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McGrath JL, Mantilla-Rivas E, Aivaz M, Manrique M, Rana MS, Crowder HR, Oh NS, Rogers GF, Oh AK. Predicting Failure of Conservative Airway Management in Infants with Robin Sequence: The EARN Factors. Cleft Palate Craniofac J 2024:10556656231224194. [PMID: 38166451 DOI: 10.1177/10556656231224194] [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: 01/04/2024] Open
Abstract
OBJECTIVE Evaluate infants with Robin Sequence (RS) who were successfully treated with conservative airway measures alone vs. those who failed and eventually underwent surgical airway intervention after a protracted course of conservative management. DESIGN Retrospective review of prospectively gathered database. SETTING Large tertiary care institution. PATIENTS Infants diagnosed with RS (n = 122) who underwent primary airway management at a single institution from 1994-2020. MAIN OUTCOME MEASURE Patient demographics, nutritional and respiratory status, laboratory values, and polysomnographic results were compared between patients who were discharged after successful conservative airway management (Group 1, n = 61) and patients that underwent surgical airway intervention after failing a prolonged course of conservative management (Group 2, n = 61). Receiver operating characteristic (ROC) curve analysis was done to assess continuous variables that may predict failure of conservative airway management. RESULTS 122 infants with RS were investigated. While several variables were significantly different between groups, the following polysomnographic EARN factors, with cut points, were identified as most predictive of failed conservative airway management: ETCO2 (max) > 49 mmHg, AHI > 16.9 events/hour, OAHI REM >25.9 events/hour, OAHI Non-REM > 23.6 events/hour. CONCLUSIONS We identified factors in infants with RS that were associated with severe UAO that failed to improve despite weeks of conservative airway management. Our results may expedite earlier definitive treatment of these critical patients and reduce risks for known complications of prolonged UAO.
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Affiliation(s)
- Jennifer L McGrath
- From the Division of Plastic and Reconstructive Surgery, Children's National Hospital, Washington, DC, USA
| | - Esperanza Mantilla-Rivas
- From the Division of Plastic and Reconstructive Surgery, Children's National Hospital, Washington, DC, USA
| | - Marudeen Aivaz
- From the Division of Plastic and Reconstructive Surgery, Children's National Hospital, Washington, DC, USA
| | - Monica Manrique
- From the Division of Plastic and Reconstructive Surgery, Children's National Hospital, Washington, DC, USA
| | - Md Sohel Rana
- From the Division of Plastic and Reconstructive Surgery, Children's National Hospital, Washington, DC, USA
| | - Hannah R Crowder
- From the Division of Plastic and Reconstructive Surgery, Children's National Hospital, Washington, DC, USA
| | - Nathanael S Oh
- From the Division of Plastic and Reconstructive Surgery, Children's National Hospital, Washington, DC, USA
| | - Gary F Rogers
- From the Division of Plastic and Reconstructive Surgery, Children's National Hospital, Washington, DC, USA
| | - Albert K Oh
- From the Division of Plastic and Reconstructive Surgery, Children's National Hospital, Washington, DC, USA
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Teh JZ, Grummitt L, Haroutonian C, Cross NE, Skinner B, Bartlett DJ, Yee B, Grunstein RR, Naismith SL, D’Rozario AL. Overnight declarative memory consolidation and non-rapid eye movement sleep electroencephalographic oscillations in older adults with obstructive sleep apnea. Sleep 2023; 46:zsad087. [PMID: 37052122 PMCID: PMC10666962 DOI: 10.1093/sleep/zsad087] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 03/01/2023] [Indexed: 04/14/2023] Open
Abstract
STUDY OBJECTIVES To compare overnight declarative memory consolidation and non-rapid eye movement (NREM) sleep electroencephalogram (EEG) oscillations in older adults with obstructive sleep apnea (OSA) to a control group and assess slow-wave activity (SWA) and sleep spindles as correlates of memory consolidation. METHODS Forty-six older adults (24 without OSA and 22 with OSA) completed a word-pair associate's declarative memory task before and after polysomnography. Recall and recognition were expressed as a percentage of the morning relative to evening scores. Power spectral analysis was performed on EEG recorded at frontal (F3-M2, F4-M1) and central (C3-M2, C4-M1) sites. We calculated NREM absolute slow oscillation (0.25-1 Hz) and delta (0.5-4.5 Hz) EEG power, and slow (11-13 Hz) spindle density (number of events per minute of N2 sleep) and fast (13-16 Hz) spindle density. RESULTS There were no significant differences in overnight recall and recognition between OSA (mean age 58.7 ± 7.1 years, apnea-hypopnea index (AHI) 41.9 ± 29.7 events/hour) and non-OSA (age 61.1 ± 10.3 years, AHI 6.6 ± 4.2 events/hour) groups. The OSA group had lower fast spindle density in the frontal region (p = 0.007). No between-group differences in SWA were observed. In the Control group, overnight recognition positively correlated with slow spindle density in frontal (rho = 0.555, p = 0.020) and central regions (rho = 0.490, p = 0.046). Overnight recall was not related to SWA or spindle measures in either group. CONCLUSIONS Older adults with OSA had deficits in fast sleep spindles but showed preserved overnight declarative memory consolidation. It is possible that compensatory mechanisms are being recruited by OSA patients to preserve declarative memory consolidation despite the presence of sleep spindle deficits.
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Affiliation(s)
- Jun Z Teh
- School of Psychology, Faculty of Science, Brain and Mind Centre and Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
- CIRUS Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, Macquarie University, Sydney, NSW, Australia
- NHMRC Centre of Research Excellence to Optimise Sleep in Brain Ageing and Neurodegeneration (CogSleep CRE), Sydney, NSW, Australia
| | - Lucinda Grummitt
- School of Psychology, Faculty of Science, Brain and Mind Centre and Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
| | - Carla Haroutonian
- School of Psychology, Faculty of Science, Brain and Mind Centre and Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
- CIRUS Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, Macquarie University, Sydney, NSW, Australia
| | - Nathan E Cross
- CIRUS Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, Macquarie University, Sydney, NSW, Australia
| | - Bradley Skinner
- CIRUS Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, Macquarie University, Sydney, NSW, Australia
| | - Delwyn J Bartlett
- CIRUS Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, Macquarie University, Sydney, NSW, Australia
- NHMRC Centre of Research Excellence to Optimise Sleep in Brain Ageing and Neurodegeneration (CogSleep CRE), Sydney, NSW, Australia
| | - Brendon Yee
- CIRUS Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, Macquarie University, Sydney, NSW, Australia
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
- Department of Respiratory and Sleep Medicine, Royal Prince Alfred Hospital, Camperdown, Sydney, NSW, Australia
| | - Ronald R Grunstein
- CIRUS Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, Macquarie University, Sydney, NSW, Australia
- NHMRC Centre of Research Excellence to Optimise Sleep in Brain Ageing and Neurodegeneration (CogSleep CRE), Sydney, NSW, Australia
- Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
- Department of Respiratory and Sleep Medicine, Royal Prince Alfred Hospital, Camperdown, Sydney, NSW, Australia
| | - Sharon L Naismith
- School of Psychology, Faculty of Science, Brain and Mind Centre and Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
- NHMRC Centre of Research Excellence to Optimise Sleep in Brain Ageing and Neurodegeneration (CogSleep CRE), Sydney, NSW, Australia
| | - Angela L D’Rozario
- School of Psychology, Faculty of Science, Brain and Mind Centre and Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
- CIRUS Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, Macquarie University, Sydney, NSW, Australia
- NHMRC Centre of Research Excellence to Optimise Sleep in Brain Ageing and Neurodegeneration (CogSleep CRE), Sydney, NSW, Australia
- School of Psychological Sciences, Macquarie University, Sydney, NSW, Australia
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Csábi E, Gaál V, Hallgató E, Schulcz RA, Katona G, Benedek P. Increased behavioral problems in children with sleep-disordered breathing. Ital J Pediatr 2022; 48:173. [PMID: 36109824 PMCID: PMC9479439 DOI: 10.1186/s13052-022-01364-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 08/31/2022] [Indexed: 11/10/2022] Open
Abstract
Background Healthy sleep is essential for the cognitive, behavioral and emotional development of children. Therefore, this study aimed to assess the behavioral consequences of sleep disturbances by examining children with sleep-disordered breathing compared with control participants. Methods Seventy-eight children with SDB (average age: 6.7 years (SD = 1.83); 61 had OSA and 17 had primary snoring) and 156 control subjects (average age: 6.57 years (SD = 1.46) participated in the study. We matched the groups in age (t(232) = 0.578, p = 0.564) and gender (χ2(1) = 2.192, p = 0.139). In the SDB group, the average Apnea–Hypopnea Index was 3.44 event/h (SD = 4.00), the average desaturation level was 87.37% (SD = 6.91). Parent-report rating scales were used to measure the children’s daytime behavior including Attention Deficit Hyperactivity Disorder Rating Scale, Strengths and Difficulties Questionnaire, and Child Behavior Checklist. Results Our results showed that children with SDB exhibited a higher level of inattentiveness and hyperactive behavior. Furthermore, the SDB group demonstrated more internalizing (anxiety, depression, somatic complaints, social problems) (p < 0.001) and externalizing (aggressive and rule-breaking behavior) problems compared with children without SDB, irrespective of severity. Conclusions Based on our findings we supposed that snoring and mild OSA had a risk for developing behavioral and emotional dysfunctions as much as moderate-severe OSA. Therefore, clinical research and practice need to focus more on the accurate assessment and treatment of sleep disturbances in childhood, particularly primary snoring, and mild obstructive sleep apnea.
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4
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Effect of allergic rhinitis on sleep in children and the risk factors of an indoor environment. Sleep Breath 2022; 26:1265-1275. [DOI: 10.1007/s11325-021-02546-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 11/28/2021] [Accepted: 12/01/2021] [Indexed: 10/19/2022]
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Garagozzo A, Hunter SJ. Cognition in pediatric SDB-Yes, no, maybe? Pediatr Pulmonol 2022; 57:1921-1930. [PMID: 33838008 DOI: 10.1002/ppul.25420] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 03/24/2021] [Accepted: 03/25/2021] [Indexed: 11/08/2022]
Abstract
Numerous studies in the past 10 years have reported on the neurocognitive sequalae of pediatric sleep disordered breathing (SDB). Variations in criteria used to define SDB in conjunction with the wide variety of neuropsychological measures selected to evaluate cognitive consequences of SDB have resulted in discrepancies within the literature. This review summarizes the extent literature regarding cognitive effects of pediatric SDB across domains of global intelligence, attention, executive function, memory, language, and visuospatial ability. This review also addresses the proposed etiology underlying neurocognitive consequences of pediatric SDB. The differences in findings across the literature are highlighted and discussed throughout.
