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Purpose: The objectives of this study were to learn if the intake of systemic antibiotics during the first year of age (period of primary teeth development) was associated with an increased risk for early childhood caries during the following years; end after the first year of age (following the formation of primary teeth) was associated with a lower risk for early childhood caries during the following years. Conclusions: Children who used systemic antibiotics during the first year of age had a significantly greater risk for early childhood caries (ECC) during follow-up compared to children who did not use antibiotics. After the first year of life, only children who used systemic antibiotics at 13 to 18 months old showed a significant increase in the risk of ECC. A child's racial background was a determining factor in the association between antibiotic intake and ECC. [ABSTRACT FROM AUTHOR]

Purpose: The purpose of this study was to examine the risk of early childhood caries (ECC) in children who had middle ear infections (MEl) or respiratory tract infections (RTI) during early childhood. Methods: Medicaid data from Michigan were analyzed for all continuously enrolled children born in 2001 for whom enrollment, medical, and dental claims were filed during 2001-2004. Proportional hazards survival models were used to assess the risk of ECC in children who had MEl or RTI during the first year of life. Results: Included in the study were 29,485 children (51% males and 49% females). By first year of life, 47% and 69% of children had a claim for MEl and RTI, respectively. Children with at least one claim for MEl or RTI were at 29% higher risk for developing ECC compared to those with no claims (P<.001). Hispanic children with 8 or more claims showed 91% greater risk for developing ECC than those with less than 8 claims (P=.01). Conclusions: The occurrence of middle ear infections or respiratory tract infections during the first year of life is associated with a significantly increased risk for developing early childhood caries during subsequent years. Race and ethnicity are possible predictors for ECC in the studied models. [ABSTRACT FROM AUTHOR]

Objectives: To further validate a questionnaire about symptoms of childhood obstructive sleep apnea (OSA) and to compare the questionnaire with polysomnography in their ability to predict outcomes of adenotonsillectomy., Design: Retrospective analysis of data from a longitudinal study., Setting: University-based sleep disorders laboratory., Participants: The Washtenaw County Adenotonsillectomy Cohort, comprising 105 children aged 5.0 to 12.9 years at entry. Intervention Parents completed the 22-item Sleep-Related Breathing Disorder (SRBD) scale of the Pediatric Sleep Questionnaire, and children underwent polysomnography before and 1 year after clinically indicated adenotonsillectomy (n = 78, usually for suspected OSA) or unrelated surgical care (n = 27)., Main Outcome Measures: Findings from commonly used hyperactivity ratings, attention tests, and sleepiness tests., Results: At baseline, a high SRBD scale score (1 SD above the mean) predicted an approximately 3-fold increased risk of OSA on polysomnography (odds ratio, 2.80; 95% confidence interval, 1.68-4.68). One year later, OSA and symptoms had largely resolved, but a high SRBD score still predicted an approximately 2-fold increased risk of residual OSA on polysomnography (odds ratio, 1.89; 95% confidence interval, 1.13-3.18). Compared with several standard polysomnographic measures of OSA, the baseline SRBD scale better predicted initial hyperactivity ratings and 1-year improvement, similarly predicted sleepiness and its improvement, and similarly failed to predict attention deficit or its improvement., Conclusions: The SRBD scale predicts polysomnographic results to an extent useful for research but not reliable enough for most individual patients. However, the SRBD scale may predict OSA-related neurobehavioral morbidity and its response to adenotonsillectomy as well or better than does polysomnography.

Study Objective: To compare a validated subjective measure of childhood sleepiness to an objective determination, assess the frequency of problematic sleepiness among children with suspected sleep-disordered breathing (SDB), and examine what standard or investigational polysomnographic measures of SDB predict subjective sleepiness., Design: Prospective, cross-sectional., Setting: University-based sleep disorders laboratory., Participants: Washtenaw County Adenotonsillectomy Cohort., Intervention: Polysomnography followed by Multiple Sleep Latency Tests (MSLTs) in 103 children aged 5 to 12 years old: 77 were scheduled for clinically indicated adenotonsillectomy, usually for suspected SDB, and 26 for unrelated surgical care. Parents completed the previously validated, 4-item Pediatric Sleep Questionnaire-Sleepiness Subscale (PSQ-SS)., Results: Thirty-three (43%) of the children scheduled for adenotonsillectomy had high PSQ-SS scores, in comparison with only 3 (12%) of the controls (p = .004). The PSQ-SS scores correlated inversely with mean sleep latencies on the MSLTs (rho = -0.23, p = .006). The obstructive apnea index, apnea-hypopnea index, and respiratory disturbance index (which included respiratory event-related arousals identified by esophageal pressure monitoring) each correlated similarly with PSQ-SS scores, as did investigational quantification of esophageal pressures and respiratory cycle-related electroencephalographic changes (each rho approximately 0.30, p < .02). A stepwise regression identified sigma-frequency respiratory cycle-related electroencephalographic changes as the strongest independent predictor of subjective sleepiness among all subjects and particularly among those without obstructive sleep apnea., Conclusions: Sleepiness is a frequent problem among children with suspected SDB. Subjective sleepiness (PSQ-SS) reflects MSLT results to a limited extent, as in adults. Standard polysomnographic measures of SDB predict subjective sleepiness, but respiratory cycle-related electroencephalographic changes may offer additional clinical utility.