography, yielding four recordings.
Results
Sleep macrostructure was similar between groups. A quadratic model of the age change in non-rapid eye movement (NREM) delta (1.07–4 Hz) power, with sex effects accounted for, found that delta power peaked 0.92 ± 0.37 years later in the ADHD group. A Gompertz function fit to the same data showed that the age of most rapid delta power decline occurred 0.93 ± 0.41 years later in the ADHD group (p = 0.037), but this group difference was not significant (p = 0.38) with sex effects accounted for. For very low frequency (0.29–1.07 Hz) EEG, the ADHD lag (1.07 ± 0.42 years later, p = 0.019) was significant for a Gompertz model with sex effects accounted for (p = 0.044). Theta (4–7.91 Hz) showed a trend (p = 0.064) toward higher power in the ADHD group. Analysis of the EEG decline across the night found that standardized delta and theta power in NREMP1 were significantly (p < 0.05 for both) lower in adolescents with ADHD.
Conclusions
This is the first longitudinal study to reveal electrophysiological evidence of a maturational lag associated with ADHD. In addition, our findings revealed basically unaltered sleep macrostructure but altered sleep homeostasis associated with ADHD.
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Affiliation(s)
- Nato Darchia
- Tengiz Oniani Laboratory of Sleep-Wakefulness Cycle Study, Ilia State University , Tbilisi , Georgia
| | - Ian G Campbell
- Department of Psychiatry and Behavioral Sciences, University of California Davis , Davis, CA , USA
| | - Tamar Basishvili
- Tengiz Oniani Laboratory of Sleep-Wakefulness Cycle Study, Ilia State University , Tbilisi , Georgia
| | - Marine Eliozishvili
- Tengiz Oniani Laboratory of Sleep-Wakefulness Cycle Study, Ilia State University , Tbilisi , Georgia
| | | | - Nikoloz Oniani
- Tengiz Oniani Laboratory of Sleep-Wakefulness Cycle Study, Ilia State University , Tbilisi , Georgia
| | - Irine Sakhelashvili
- Tengiz Oniani Laboratory of Sleep-Wakefulness Cycle Study, Ilia State University , Tbilisi , Georgia
| | - Irwin Feinberg
- Department of Psychiatry and Behavioral Sciences, University of California Davis , Davis, CA , USA
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Economou NT, Ferini-Strambi L, Steiropoulos P. Sleep-Related Drug Therapy in Special Conditions: Children. Sleep Med Clin 2022; 17:531-542. [PMID: 36150812 DOI: 10.1016/j.jsmc.2022.06.015] [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: 10/14/2022]
Abstract
Pharmacologic treatment of the most common pediatric sleep disorders lacks evidence, and alternative methods, which have been proved to alleviate the symptoms, are preferred in most cases. The implementation of specific guidelines is of great importance because sleep disorders in children are not rare and they can negatively affect children's development and their cognitive and social skills. This article summarizes the current therapeutic management of sleep disorders in children, bearing in mind the absence of evidence-based guidelines on this topic.
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Affiliation(s)
- Nicholas-Tiberio Economou
- Sleep Unit, Department of Psychiatry, University of Athens, 74 Vas Sofias Avenue, Athens 11528, Greece; Enypnion Sleep-Epilepsy Center, Bioclinic Hospital Athens, 15 M. Geroulanou Street, Athens 11524, Greece
| | - Luigi Ferini-Strambi
- Division of Neuroscience, University Vita-Salute San Raffaele, Via Stamira d'Ancona 20, Milan 20127, Italy
| | - Paschalis Steiropoulos
- Department of Pulmonology, Medical School, Democritus University of Thrace, University Campus, Dragana, Alexandroupolis 68100, Greece.
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Saccani MS, Ursumando L, Di Vara S, Lazzaro G, Varuzza C, Vicari S, Menghini D. Sleep Disturbances in Children with Attentional Deficit Hyperactivity Disorder and Specific Learning Disorders. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19116411. [PMID: 35681996 PMCID: PMC9180075 DOI: 10.3390/ijerph19116411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/17/2022] [Accepted: 05/23/2022] [Indexed: 02/04/2023]
Abstract
Sleep disturbances may be a significant source of distress for children with neurodevelopmental disorders, and consequently also for their families. Crucially, sleep disturbances might be influenced by comorbidity. Attention deficit hyperactivity disorder (ADHD) and specific learning disorder (SLD) often co-occur, and consequently, investigating sleep disturbances in children with comorbidity of ADHD and SLD is essential. Our study aimed at detecting sleep difficulties in a group of 74 children with ADHD, 78 children with SLD, and 76 children with ADHD and SLD by using the Sleep Disturbances Scale for Children. The results showed that sleep difficulties emerge more clearly in children with comorbid ADHD and SLD compared to children with only ADHD or SLD. These sleep difficulties were not due to differences in ages and behavioral/emotional problems. In conclusion, evaluating sleep disturbances is important when assessing and managing children with ADHD, SLD, and particularly with the two comorbid conditions, to better understand their difficulties and develop tailored interventions.
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Affiliation(s)
- Maria Silvia Saccani
- Child and Adolescent Neuropsychiatry Unit, Department of Neuroscience, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (M.S.S.); (L.U.); (S.D.V.); (G.L.); (C.V.); (S.V.)
- Department of General Psychology, Padova Neuroscience Center, University of Padua, 35122 Padua, Italy
| | - Luciana Ursumando
- Child and Adolescent Neuropsychiatry Unit, Department of Neuroscience, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (M.S.S.); (L.U.); (S.D.V.); (G.L.); (C.V.); (S.V.)
| | - Silvia Di Vara
- Child and Adolescent Neuropsychiatry Unit, Department of Neuroscience, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (M.S.S.); (L.U.); (S.D.V.); (G.L.); (C.V.); (S.V.)
| | - Giulia Lazzaro
- Child and Adolescent Neuropsychiatry Unit, Department of Neuroscience, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (M.S.S.); (L.U.); (S.D.V.); (G.L.); (C.V.); (S.V.)
| | - Cristiana Varuzza
- Child and Adolescent Neuropsychiatry Unit, Department of Neuroscience, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (M.S.S.); (L.U.); (S.D.V.); (G.L.); (C.V.); (S.V.)
| | - Stefano Vicari
- Child and Adolescent Neuropsychiatry Unit, Department of Neuroscience, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (M.S.S.); (L.U.); (S.D.V.); (G.L.); (C.V.); (S.V.)
- Department of Life Sciences and Public Health, Catholic University, 00168 Rome, Italy
| | - Deny Menghini
- Child and Adolescent Neuropsychiatry Unit, Department of Neuroscience, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (M.S.S.); (L.U.); (S.D.V.); (G.L.); (C.V.); (S.V.)