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Affiliation(s)
- Ariana Garagozzo
- Department of Psychology, Roosevelt University, Chicago, Illinois, USA.,Department of Psychiatry and Behavioral Neuroscience, The University of Chicago, Chicago, Illinois, USA
| | - Scott J Hunter
- Department of Psychiatry and Behavioral Neuroscience, The University of Chicago, Chicago, Illinois, USA
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6
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Menzies B, Teng A, Burns M, Lah S. Neurocognitive outcomes of children with sleep disordered breathing: a systematic review with meta-analysis. Sleep Med Rev 2022; 63:101629. [DOI: 10.1016/j.smrv.2022.101629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 10/18/2022]
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7
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Shi Y, Feng Y, Zhang Y, Liu H, Luo H, Shang L, Xing L, Hou J, Yan J, Liu X, Zhang Q, Si C, Ren X. Assessment of event-related evoked potentials and China-Wechsler intelligence scale for cognitive dysfunction in children with obstructive sleep apnea. Int J Pediatr Otorhinolaryngol 2021; 150:110901. [PMID: 34450546 DOI: 10.1016/j.ijporl.2021.110901] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 07/06/2021] [Accepted: 08/22/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To explore the relationship between obstructive sleep apnea (OSA) and cognitive impairment by combining event-related evoked potentials (ERPs) and China-Wechsler Younger Children Scale (C-WISC) in children with sleep-disordered breathing (SDB) with vs. without OSA. METHODS This was a retrospective case-control study of all consecutive children (n = 148) with adenoid tonsil hypertrophy between July 2017 and March 2019 at the Hospital. RESULTS The children were divided into the OSA (n = 102) and non-OSA (n = 46) groups. The apnea-hypopnea index (AHI), obstructive apnea index (OAI), and obstructive apnea-hypopnea index (OAHI) in the OSA group were elevated compared with those of the non-OSA group (all P < 0.001). The mean oxygen saturation (SaO2) and SaO2 nadir were lower in the OSA group compared with the non-OSA group (both P < 0.001). The respiratory arousal index (RAI) values in the OSA group were larger than those of the non-OSA group (P < 0.001). The P300 and N100 latencies in the OSA group were longer than those of the non-OSA group (both P < 0.001). Pearson's correlation analysis revealed correlations of the P300 peak latency with full-scale intelligence quotient (FIQ) (P < 0.001 and r = -0.527), verbal intelligence quotient (VIQ) (P < 0.001 and r = -0.448), and performance intelligence quotient (PIQ) (P < 0.001 and r = -0.515). There was a correlation between the N100 peak latency and PIQ (P = 0.026 and r = -0.183). CONCLUSION ERPs, as an objective measurement, might help assess cognitive impairment in children with OSA.
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Affiliation(s)
- Yewen Shi
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yani Feng
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yitong Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Haiqin Liu
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Huanan Luo
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Lei Shang
- Department of Health Statistics, School of Public Health, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Liang Xing
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China; Department of Otorhinolaryngology Head and Neck Surgery, People's Hospital of Tongchuan, Tongchuan, Shaanxi, China
| | - Jin Hou
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jing Yan
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Xiaohong Liu
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Qingqing Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Chao Si
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Xiaoyong Ren
- Department of Otorhinolaryngology Head and Neck Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
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8
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Brockmann PE, Poggi H, Martinez A, D'Apremont I, Moore R, Smith D, Gozal D. Perinatal antecedents of sleep disturbances in schoolchildren. Sleep 2021; 43:5755896. [PMID: 32095821 DOI: 10.1093/sleep/zsaa021] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 01/08/2020] [Indexed: 12/19/2022] Open
Abstract
STUDY OBJECTIVES Prematurity has been associated with an increased risk for sleep apnea. However, sleep disturbances in children born preterm have not been extensively investigated. Considering that determinants of sleep may originate early in life, the potential impact of prematurity on sleep disturbances later in life could be important. To establish the role of prematurity on sleep disturbances in a cohort of schoolchildren that were born preterm and compare them with healthy controls. METHODS A cohort of 147 schoolchildren, 45 born at term (≥37 weeks) and 102 very preterm (<32 weeks), was recruited and evaluated at school age (5-9 years). The Pediatric Sleep Questionnaire (PSQ) and the Sleep Disturbance Scale for Children (SDSC) were used to assess sleep disturbances in different domains. RESULTS PSQ score was significantly higher in former preterm children (0.26 ± 0.18 vs. 0.18 ± 0.14 in controls; p = 0.004), and SDSC total score was also significantly different among groups (21.7 ± 11.6 vs. 14.1 ± 12.6; p < 0.001). Regression models showed significant mean differences in PSQ score, total SDSC score, and two SDSC subscale scores (i.e. sleep-wake transition disorders, sleep-breathing disorders, and sleep hyperhidrosis) even after adjustment for confounders. Maternal age and type of delivery were not significantly associated with total PSQ scores. CONCLUSIONS Sleep disturbances may originate early in life since children born preterm exhibit an increased risk for developing long-term sleep problems. These findings may have important implications for management of preterm children and for implementation of early interventions focused on optimizing sleep habits.
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Affiliation(s)
- Pablo E Brockmann
- Department of Pediatric Cardiology and Pulmonology, Division of Pediatrics, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.,Pediatric Sleep Center, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Helena Poggi
- Endocrinology Unit, Division of Pediatrics, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alejandro Martinez
- Endocrinology Unit, Division of Pediatrics, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Ivonne D'Apremont
- Neonatology Unit, Pediatric Department, Hospital Dr. Sotero del Rio, Santiago, Chile
| | - Rosario Moore
- Pediatrics Department, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Dale Smith
- Department of Psychology & Statistics, Olivet Nazarene University, Chicago, IL
| | - David Gozal
- Department of Child Health and Child Health Research Institute, University of Missouri School of Medicine, Columbia, MO
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Ucros S, Granados C, Hill C, Castro-Rodriguez JA, Ospina JC. Normal values for respiratory sleep polygraphy in children aged 4 to 9 years at 2,560 m above sea level. J Sleep Res 2021; 30:e13341. [PMID: 33723892 DOI: 10.1111/jsr.13341] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 02/15/2021] [Accepted: 03/02/2021] [Indexed: 01/26/2023]
Abstract
Obstructive sleep apnea syndrome affects 1%-4% of all children worldwide. Currently, diagnosis of obstructive sleep apnea is based on sea-level guidelines, without taking into account the altitude at which the populations live. It has been shown that at 3,200 m of altitude there is an increase in obstructive events in healthy children aged 7 to 16 years; on the other hand, it is known that SpO2 dispersion between individuals becomes wider as altitude increases, a phenomenon that is more marked during sleep. About 17 million Colombians live in regions between 2,500 m and 2,700 m, as do significant populations in other Latin American countries. This research aimed to characterize respiratory polygraphy sleep parameters in healthy, non-snoring children aged 4-9 years living at 2,560 m. We carried out home respiratory polygraphy in 32 children with a mean age of 6.2 years (range 4-9 years). The average recorded sleep time was 7.8 h, the median apnea-hypopnea index was 9.2/h, the obstructive apnea-hypopnea index had a median of 8.8/h (p5 4.2 to p95 17.9) and central apnea a median of 0.4/h. The median SpO2 was 93% (p5 90.5 to p95 94) and transcutaneous CO2 had a median of 39.4 mmHg (p531.7 to p95 42.3). The median oxygen desaturation index ≥ 3% was 11.2 and median oxygen desaturation index ≥ 4% was 3.9. Normal measurements for respiratory polygraphy obtained at sea level do not apply to children at altitude. If such guidelines are used, obstructive sleep apnea will be over-diagnosed, resulting in unnecessary adenotonsillectomies, among other interventions.
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Affiliation(s)
- Santiago Ucros
- Pediatrics Department, Fundación Santa Fe de Bogota, Bogota, Colombia
| | - Claudia Granados
- Pediatrics Department, Pontifical Xavierian University, Bogota, Colombia
| | - Catherine Hill
- School of Clinical and Experimental Sciences, University of Southampton, Hampshire, UK
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Oceja E, Rodríguez P, Jurado MJ, Luz Alonso M, del Río G, Villar MÁ, Mediano O, Martínez M, Juarros S, Merino M, Corral J, Luna C, Kheirandish-Gozal L, Gozal D, Durán-Cantolla J. Validity and Cost-Effectiveness of Pediatric Home Respiratory Polygraphy for the Diagnosis of Obstructive Sleep Apnea in Children: Rationale, Study Design, and Methodology. Methods Protoc 2021; 4:9. [PMID: 33477929 PMCID: PMC7838960 DOI: 10.3390/mps4010009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 01/14/2021] [Accepted: 01/15/2021] [Indexed: 12/15/2022] Open
Abstract
Obstructive sleep apnea (OSA) in children is a prevalent, albeit largely undiagnosed disease associated with a large spectrum of morbidities. Overnight in-lab polysomnography remains the gold standard diagnostic approach, but is time-consuming, inconvenient, and expensive, and not readily available in many places. Simplified Home Respiratory Polygraphy (HRP) approaches have been proposed to reduce costs and facilitate the diagnostic process. However, evidence supporting the validity of HRP is still scarce, hampering its implementation in routine clinical use. The objectives were: Primary; to establish the diagnostic and therapeutic decision validity of a simplified HRP approach compared to PSG among children at risk of OSA. Secondary: (a) Analyze the cost-effectiveness of the HRP versus in-lab PSG in evaluation and treatment of pediatric OSA; (b) Evaluate the impact of therapeutic interventions based on HRP versus PSG findings six months after treatment using sleep and health parameters and quality of life instruments; (c) Discovery and validity of the urine biomarkers to establish the diagnosis of OSA and changes after treatment.
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Affiliation(s)
- Esther Oceja
- Domiciliary Hospitalization, Sleep Unit, OSI Araba University Hospital, 01004 Vitoria, Spain;
| | - Paula Rodríguez
- Research Service and Bioaraba Research Institute, OSI Araba University Hospital, UPV/EHU, 01004 Vitoria, Spain;
| | - María José Jurado
- Sleep Unit, Hospital Universitario Valle de Hebrón, 08035 Barcelona, Spain;
| | - Maria Luz Alonso
- Sleep Unit, Complejo Hospitalario de Burgos, 09006 Burgos, Spain
| | | | | | - Olga Mediano
- Sleep Unit, Hospital de Guadalajara, 19002 Guadalajara, Spain;
| | - Marian Martínez
- Sleep Unit, Hospital Universitario Marqués de Valdecilla, 39008 Santander, Spain;
| | - Santiago Juarros
- Sleep Unit, Hospital Universitario de Valladolid, 47012 Valladolid, Spain;
| | - Milagros Merino
- Sleep Unit, Hospital Universitario La Paz, 28046 Madrid, Spain;
| | - Jaime Corral
- Sleep Unit, Complejo Hospitalario de Cáceres, 100003 Cáceres, Spain;
| | - Carmen Luna
- Sleep Unit, Hospital Universitario 12 de Octubre, 280035 Madrid, Spain;
| | - Leila Kheirandish-Gozal
- Department of Child Health and Child Health Research Institute, School of Medicine, University of Missouri, Columbia, MO 65201, USA; (L.K.-G.); (D.G.)
| | - David Gozal
- Department of Child Health and Child Health Research Institute, School of Medicine, University of Missouri, Columbia, MO 65201, USA; (L.K.-G.); (D.G.)
