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Biomedical subjects

Alan Emond

Publications and source records attributed to Alan Emond.

6 recordsLinked to original sources
PubMed2006

Psychological problems in children with bedwetting and combined (day and night) wetting: A UK population-based study.

OBJECTIVE: To investigate the psychological problems associated with bedwetting and combined (day and night) wetting in children aged around 7(1/2) years. METHODS: Participants were a cohort of over 8000 children enrolled in the population-based Avon Longitudinal Study of Parents and Children. Parents completed postal questionnaires assessing common childhood psychological problems, and children were asked about behavior, friendships, bullying, and self-esteem in clinical interviews. The rates of psychological problems were compared in children with bedwetting, combined wetting, and in children with no wetting problems. RESULTS: The study found a higher rate of parent-reported psychological problems in children with bedwetting and combined wetting compared with those with no wetting problems. Children with combined wetting were particularly at risk for externalizing problems. There was little difference with the child-reported measures. CONCLUSIONS: Bedwetting and combined wetting are associated with parent-reported psychological problems and combined wetting confers an increased risk for externalizing problems.

Child↗
PubMed2006

Fetal growth and childhood behavioral problems: results from the ALSPAC cohort.

Using data on 4,813 children from the ALSPAC cohort in Bristol, United Kingdom, recontacted in 1998-1999, the authors investigated whether intrauterine growth restriction (indexed by birth weight and length) was associated with behavioral problems at age 7 years. Childhood behavioral problems were measured by using a brief behavioral screening questionnaire (the Strengths and Difficulties Questionnaire (parental completion)). For term singleton infants, a one standard deviation increase in birth weight was associated with an 11% reduction in the odds of behavioral problems at age 81 months. After adjustment for confounders and birth length, this association was no longer seen. The association with birth length remained after adjustment for confounders. A one standard deviation increase in birth length was associated with a 14% decrease in the odds of being in the top tertile of total behavioral difficulties at age 81 months (odds ratio = 0.86, 95% confidence interval: 0.79, 0.95) and was similarly associated with hyperactivity and conduct problems. Evidence was weak for an association between birth length and behavioral problems earlier in childhood. In summary, there was a weak association between intrauterine growth restriction, indexed by birth length (rather than weight), and childhood behavioral problems. Future work should focus on elucidating the biologic mechanisms that lead to variations in birth length and underlie this association.

Birth Weight↗
PubMed2004

Failure to thrive in the term and preterm infants of mothers depressed in the postnatal period: a population-based birth cohort study.

AIMS: To examine the relationship between failure to thrive in preterm and term infants and postnatal depression in their mothers. METHOD: In a whole population birth cohort of 12,391 infants (excluding those born after term or with major congenital abnormalities) failure to thrive over the first nine months was identified using a conditional weight gain criterion which identified the slowest-gaining 5%. Depression symptoms were recorded using the Edinburgh Postnatal Depression Scale (EPDS) at 18 and 32 weeks of pregnancy and at 8 weeks and 8 months after delivery. RESULTS: After the birth, high depression scores were significantly more common in the mothers of infants born preterm, and controlling for depression scores in pregnancy did not eliminate this association after the birth. Failure to thrive was identified in 4.5% of the children born at term (531/11718) and in 8.3% of those born preterm (56/673). The difference was highly significant (chi2 = 20.25 with 1 df, p < .0001). Using a conventional cut-off on the EPDS (score > 12) to identify mothers as 'depressed', the prevalence of failure to thrive in the term infants of mothers depressed at 8 weeks postpartum was 5.0%; in the remainder of the population (controls) it was 4.3%. In mothers depressed at 8 months the prevalence was 4.3% in both groups. The prevalence of failure to thrive in the preterm infants of mothers depressed at 8 weeks was 8.8% (7.0% in controls) and in those depressed at 8 months it was 12.3% (6.7% in controls). None of these differences in prevalence was statistically significant, and significant differences did not emerge from further analyses using more stringent criteria for depression. CONCLUSIONS: Preterm births are specifically associated with high maternal depression scores in the postpartum period, and with a higher prevalence of failure to thrive. High depression scores in the postpartum period are not themselves associated with a higher prevalence of failure to thrive, however, either in infants born at term or in those born preterm.