- Correspondence:
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Miano S, Castelnovo A, Bruni O, Manconi M. Sleep microstructure in attention deficit hyperactivity disorder according to the underlying sleep phenotypes. J Sleep Res 2022; 31:e13426. [PMID: 34169594 DOI: 10.1111/jsr.13426] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 05/28/2021] [Accepted: 05/31/2021] [Indexed: 01/16/2023]
Abstract
The analysis of sleep microstructure in attention deficit hyperactivity disorder (ADHD) revealed an under-representation of the EEG slow component during NREM sleep. Previous studies either excluded or did not characterize objectively sleep disorders, which notoriously affect sleep architecture. The present study aimed to investigate the cyclic alternating pattern in a real clinical sample of children with ADHD, in whom sleep disorders could be considered. Twenty-seven consecutively enrolled drug-naïve children (mean age, 10.53 years; nine females) and 23 controls (mean age, 10.22 years; 11 females) underwent a full sleep investigation, including attended video-polysomnography. Visual cyclic alternating pattern analysis was performed in a blinded way. Children with ADHD had one or more sleep disorders (a narcolepsy-like phenotype was found in two cases, sleep onset insomnia in three cases, arousal disorder in one case, movement disorder phenotype in six cases and obstructive sleep apnea in 11 cases, and six children had sleep-related epileptiform discharges). Children with ADHD and normal controls showed a similar microstructure with a cyclic alternating pattern rate of about 50%. Children with obstructive sleep apnea had a significantly higher cyclic alternating pattern rate during stage N3. Despite not reaching statistical differences, a lower cyclic alternating pattern rate and A1 index were found in children without epileptic abnormalities/obstructive sleep apnea. Our analysis might allow differentiation of the "primary form" of ADHD associated with a decrease of NREM instability from those forms associated with sleep apnea and epileptic activity.
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Affiliation(s)
- Silvia Miano
- Sleep Medicine Unit, Civic Hospital of Lugano (EOC), Neurocenter of Southern Switzerland, Lugano, Switzerland
| | - Anna Castelnovo
- Sleep Medicine Unit, Civic Hospital of Lugano (EOC), Neurocenter of Southern Switzerland, Lugano, Switzerland.,Department of Developmental and Social Psychology, Sapienza University, Rome, Italy.,University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
| | - Oliviero Bruni
- Department of Developmental and Social Psychology, Sapienza University, Rome, Italy
| | - Mauro Manconi
- Sleep Medicine Unit, Civic Hospital of Lugano (EOC), Neurocenter of Southern Switzerland, Lugano, Switzerland.,Department of Neurology, Inselspital, University Hospital, Bern, Switzerland.,Faculty of Biomedical Sciences, University of Southern Switzerland, Lugano, Switzerland
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Gagnon K, Labrosse M, Gingras MA, Godbout R. Sleep Instability Correlates with Attentional Impairment in Boys with Attention Deficit Hyperactivity Disorder. Brain Sci 2021; 11:1425. [PMID: 34827422 PMCID: PMC8615536 DOI: 10.3390/brainsci11111425] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 10/19/2021] [Accepted: 10/22/2021] [Indexed: 11/16/2022] Open
Abstract
Theoretical models of sleep and attention deficit hyperactivity disorder (ADHD) suggest that symptoms of ADHD are associated with daytime sleepiness, but it has received little support. The present study aimed at testing an alternative model involving the association of attentional instability with sleep instability, i.e., sleep stage transitions and arousals. Twelve ADHD and 15 healthy control (HC) boys aged between 8 and 12 years old underwent polysomnography recording and attentional testing. The microarousal index, the number of awakenings, and the number of stage shifts between stages 1, 2, 3, 4 and REM sleep throughout the night were computed as sleep stability parameters. Attentional functioning was assessed using the Continuous Performance Test-II. We found significantly higher sleep instability in ADHD compared to HC. Sleep arousals and stage transitions (micro arousal index, stage 4/3 and 2/4 transitions) in ADHD significantly correlated with lower attentional scores. No association whatsoever was found between sleep instability and attentional functioning in HC. The results show that sleep instability is associated with lower attentional performance in boys with ADHD, but not in HC. This could be compatible with a model according to which attention and sleep stability share a common neural substrate in ADHD.
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Affiliation(s)
- Katia Gagnon
- Sleep Laboratory and Clinic, Hôpital en Santé mentale Rivière-des-Prairies, Montréal, QC H1E 1A4, Canada; (K.G.); (M.L.); (M.-A.G.)
- Department of Psychiatry, Université de Montréal, Montréal, QC H3T 1J4, Canada
| | - Mélanie Labrosse
- Sleep Laboratory and Clinic, Hôpital en Santé mentale Rivière-des-Prairies, Montréal, QC H1E 1A4, Canada; (K.G.); (M.L.); (M.-A.G.)
| | - Marc-André Gingras
- Sleep Laboratory and Clinic, Hôpital en Santé mentale Rivière-des-Prairies, Montréal, QC H1E 1A4, Canada; (K.G.); (M.L.); (M.-A.G.)
| | - Roger Godbout
- Sleep Laboratory and Clinic, Hôpital en Santé mentale Rivière-des-Prairies, Montréal, QC H1E 1A4, Canada; (K.G.); (M.L.); (M.-A.G.)
- Department of Psychiatry, Université de Montréal, Montréal, QC H3T 1J4, Canada
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The Link between Pediatric Obstructive Sleep Apnea (OSA) and Attention Deficit Hyperactivity Disorder (ADHD). CHILDREN-BASEL 2021; 8:children8090824. [PMID: 34572256 PMCID: PMC8470037 DOI: 10.3390/children8090824] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/07/2021] [Accepted: 09/13/2021] [Indexed: 12/20/2022]
Abstract
Obstructive sleep apnea (OSA) is a form of sleep-disordered breathing that affects up to 9.5% of the pediatric population. Untreated OSA is associated with several complications, including neurobehavioral sequelae, growth and developmental delay, cardiovascular dysfunction, and insulin resistance. Attention-deficit/hyperactivity disorder (ADHD) is among the neurobehavioral sequelae associated with OSA. This review aims to summarize the research on the relationship between OSA and ADHD and investigate the impacts of OSA treatment on ADHD symptoms. A literature search was conducted on electronic databases with the key terms: “attention deficit hyperactivity disorder” or “ADHD”, “obstructive sleep apnea” or “OSA”, “sleep disordered breathing”, and “pediatric” or “children”. Review of relevant studies showed adenotonsillectomy to be effective in the short-term treatment of ADHD symptoms. The success of other treatment options, including continuous positive airway pressure (CPAP), in treating ADHD symptoms in pediatric OSA patients has not been adequately evaluated. Further studies are needed to evaluate the long-term benefits of surgical intervention, patient factors that may influence treatment success, and the potential benefits of other OSA treatment methods for pediatric ADHD patients.
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Abstract
Twenty-two years after their discovery, the hypocretins (Hcrts), also known as orexins, are two of the most studied peptidergic systems, involved in myriad physiological systems that range from sleep, arousal, motivation, homeostatic regulation, fear, anxiety and learning. A causal relationship between activity of Hcrt and arousal stability was established shortly after their discovery and have led to the development of a new class of drugs to treat insomnia. In this review we discuss the many faces of the Hcrt system and examine recent findings that implicate decreased Hcrt function in the pathogenesis of a number of neuropsychiatric conditions. We also discuss future therapeutic strategies to replace or enhance Hcrt function as a treatment option for these neuropsychiatric conditions.