| | - Joaquín Durán-Cantolla
- Research Service and Bioaraba Research Institute, OSI Araba University Hospital, UPV/EHU, 01004 Vitoria, Spain;
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11
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Horger MN, DeMasi A, Allia AM, Scher A, Berger SE. Newly walking infants' night sleep impacts next day learning and problem solving. ADVANCES IN CHILD DEVELOPMENT AND BEHAVIOR 2021; 60:57-83. [PMID: 33641800 DOI: 10.1016/bs.acdb.2020.08.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Sleep is part of the process that prepares children and adults for next day cognitive activity. Insufficient or fragmented sleep has a detrimental impact on subsequent encoding (Rouleau et al., 2002) and cognitive functioning (Joo et al., 2012). However, fragmented sleep early in life is a developmental norm, limiting the extent to which conclusions derived from older populations can be generalized. To directly test the continuity of this relationship, newly-walking infants' (N=58) sleep was monitored overnight using actigraphy. The next morning they were taught a motor problem-solving task. The task required infants to navigate through a tunnel to reach a goal at the other end. We coded infants' exploratory behaviors and the extent of training required to solve the task. Using a cluster analysis that accounted for exploratory behaviors and number of training prompts, infants were sorted into three profiles: those who found the task Easy to solve, those who found it Difficult, and those who Never solved it. Wake episodes and sleep efficiency were entered as predictors of cluster membership in a multinomial logistic regression. Of the infants who ultimately solved the task, those with more wake episodes and lower sleep efficiency had more difficulty. Specifically, fragmentation appeared to negatively impact preparedness to learn. Contrary to our expectations, infants who Never solved the task had the least fragmented sleep, indicating that an optimal level of fragmentation is needed for efficient problem-solving. For infants, some level of sleep fragmentation is needed the night before learning in order to solve a task efficiently. These findings highlight the interaction between developmental domains, from sleep quality to motor experience, and their impact on infant learning in real time.
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Affiliation(s)
- Melissa N Horger
- The Graduate Center, City University of New York (CUNY), New York, NY, United States.
| | - Aaron DeMasi
- The Graduate Center, City University of New York (CUNY), New York, NY, United States
| | - Angelina M Allia
- The College of Staten Island, CUNY, Staten Island, NY, United States
| | - Anat Scher
- Department of Counseling and Human Development, University of Haifa, Haifa, Israel
| | - Sarah E Berger
- Department of Psychology, The College of Staten Island and the Graduate Center of the City University of New York, NY, United States
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The relationship between chronic health conditions and cognitive deficits in children, adolescents, and young adults with down syndrome: A systematic review. PLoS One 2020; 15:e0239040. [PMID: 32915911 PMCID: PMC7485757 DOI: 10.1371/journal.pone.0239040] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 08/30/2020] [Indexed: 12/15/2022] Open
Abstract
Background Individuals with Down syndrome are predisposed to a number of chronic health conditions, but the relationship between these conditions and cognitive ability is not clear. The primary objective of this systematic review is to assess this relationship by evaluating studies that measure cognitive performance in the context of Down syndrome-associated chronic health conditions. Methods A systematic review was conducted in accordance with the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) guidelines. Studies included in this review (1) included children, adolescent, and young adult participants with Down syndrome and one or more co-occurring health conditions; (2) were quantitative; and (3) reported outcomes related to both chronic health conditions and cognitive performance. A set of predetermined chronic health conditions that are common in Down syndrome (e.g. sleep disorders, congenital heart disease, thyroid disease, seizure disorders, and pulmonary hypertension) were selected based on prevalence rates in Down syndrome. Results Fifteen studies met inclusion criteria. The majority these of studies assessed cognitive performance in association with sleep disorders (47%) and congenital heart disease (47%). Fewer studies reported on the effect of thyroid disease (7%) and seizure disorders (7%) on cognitive ability. None of the studies reported cognitive outcomes related to pulmonary hypertension. Of the chronic health conditions evaluated, associations between sleep disorders and cognitive dysfunction were most common among individuals with Down syndrome. Conclusions Individuals with Down syndrome exhibit deficits in cognitive ability, particularly related to attention, executive function and verbal processing. These deficits may be further exacerbated by the presence of chronic health conditions, particularly sleep disorders. Individuals with Down syndrome and co-occurring sleep disorders may benefit from early interventions to mitigate their risk for adverse cognitive outcomes.
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Abstract
Pediatric obstructive sleep apnea affects a large number of children and has multiple end-organ sequelae. Although many of these have been demonstrated to be reversible, the effects on some of the organ systems, including the brain, have not shown easy reversibility. Progress in this area has been hampered by lack of a preclinical model to study the disease. Therefore, perioperative and sleep physicians are tasked with making a number of difficult decisions, including optimal surgical timing to prevent disease evolution, but also to keep the perioperative morbidity in a safe range for these patients.
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Affiliation(s)
- Arvind Chandrakantan
- Department of Anesthesiology, Perioperative and Pain Medicine, Texas Children's Hospital, Baylor College of Medicine, 6621 Fannin Street, A330, Houston, TX 77030, USA.
| | - Adam C Adler
- Department of Anesthesiology, Perioperative and Pain Medicine, Texas Children's Hospital, Baylor College of Medicine, 6621 Fannin Street, A330, Houston, TX 77030, USA
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Crespo A, Baillieul S, Marhuenda E, Bradicich M, Andrianopoulos V, Louvaris Z, Marillier M, Almendros I. ERS International Congress, Madrid, 2019: highlights from the Sleep and Clinical Physiology Assembly. ERJ Open Res 2020; 6:00373-2019. [PMID: 32714963 PMCID: PMC7369446 DOI: 10.1183/23120541.00373-2019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Accepted: 05/13/2020] [Indexed: 12/12/2022] Open
Abstract
The 2019 European Respiratory Society (ERS) International Congress took place in Madrid, Spain, and served as a platform to find out the latest advances in respiratory diseases research. The research aims are to understand the physiology and consequences of those diseases, as well as the improvement in their diagnoses, treatments and patient care. In particular, the scientific sessions arranged by ERS Assembly 4 provided novel insights into sleep-disordered breathing and new knowledge in respiratory physiology. This article, divided by session, will summarise the most relevant studies presented at the ERS International Congress. Each section has been written by Early Career Members specialising in the different fields of this interdisciplinary assembly.
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Affiliation(s)
- Andrea Crespo
- Multidisciplinary Sleep Unit, Dept of Pulmonology, Rio Hortega University Hospital, Valladolid, Spain
- Biomedical Engineering Group, University of Valladolid, Valladolid, Spain
- All authors contributed equally to this work
| | - Sébastien Baillieul
- HP2 Laboratory, INSERM U1042, Grenoble Alpes University, Grenoble, France
- FCR Laboratory, Grenoble Alpes University Hospital, Grenoble, France
- All authors contributed equally to this work
| | - Esther Marhuenda
- Unitat de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias CIBERES, Madrid, Spain
- All authors contributed equally to this work
| | - Matteo Bradicich
- Dept of Pulmonology and Sleep Disorders Centre, University Hospital Zurich, Zurich, Switzerland
- All authors contributed equally to this work
| | - Vasileios Andrianopoulos
- Institute for Pulmonary Rehabilitation Research, Schoen Klinik Berchtesgadener Land, Schoenau am Koenigssee, Germany
- All authors contributed equally to this work
| | - Zafeiris Louvaris
- Faculty of Kinesiology and Rehabilitation Sciences, Division of Respiratory Rehabilitation, Department Rehabilitation Sciences KU Leuven, University Hospitals Leuven, Leuven, Belgium
- All authors contributed equally to this work
| | - Mathieu Marillier
- Laboratory of Clinical Exercise Physiology, Queen's University, Kingston, ON, Canada
- All authors contributed equally to this work
| | - Isaac Almendros
- Unitat de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias CIBERES, Madrid, Spain
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
- All authors contributed equally to this work
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15
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Kombathula R, Ingram DG, Ehsan Z. Current Practice Patterns in the Diagnosis and Management of Sleep-Disordered Breathing in Infants. J Clin Sleep Med 2019; 15:1427-1431. [PMID: 31596207 PMCID: PMC6778355 DOI: 10.5664/jcsm.7968] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Revised: 05/22/2019] [Accepted: 05/23/2019] [Indexed: 11/13/2022]
Abstract
STUDY OBJECTIVES Currently, there are no universally accepted guidelines for diagnosis and management of sleep-disordered breathing (SDB) in infants. The purpose of this study was to survey pediatric sleep medicine providers regarding their current practice patterns for diagnosis and management of SDB in infants. METHODS An anonymous, web-based survey with 71 questions was distributed via the PEDSLEEP and Ped-Lung listserv, which serve as a hub of communication for pediatric sleep and pulmonary medicine providers worldwide. RESULTS Fifty-four providers from eight countries completed the survey. Ninety-six percent of providers reported performing sleep studies in infants with 53% performing more than 30 studies per year. There was no consensus on the definition of obstructive sleep apnea (OSA) in infants when using an obstructive apnea-hypopnea index (AHIo) cutoff: AHIo > 1 (30%), AHIo > 2 (35%), AHIo > 5 (24%), AHIo > 10 (2%) and other (9.3%). Thirty-six percent did not use pediatric criteria to define severity of OSA in infants. Opinions regarding management of five typical SDB cases were solicited and the results varied among respondents. Most of the providers (89%) thought that more research is needed to gather normative sleep data in infants and that their practice would benefit from evidence- based guidelines for diagnosis and management of SDB in infants (98%). CONCLUSIONS These results demonstrate substantial variability in practice patterns for diagnosis and management of SDB in infants. Further research and consensus guidelines are needed to ensure optimal care for infants with SDB.
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Affiliation(s)
- Rachana Kombathula
- School of Medicine, University of Missouri-Kansas City, Kansas City, Missouri
| | - David G. Ingram
- Division of Pulmonary and Sleep Medicine, Children’s Mercy-Kansas City, Kansas City, Missouri
| | - Zarmina Ehsan
- Division of Pulmonary and Sleep Medicine, Children’s Mercy-Kansas City, Kansas City, Missouri
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Prehn-Kristensen A, Göder R. [Sleep and cognition in children and adolescents]. ZEITSCHRIFT FUR KINDER-UND JUGENDPSYCHIATRIE UND PSYCHOTHERAPIE 2018; 46:405-422. [PMID: 30141742 DOI: 10.1024/1422-4917/a000614] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Sleep and cognition in children and adolescents Abstract. In this review, one of the most important functions of sleep was described: Its role in promoting cognitive processes in children and adolescents. Particularly, studies of older children and adolescents revealed that sleep interacts in a complex manner with cognitive performance. Moreover, it was shown that sleep supports long-term memory even in young children. This is true for many different long-term memory systems such as memory of factual information (declarative memory), language acquisition, and for reward-related learning, but less so for learning motor skills. Clinical implications arise from observing the consequences of sleep deficits in children and adolescents due to early school hours or due to clinical conditions like attention deficits hyperactive disorder (ADHD), sleep apnea syndrome or other sleep disturbances. Current research has only partially shown that the treatment of sleep problems also benefits cognitive and memory performance. Filling this gap remains an opportunity for further research.
