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1.
Hautarzt ; 65(9): 814-22, 2014 Sep.
Article in German | MEDLINE | ID: mdl-25234631

ABSTRACT

BACKGROUND: The volume of search engine queries about disease-relevant items reflects public interest and correlates with disease prevalence as proven by the example of flu (influenza). Other influences include media attention or holidays. STUDY GOAL: The present work investigates if the seasonality of prevalence or symptom severity of dermatoses correlates with search engine query data. METHODS: The relative weekly volume of dermatological relevant search terms was assessed by the online tool Google Trends for the years 2009-2013. For each item, the degree of seasonality was calculated via frequency analysis and a geometric approach. RESULTS: Many dermatoses show a marked seasonality, reflected by search engine query volumes. Unexpected seasonal variations of these queries suggest a previously unknown variability of the respective disease prevalence. Furthermore, using the example of allergic rhinitis, a close correlation of search engine query data with actual pollen count can be demonstrated. DISCUSSION: In many cases, search engine query data are appropriate to estimate seasonal variability in prevalence of common dermatoses. This finding may be useful for real-time analysis and formation of hypotheses concerning pathogenetic or symptom aggravating mechanisms and may thus contribute to improvement of diagnostics and prevention of skin diseases.


Subject(s)
Data Mining/statistics & numerical data , Population Surveillance/methods , Search Engine/statistics & numerical data , Seasons , Skin Diseases/epidemiology , Female , Humans , Incidence , Male , Spatio-Temporal Analysis , Statistics as Topic
2.
Sleep Med ; 12(10): 981-7, 2011 Dec.
Article in English | MEDLINE | ID: mdl-22104543

ABSTRACT

OBJECTIVE: This study aimed to assess the influence of snoring and sleep duration on developmental outcomes in 6 month old infants. METHODS: As part of a longitudinal study of snoring in infancy, we identified 16 children (13 males) who commenced snoring shortly after birth and continued to snore frequently (≥ 3 nights/week) at 6 months of age and 88 healthy infant controls who were reported never to snore in the absence of a cold (36 males). Infants were assessed at 6 months of age with the Bayley Scales of Infant and Toddler Development Edition III, and parents completed demographic, sleep, and developmental surveys. RESULTS: Cognitive development was reduced in infants who snored frequently (mean=95.3; SD=4.3) from the first month of life compared to control infants (mean=100.6; SD=3.9) (F [1, 99]=23.8, p<.01; η(p)(2)=.21). CONCLUSION: Snoring during the first 6 months of life was associated with lower cognitive development scores. It is unknown whether these infants will continue to snore through childhood and, if so, whether the associated neurocognitive deficits will become worse with time.


Subject(s)
Child Development/physiology , Cognition/physiology , Developmental Disabilities/physiopathology , Sleep Apnea Syndromes/physiopathology , Snoring/physiopathology , Developmental Disabilities/epidemiology , Female , Follow-Up Studies , Humans , Infant , Infant, Newborn , Longitudinal Studies , Male , Sleep/physiology , Sleep Apnea Syndromes/epidemiology , Sleep Wake Disorders/epidemiology , Sleep Wake Disorders/physiopathology , Snoring/epidemiology
3.
Sleep Med ; 12(10): 975-80, 2011 Dec.
Article in English | MEDLINE | ID: mdl-21963361

ABSTRACT

OBJECTIVE: The aim of the present study was to evaluate the effect of persistent snoring in the first year of life on developmental outcomes. METHODS: As part of a longitudinal study of snoring and sleep in infancy, we identified 13 children (10 males) who commenced snoring shortly after birth and continued to snore frequently (≥ 3 nights/week) at 6 and 12 months of age and 78 controls (31 males) who were reported by parents to never snore in the absence of a cold. Infants were assessed with the Bayley Scales of Infant and Toddler Development Edition III and parents completed demographic and sleep questionnaires. RESULTS: Infants reported to snore frequently from the first month of life and who continued to snore frequently until 12 months of age had significantly lower cognitive development scores (mean=94.2; SD=3.9) compared to controls (mean=100.6; SD=3.7) (F (1, 96)=40 6, p<0.001; η(p)(2)=0.32). CONCLUSION: Persistent frequent snoring from the first month of life was associated with lower cognitive development scores at 12 months of age. It is possible that this deficit will become worse with age.


Subject(s)
Child Development/physiology , Cognition/physiology , Developmental Disabilities/physiopathology , Sleep Apnea Syndromes/physiopathology , Snoring/physiopathology , Developmental Disabilities/epidemiology , Female , Health Surveys , Humans , Infant , Infant, Newborn , Longitudinal Studies , Male , Parents , Sleep/physiology , Sleep Apnea Syndromes/epidemiology , Snoring/epidemiology , Surveys and Questionnaires
4.
Sleep Med ; 12(8): 787-92, 2011 Sep.
Article in English | MEDLINE | ID: mdl-21865083

ABSTRACT

INTRODUCTION: In children aged 3-12 years snoring is associated with significant neurocognitive and behavioural deficits; however, there are few studies that have considered both the prevalence of snoring in infants and associated factors that may influence the development of snoring. The goal of the present study was to examine sleep, snoring and associated factors in a community sample of 0-3 month olds. METHODS: Previously validated infant sleep and parent sleep questionnaires were completed by parents of 457 term infants aged 1-13.9 weeks old (mean age=4.6 weeks; SD=2.7; 45% males) during a home-based nurse visit. RESULTS: Approximately 9% of infants were reported to snore habitually (snoring ≥ 3 nights/week). Habitual snoring was significantly associated with exclusive formula feeding (OR: 28.87; p<.01), maternal concern about child's breathing during sleep (OR: 3.91; p=.01) and restless sleep ≥ 3 nights/week (OR: 17.76; p<.001). CONCLUSION: These results show that snoring is as common in infants as it is in older children. Given the known relationships between Sleep Disordered Breathing (SDB) and neurocognitive development, the effect of SDB developing early in childhood may have important consequences on future developmental outcomes.


Subject(s)
Breast Feeding/statistics & numerical data , Snoring/epidemiology , Surveys and Questionnaires , Adolescent , Adult , Age Distribution , Birth Order , Birth Weight , Child , Child, Preschool , Female , Health Surveys , Humans , Infant , Male , Maternal Age , Middle Aged , Prevalence , Risk Factors , South Australia/epidemiology , White People/statistics & numerical data
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