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Affiliation(s)
- Erica Seigneur
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA
| | - Luis de Lecea
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA
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Bioulac S, Taillard J, Philip P, Sagaspe P. Excessive Daytime Sleepiness Measurements in Children With Attention Deficit Hyperactivity Disorder. Front Psychiatry 2020; 11:3. [PMID: 32174847 PMCID: PMC7055535 DOI: 10.3389/fpsyt.2020.00003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Accepted: 01/02/2020] [Indexed: 12/22/2022] Open
Abstract
Attention deficit hyperactivity disorder (ADHD) is the most commonly diagnosed neurodevelopmental disorder in childhood. It is a heterogeneous disorder in terms of clinical presentation that is probably due to the frequent occurrence of comorbidity. Children with ADHD more frequently report sleep disorders (notably delayed sleep phase syndrome) and excessive daytime sleepiness (EDS) than typically developing children. The aim of this article is to propose a narrative review of the assessment of EDS in the context of ADHD with first a summary of the subjective and objective tools used to measure it. Secondly, perspectives in terms of electroencephalogram (EEG) markers and neurofeedback are proposed. Then, possibilities for new kinds of evaluation are discussed (virtual reality, ecological momentary assessment, etc.). Lastly, we discuss specific clinical situations with EDS in the context of ADHD as links with narcolepsy, the comorbidity with other psychiatric disorders, and the context of sluggish cognitive tempo.
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Affiliation(s)
- Stéphanie Bioulac
- CHU Pellegrin, Clinique du Sommeil, Bordeaux, France
- Université de Bordeaux, Sommeil, Attention et Neuropsychiatrie, USR 3413, Bordeaux, France
- CNRS, SANPSY, USR 3413, Bordeaux, France
| | - Jacques Taillard
- Université de Bordeaux, Sommeil, Attention et Neuropsychiatrie, USR 3413, Bordeaux, France
- CNRS, SANPSY, USR 3413, Bordeaux, France
| | - Pierre Philip
- CHU Pellegrin, Clinique du Sommeil, Bordeaux, France
- Université de Bordeaux, Sommeil, Attention et Neuropsychiatrie, USR 3413, Bordeaux, France
- CNRS, SANPSY, USR 3413, Bordeaux, France
| | - Patricia Sagaspe
- CHU Pellegrin, Clinique du Sommeil, Bordeaux, France
- CNRS, SANPSY, USR 3413, Bordeaux, France
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Abstract
Objective: Children with ADHD display higher rates of sleep problems, and both sleep disorders and ADHD have been shown to affect functioning in childhood. The current study examines the frequency and relationship between sleep problems and ADHD, and their impact on quality of life (QoL) and functional impairment. Method: Parents of 192 children with ADHD (M = 10.23 years) completed measures regarding their child's ADHD symptoms (Swanson, Nolan and Pelham [SNAP]), sleep disorders (Pediatric Sleep Questionnaire [PSQ]), QoL (Child Health Illness Profile [CHIP-PE]), and functioning (Weiss Functional Impairment Rating Scale-Parent Report [WFIRS-P]). Results: Common sleep complaints in participants were insomnia, excessive daytime sleepiness (EDS), and variability in sleep schedule. Regression analysis indicated that sleep problems and ADHD symptoms independently predicted lower levels of QoL (ΔR2 = .12, p < .001) and social functioning (ΔR2 = .12, p < .001). Conclusion: The results suggest that ADHD may coexist with somnolence and that both conditions have a significant impact on a child's functioning and QoL.
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11th International Congress on Psychopharmacology & 7th International Symposium on Child and Adolescent Psychopharmacology. PSYCHIAT CLIN PSYCH 2019. [DOI: 10.1080/24750573.2019.1608692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Miano S, Amato N, Foderaro G, Pezzoli V, Ramelli GP, Toffolet L, Manconi M. Sleep phenotypes in attention deficit hyperactivity disorder. Sleep Med 2019; 60:123-131. [PMID: 30377038 DOI: 10.1016/j.sleep.2018.08.026] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 07/27/2018] [Accepted: 08/06/2018] [Indexed: 01/17/2023]
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Díaz-Román A, Buela-Casal G. Shorter REM latency in children with attention-deficit/hyperactivity disorder. Psychiatry Res 2019; 278:188-193. [PMID: 31207456 DOI: 10.1016/j.psychres.2019.06.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 06/10/2019] [Accepted: 06/11/2019] [Indexed: 01/19/2023]
Abstract
The discrepancies in prior research about the actual sleep problems underlying attention-deficit/hyperactivity disorder (ADHD) demand more studies of children with this disorder. This study aimed to compare the subjective and objective sleep characteristics of 20 children with ADHD (DSM-IV criteria) and 20 typically developing children (aged 7-11 years). We assessed the children using sleep questionnaires and polysomnography recordings and analysed differences between the two groups using two-tailed Mann-Whitney U exact tests and Rosenthal's r as effect size measure. We also assessed associations between sleep measures and psychopathology using Spearman's correlation coefficients. No significant difference was found between the groups in almost any objective sleep variable, except for shorter REM latency in the ADHD group. Children with ADHD also showed significantly higher levels of daytime sleepiness and greater general sleep problems than control children, as reported by their parents, after discarding the primary sleep problems commonly associated with ADHD. Significant correlations were found between psychopathology and sleep measures. Our findings might support the link between narcolepsy-like sleep phenotype and ADHD. However, longitudinal research combining objective and subjective assessments should further explore the involvement of other variables, such as ADHD subtypes, medication, and comorbid symptoms in this relationship.
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Affiliation(s)
- Amparo Díaz-Román
- Sleep and Health Promotion Laboratory, Mind, Brain and Behavior Research Center, CIMCYC, University of Granada, Spain.
| | - Gualberto Buela-Casal
- Sleep and Health Promotion Laboratory, Mind, Brain and Behavior Research Center, CIMCYC, University of Granada, Spain
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Abstract
Sleep disorders in children may lead to neurodevelopmental and neurocognitive deficits; it is important to diagnose and treat them properly. Apart from the existing challenges in diagnosis, another drawback is that few therapies are currently approved. In this article, a comprehensive summary of the most common pediatric sleep disorders, along with the various pharmacologic and nonpharmacologic approaches for their management, is presented. Special attention has been paid to the currently available treatment options for pediatric insomnia, obstructive sleep apnea, parasomnias, narcolepsy, and restless legs syndrome, and comparisons are made with the corresponding treatment options for sleep disorders in adults.