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Affiliation(s)
- Alexander Prehn-Kristensen
- 1 Klinik für Kinder- und Jugendpsychiatrie und -psychotherapie, Zentrum für Integrative Psychiatrie, Universitätsklinikum Schleswig-Holstein, UKSH, Campus Kiel
| | - Robert Göder
- 2 Klinik für Psychiatrie und Psychotherapie, Zentrum für Integrative Psychiatrie, Universitätsklinikum Schleswig-Holstein, UKSH, Campus Kiel
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Kheirandish-Gozal L, Sahib AK, Macey PM, Philby MF, Gozal D, Kumar R. Regional brain tissue integrity in pediatric obstructive sleep apnea. Neurosci Lett 2018; 682:118-123. [PMID: 29883682 DOI: 10.1016/j.neulet.2018.06.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 06/02/2018] [Accepted: 06/03/2018] [Indexed: 12/14/2022]
Abstract
Children with long-standing obstructive sleep apnea (OSA) show evidence of neural injury and functional deficits in behavioral and cognitive regulatory brain regions that are reflected in symptoms of altered cognitive performance and behaviors. While we earlier showed reduced gray matter volume and increased and reduced regional cortical thicknesses, such structural changes give little indication of the underlying pathology. Brain tissue integrity in pediatric OSA subjects can reflect the nature and extent of injury or structural adaptation, and can be assessed by entropy tissue texture, a measure of local changes in signal intensity patterns from high-resolution magnetic resonance images. We collected high-resolution T1-weighted magnetic resonance images from 10 pediatric OSA (age, 7.9 ± 1.1 years; apnea-hypopnea-index, 8.8 ± 3.0 events/hour; body-mass-index, 20 ± 6.7 kg/m2; 7 male) and 8 healthy controls (age, 8.8 ± 1.6 years; body-mass-index, 19.6 ± 5.9 kg/m2; 5 female). Images were bias-corrected and entropy maps calculated, individual maps were normalized to a common space, smoothed, and compared between groups (ANCOVA; covariates: age, gender; SPM12, uncorrected-threshold p < 0.005). No significant differences in age (p = .48), gender (p = .59), or body-mass-index (p = .63) emerged between groups. In OSA children, several brain sites including the pre-frontal cortex, middle and posterior corpus callosum, thalamus, hippocampus, and cerebellar areas showed reduced entropy values, indicating tissue changes suggestive of acute insults. No regions showed higher entropy values in OSA. Children suffering from OSA display predominantly acute tissue injury in neural regions principally localized within autonomic, respiratory, cognitive, and neuropsychologic control, functions that correspond to previously-reported comorbidities associated with OSA. A range of acute processes, including hypoxia/re-oxygenation, repeated arousals, and episodic hypercarbia, may have contributed to regional brain tissue integrity changes in pediatric OSA.
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Affiliation(s)
- Leila Kheirandish-Gozal
- Section of Pediatric Sleep Medicine, Department of Pediatrics, Pritzker School of Medicine, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Ashish K Sahib
- Departments of Anesthesiology, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Paul M Macey
- UCLA School of Nursing, University of California Los Angeles, Los Angeles, CA 90095, USA; Brain Research Institute, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Mona F Philby
- Section of Pediatric Sleep Medicine, Department of Pediatrics, Pritzker School of Medicine, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - David Gozal
- Section of Pediatric Sleep Medicine, Department of Pediatrics, Pritzker School of Medicine, Biological Sciences Division, University of Chicago, Chicago, IL, USA
| | - Rajesh Kumar
- Departments of Anesthesiology, University of California Los Angeles, Los Angeles, CA 90095, USA; Radiological Sciences, University of California Los Angeles, Los Angeles, CA 90095, USA; Bioengineering, University of California Los Angeles, Los Angeles, CA 90095, USA; Brain Research Institute, University of California Los Angeles, Los Angeles, CA 90095, USA.
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Sleep spindle activity in children with obstructive sleep apnea as a marker of neurocognitive performance: A pilot study. Eur J Paediatr Neurol 2018; 22:434-439. [PMID: 29477593 DOI: 10.1016/j.ejpn.2018.02.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Revised: 01/14/2018] [Accepted: 02/05/2018] [Indexed: 11/22/2022]
Abstract
STUDY OBJECTIVES To assess spindle activity as possible markers for neurocognitive consequences in children with mild obstructive sleep apnea. METHODS Children aged 6-11 years diagnosed with mild OSA (i.e., an apnea hypopnea index <5.0) were recruited and compared with age and gender-matched healthy controls. Polysomnographic recordings were analyzed for sleep microstructure and spindle activity. All children completed also an intelligence test battery (i.e., the Wechsler intelligence test for children, 4th version). RESULTS Nineteen children with OSA (13 boys, mean age 7.1 ± 1.4 y), and 14 controls (7 boys, mean age 8.1 ± 1.9 y) were included. Mean IQ was 110 ± 12 for the complete sample, in children with OSA 111 ± 13, and in controls 108 ± 12 (p = 0.602). Controls showed a higher spindle index in N2 stage than children with OSA: 143.0 ± 42.5 vs 89.5 ± 56.9, respectively (p = 0.003). Spindle index in NREM was strongly and significantly correlated with Verbal Comprehension Index (VCI), Working Memory Index (WMI), Processing Speed Index (PSI), and total IQ in children with OSA. CONCLUSIONS Children with mild OSA demonstrate a different pattern of sleep spindle activity that seems to be linked with neurocognitive performance, especially concerning memory. Sleep spindle activity seems to be involved with mechanisms related with neurocognitive consequences in children with OSA.
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Macey PM, Kheirandish-Gozal L, Prasad JP, Ma RA, Kumar R, Philby MF, Gozal D. Altered Regional Brain Cortical Thickness in Pediatric Obstructive Sleep Apnea. Front Neurol 2018; 9:4. [PMID: 29403430 PMCID: PMC5786747 DOI: 10.3389/fneur.2018.00004] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Accepted: 01/03/2018] [Indexed: 01/27/2023] Open
Abstract
Rationale Obstructive sleep apnea (OSA) affects 2–5% of all children and is associated with cognitive and behavioral deficits, resulting in poor school performance. These psychological deficits may arise from brain injury, as seen in preliminary findings of lower gray matter volume among pediatric OSA patients. However, the psychological deficits in OSA are closely related to functions in the cortex, and such brain areas have not been specifically assessed. The objective was to determine whether cortical thickness, a marker of possible brain injury, is altered in children with OSA. Methods We examined regional brain cortical thicknesses using high-resolution T1-weighted magnetic resonance images in 16 pediatric OSA patients (8 males; mean age ± SD = 8.4 ± 1.2 years; mean apnea/hypopnea index ± SD = 11 ± 6 events/h) and 138 controls (8.3 ± 1.1 years; 62 male; 138 subjects from the NIH Pediatric MRI database) to identify cortical thickness differences in pediatric OSA subjects. Results Cortical thinning occurred in multiple regions including the superior frontal, ventral medial prefrontal, and superior parietal cortices. The left side showed greater thinning in the superior frontal cortex. Cortical thickening was observed in bilateral precentral gyrus, mid-to-posterior insular cortices, and left central gyrus, as well as right anterior insula cortex. Conclusion Changes in cortical thickness are present in children with OSA and likely indicate disruption to neural developmental processes, including maturational patterns of cortical volume increases and synaptic pruning. Regions with thicker cortices may reflect inflammation or astrocyte activation. Both the thinning and thickening associated with OSA in children may contribute to the cognitive and behavioral dysfunction frequently found in the condition.
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Affiliation(s)
- Paul M Macey
- School of Nursing, University of California, Los Angeles, CA, United States.,Brain Research Institute, University of California, Los Angeles, CA, United States
| | - Leila Kheirandish-Gozal
- Department of Pediatrics, Section of Pediatric Sleep Medicine, Pritzker School of Medicine, Biological Sciences Division, The University of Chicago, Chicago, IL, United States
| | - Janani P Prasad
- School of Nursing, University of California, Los Angeles, CA, United States
| | - Richard A Ma
- School of Nursing, University of California, Los Angeles, CA, United States
| | - Rajesh Kumar
- Brain Research Institute, University of California, Los Angeles, CA, United States.,Department of Anesthesiology, University of California, Los Angeles, CA, United States.,Department of Radiological Sciences, David Geffen School of Medicine at UCLA, University of California, Los Angeles, CA, United States
| | - Mona F Philby
- Department of Pediatrics, Section of Pediatric Sleep Medicine, Pritzker School of Medicine, Biological Sciences Division, The University of Chicago, Chicago, IL, United States
| | - David Gozal
- Department of Pediatrics, Section of Pediatric Sleep Medicine, Pritzker School of Medicine, Biological Sciences Division, The University of Chicago, Chicago, IL, United States
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20
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Ahuja S, Chen RK, Kam K, Pettibone WD, Osorio RS, Varga AW. Role of normal sleep and sleep apnea in human memory processing. Nat Sci Sleep 2018; 10:255-269. [PMID: 30214331 PMCID: PMC6128282 DOI: 10.2147/nss.s125299] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
A fundamental problem in the field of obstructive sleep apnea (OSA) and memory is that it has historically minimized the basic neurobiology of sleep's role in memory. Memory formation has been classically divided into phases of encoding, processing/consolidation, and retrieval. An abundance of evidence suggests that sleep plays a critical role specifically in the processing/consolidation phase, but may do so differentially for memories that were encoded using particular brain circuits. In this review, we discuss some of the more established evidence for sleep's function in the processing of declarative, spatial navigational, emotional, and motor/procedural memories and more emerging evidence highlighting sleep's importance in higher order functions such as probabilistic learning, transitive inference, and category/gist learning. Furthermore, we discuss sleep's capacity for memory augmentation through targeted/cued memory reactivation. OSA - by virtue of its associated sleep fragmentation, intermittent hypoxia, and potential brain structural effects - is well positioned to specifically impact the processing/consolidation phase, but testing this possibility requires experimental paradigms in which memory encoding and retrieval are separated by a period of sleep with and without the presence of OSA. We argue that such paradigms should focus on the specific types of memory tasks for which sleep has been shown to have a significant effect. We discuss the small number of studies in which this has been done, in which OSA nearly uniformly negatively impacts offline memory processing. When periods of offline processing are minimal or absent and do not contain sleep, as is the case in the broad literature on OSA and memory, the effects of OSA on memory are far less consistent.
