Snoring, Intermittent Hypoxia and Academic Performance in Primary School Children

Urschitz, Michael S.; Guenther, Anke; Eggebrecht, Esther; Wolff, Judith; Urschitz-Duprat, Pilar M.; Schlaud, Martin; Poets, Christian F.

doi:10.1164/rccm.200212-1397oc

Cited by 208 publications

(172 citation statements)

References 32 publications

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“…Comparisons with the target population (n54,109) revealed good to excellent representativeness of the study sample concerning sex distribution, socioeconomic status, academic performance and doctor-diagnosed asthma [19]. Children were screened twice using a widely used and partially validated parental SDB-questionnaire (SDB-Q) [20][21][22][23][24] and nocturnal home pulse oximetry (HPO) [25][26][27].…”

Section: Methodsmentioning

confidence: 99%

“…Limitations Limitations of the current study have been discussed elsewhere [19,24]. Briefly, there might be a selection bias if subjects with symptoms were more likely to agree to participate.…”

Section: Sleep-related Disorders Ms Urschitz Et Almentioning

confidence: 98%

“…Hence, an objective, easily applicable, and lowcost screening test was considered mandatory. Secondly, we were also interested in intermittent hypoxia as an intervening factor in the relationship between SDB and several outcomes, such as impaired behaviour [43] and academic achievement [24]. Intermittent hypoxia is thought to cause prefrontal cortical dysfunction leading to impaired cognitive execution [44].…”

Section: Sleep-related Disorders Ms Urschitz Et Almentioning

confidence: 99%

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Population prevalence of obstructive sleep apnoea in a community of German third graders

Urschitz

Brockmann²,

Schlaud³

et al. 2010

Eur Respir J

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We aimed to estimate the population prevalence of obstructive sleep apnoea (OSA) in an urban community of German third graders (age range 7.3-12.4 yrs) and the diagnostic test accuracy of two OSA screening methods.Using a cross-sectional study design with a multi-stage sampling strategy, 27 out of 59 primary schools within the city limits of Hanover, Germany, were selected. 1,144 third graders were screened for symptoms and signs of OSA using questionnaires and nocturnal home pulse oximetry. 183 children underwent abbreviated nocturnal home polysomnography (OSA definition: apnoea/hypopnoea index o1) and 22 were diagnosed to suffer from OSA.In general, sensitivity for both screening methods was low (,0.6), while specificity was moderately high (mostly .0.7). Independent predictors for OSA were body mass index, history of allergy, a composite questionnaire score, and two oximetry-based criteria. Based on these variables and logistic regression, a prediction model (accuracy; 95% confidence interval: 0.86; 0.71-0.94) was constructed and applied to children who had not successfully undergone polysomnography. This resulted in nine additional OSA cases and an overall design-adjusted population prevalence (95% confidence interval) of 2.8% (1.5-4.1%).Clinical and oximetry findings may be helpful for screening and predicting OSA in primary school children.

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Section: Methodsmentioning

confidence: 99%

Section: Sleep-related Disorders Ms Urschitz Et Almentioning

confidence: 98%

Section: Sleep-related Disorders Ms Urschitz Et Almentioning

confidence: 99%

See 1 more Smart Citation

Population prevalence of obstructive sleep apnoea in a community of German third graders

Urschitz

Brockmann²,

Schlaud³

et al. 2010

Eur Respir J

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“…The aetiological causes, risk factors and course of sleep and behavioral disturbances in childhood are complex [4][5][6][7][8][9][10][11][12][13][14]. Moreover, prevalence of psychiatric behavioral disturbance increases up to 17% and 26% in school age [15].…”

Section: Introductionmentioning

confidence: 99%

Sleep problems, strengths and difficulties in elementary school children

Driouch¹,

Alfer²,

Fricke-Oerkermann³

et al. 2013

Health

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Aim: To assess behavioral and sleep disturbances in childhood, it is necessary to implement standardized brief questionnaires for children and their parents. Especially complaints of insomnia often are underdiagnosed in pediatric medicine. Methods: We developed a sleep questionnaire (KöSI-KJ) and used it together with German versions of the SDQ (parent and child reports) for epidemiologic studies in Cologne. The sleep questionnaire obtains 33 items for parents and 28 items for children. Ratings were dichotomized for this analysis in "sometimes/ often present" versus "not present". The German versions of SDQ contain 5 subscales each with 5 items. Data from a sample of 1490 children of fourth grade in elementary schools in Cologne (age ranged from 8 to 11 years) are shown. Results: Children indicate signs of sleep disturbances in higher frequency than their parents do. Concerning gender and ethnical group, there no significant differences can be shown. Children with signs of insomnia, dyssomnia, daytime sleepiness or restless sleep showed significantly higher scores for all relevant SDQ subscales in parental and childrens' reports. Children with signs of parasomnia showed higher scores concerning emotional problems and the SDQ total score. Children with enuresis showed higher scores for all SDQ subscales and the total score.

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“…OSA is associated with daytime sleepiness, poor academic performance, stroke, hypertension and ischemic heart disease (3,4).Furthermore, not only habitual snoring combined with OSA or upper airway resistance syndrome, but also habitual snoring alone appears to be linked with impaired daytime functioning in adults (5,6). Population based cohort studies revealed age, obesity, smoking, nasal (eg, septal deviation, rhinitis) and pharyngeal (eg, hypertrophy of tonsils, otitis) problems as independent risk factors for self reported habitual snoring (7,8).Professional wrestlers have some of risk factors for snoring including male gender, high body mass index (BMI) and large neck circumference.…”

Section: Introductionmentioning

confidence: 99%

The Association Between Snoring, Daytime Sleepiness and Obesity in Professional Wrestlers

et al. 2008

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Aim:To investigate the prevalence of snoring, excessive daytime sleepiness and other sleep symptoms in a group of professional wrestlers and to identify the risk factors of snoring in these subjects.Methods: A questionnaire was administered to 55 professional wrestlers and 44 age matched men. All subjects answered nine questions about their sleep and snoring habits and self-graded on a scale of 0 to 4. The questions were also related to demographic characteristics, Epworth sleepiness scale (ESS) and general medical history.Results: There were no significant differences in age, smoking and alcohol intake between wrestlers and control subjects. Obesity (p=0.004) was significantly more common and neck circumference (p=0.004) significantly higher in wrestlers than in control subjects. Bed time were significantly early (p=0.006), wake time significantly late (p=0.014), total sleep time significantly higher (p<0.001) in wrestlers when compared to control subjects. Habitual snoring rated was reported by 9.1% of wrestlers and by 6.8% of control subjects (p>0.05). The prevalence of excessive daytime sleepiness, witnessed apnea, morning headache, restless leg, insomnia, sleep talking, sleep walking and mean ESS were not significantly different in wrestlers when compared to control subjects.Conclusion: There were no significant differences with respect to habitual snoring, daytime sleepiness and ESS between wrestlers and control subjects. However, obesity and large neck circumference were much more common among wrestlers.

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Snoring, Intermittent Hypoxia and Academic Performance in Primary School Children

Cited by 208 publications

References 32 publications

Population prevalence of obstructive sleep apnoea in a community of German third graders

Population prevalence of obstructive sleep apnoea in a community of German third graders

Sleep problems, strengths and difficulties in elementary school children

The Association Between Snoring, Daytime Sleepiness and Obesity in Professional Wrestlers

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