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Kara T, Alpgan Ö, Yılmaz S, Akaltun İ. Sleep habits as an indicator of social competence and behaviour in pre-schoolers in the context of neurodevelopmental disorders. PSYCHIAT CLIN PSYCH 2018. [DOI: 10.1080/24750573.2018.1487692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Affiliation(s)
- Tayfun Kara
- Department of Child and Adolescent Psychiatry, Bakirkoy Dr. Sadi Konuk Training and Research Hospital, University of Health Sciences, Istanbul, Turkey
| | - Ömer Alpgan
- Department of Child Development, Bakirkoy Dr. Sadi Konuk Training and Research Hospital, University of Health Sciences, Istanbul, Turkey
| | - Semra Yılmaz
- Department of Child and Adolescent Psychiatry, Bakirkoy Dr. Sadi Konuk Training and Research Hospital, University of Health Sciences, Istanbul, Turkey
| | - İsmail Akaltun
- Department of Child and Adolescent Psychiatry, Gaziantep Dr. Ersin Arslan Training and Research Hospital, Gaziantep, Turkey
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Miano S, Esposito M, Foderaro G, Ramelli GP, Pezzoli V, Manconi M. Sleep-Related Disorders in Children with Attention-Deficit Hyperactivity Disorder: Preliminary Results of a Full Sleep Assessment Study. CNS Neurosci Ther 2016; 22:906-914. [PMID: 27255788 DOI: 10.1111/cns.12573] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Revised: 04/10/2016] [Accepted: 05/05/2016] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND AND METHODS We present the preliminary results of a prospective case-control sleep study in children with a diagnosis of attention-deficit hyperactivity disorder (ADHD). A deep sleep assessment including sleep questionnaires, sleep habits, a video-polysomnographic recording with full high-density electroencephalography (EEG) and cardiorespiratory polygraphy, multiple sleep latency test, and 1-week actigraphic recording were performed to verify whether children with ADHD may be classified into one of the following five phenotypes: (1) hypoarousal state, resembling narcolepsy, which may be considered a "primary" form of ADHD; (2) delayed sleep onset insomnia; (3) sleep-disordered breathing; (4) restless legs syndrome and/or periodic limb movements; and (5) sleep epilepsy and/or EEG interictal epileptiform discharges. RESULTS Fifteen consecutive outpatients with ADHD were recruited (two female, mean age 10.6 ± 2.2, age range 8-13.7 years) over 6 months. The narcolepsy-like sleep phenotype was observed in three children, the sleep onset insomnia phenotype was observed in one child, mild obstructive sleep apnea was observed in three children, sleep hyperkinesia and/or PLMs were observed in five children, while IEDs and or nocturnal epilepsy were observed in three children. Depending on the sleep phenotype, children received melatonin, iron supplementation, antiepileptic drugs, or stimulants. CONCLUSIONS Our study further highlights the need to design an efficient sleep diagnostic algorithm for children with ADHD, thereby more accurately identifying cases in which a full sleep assessment is indicated.
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Affiliation(s)
- Silvia Miano
- Sleep and Epilepsy Center, Neurocenter of Southern Switzerland, Civic Hospital of Lugano, Lugano, Switzerland.
| | - Maria Esposito
- Clinic of Child and Adolescent Neuropsychiatry, Department of Mental Health, Physical and Preventive Medicine, Second University of Naples, Naples, Italy
| | - Giuseppe Foderaro
- Department of Pediatrics, Civic Hospital of Lugano, Lugano, Switzerland
| | - Gian Paolo Ramelli
- Department of Pediatrics, San Giovanni Hospital, Bellinzona, Switzerland
| | - Valdo Pezzoli
- Department of Pediatrics, Civic Hospital of Lugano, Lugano, Switzerland
| | - Mauro Manconi
- Sleep and Epilepsy Center, Neurocenter of Southern Switzerland, Civic Hospital of Lugano, Lugano, Switzerland
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Um YH, Jeong JH, Hong SC, Kim TW, Lim HK, Seo HJ, Han JH. Association between sleep parameters and cognitive function in drug-naïve children with attention-deficit hyperactivity disorder: a polysomnographic study. Sleep Med 2016; 21:165-70. [DOI: 10.1016/j.sleep.2015.11.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2015] [Revised: 10/19/2015] [Accepted: 11/14/2015] [Indexed: 12/01/2022]
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van der Voet M, Harich B, Franke B, Schenck A. ADHD-associated dopamine transporter, latrophilin and neurofibromin share a dopamine-related locomotor signature in Drosophila. Mol Psychiatry 2016; 21:565-73. [PMID: 25962619 PMCID: PMC4804182 DOI: 10.1038/mp.2015.55] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Revised: 03/03/2015] [Accepted: 03/31/2015] [Indexed: 02/07/2023]
Abstract
Attention-deficit/hyperactivity disorder (ADHD) is a common, highly heritable neuropsychiatric disorder with hyperactivity as one of the hallmarks. Aberrant dopamine signaling is thought to be a major theme in ADHD, but how this relates to the vast majority of ADHD candidate genes is illusive. Here we report a Drosophila dopamine-related locomotor endophenotype that is shared by pan-neuronal knockdown of orthologs of the ADHD-associated genes Dopamine transporter (DAT1) and Latrophilin (LPHN3), and of a gene causing a monogenic disorder with frequent ADHD comorbidity: Neurofibromin (NF1). The locomotor signature was not found in control models and could be ameliorated by methylphenidate, validating its relevance to symptoms of the disorder. The Drosophila ADHD endophenotype can be further exploited in high throughput to characterize the growing number of candidate genes. It represents an equally useful outcome measure for testing chemical compounds to define novel treatment options.
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Affiliation(s)
- M van der Voet
- Department of Human Genetics, Radboud university medical center, Nijmegen, The Netherlands
- Donders Institute for Brain, Cognition and Behaviour, Radboud university medical center, Nijmegen, The Netherlands
| | - B Harich
- Department of Human Genetics, Radboud university medical center, Nijmegen, The Netherlands
- Donders Institute for Brain, Cognition and Behaviour, Radboud university medical center, Nijmegen, The Netherlands
| | - B Franke
- Department of Human Genetics, Radboud university medical center, Nijmegen, The Netherlands
- Donders Institute for Brain, Cognition and Behaviour, Radboud university medical center, Nijmegen, The Netherlands
- Department of Psychiatry, Radboud university medical center, Nijmegen, The Netherlands
| | - A Schenck
- Department of Human Genetics, Radboud university medical center, Nijmegen, The Netherlands
- Donders Institute for Brain, Cognition and Behaviour, Radboud university medical center, Nijmegen, The Netherlands
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Abstract
Primary headache and attention-deficit/hyperactivity disorder (ADHD) are common disorders in children and adolescences, frequently associated to severe cognitive, emotional, and behavioral impairments. They both are a disabling condition with consequences on family and child's quality of life. Literature data on their association are contrasting. Dopaminergic system dysfunction, brain iron deficiency, and sleep disturbance should be considered to better understand headache and ADHD overlap. In this review, we analyze the complex association between these two diseases and the potential impact on child neurodevelopment.