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Affiliation(s)
- Shilpi Ahuja
- Mount Sinai Integrative Sleep Center, Division of Pulmonary, Critical Care, and Sleep Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA,
| | - Rebecca K Chen
- Mount Sinai Integrative Sleep Center, Division of Pulmonary, Critical Care, and Sleep Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA,
| | - Korey Kam
- Mount Sinai Integrative Sleep Center, Division of Pulmonary, Critical Care, and Sleep Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA,
| | - Ward D Pettibone
- Mount Sinai Integrative Sleep Center, Division of Pulmonary, Critical Care, and Sleep Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA,
| | - Ricardo S Osorio
- Center for Brain Health, Department of Psychiatry, NYU School of Medicine, New York, NY, USA
| | - Andrew W Varga
- Mount Sinai Integrative Sleep Center, Division of Pulmonary, Critical Care, and Sleep Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA,
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Frye SS, Fernandez-Mendoza J, Calhoun SL, Gaines J, Sawyer MD, He F, Liao D, Vgontzas AN, Bixler EO. Neurocognitive and behavioral functioning in adolescents with sleep-disordered breathing: a population-based, dual-energy X-ray absorptiometry study. Int J Obes (Lond) 2018; 42:95-101. [PMID: 28924264 PMCID: PMC5762265 DOI: 10.1038/ijo.2017.229] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Revised: 08/11/2017] [Accepted: 08/27/2017] [Indexed: 12/11/2022]
Abstract
BACKGROUND/OBJECTIVES Sleep-disordered breathing (SDB) has been associated with neurocognitive and behavioral problems in young children; however, this association is less studied in adolescents. Evidence suggests that obesity plays a key role in the development of SDB, although its relative association with neurobehavioral functioning remains unclear. We examined whether SDB and obesity are associated with neurocognitive and behavioral problems in adolescents. SUBJECTS/METHODS A total of 421 adolescents (17.0±2.2y, 53.9% male) from the Penn State Child Cohort, a general population sample, underwent a 9-h polysomnography, clinical history, physical examination, neurocognitive evaluation and Dual-energy X-ray Absorptiometry (DXA) scan, and completed the Child or Adult Behavior Checklist. Obstructive sleep apnea (OSA) was defined as an apnea-hypopnea index (AHI)⩾2, primary snoring (PS) as AHI<2+snoring and no-SDB as AHI<2 without snoring. Body weight measures included body mass index (BMI) percentile, waist circumference (WC) and DXA-measured total adipose tissue (TAT). RESULTS WC and TAT were significantly associated with impaired vigilance, processing speed, working memory, and control interference and greater internalizing and externalizing behaviors, while BMI percentile was marginally associated. SDB per se (PS, AHI or OSA) was not significantly associated with impaired neurocognitive outcomes or greater behavioral problems. However, TAT was significantly associated with impaired vigilance and greater internalizing and externalizing behaviors and, to a lesser extent, slower processing speed and greater control interference, only in adolescents with OSA. CONCLUSIONS Central obesity, an etiopathogenic mechanism of OSA, is more strongly associated with neurocognitive and behavioral problems in adolescents than SDB alone. Deficits in low-order (vigilance) and high-order (executive) functions and behavioral problems observed in adolescents with OSA are primarily associated with increased central adiposity, a finding not entirely captured with less precise measures of obesity. These data support that OSA and its associated neurocognitive and behavioral morbidity are related to underlying metabolic dysfunction as early as adolescence.
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Affiliation(s)
- Sara S. Frye
- Sleep Research & Treatment Center, Penn State Milton S. Hershey Medical Center, Pennsylvania State University, College of Medicine, Hershey, PA
| | - Julio Fernandez-Mendoza
- Sleep Research & Treatment Center, Penn State Milton S. Hershey Medical Center, Pennsylvania State University, College of Medicine, Hershey, PA
| | - Susan L. Calhoun
- Sleep Research & Treatment Center, Penn State Milton S. Hershey Medical Center, Pennsylvania State University, College of Medicine, Hershey, PA
| | - Jordan Gaines
- Sleep Research & Treatment Center, Penn State Milton S. Hershey Medical Center, Pennsylvania State University, College of Medicine, Hershey, PA
| | - Marjorie D. Sawyer
- Public Health Sciences, Pennsylvania State University, College of Medicine, Hershey, PA
| | - Fan He
- Public Health Sciences, Pennsylvania State University, College of Medicine, Hershey, PA
| | - Duanping Liao
- Public Health Sciences, Pennsylvania State University, College of Medicine, Hershey, PA
| | - Alexandros N. Vgontzas
- Sleep Research & Treatment Center, Penn State Milton S. Hershey Medical Center, Pennsylvania State University, College of Medicine, Hershey, PA
| | - Edward O. Bixler
- Sleep Research & Treatment Center, Penn State Milton S. Hershey Medical Center, Pennsylvania State University, College of Medicine, Hershey, PA
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Maski K, Steinhart E, Holbrook H, Katz ES, Kapur K, Stickgold R. Impaired memory consolidation in children with obstructive sleep disordered breathing. PLoS One 2017; 12:e0186915. [PMID: 29095855 PMCID: PMC5667754 DOI: 10.1371/journal.pone.0186915] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Accepted: 10/10/2017] [Indexed: 11/19/2022] Open
Abstract
Memory consolidation is stabilized and even enhanced by sleep (and particularly by 12-15 Hz sleep spindles in NREM stage 2 sleep) in healthy children but it is unclear what happens to these processes when sleep is disturbed by obstructive sleep disordered breathing. This cross-sectional study investigates differences in declarative memory consolidation among children with primary snoring (PS) and obstructive sleep apnea (OSA) compared to controls. We further investigate whether memory consolidation group differences are associated with NREM stage 2 (N2) sigma (12-15 Hz) or NREM slow oscillation (0.5-1 Hz) spectral power bands. In this study, we trained and tested participants on a spatial declarative memory task with cued recall. Retest occurred after a period of daytime wake (Wake) or a night of sleep (Sleep) with in-lab polysomnography. 36 participants ages 5-9 years completed the protocol: 14 with OSA as defined by respiratory disturbance index (RDI) > 1/hour, 12 with primary snoring (PS) and 10 controls. OSA participants had poorer overall memory consolidation than controls across Wake and Sleep conditions [OSA: mean = -18.7% (5.8), controls: mean = 1.9% (7.2), t = -2.20, P = 0.04]. In contrast, PS participants and controls had comparable memory consolidation across conditions (t = 0.41; P = 0.38). We did not detect a main effect for condition (Sleep, Wake) or group x condition interaction on memory consolidation. OSA participants had lower N2 sigma power than PS (P = 0.03) and controls (P = 0.004) and N2 sigma power inversely correlated with percentage of time snoring on the study night (r = -0.33, P<0.05). Across all participants, N2 sigma power modestly correlated with memory consolidation in both Sleep (r = 0.37, P = 0.03) and Wake conditions (r = 0.44, P = 0.009). Further observed variable path analysis showed that N2 sigma power mediated the relationship between group and mean memory consolidation across Sleep and Wake states [Bindirect = 6.76(3.5), z = 2.03, P = 0.04]. NREM slow oscillation power did not correlate with memory consolidation. All results retained significance after controlling for age and BMI. In sum, participants with mild OSA had impaired memory consolidation and results were mediated by N2 sigma power. These results suggest that N2 sigma power could serve as biomarker of risk for cognitive dysfunction in children with sleep disordered breathing.
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Affiliation(s)
- Kiran Maski
- Department of Neurology, Boston Children’s Hospital, Boston, Massachusetts, United States of America
- * E-mail:
| | - Erin Steinhart
- Department of Neurology, Boston Children’s Hospital, Boston, Massachusetts, United States of America
| | - Hannah Holbrook
- Department of Psychology, University of Vermont, Burlington, Vermont, United States of America
| | - Eliot S. Katz
- Division of Respiratory Diseases, Boston Children’s Hospital, Boston, Massachusetts, United States of America
| | - Kush Kapur
- Department of Neurology, Boston Children’s Hospital, Boston, Massachusetts, United States of America
| | - Robert Stickgold
- Department of Psychiatry, Beth Israel Deaconess Medical Center, Boston, Massachusetts, United States of America
- Department of Psychiatry, Harvard Medical School, Boston, Massachusetts, United States of America
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23
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Cellini N. Memory consolidation in sleep disorders. Sleep Med Rev 2017; 35:101-112. [DOI: 10.1016/j.smrv.2016.09.003] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Revised: 09/18/2016] [Accepted: 09/19/2016] [Indexed: 10/20/2022]
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Hunter SJ, Gozal D, Smith DL, Philby MF, Kaylegian J, Kheirandish-Gozal L. Effect of Sleep-disordered Breathing Severity on Cognitive Performance Measures in a Large Community Cohort of Young School-aged Children. Am J Respir Crit Care Med 2017; 194:739-47. [PMID: 26930303 DOI: 10.1164/rccm.201510-2099oc] [Citation(s) in RCA: 154] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
RATIONALE Sleep-disordered breathing (SDB) in children is associated with cognitive challenges. However, potential associations between SDB severity and neurocognitive function, as well as the presence of an SDB cutoff, have not been fully explored. OBJECTIVES To determine whether SDB-associated adverse changes in neurocognitive functioning are severity dependent. METHODS A total of 1,010 snoring and nonsnoring children ages 5-7 years were prospectively recruited from public schools and underwent polysomnography and neurocognitive assessments of intellectual, attention, memory, language, and executive function development. The children were subdivided into four severity groups on the basis of apnea-hypopnea index (AHI), followed by comparisons of cognitive function, with a particular focus on standardized subtests of intellectual, language, attention, memory, and executive function. MEASUREMENT AND MAIN RESULTS Differential Ability Scales Verbal (P < 0.001) and Nonverbal (P = 0.002) performance, as well as global conceptual ability (IQ) (P < 0.001) scores, differed significantly across the groups, with individuals with higher AHI showing worse performance. Additionally, specific NEPSY (a Developmental Neuropsychological Assessment) subscores focused on attention and executive skills differed across the groups, indicating differences in levels of engagement and problem solving. Children with higher AHI (>5 per hour of total sleep time) were significantly more impaired than all three lower AHI groups, indicating a dose-response impact of SDB. CONCLUSIONS This large community-based sample of children highlights the significant deleterious impact of SDB, particularly in children with moderate to severe obstructive sleep apnea, and also that even snoring alone affects neurocognitive function. By affecting developing capabilities, as illustrated by cognitive measures in a severity-graded manner, SDB could adversely impact children's capacity to attain academic and adaptive goals, ultimately hampering their ability to reach independence. Our findings support the need for increased awareness of SDB, with particular emphasis on children with more severe obstructive sleep apnea.