Adult↗
PubMed2002

Early feeding problems in children with cerebral palsy: weight and neurodevelopmental outcomes.

Using prospectively collected data from 13971 births enrolled in a large population-based cohort study (Avon Longitudinal Study of Parents and Children: ALSPAC), the prevalence of feeding difficulties at 4 weeks and 6 months of age in 33 children subsequently diagnosed with cerebral palsy (CP) were investigated. It was also assessed whether early feeding difficulties could be predictive of functional and growth outcomes at age 8 years. Weak sucking at 4 weeks of age was reported in 11 of 23 children with CP and in 2206 of 12299 (18%) of the remaining population (p<0.0001), and great difficulties feeding at 6 months of age was reported in two of 21 (10%) of the group with CP and in 373 of 10941 (3.3%) of control participants (p=0.017). Feeding difficulties at 4 weeks of age were associated with the pattern of functional impairment at age 4 years (p=0.009) and at 8 years (p=0.068), being clinically underweight (p=0.01), and having speech and swallowing difficulties (p=0.005) at 8 years of age. Early, persistent, and severe feeding difficulties are a marker for subsequent poor growth, feeding, and developmental outcomes and can identify children with CP who will benefit from gastrostomy feeding.

Body Weight↗
PubMed2002

The effectiveness of community-based interventions to improve maternal and infant health in the Northeast of Brazil.

OBJECTIVE: To evaluate the effectiveness of a community-based intervention project aimed at reducing maternal and infant mortality in a poor urban district in the city of Natal, in the Northeast of Brazil. METHODS: The intervention, called the ProNatal project, introduced a program of integrated community health care to a geographically defined population. The interventions included the establishment of antenatal clinics at the district's health centers, the opening of the maternity facilities at the polyclinic for low-risk deliveries, the introduction of a family planning clinic and a breast-feeding clinic, support from pediatricians for under-5 (well-baby) clinics, children's outpatient services and children's emergency care, and the introduction of health agents recruited from the local community. Representative surveys of the population were taken at the project's inception (July 1995) and then 30 months later (December 1997), using a general health questionnaire adapted to the local conditions. Mortality data were collected from local registration systems as well as from an autopsy survey of perinatal and infant deaths. RESULTS: During 1995 there were 4 maternal deaths from 1 195 pregnancies (maternal mortality of 335/100 000); three of the deaths were related to hypertension and one to uterine perforation after an illegal abortion. During 1998 (post-intervention), there were no maternal deaths in pregnancy or childbirth. In 1993 no deliveries took place at the polyclinic, but in 1998 there were 946 deliveries at the clinic without any serious complications. The method of delivery, the incidence of prematurity, and the incidence of low birthweight did not change significantly over the study period. In the post-intervention survey, 75% of women reported receiving contraceptive advice from a doctor in the preceding year, compared to 50% in the first sample. A mortality survey carried out in 1993-1995 estimated the infant mortality rate to be 60/1 000 live births. By 1998, using data collected locally by active surveillance, the infant mortality rate was 37/1 000 live births. The causes of infant death in both those periods were dominated by respiratory infections and diarrheal disease. Over 95% of both samples initiated breast-feeding, but a higher proportion of the post-intervention sample reported breast-feeding for longer than 6 months (41% vs. 32%, P = 0.0005). No differences were apparent in the use of under-5 clinics, but immunization rates improved. Post-intervention, significant improvements were documented in the mothers' understanding of basic hygiene, their knowledge of causes of common diseases, and their management of acute respiratory infections and diarrhea in children. This was particularly true for the households visited by a community health agent. CONCLUSIONS: Inequalities in health care in poor urban populations can be reduced by integrated community-based interventions, including the use of health agents recruited from the local community.

Brazil↗