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Moro M, Goparaju B, Castillo J, Alameddine Y, Bianchi MT. Periodic limb movements of sleep: empirical and theoretical evidence supporting objective at-home monitoring. Nat Sci Sleep 2016; 8:277-89. [PMID: 27540316 PMCID: PMC4982487 DOI: 10.2147/nss.s101753] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
INTRODUCTION Periodic limb movements of sleep (PLMS) may increase cardiovascular and cerebrovascular morbidity. However, most people with PLMS are either asymptomatic or have nonspecific symptoms. Therefore, predicting elevated PLMS in the absence of restless legs syndrome remains an important clinical challenge. METHODS We undertook a retrospective analysis of demographic data, subjective symptoms, and objective polysomnography (PSG) findings in a clinical cohort with or without obstructive sleep apnea (OSA) from our laboratory (n=443 with OSA, n=209 without OSA). Correlation analysis and regression modeling were performed to determine predictors of periodic limb movement index (PLMI). Markov decision analysis with TreeAge software compared strategies to detect PLMS: in-laboratory PSG, at-home testing, and a clinical prediction tool based on the regression analysis. RESULTS Elevated PLMI values (>15 per hour) were observed in >25% of patients. PLMI values in No-OSA patients correlated with age, sex, self-reported nocturnal leg jerks, restless legs syndrome symptoms, and hypertension. In OSA patients, PLMI correlated only with age and self-reported psychiatric medications. Regression models indicated only a modest predictive value of demographics, symptoms, and clinical history. Decision modeling suggests that at-home testing is favored as the pretest probability of PLMS increases, given plausible assumptions regarding PLMS morbidity, costs, and assumed benefits of pharmacological therapy. CONCLUSION Although elevated PLMI values were commonly observed, routinely acquired clinical information had only weak predictive utility. As the clinical importance of elevated PLMI continues to evolve, it is likely that objective measures such as PSG or at-home PLMS monitors will prove increasingly important for clinical and research endeavors.
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Affiliation(s)
- Marilyn Moro
- Neurology Department, Massachusetts General Hospital
| | | | | | | | - Matt T Bianchi
- Neurology Department, Massachusetts General Hospital; Division of Sleep Medicine, Harvard Medical School, Boston, MA, USA
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Nunes ML, Bruni O. Insomnia in childhood and adolescence: clinical aspects, diagnosis, and therapeutic approach. JORNAL DE PEDIATRIA (VERSÃO EM PORTUGUÊS) 2015. [DOI: 10.1016/j.jpedp.2015.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Insomnia in childhood and adolescence: clinical aspects, diagnosis, and therapeutic approach. J Pediatr (Rio J) 2015; 91:S26-35. [PMID: 26392218 DOI: 10.1016/j.jped.2015.08.006] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Accepted: 06/09/2015] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVES To review the clinical characteristics, comorbidities, and management of insomnia in childhood and adolescence. SOURCES This was a non-systematic literature review carried out in the PubMed database, from where articles published in the last five years were selected, using the key word "insomnia" and the pediatric age group filter. Additionally, the study also included articles and classic textbooks of the literature on the subject. DATA SYNTHESIS During childhood, there is a predominance of behavioral insomnia as a form of sleep-onset association disorder (SOAD) and/or limit-setting sleep disorder. Adolescent insomnia is more associated with sleep hygiene problems and delayed sleep phase. Psychiatric (anxiety, depression) or neurodevelopmental disorders (attention deficit disorder, autism, epilepsy) frequently occur in association with or as a comorbidity of insomnia. CONCLUSIONS Insomnia complaints in children and adolescents should be taken into account and appropriately investigated by the pediatrician, considering the association with several comorbidities, which must also be diagnosed. The main causes of insomnia and triggering factors vary according to age and development level. The therapeutic approach must include sleep hygiene and behavioral techniques and, in individual cases, pharmacological treatment.
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Brown FC, Roth RM, Katz LJ. Allocentric but not egocentric visual memory difficulties in adults with ADHD may represent cognitive inefficiency. Psychiatry Res 2015; 228:649-58. [PMID: 26115842 DOI: 10.1016/j.psychres.2015.04.051] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Revised: 04/03/2015] [Accepted: 04/18/2015] [Indexed: 10/23/2022]
Abstract
Attention Deficit Hyperactivity Disorder (ADHD) has often been conceptualized as arising executive dysfunctions (e.g., inattention, defective inhibition). However, recent studies suggested that cognitive inefficiency may underlie many ADHD symptoms, according to reaction time and processing speed abnormalities. This study explored whether a non-timed measure of cognitive inefficiency would also be abnormal. A sample of 23 ADHD subjects was compared to 23 controls on a test that included both egocentric and allocentric visual memory subtests. A factor analysis was used to determine which cognitive variables contributed to allocentric visual memory. The ADHD sample performed significantly lower on the allocentric but not egocentric conditions. Allocentric visual memory was not associated with timed, working memory, visual perception, or mental rotation variables. This paper concluded by discussing how these results supported a cognitive inefficiency explanation for some ADHD symptoms, and discussed future research directions.
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Affiliation(s)
- Franklin C Brown
- Department of Neurology, Yale University, New Haven, CT 06519, USA.
| | - Robert M Roth
- Department of Psychiatry, Geisel School of Medicine at Dartmouth, Lebanon, NH 03756, USA
| | - Lynda J Katz
- Lynda J. Katz, Ph.D. & Associates, Durham, NC 27707, USA
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Bioulac S, Micoulaud-Franchi JA, Philip P. Excessive daytime sleepiness in patients with ADHD--diagnostic and management strategies. Curr Psychiatry Rep 2015; 17:608. [PMID: 26122671 DOI: 10.1007/s11920-015-0608-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The links between attention-deficit hyperactivity disorder (ADHD) and sleep disorders remain unclear. Specific sleep disorders are a frequent comorbid condition associated with ADHD according to a categorical approach. However, sleep disorders can also induce ADHD-like symptoms according to a dimensional approach and are thought to be the consequence of excessive daytime sleepiness. It may thus be difficult for clinicians to differentiate the diagnosis of ADHD comorbid with a sleep disorder from sleep disorders with ADHD-like symptoms. This distinction could be important for the appropriate management of patients with dual complaints of trouble maintaining attention and daytime sleepiness. This paper summarizes the main sleep disorders associated with ADHD: sleep-related breathing disorders, sleep-related movement disorders, circadian rhythm sleep-wake disorders, and central disorders of hypersomnolence (aka hypersomnias). The history of presenting symptoms should be taken into account since ADHD is a neurodevelopmental disorder whereas ADHD symptoms comorbid with sleep disorder are not. Finally, we propose a model to clarify the links between ADHD, ADHD symptoms, and excessive daytime sleepiness induced by sleep disorders. Clinicians should therefore routinely assess, monitor, and manage the sleep problems of patients with ADHD who have both comorbidities and should search for the presence of ADHD symptoms in subjects with sleep disorders.