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Affiliation(s)
- Scott J Hunter
- 1 Department of Pediatrics and.,2 Department of Psychiatry and Behavioral Neuroscience, Pritzker School of Medicine, Biological Sciences Division, and
| | | | - Dale L Smith
- 4 Department of Public Health Sciences, The University of Chicago, Chicago, Illinois; and.,3 Olivet Nazarene University, Bourbonnais, Illinois
| | | | - Jaeson Kaylegian
- 2 Department of Psychiatry and Behavioral Neuroscience, Pritzker School of Medicine, Biological Sciences Division, and
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Stehling F, Keull J, Olivier M, Große-Onnebrink J, Mellies U, Stuck BA. Validation of the screening tool ApneaLink ® in comparison to polysomnography for the diagnosis of sleep-disordered breathing in children and adolescents. Sleep Med 2017; 37:13-18. [PMID: 28899523 DOI: 10.1016/j.sleep.2017.05.018] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 05/06/2017] [Accepted: 05/30/2017] [Indexed: 01/01/2023]
Abstract
OBJECTIVE While out-of-center testing was introduced as an alternative for the diagnosis of obstructive sleep apnea in adults, polysomnography (PSG) is still considered mandatory in the diagnosis of sleep-disordered breathing (SDB) in children. The purpose of this study was to validate the outpatient screening device ApneaLink® in comparison to PSG in children and adolescents for the diagnosis of SDB. METHODS Sixty consecutive children and adolescents (10.4 ± 6.2, 0-22 years) with suspected SDB admitted to the sleep laboratory underwent simultaneous recording with full PSG and the screening device ApneaLink® based on flow measurement and oxygen saturation. RESULTS The mean apnea-hypopnea index (AHI) was 11.8 ± 19.7 in PSG and 10.3 ± 12.0 in ApneaLink®. When the AHI threshold was set to 5/h to diagnose SDB, the overall sensitivity for ApneaLink® was 79% and the specificity was 63%. After reducing the AHI threshold to 1/h, the sensitivity and specificity were 94% and 29%. In children older than 10 years, the performance of ApneaLink® improved (AHI 5/h: sensitivity 80%, specificity 64%; AHI 1/h: sensitivity 100%, specificity 50%). CONCLUSION These results show that the outpatient screening device ApneaLink® reliably identifies SDB in preselected children older than 10 years. In contrast, it may not be used for the exclusion of SDB.
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Affiliation(s)
- Florian Stehling
- Pediatric Pulmonology and Sleep Medicine, Children's Hospital, University of Duisburg-Essen, Essen, Germany.
| | - Judith Keull
- Pediatric Pulmonology and Sleep Medicine, Children's Hospital, University of Duisburg-Essen, Essen, Germany
| | - Margarete Olivier
- Pediatric Pulmonology and Sleep Medicine, Children's Hospital, University of Duisburg-Essen, Essen, Germany
| | - Jörg Große-Onnebrink
- Department of General Pediatrics, Pediatric Respiratory Medicine Unit, University Children's Hospital Muenster, Muenster, Germany
| | - Uwe Mellies
- Pediatric Pulmonology and Sleep Medicine, Children's Hospital, University of Duisburg-Essen, Essen, Germany
| | - Boris A Stuck
- Department of Otorhinolaryngology, Head and Neck Surgery, Essen University Hospital, University Duisburg-Essen, Essen, Germany; Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Marburg, Philipps Universität Marburg, Germany
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Smith DL, Gozal D, Hunter SJ, Kheirandish-Gozal L. Frequency of snoring, rather than apnea-hypopnea index, predicts both cognitive and behavioral problems in young children. Sleep Med 2017; 34:170-178. [PMID: 28522088 PMCID: PMC5532874 DOI: 10.1016/j.sleep.2017.02.028] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Revised: 01/31/2017] [Accepted: 02/01/2017] [Indexed: 10/19/2022]
Abstract
OBJECTIVE Primary snoring (PS) and obstructive sleep apnea (OSA) not only affect the quality of sleep in a large number of young children, but have also been repeatedly associated with a variety of behavioral and cognitive problems. However, little is known about the potentially differing relationships of behavioral and cognitive pathology within the sleep disordered breathing (SDB) spectrum. METHOD This study examined data from an enriched for snoring community sample of 631 children aged between 4 and 10 years. Multivariate mixed models were used to assess the relationship between both snoring and the apnea-hypopnea index (AHI). Numerous cognitive and behavioral variables were used, while adjusting for several important demographic variables. These were followed by univariate analyses of individual measures and sensitivity analyses. RESULTS Results indicated that snoring status is a significant predictor of general behavioral (p = 0.008) and cognitive (p = 0.013) domains, even after adjusting for baseline covariates and AHI severity. More frequent snoring was associated with poorer outcomes independent of AHI. However, AHI did not emerge as a significant predictor of the overall cognitive functioning domain (p = 0.377). Additionally, although AHI was a significant predictor of the general behavioral functioning domain (p = 0.008), the significance pattern and nature of its relationship with individual behavioral measures were inconsistent in post-hoc analyses. CONCLUSION The findings of this study suggest that general behavioral and cognitive function may decline with greater snoring severity. Further, snoring should not simply be assumed to represent a lower severity level of SDB, but should be examined as a potential predictor of relevant outcomes.
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Affiliation(s)
- Dale L Smith
- Department of Public Health Sciences, The University of Chicago, Chicago, IL, USA; Department of Psychology, Olivet Nazarene University, Bourbonnais, IL, USA.
| | - David Gozal
- Department of Pediatrics, The University of Chicago, Chicago, IL, USA
| | - Scott J Hunter
- Department of Pediatrics, The University of Chicago, Chicago, IL, USA; Department of Psychiatry and Behavioral Neuroscience, Pritzker School of Medicine, Biological Sciences Division, The University of Chicago, Chicago, IL, USA
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Reduced Regional Grey Matter Volumes in Pediatric Obstructive Sleep Apnea. Sci Rep 2017; 7:44566. [PMID: 28303917 PMCID: PMC5355989 DOI: 10.1038/srep44566] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Accepted: 02/07/2017] [Indexed: 12/31/2022] Open
Abstract
Pediatric OSA is associated with cognitive risk. Since adult OSA manifests MRI evidence of brain injury, and animal models lead to regional neuronal losses, pediatric OSA patients may also be affected. We assessed the presence of neuronal injury, measured as regional grey matter volume, in 16 OSA children (8 male, 8.1 ± 2.2 years, AHI:11.1 ± 5.9 events/hr), and 200 control subjects (84 male, 8.2 ± 2.0 years), 191 of whom were from the NIH-Pediatric MRI database. High resolution T1-weighted whole-brain images were assessed between groups with voxel-based morphometry, using ANCOVA (covariates, age and gender; family-wise error correction, P < 0.01). Significant grey matter volume reductions appeared in OSA throughout areas of the superior frontal and prefrontal, and superior and lateral parietal cortices. Other affected sites included the brainstem, ventral medial prefrontal cortex, and superior temporal lobe, mostly on the left side. Thus, pediatric OSA subjects show extensive regionally-demarcated grey matter volume reductions in areas that control cognition and mood functions, even if such losses are apparently independent of cognitive deficits. Since OSA disease duration in our subjects is unknown, these findings may result from either delayed neuronal development, neuronal damaging processes, or a combination thereof, and could either reflect neuronal atrophy or reductions in cellular volume (neurons and glia).
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Abstract
Obstructive sleep apnoea (OSA) is one of the most common causes of sleep-disordered breathing (SDB) in children. It is associated with significant morbidity, potentially impacting on long-term neurocognitive and behavioural development, as well as cardiovascular outcomes and metabolic homeostasis. The low grade systemic inflammation and increased oxidative stress seen in this condition are believed to underpin the development of these OSA-related morbidities. The significant variance in degree of end organ morbidity in patients with the same severity of OSA highlights the importance of the interplay of genetic and environmental factors in determining the overall OSA phenotype. This review seeks to summarize the current understanding of the aetiology and mechanisms underlying OSA, its risk factors, diagnosis and treatment.
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Affiliation(s)
- Eleonora Dehlink
- 1 Department of Pediatric Respiratory Medicine, Royal Brompton Hospital, London, UK ; 2 National Heart and Lung Institute, Imperial College, London, UK
| | - Hui-Leng Tan
- 1 Department of Pediatric Respiratory Medicine, Royal Brompton Hospital, London, UK ; 2 National Heart and Lung Institute, Imperial College, London, UK
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Csábi E, Benedek P, Janacsek K, Zavecz Z, Katona G, Nemeth D. Declarative and Non-declarative Memory Consolidation in Children with Sleep Disorder. Front Hum Neurosci 2016; 9:709. [PMID: 26793090 PMCID: PMC4707283 DOI: 10.3389/fnhum.2015.00709] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Accepted: 12/18/2015] [Indexed: 12/20/2022] Open
Abstract
Healthy sleep is essential in children’s cognitive, behavioral, and emotional development. However, remarkably little is known about the influence of sleep disorders on different memory processes in childhood. Such data could give us a deeper insight into the effect of sleep on the developing brain and memory functions and how the relationship between sleep and memory changes from childhood to adulthood. In the present study we examined the effect of sleep disorder on declarative and non-declarative memory consolidation by testing children with sleep-disordered breathing (SDB) which is characterized by disrupted sleep structure. We used a story recall task to measure declarative memory and Alternating Serial Reaction time (ASRT) task to assess non-declarative memory. This task enables us to measure two aspects of non-declarative memory, namely general motor skill learning and sequence-specific learning. There were two sessions: a learning phase and a testing phase, separated by a 12 h offline period with sleep. Our data showed that children with SDB exhibited a generally lower declarative memory performance both in the learning and testing phase; however, both the SDB and control groups exhibited retention of the previously recalled items after the offline period. Here we showed intact non-declarative consolidation in SDB group in both sequence-specific and general motor skill. These findings suggest that sleep disorders in childhood have a differential effect on different memory processes (online vs. offline) and give us insight into how sleep disturbances affects developing brain.
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Affiliation(s)
- Eszter Csábi
- Institute of Psychology, University of Szeged Szeged, Hungary
| | | | - Karolina Janacsek
- MTA-ELTE NAP B Brain, Memory and Language Research Group, Institute of Cognitive Neuroscience and Psychology, Research Centre for Natural Sciences, Hungarian Academy of SciencesBudapest, Hungary; Institute of Psychology, Eotvos Lorand UniversityBudapest, Hungary
| | - Zsófia Zavecz
- Institute of Psychology, Eotvos Lorand University Budapest, Hungary
| | | | - Dezso Nemeth
- MTA-ELTE NAP B Brain, Memory and Language Research Group, Institute of Cognitive Neuroscience and Psychology, Research Centre for Natural Sciences, Hungarian Academy of SciencesBudapest, Hungary; Institute of Psychology, Eotvos Lorand UniversityBudapest, Hungary
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O’Brien LM. Sleep-Related Breathing Disorder, Cognitive Functioning, and Behavioral-Psychiatric Syndromes in Children. Sleep Med Clin 2015; 10:169-79. [DOI: 10.1016/j.jsmc.2015.02.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Austeng ME, Øverland B, Kværner KJ, Andersson EM, Axelsson S, Abdelnoor M, Akre H. Obstructive sleep apnea in younger school children with Down syndrome. Int J Pediatr Otorhinolaryngol 2014; 78:1026-9. [PMID: 24809771 DOI: 10.1016/j.ijporl.2014.03.030] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Revised: 03/27/2014] [Accepted: 03/29/2014] [Indexed: 10/25/2022]
Abstract
OBJECTIVE We aimed to assess the prevalence of obstructive sleep apnea (OSA) in 8 year old school children with Down syndrome (DS). While the prevalence in otherwise healthy children is below 5%, the prevalence estimates in children with DS are uncertain (30-80%). OSA directly affects cognitive development and school performance. STUDY DESIGN Population based cross sectional study in a limited geographical area. METHODS Polysomnography (PSG) with video and audio recordings was performed in 8-year-old children with DS in a pediatric sleep unit according to the guidelines of American Academy of Sleep Medicine. Twenty-nine of all 32 children with DS within a restricted area comprising >50% of the Norwegian population and 54% of the children with DS born in Norway in 2002 were enrolled. RESULTS This study reports an apnea hypopnea index AHI>1.5 in 28 of 29 children and an obstructive apnea index (OAI)>1 in 24 of 29 children. 19 children (66%) had an AHI>5 and 17 children (59%) had an OAI>5 which indicated moderate to severe OSA. No correlation was found between OSA and obesity or gender. CONCLUSION The high prevalence of disease found in these previously undiagnosed 8-year-old children underlines the importance of performing OSA diagnostics in children with DS throughout childhood. These findings suggest that the prevalence of OSA remains high up to early school years. In contrast to earlier publications, this current study has the advantage of being population based, the study is performed on children of a narrow age band to estimate prevalence of disease and the diagnostic gold standard of PSG is applied.