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Affiliation(s)
- Stéphanie Bioulac
- Centre Hospitalier Charles Perrens, Pôle de Pédopsychiatrie Universitaire, 121, rue de la Béchade, 33076, Bordeaux, Cedex, France,
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Ipsiroglu OS, Hung YHA, Chan F, Ross ML, Veer D, Soo S, Ho G, Berger M, McAllister G, Garn H, Kloesch G, Barbosa AV, Stockler S, McKellin W, Vatikiotis-Bateson E. "Diagnosis by behavioral observation" home-videosomnography - a rigorous ethnographic approach to sleep of children with neurodevelopmental conditions. Front Psychiatry 2015; 6:39. [PMID: 25852578 PMCID: PMC4362082 DOI: 10.3389/fpsyt.2015.00039] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Accepted: 02/25/2015] [Indexed: 11/13/2022] Open
Abstract
INTRODUCTION Advanced video technology is available for sleep-laboratories. However, low-cost equipment for screening in the home setting has not been identified and tested, nor has a methodology for analysis of video recordings been suggested. METHODS We investigated different combinations of hardware/software for home-videosomnography (HVS) and established a process for qualitative and quantitative analysis of HVS-recordings. A case vignette (HVS analysis for a 5.5-year-old girl with major insomnia and several co-morbidities) demonstrates how methodological considerations were addressed and how HVS added value to clinical assessment. RESULTS We suggest an "ideal set of hardware/software" that is reliable, affordable (∼$500) and portable (=2.8 kg) to conduct non-invasive HVS, which allows time-lapse analyses. The equipment consists of a net-book, a camera with infrared optics, and a video capture device. (1) We present an HVS-analysis protocol consisting of three steps of analysis at varying replay speeds: (a) basic overview and classification at 16× normal speed; (b) second viewing and detailed descriptions at 4-8× normal speed, and (c) viewing, listening, and in-depth descriptions at real-time speed. (2) We also present a custom software program that facilitates video analysis and note-taking (Annotator(©)), and Optical Flow software that automatically quantifies movement for internal quality control of the HVS-recording. The case vignette demonstrates how the HVS-recordings revealed the dimension of insomnia caused by restless legs syndrome, and illustrated the cascade of symptoms, challenging behaviors, and resulting medications. CONCLUSION The strategy of using HVS, although requiring validation and reliability testing, opens the floor for a new "observational sleep medicine," which has been useful in describing discomfort-related behavioral movement patterns in patients with communication difficulties presenting with challenging/disruptive sleep/wake behaviors.
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Affiliation(s)
- Osman S Ipsiroglu
- Sleep/Wake Behavior Clinic and Research Laboratory, Department of Pediatrics, Faculty of Medicine, University of British Columbia , Vancouver, BC , Canada ; Faculty of Science, Thompson Rivers University , Kamloops, BC , Canada ; Treatable Intellectual Disability Endeavour , Vancouver, BC , Canada
| | - Yi-Hsuan Amy Hung
- Sleep/Wake Behavior Clinic and Research Laboratory, Department of Pediatrics, Faculty of Medicine, University of British Columbia , Vancouver, BC , Canada
| | - Forson Chan
- Sleep/Wake Behavior Clinic and Research Laboratory, Department of Pediatrics, Faculty of Medicine, University of British Columbia , Vancouver, BC , Canada
| | - Michelle L Ross
- Sleep/Wake Behavior Clinic and Research Laboratory, Department of Pediatrics, Faculty of Medicine, University of British Columbia , Vancouver, BC , Canada
| | - Dorothee Veer
- Sleep/Wake Behavior Clinic and Research Laboratory, Department of Pediatrics, Faculty of Medicine, University of British Columbia , Vancouver, BC , Canada
| | - Sonja Soo
- Sleep/Wake Behavior Clinic and Research Laboratory, Department of Pediatrics, Faculty of Medicine, University of British Columbia , Vancouver, BC , Canada
| | - Gloria Ho
- Sleep/Wake Behavior Clinic and Research Laboratory, Department of Pediatrics, Faculty of Medicine, University of British Columbia , Vancouver, BC , Canada
| | - Mai Berger
- Sleep/Wake Behavior Clinic and Research Laboratory, Department of Pediatrics, Faculty of Medicine, University of British Columbia , Vancouver, BC , Canada
| | - Graham McAllister
- Sleep/Wake Behavior Clinic and Research Laboratory, Department of Pediatrics, Faculty of Medicine, University of British Columbia , Vancouver, BC , Canada
| | - Heinrich Garn
- Austrian Institute of Technology , Vienna , Austria ; Technical University of Vienna , Vienna , Austria
| | - Gerhard Kloesch
- Department of Neurology, Medical University of Vienna , Vienna , Austria
| | | | - Sylvia Stockler
- Treatable Intellectual Disability Endeavour , Vancouver, BC , Canada ; Division of Biochemical Diseases, Department of Pediatrics, Faculty of Medicine, University of British Columbia , Vancouver, BC , Canada
| | - William McKellin
- Treatable Intellectual Disability Endeavour , Vancouver, BC , Canada ; Department of Anthropology, Faculty of Arts, University of British Columbia , Vancouver, BC , Canada
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Arns M, Feddema I, Kenemans JL. Differential effects of theta/beta and SMR neurofeedback in ADHD on sleep onset latency. Front Hum Neurosci 2014; 8:1019. [PMID: 25566034 PMCID: PMC4274876 DOI: 10.3389/fnhum.2014.01019] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Accepted: 12/03/2014] [Indexed: 12/14/2022] Open
Abstract
Recent studies suggest a role for sleep and sleep problems in the etiology of attention deficit hyperactivity disorder (ADHD) and a recent model about the working mechanism of sensori-motor rhythm (SMR) neurofeedback, proposed that this intervention normalizes sleep and thus improves ADHD symptoms such as inattention and hyperactivity/impulsivity. In this study we compared adult ADHD patients (N = 19) to a control group (N = 28) and investigated if differences existed in sleep parameters such as Sleep Onset Latency (SOL), Sleep Duration (DUR) and overall reported sleep problems (PSQI) and if there is an association between sleep-parameters and ADHD symptoms. Secondly, in 37 ADHD patients we investigated the effects of SMR and Theta/Beta (TBR) neurofeedback on ADHD symptoms and sleep parameters and if these sleep parameters may mediate treatment outcome to SMR and TBR neurofeedback. In this study we found a clear continuous relationship between self-reported sleep problems (PSQI) and inattention in adults with- and without-ADHD. TBR neurofeedback resulted in a small reduction of SOL, this change in SOL did not correlate with the change in ADHD symptoms and the reduction in SOL only happened in the last half of treatment, suggesting this is an effect of symptom improvement not specifically related to TBR neurofeedback. SMR neurofeedback specifically reduced the SOL and PSQI score, and the change in SOL and change in PSQI correlated strongly with the change in inattention, and the reduction in SOL was achieved in the first half of treatment, suggesting the reduction in SOL mediated treatment response to SMR neurofeedback. Clinically, TBR and SMR neurofeedback had similar effects on symptom reduction in ADHD (inattention and hyperactivity/impulsivity). These results suggest differential effects and different working mechanisms for TBR and SMR neurofeedback in the treatment of ADHD.
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Affiliation(s)
- Martijn Arns
- Department of Experimental Psychology, Utrecht University Utrecht, Netherlands ; Research Institute Brainclinics Nijmegen, Netherlands
| | - Ilse Feddema
- Research Institute Brainclinics Nijmegen, Netherlands
| | - J Leon Kenemans
- Department of Experimental Psychology, Utrecht University Utrecht, Netherlands
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Söderlund GBW, Eckernäs D, Holmblad O, Bergquist F. Acoustic noise improves motor learning in spontaneously hypertensive rats, a rat model of attention deficit hyperactivity disorder. Behav Brain Res 2014; 280:84-91. [PMID: 25454351 DOI: 10.1016/j.bbr.2014.11.032] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Revised: 11/03/2014] [Accepted: 11/20/2014] [Indexed: 11/18/2022]
Abstract
The spontaneously hypertensive (SH) rat model of ADHD displays impaired motor learning. We used this characteristic to study if the recently described acoustic noise benefit in learning in children with ADHD is also observed in the SH rat model. SH rats and a Wistar control strain were trained in skilled reach and rotarod running under either ambient noise or in 75 dBA white noise. In other animals the effect of methylphenidate (MPH) on motor learning was assessed with the same paradigms. To determine if acoustic noise influenced spontaneous motor activity, the effect of acoustic noise was also determined in the open field activity paradigm. We confirm impaired motor learning in the SH rat compared to Wistar SCA controls. Acoustic noise restored motor learning in SH rats learning the Montoya reach test and the rotarod test, but had no influence on learning in Wistar rats. Noise had no effect on open field activity in SH rats, but increased corner time in Wistar. MPH completely restored rotarod learning and performance but did not improve skilled reach in the SH rat. It is suggested that the acoustic noise benefit previously reported in children with ADHD is shared by the SH rat model of ADHD, and the effect is in the same range as that of stimulant treatment. Acoustic noise may be useful as a non-pharmacological alternative to stimulant medication in the treatment of ADHD.
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Affiliation(s)
| | - Daniel Eckernäs
- Department of Pharmacology, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
| | - Olof Holmblad
- Department of Pharmacology, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Filip Bergquist
- Department of Pharmacology, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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Methylphenidate significantly reduces lapses of attention during on-road highway driving in patients with ADHD. J Clin Psychopharmacol 2014; 34:633-6. [PMID: 24978156 DOI: 10.1097/jcp.0000000000000174] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Lapses of attention are characteristic for attention-deficit/hyperactivity disorder (ADHD) and as such may impair performance of daily activities. Data from an on-road driving study were reanalyzed to determine lapses in patients with ADHD after treatment with methylphenidate and placebo.A total of 18 adult ADHD patients performed a 100-km on-road driving test and were instructed to drive with a steady lateral position and constant speed. The SD of lateral position (SDLP), that is, the weaving of the car, lapses, and alertness, was assessed.Driving was significantly better (P = 0.006) with methylphenidate (SDLP, 18.8 cm) when compared with placebo (SDLP, 21.2 cm). Both the reduction in SDLP and the number of lapses (P = 0.003) confirm this significant improvement, which is further supported by subjective assessments of perceived driving performance. Although lapses were common in the placebo condition (11/18 patients), they were much less frequently observed (5/18 patients) after treatment with methylphenidate. Postdriving assessments suggest that lapses often go unnoticed by drivers.In conclusion, methylphenidate significantly improves driving of patients with ADHD by significantly reducing the number of lapses.
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Sedky K, Bennett DS, Carvalho KS. Attention deficit hyperactivity disorder and sleep disordered breathing in pediatric populations: A meta-analysis. Sleep Med Rev 2014; 18:349-56. [DOI: 10.1016/j.smrv.2013.12.003] [Citation(s) in RCA: 144] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2013] [Revised: 11/25/2013] [Accepted: 12/15/2013] [Indexed: 12/25/2022]
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Parisi P, Verrotti A, Paolino MC, Ferretti A, Raucci U, Moavero R, Villa MP, Curatolo P. Headache and attention deficit and hyperactivity disorder in children: common condition with complex relation and disabling consequences. Epilepsy Behav 2014; 32:72-5. [PMID: 24495865 DOI: 10.1016/j.yebeh.2013.12.028] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2013] [Accepted: 12/25/2013] [Indexed: 12/19/2022]
Abstract
The aim of this review was to analyze literature data on the complex association between headache and attention deficit and hyperactivity disorder (ADHD) in children, in order to explore its possible consequences on child neurological development. Headache and ADHD are two common conditions in the pediatric population. They both are disabling diseases that impact the child's quality of life and are associated with severe cognitive, emotional, and behavioral impairments. To assess and analyze literature data about the association of ADHD and headache in children and possible physiopathogenesis relationships, we searched for the following terms: headache, migraine, tension-type headache, ADHD, and children (MESH or text words). We found different studies that assess the clinical, epidemiological, and physiopathogenetic overlap between these two diseases, with contrasting results and unresolved questions. Structural and functional abnormalities in brain networks have been found to be central in both headache and ADHD pathophysiology. It will be crucial to gain a better understanding of how subcortical-cortical and corticocortical network development is altered during the onset of the disorders.
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Affiliation(s)
- Pasquale Parisi
- Child Neurology, Headache Paediatric Center, Paediatric Sleep Disorders, NESMOS Department, Chair of Pediatrics, Faculty of Medicine and Psychology, Sapienza University, c/o Sant'Andrea Hospital, Rome, Italy.
| | | | - Maria Chiara Paolino
- Child Neurology, Headache Paediatric Center, Paediatric Sleep Disorders, NESMOS Department, Chair of Pediatrics, Faculty of Medicine and Psychology, Sapienza University, c/o Sant'Andrea Hospital, Rome, Italy
| | - Alessandro Ferretti
- Child Neurology, Headache Paediatric Center, Paediatric Sleep Disorders, NESMOS Department, Chair of Pediatrics, Faculty of Medicine and Psychology, Sapienza University, c/o Sant'Andrea Hospital, Rome, Italy
| | - Umberto Raucci
- Paediatric Emergency Department, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Romina Moavero
- Child Neuropsychiatry Unit, Systems Medicine Department, Tor Vergata University Hospital, Rome, Italy
| | - Maria Pia Villa
- Child Neurology, Headache Paediatric Center, Paediatric Sleep Disorders, NESMOS Department, Chair of Pediatrics, Faculty of Medicine and Psychology, Sapienza University, c/o Sant'Andrea Hospital, Rome, Italy
| | - Paolo Curatolo
- Child Neuropsychiatry Unit, Systems Medicine Department, Tor Vergata University Hospital, Rome, Italy
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Arns M, Olbrich S. Personalized Medicine in ADHD and Depression: Use of Pharmaco-EEG. Curr Top Behav Neurosci 2014; 21:345-370. [PMID: 24615541 DOI: 10.1007/7854_2014_295] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
This chapter summarises recent developments on personalised medicine in psychiatry with a focus on ADHD and depression and their associated biomarkers and phenotypes. Several neurophysiological subtypes in ADHD and depression and their relation to treatment outcome are reviewed. The first important subgroup consists of the 'impaired vigilance' subgroup with often-reported excess frontal theta or alpha activity. This EEG subtype explains ADHD symptoms well based on the EEG Vigilance model, and these ADHD patients responds well to stimulant medication. In depression this subtype might be unresponsive to antidepressant treatments, and some studies suggest these depressive patients might respond better to stimulant medication. Further research should investigate whether sleep problems underlie this impaired vigilance subgroup, thereby perhaps providing a route to more specific treatments for this subgroup. Finally, a slow individual alpha peak frequency is an endophenotype associated with treatment resistance in ADHD and depression. Future studies should incorporate this endophenotype in clinical trials to investigate further the efficacy of new treatments in this substantial subgroup of patients.