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Affiliation(s)
- Marit Erna Austeng
- Østfold Hospital Trust, Department of Otorhinolaryngology, Head and Neck Surgery, Norway; Department of Health Economics and Health Management, University of Oslo, Norway.
| | - Britt Øverland
- Sleep Unit, Department of Otorhinolaryngology/Head and Neck Surgery, Lovisenberg Diakonale Hospital, Norway
| | - Kari Jorunn Kværner
- Department of Health Economics and Health Management, University of Oslo, Norway; Research, Innovation and Education Unit, Oslo University Hospital, Norway
| | - Els-Marie Andersson
- TAKO-Centre, Resource Centre for Oral Health in Rare Medical Conditions, Lovisenberg Diakonale Hospital, Norway
| | - Stefan Axelsson
- TAKO-Centre, Resource Centre for Oral Health in Rare Medical Conditions, Lovisenberg Diakonale Hospital, Norway
| | - Michael Abdelnoor
- Centre of Clinical Research, Unit of Biostatistics and Epidemiology, Oslo University Hospital, Norway
| | - Harriet Akre
- Sleep Unit, Department of Otorhinolaryngology/Head and Neck Surgery, Lovisenberg Diakonale Hospital, Norway
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Zhang SXL, Wang Y, Gozal D. Pathological consequences of intermittent hypoxia in the central nervous system. Compr Physiol 2013; 2:1767-77. [PMID: 23723023 DOI: 10.1002/cphy.c100060] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Intermittent hypoxia (IH) is a frequent occurrence in clinical settings. In the last decades, evidence has emerged implicating the gas exchange alterations and sleep disruption associated with those disorders in the high prevalence of cognitive and behavioral deficits afflicting these patients. In an effort to better characterize the role of IH, and to identify potential mechanisms of IH-induced central nervous system (CNS) dysfunction, a large number of rodent models have been recently developed. The cumulative evidence confirms that IH indeed induces a heterotopic pattern of injury in the brain, particularly affecting cortical, subcortical, and hippocampal regions, ultimately leading to neuronal apoptosis and activation of microglia. These IH-induced deleterious processes exhibit substantial variability across the lifespan, are under substantial modulatory influences of diet, physical or intellectual activity, and genetic factors, and preferentially recruit oxidative stress and inflammatory pathways.
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Affiliation(s)
- Shelley X L Zhang
- Department of Pediatrics, University of Chicago, Chicago, Illinois, USA
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Abstract
Obstructive sleep apnea (OSA) in children is a highly prevalent disorder caused by a conglomeration of complex pathophysiological processes, leading to recurrent upper airway dysfunction during sleep. The clinical relevance of OSA resides in its association with significant morbidities that affect the cardiovascular, neurocognitive, and metabolic systems. The American Academy of Pediatrics recently reiterated its recommendations that children with symptoms and signs suggestive of OSA should be investigated with polysomnography (PSG), and treated accordingly. However, treatment decisions should not only be guided by PSG results, but should also integrate the magnitude of symptoms and the presence or absence of risk factors and signs of OSA morbidity. The first-line therapy in children with adenotonsillar hypertrophy is adenotonsillectomy, although there is increasing evidence that medical therapy, in the form of intranasal steroids or montelukast, may be considered in mild OSA. In this review, we delineate the major concepts regarding the pathophysiology of OSA, its morbidity, diagnosis, and treatment.
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Affiliation(s)
- Hui-Leng Tan
- Sections of Pediatric Sleep Medicine and Pediatric Pulmonology, Department of Pediatrics, Comer Children’s Hospital, Pritzker School of Medicine, The University of Chicago, Chicago, IL, USA
- Department of Paediatric Respiratory Medicine, Royal Brompton Hospital, London, UK
| | - David Gozal
- Sections of Pediatric Sleep Medicine and Pediatric Pulmonology, Department of Pediatrics, Comer Children’s Hospital, Pritzker School of Medicine, The University of Chicago, Chicago, IL, USA
| | - Leila Kheirandish-Gozal
- Sections of Pediatric Sleep Medicine and Pediatric Pulmonology, Department of Pediatrics, Comer Children’s Hospital, Pritzker School of Medicine, The University of Chicago, Chicago, IL, USA
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Urbain C, Galer S, Van Bogaert P, Peigneux P. Pathophysiology of sleep-dependent memory consolidation processes in children. Int J Psychophysiol 2013; 89:273-83. [DOI: 10.1016/j.ijpsycho.2013.06.022] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2013] [Revised: 06/13/2013] [Accepted: 06/17/2013] [Indexed: 11/30/2022]
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Csábi E, Benedek P, Janacsek K, Katona G, Nemeth D. Sleep disorder in childhood impairs declarative but not nondeclarative forms of learning. J Clin Exp Neuropsychol 2013; 35:677-85. [PMID: 23848557 DOI: 10.1080/13803395.2013.815693] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
A large amount of studies have investigated the association between sleep and memory systems. However, remarkably little is known of the effect of sleep disorders on declarative and nondeclarative memory for children. In the present study we examined the effects of sleep disorders on different aspects of memory functions by testing children with sleep-disordered breathing (SDB), which is characterized by disrupted sleep patterns. We used "The War of the Ghosts" test to measure declarative memory and the Alternating Serial Reaction Time (ASRT) task. This enabled us to measure two aspects of nondeclarative memory--general skill learning and sequence-specific learning--separately. Ten children with SDB and 10 healthy controls participated in this study. Our data showed dissociation between declarative and nondeclarative memory in children with SDB. They showed impaired declarative memory, while the sequence-specific and general skill learning was similar to that of healthy controls, in spite of sleep disruption. Our findings suggest that sleep-disordered breathing affects declarative and nondeclarative memory differently in children. Moreover, these findings imply that the disrupted sleep pattern influences the more attention-demanding and cortical structure-guided explicit processes, while the less attention-demanding implicit processes mediated by subcortical structures are preserved.
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Affiliation(s)
- Eszter Csábi
- a Institute of Psychology, University of Szeged , Szeged , Hungary
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Mirrakhimov AE, Yen T, Kwatra MM. Delirium after cardiac surgery: have we overlooked obstructive sleep apnea? Med Hypotheses 2013; 81:15-20. [PMID: 23618612 DOI: 10.1016/j.mehy.2013.03.033] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2013] [Revised: 03/22/2013] [Accepted: 03/26/2013] [Indexed: 11/26/2022]
Abstract
Obstructive sleep apnea is common in patients with cardiovascular disease. It is well known that cardiac surgery is a risk factor for delirium. Researchers have shown that obstructive sleep apnea is an independent risk factor for the occurrence of delirium. In this manuscript we speculate on how obstructive sleep apnea may increase the risk of delirium in patients with cardiac surgery. If this is found to be confirmed, we would have another target through which we can decrease the risk of delirium in this population.
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Affiliation(s)
- Aibek E Mirrakhimov
- Saint Joseph Hospital, Department of Internal Medicine, 2900 N. Lake Shore, Chicago, IL 60657, USA
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Obstructive sleep apnea and delirium: exploring possible mechanisms. Sleep Breath 2013; 18:19-29. [PMID: 23584846 DOI: 10.1007/s11325-013-0846-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2013] [Revised: 02/19/2013] [Accepted: 03/25/2013] [Indexed: 12/30/2022]
Abstract
INTRODUCTION Obstructive sleep apnea (OSA) is a medical disorder strongly associated with multiple comorbidities and postoperative complications. Current evidence suggests that OSA disturbs fundamental biochemical processes, leading to low-grade systemic inflammation and oxidative stress. Animal models have shown that OSA may lead to apoptosis of central neurons. In clinical studies, oxygen desaturation index and sleep fragmentation have been shown to be independently associated with cognitive dysfunction. Moreover, in several studies, patients with OSA were shown to have decreased brain activation in multiple brain areas. OSA AND DELIRIUM The possibility of an association between OSA and delirium has been highlighted in several case reports. The first prospective study of the possible link between apnea and delirium showed that the presence of OSA was independently associated with the occurrence of delirium after knee replacement surgery. CONCLUSIONS Therefore, we suggest that OSA should be considered as a risk factor for delirium, and clinicians should assess patients for OSA and related risk factors prior to surgery. However, further research is required to shed light on the mechanisms connecting these disorders and on whether the treatment of OSA affects the incidence of delirium.
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A bioreactor for subjecting cultured cells to fast-rate intermittent hypoxia. Respir Physiol Neurobiol 2012; 182:47-52. [DOI: 10.1016/j.resp.2012.01.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2011] [Revised: 12/30/2011] [Accepted: 01/02/2012] [Indexed: 01/02/2023]
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Miano S, Parisi P, Villa MP. The sleep phenotypes of attention deficit hyperactivity disorder: the role of arousal during sleep and implications for treatment. Med Hypotheses 2012; 79:147-53. [PMID: 22608760 DOI: 10.1016/j.mehy.2012.04.020] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2012] [Revised: 03/22/2012] [Accepted: 04/16/2012] [Indexed: 01/01/2023]
Abstract
About 25-50% of children and adolescents with attention-deficit hyperactivity disorder (ADHD) experience sleep problems. An appropriate assessment and treatment of such problems might improve the quality of life in such patients and reduce both the severity of ADHD and the impairment it causes. According to data in the literature and to the overall complexity of the interaction between ADHD and sleep, five sleep phenotypes may be identified in ADHD: (i) a sleep phenotype characterized mainly by a hypo-arousal state, resembling narcolepsy, which may be considered a "primary" form of ADHD (i.e. without the interference of other sleep disorders); (ii) a phenotype associated with delayed sleep onset latency and with a higher risk of bipolar disorder; (iii) a phenotype associated with sleep disordered breathing (SDB); (iv) another phenotype related to restless legs syndrome (RLS) and/or periodic limb movements; (v) lastly, a phenotype related to epilepsy/or EEG interictal discharges. Each sleep phenotype is characterized by peculiar sleep alterations expressed by either an increased or decreased level of arousal during sleep that have important treatment implications. Treatment with stimulants is recommended above all in the primary form of ADHD, whereas treatment of the main sleep disorders or of co-morbidities (i.e. bipolar disorders and epilepsy) is preferred in the other sleep phenotypes. All the sleep phenotypes, except the primary form of ADHD and those related to focal benign epilepsy or focal EEG discharges, are associated with an increased level of arousal during sleep. Recent studies have demonstrated that both an increase and a decrease in arousal are ascribable to executive dysfunctions controlled by prefrontal cortical regions (the main cortical areas implicated in the pathogenesis of ADHD), and that the arousal system, which may be hyperactivated or hypoactivated depending on the form of ADHD/sleep phenotype.