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Affiliation(s)
- Martijn Arns
- Department of Experimental Psychology, Utrecht University, Utrecht, The Netherlands,
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Miano S, Donfrancesco R, Parisi P, Rabasco J, Mazzotta AR, Tabarrini A, Vitelli O, Villa MP. Case reports of sleep phenotypes of ADHD: from hypothesis to clinical practice. J Atten Disord 2013; 17:565-73. [PMID: 24022016 DOI: 10.1177/1087054713497254] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE Five sleep ADHD phenotypes have been hypothesized: (a) the hypo-arousal state of the "primary" form of ADHD, (b) the sleep phase advanced disorder, (c) sleep disordered breathing (SDB), (d) restless legs syndrome and/or periodic limb movements disorder (PLMD), and (e) epilepsy. METHOD Five case reports are presented; each child but one underwent video-polysomnography. RESULTS The first case report is an example of ADHD and SDB, with improvement of hypersomnolence after resolution of sleep apnea. The second case shows the impact of delayed sleep onset latency in the pathogenesis of ADHD, and the efficacy of melatonin. The third case report describes the association with PLMD, with amelioration after iron supplementation. The other two cases are examples of ADHD and epilepsy, with clinical improvement after antiepileptic treatment was started. CONCLUSION A diagnostic and therapeutic algorithm should be designed to find the best first-line treatment for ADHD and sleep problems/epilepsy.
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Katzav A, Arango MT, Kivity S, Tanaka S, Givaty G, Agmon-Levin N, Honda M, Anaya JM, Chapman J, Shoenfeld Y. Passive transfer of narcolepsy: Anti-TRIB2 autoantibody positive patient IgG causes hypothalamic orexin neuron loss and sleep attacks in mice. J Autoimmun 2013; 45:24-30. [DOI: 10.1016/j.jaut.2013.06.010] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2013] [Accepted: 06/18/2013] [Indexed: 01/07/2023]
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Abstract
OBJECTIVE Many EEG studies have reported that ADHD is characterized by elevated Theta/Beta ratio (TBR). In this study we conducted a meta-analysis on the TBR in ADHD. METHOD TBR data during Eyes Open from location Cz were analyzed from children/adolescents 6-18 years of age with and without ADHD. RESULTS Nine studies were identified with a total of 1253 children/adolescents with and 517 without ADHD. The grand-mean effect size (ES) for the 6-13 year-olds was 0.75 and for the 6-18 year-olds was 0.62. However the test for heterogeneity remained significant; therefore these ESs are misleading and considered an overestimation. Post-hoc analysis found a decreasing difference in TBR across years, explained by an increasing TBR for the non-ADHD groups. CONCLUSION Excessive TBR cannot be considered a reliable diagnostic measure of ADHD, however a substantial sub-group of ADHD patients do deviate on this measure and TBR has prognostic value in this sub-group, warranting its use as a prognostic measure rather than a diagnostic measure.
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Affiliation(s)
- Martijn Arns
- Research Institute Brainclinics, Nijmegen, Netherlands.
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Pizza F, Vandi S, Poli F, Moghadam KK, Franceschini C, Bellucci C, Cipolli C, Ingravallo F, Natalini G, Mignot E, Plazzi G. Narcolepsy with cataplexy mimicry: the strange case of two sisters. J Clin Sleep Med 2013; 9:611-2. [PMID: 23772196 DOI: 10.5664/jcsm.2764] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
We report on two sisters, 17 and 12 years of age, with clinical features suggesting narcolepsy with cataplexy (NC): daytime sleepiness, spontaneous and emotionally triggered sudden falls to the ground, and overweight/obesity. MSLT showed borderline sleep latency, with 1 and 0 sleep onset REM periods. HLA typing disclosed the DQB1*0602 allele. Video-polygraphy of the spells ruled out NC diagnosis by demonstrating their easy elicitation by suggestion, with wake EEG, electromyographic persistence of muscle tone, and stable presence of tendon reflexes (i.e., pseudo-cataplexy), together with normal cerebrospinal hypocretin-1 levels. Our cases emphasize the need of a clear depiction of cataplexy pattern at the different ages, the usefulness of examining ictal neurophysiology, and collecting all available disease markers in ambiguous cases.
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Affiliation(s)
- Fabio Pizza
- Department of Biomedical and Neuromotor Sciences, University of Bologna, and IRCCS Istituto delle Scienze Neurologiche, AUSL di Bologna, Bologna, Italy
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Lucila Andrade A. Relacion entre problemas habituales del sueño con deficit atencional y trastornos conductuales en niños. REVISTA MÉDICA CLÍNICA LAS CONDES 2013. [DOI: 10.1016/s0716-8640(13)70186-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Arns M, Kenemans JL. Neurofeedback in ADHD and insomnia: vigilance stabilization through sleep spindles and circadian networks. Neurosci Biobehav Rev 2012; 44:183-94. [PMID: 23099283 DOI: 10.1016/j.neubiorev.2012.10.006] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2012] [Revised: 06/28/2012] [Accepted: 10/11/2012] [Indexed: 12/26/2022]
Abstract
In this review article an overview of the history and current status of neurofeedback for the treatment of ADHD and insomnia is provided. Recent insights suggest a central role of circadian phase delay, resulting in sleep onset insomnia (SOI) in a sub-group of ADHD patients. Chronobiological treatments, such as melatonin and early morning bright light, affect the suprachiasmatic nucleus. This nucleus has been shown to project to the noradrenergic locus coeruleus (LC) thereby explaining the vigilance stabilizing effects of such treatments in ADHD. It is hypothesized that both Sensori-Motor Rhythm (SMR) and Slow-Cortical Potential (SCP) neurofeedback impact on the sleep spindle circuitry resulting in increased sleep spindle density, normalization of SOI and thereby affect the noradrenergic LC, resulting in vigilance stabilization. After SOI is normalized, improvements on ADHD symptoms will occur with a delayed onset of effect. Therefore, clinical trials investigating new treatments in ADHD should include assessments at follow-up as their primary endpoint rather than assessments at outtake. Furthermore, an implication requiring further study is that neurofeedback could be stopped when SOI is normalized, which might result in fewer sessions.
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Affiliation(s)
- Martijn Arns
- Department of Experimental Psychology, Utrecht University, Utrecht, The Netherlands; Research Institute Brainclinics, Bijleveldsingel 34, 6524 AD Nijmegen, The Netherlands.
| | - J Leon Kenemans
- Department of Experimental Psychology, Utrecht University, Utrecht, The Netherlands
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