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Affiliation(s)
- Silvia Miano
- Neuroscience, Mental Health and Sense Organs Department, Chair of Pediatrics, Sleep Disorder Centre, La Sapienza University, II Faculty, Medicine, Rome, Italy.
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Neurobiology and Neuropathophysiology of Obstructive Sleep Apnea. Neuromolecular Med 2011; 14:168-79. [DOI: 10.1007/s12017-011-8165-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2011] [Accepted: 11/19/2011] [Indexed: 10/14/2022]
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Spruyt K, Gozal D. Sleep disturbances in children with attention-deficit/hyperactivity disorder. Expert Rev Neurother 2011; 11:565-77. [PMID: 21469929 DOI: 10.1586/ern.11.7] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In this article, we advocate the need for better understanding and treatment of children exhibiting inattentive, hyperactive, impulsive behaviors, by in-depth questioning on sleepiness, sleep-disordered breathing or problematic behaviors at bedtime, during the night and upon awakening, as well as night-to-night sleep duration variability. The relationships between sleep and attention-deficit/hyperactivity disorder (ADHD) are complex and are routinely overlooked by practitioners. Motricity and somnolence, the most consistent complaints and objectively measured sleep problems in children with ADHD, may develop as a consequence of multidirectional and multifactorial pathways. Therefore, subjectively perceived or reported restless sleep should be evaluated with specific attention to restless legs syndrome or periodic limb movement disorder, and awakenings should be queried with regard to parasomnias, dyssomnias and sleep-disordered breathing. Sleep hygiene logs detailing sleep onset and offset quantitatively, as well as qualitatively, are required. More studies in children with ADHD are needed to reveal the 24-h phenotype, or its sleep comorbidities.
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Affiliation(s)
- Karen Spruyt
- Department of Pediatrics, Comer Children's Hospital, Pritzker School of Medicine, The University of Chicago, Chicago, Illinois 60637, USA
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Malakasioti G, Gourgoulianis K, Chrousos G, Kaditis A. Interactions of obstructive sleep-disordered breathing with recurrent wheezing or asthma and their effects on sleep quality. Pediatr Pulmonol 2011; 46:1047-54. [PMID: 21809473 DOI: 10.1002/ppul.21497] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2011] [Revised: 06/05/2011] [Accepted: 06/06/2011] [Indexed: 11/09/2022]
Abstract
Snoring is the most characteristic symptom of obstructive sleep-disordered breathing (SDB) and recurrent wheezing is the most common clinical manifestation of asthma. The purpose of the present review is to outline the impact of SDB and recurrent wheezing/asthma on sleep quality and to summarize the epidemiologic and pathophysiologic evidence supporting an association between the two disorders. Enlarged tonsils and adenoid or obesity predispose to obstructive sleep apneas and hypopneas which are accompanied by arousals, restless sleep, and frequently daytime sleepiness, inattention, hyperactivity, and academic difficulties. Subjects with history of wheezing are also at risk for sleep disturbance and daytime cognitive dysfunction. Asthmatic children have more frequent snoring, apneas, and hypopneas during sleep than non-asthmatic subjects and tonsillar hypertrophy mediates at least in part this epidemiologic association. In addition, preliminary evidence indicates that treatment of sleep apnea with adenotonsillectomy results in improved control of coexisting asthma. Elevated concentrations of leukotrienes and oxidative stress markers have been detected in the exhaled breath condensate of children with asthma and probably contribute to bronchoconstriction. Moreover, sleep apneic children have increased expression of leukotrienes and leukotriene receptors in adenotonsillar tissue. Viral respiratory infections may induce inflammation and oxidative stress in the asthmatic airway enhancing not only bronchospasm, but also biosynthesis of leukotrienes within pharyngeal lymphoid tissues, which promote adenotonsillar enlargement and sleep apnea. In conclusion, taking under consideration the epidemiologic association between obstructive SDB and asthma, when one of the two disorders is diagnosed, the possibility of the other disease being present should be entertained. Pediatr. Pulmonol. 2011; 46:1047-1054. © 2011 Wiley Periodicals, Inc.
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Affiliation(s)
- Georgia Malakasioti
- Department of Pulmonology and Sleep Disorders Laboratory, University of Thessaly School of Medicine and Larissa University Hospital, Larissa, Greece
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Abstract
The clinical syndrome of obstructive sleep apnea (OSAS) in children is a distinct, yet somewhat overlapping disorder with the condition that occurs in adults, such that the clinical manifestations, polysomnographic findings, diagnostic criteria and treatment approaches need to be considered in an age-specific manner. Childhood OSAS has now become widely recognized as a frequent disorder and as a major public health problem. Pediatric OSAS, particularly when obesity is concurrently present, is associated with substantial end-organ morbidities and increased healthcare utilization. Although adenotonsillectomy (T&A) remains the first line of treatment, evidence in recent years suggests that the outcomes of this surgical procedure may not be as favorable as expected, such that post-T&A polysomnographic evaluation may be needed, especially in high-risk patient groups. In addition, incorporation of nonsurgical approaches for milder forms of the disorder and for residual OSAS after T&A is now being investigated.
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Affiliation(s)
- Riva Tauman
- Sleep Disorders Center, Dana Children's Hospital, Tel Aviv Medical Center, Tel Aviv University, Tel Aviv 64239, Israel.
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Beebe DW. A brief primer on sleep for pediatric and child clinical neuropsychologists. Child Neuropsychol 2011; 18:313-38. [PMID: 21954988 DOI: 10.1080/09297049.2011.602014] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Sleep problems are common in the children seen by pediatric and child clinical neuropsychologists, and these problems have the potential to significantly impact the child and his or her family. All are treatable to some degree, and some respond extremely well to existing treatments. This article provides a brief overview of the impact, nature, screening, and treatment for childhood sleep problems, with a particular emphasis on issues relevant to practicing neuropsychologists.
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Affiliation(s)
- Dean W Beebe
- Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA.
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Brand S, Kirov R. Sleep and its importance in adolescence and in common adolescent somatic and psychiatric conditions. Int J Gen Med 2011; 4:425-42. [PMID: 21731894 PMCID: PMC3119585 DOI: 10.2147/ijgm.s11557] [Citation(s) in RCA: 163] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2011] [Indexed: 02/05/2023] Open
Abstract
Restoring sleep is strongly associated with a better physical, cognitive, and psychological well-being. By contrast, poor or disordered sleep is related to impairment of cognitive and psychological functioning and worsened physical health. These associations are well documented not only in adults but also in children and adolescents. Importantly, adolescence is hallmarked by dramatic maturational changes in sleep and its neurobiological regulation, hormonal status, and many psychosocial and physical processes. Thus, the role of sleep in mental and physical health during adolescence and in adolescent patients is complex. However, it has so far received little attention. This review first presents contemporary views about the complex neurobiology of sleep and its functions with important implications for adolescence. Second, existing complex relationships between common adolescent somatic/organic, sleep-related, and psychiatric disorders and certain sleep alterations are discussed. It is concluded that poor or altered sleep in adolescent patients may trigger and maintain many psychiatric and physical disorders or combinations of these conditions, which presumably hinder recovery and may cross into later stages of life. Therefore, timely diagnosis and management of sleep problems appear critical for growth and development in adolescent patients.
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Affiliation(s)
- Serge Brand
- Depression and Sleep Research Unit, Psychiatric Hospital of the University of Basel, Basel, Switzerland
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Beebe DW. Cognitive, behavioral, and functional consequences of inadequate sleep in children and adolescents. Pediatr Clin North Am 2011; 58:649-65. [PMID: 21600347 PMCID: PMC3100528 DOI: 10.1016/j.pcl.2011.03.002] [Citation(s) in RCA: 402] [Impact Index Per Article: 30.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This article summarizes correlational, case-control, quasi-experimental, and experimental studies that have examined whether sleep during childhood and adolescence is related to daytime functioning. Published findings suggest that inadequate sleep quality and/or quantity can cause sleepiness, inattention and, very likely, other cognitive and behavioral deficits that significantly impact children and adolescents in functional settings. This article then integrates findings from longitudinal studies within a developmental psychopathology model. Important questions remain, but evidence supports the integration of sleep screening and interventions into routine clinical care and also supports advocacy for public policy changes to improve the sleep of children and adolescents.
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Affiliation(s)
- Dean W. Beebe
- Associate Professor of Pediatrics, University of Cincinnati College of Medicine, Cincinnati Ohio,Research Director, Neuropsychology Program, Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio,Corresponding author for proof and reprints: Dean Beebe, Ph.D., Division of Behavioral Medicine and Clinical Psychology (ML3015), Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, USA. Phone: 513-636-3489, Fax: 513-636-7756,
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Miano S, Paolino MC, Urbano A, Parisi P, Massolo AC, Castaldo R, Villa MP. Neurocognitive assessment and sleep analysis in children with sleep-disordered breathing. Clin Neurophysiol 2011; 122:311-9. [DOI: 10.1016/j.clinph.2010.06.019] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2010] [Revised: 06/16/2010] [Accepted: 06/24/2010] [Indexed: 10/19/2022]
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Non-invasive system for applying airway obstructions to model obstructive sleep apnea in mice. Respir Physiol Neurobiol 2010; 175:164-8. [PMID: 21070892 DOI: 10.1016/j.resp.2010.11.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2010] [Revised: 10/26/2010] [Accepted: 11/02/2010] [Indexed: 11/20/2022]
Abstract
Obstructive sleep apnea (OSA) is characterized by recurrent upper airway obstructions during sleep. The most common animal model of OSA is based on subjecting rodents to intermittent hypoxic exposures and does not mimic important OSA features, such as recurrent hypercapnia and increased inspiratory efforts. To circumvent some of these issues, a novel murine model involving non-invasive application of recurrent airway obstructions was developed. An electronically controlled airbag system is placed in front of the mouse's snout, whereby inflating the airbag leads to obstructed breathing and spontaneous breathing occurs with the airbag deflated. The device was tested on 29 anesthetized mice by measuring inspiratory effort and arterial oxygen saturation (SaO₂). Application of recurrent obstructive apneas (6 s each, 120/h) for 6h resulted in SaO₂ oscillations to values reaching 84.4 ± 2.5% nadir, with swings mimicking OSA patients. This novel system, capable of applying controlled recurrent airway obstructions in mice, is an easy-to-use tool for investigating pertinent aspects of OSA.
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Canet T. Sleep–wake habits in Spanish primary school children. Sleep Med 2010; 11:917-21. [PMID: 20813581 DOI: 10.1016/j.sleep.2010.07.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2009] [Revised: 07/06/2010] [Accepted: 07/10/2010] [Indexed: 10/19/2022]
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