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1.  A paper that changed my practice: S McKenzie. Cough but is it asthma? Arch Dis Child 1994;70:1–2 
Most doctors can identify key papers that have influenced their approach to the management of a particular clinical problem, although sometimes the gestation period of this effect can be very prolonged. In this short review I discuss the effects of a seminal paper by Sheila Mackenzie from the early 1990s on my current approach to the diagnosis and management of chronic cough in children.
doi:10.1136/adc.2006.104430
PMCID: PMC2083138  PMID: 17185449
2.  [No title available] 
PMCID: PMC2083867
3.  CORRECTIONS 
doi:10.1136/adc.2006.105577corr1
PMCID: PMC2083583
4.  CORRECTIONS 
PMCID: PMC2083626
5.  CORRECTION 
doi:10.1136/adc.2005.087981
PMCID: PMC2083234
6.  CORRECTIONS 
doi:10.1136/adc.2006.107284corr1
PMCID: PMC2083768
7.  CORRECTIONS 
doi:10.1136/adc.2006.111195corr1
PMCID: PMC2083795
8.  CORRECTION 
doi:10.1136/adc.2005.081216corr1
PMCID: PMC2066151
9.  CORRECTIONS 
PMCID: PMC2083712
10.  CORRECTIONS 
doi:10.1136/adc.2006.107078corr1
PMCID: PMC2083743
11.  CORRECTION 
doi:10.1136/adc.2006.100883corr1
PMCID: PMC2083682
12.  CORRECTIONS 
doi:10.1136/adc.2006.094276corr1
PMCID: PMC2083156
13.  CORRECTIONS 
doi:10.1136/adc.2006.0103093corr1
PMCID: PMC2083139
14.  Infant morbidity in an Indian slum birth cohort 
Archives of disease in childhood  2007;93(6):479-484.
Objective
To establish incidence rates, clinic referrals, hospitalisations, mortality rates and baseline determinants of morbidity among infants in an Indian slum.
Design
A community-based birth cohort with twice-weekly surveillance.
Setting
Vellore, South India.
Subjects
452 newborns recruited over 18 months, followed through infancy.
Main outcome measures
Incidence rates of gastrointestinal illness, respiratory illness, undifferentiated fever, other infections and non-infectious morbidity; rates of community-based diagnoses, clinic visits and hospitalisation; and rate ratios of baseline factors for morbidity.
Results
Infants experienced 12 episodes (95% confidence interval (CI) 11 to 13) of illness, spending about one fifth of their infancy with an illness. Respiratory and gastrointestinal symptoms were most common with incidence rates (95% CI) of 7.4 (6.9 to 7.9) and 3.6 (3.3 to 3.9) episodes per child-year. Factors independently associated with a higher incidence of respiratory and gastrointestinal illness were age (3-5 months), male sex, cold/wet season and household involved in beedi work. The rate (95% CI) of hospitalisation, mainly for respiratory and gastrointestinal illness, was 0.28 (0.22 to 0.35) per child-year.
Conclusions
The morbidity burden due to respiratory and gastrointestinal illness is high in a South Indian urban slum, with children ill for approximately one fifth of infancy, mainly with respiratory and gastrointestinal illnesses. The risk factors identified were younger age, male sex, cold/wet season and household involvement in beedi work.
doi:10.1136/adc.2006.114546
PMCID: PMC2682775  PMID: 17916587
15.  Regional differences in overweight: an effect of people or place? 
Archives of disease in childhood  2007;93(5):407-413.
Objective:
To examine UK country and regional differences, within England only, in childhood overweight (including obesity) at three years and determine whether any differences persist after adjustment for individual risk factors.
Design:
Nationally representative prospective study
Setting:
England, Wales, Scotland, and Northern Ireland
Participants:
13 194 singleton children from the UK Millennium Cohort Study with height and weight data at age three years.
Main outcome measure:
Overweight (including obesity) was defined by the International Obesity TaskForce cut-offs for body mass index, which are age and sex specific.
Results:
At three years, 23.0% (3102) of children were overweight or obese. In univariable analyses, children from Northern Ireland (odds ratio 1.30, 95% Confidence Interval 1.14 to 1.48) and Wales (1.26, 1.11 to 1.44) were more likely to be overweight than children from England. There were no differences in overweight between children from Scotland and England. Within England, children from the East (0.71, 0.57 to 0.88) and South East regions (0.82, 0.68 to 0.99) were less likely to be overweight than children from London. There were no differences in overweight between children from other English regions and children from London. These differences were maintained after adjustment for individual socio-demographic characteristics and other risk factors for overweight.
Conclusions:
UK country and English regional differences in early childhood overweight are independent of individual risk factors. This suggests a role for policies to support environmental changes that remove barriers to physical activity or healthy eating for young children.
doi:10.1136/adc.2007.128231
PMCID: PMC2679152  PMID: 18089633
obesity; preschool children; public policy
16.  Recent trends in visual impairment and blindness in the UK 
Archives of Disease in Childhood  2007;92(12):1099-1104.
Objective
To study recent trends in the cumulative incidence of visual impairment in childhood over a 15‐year period and to assess progress against WHO goals for prevention.
Design, setting and participants
Data from a population‐based register of visual impairment in southern England were used to estimate cumulative incidence and trends in visual impairment (VI) and severe visual impairment/blindness (SVI/BL) for children born in 1984–1998. Causes were classified by anatomical site(s), timing of insult(s) and whether the visual impairment was potentially preventable or treatable.
Results
Of 691 eligible children, 358 (53%) had VI and 323 (47%) SVI/BL. The cumulative incidence of VI to age 12 years was 7.1 (95% CI 6.4 to 7.8) per 10 000 live births and for SVI/BL was 6.2 (95% CI 5.6 to 6.9); the incidence of both decreased significantly over time. There was an inverse relationship with gestational age and birth weight, although the risk of visual impairment associated with prematurity and low birth weight decreased substantially over time. 55% of children with VI and 77% with SVI/BL had other impairments; the proportion of associated impairments among children with VI decreased over time. 130 (19%) of the children have died, with over half dying before the age of 5.
Conclusions
There is evidence of a temporal decline in the incidence of VI and SVI/BL in births from 1984 to 1998 especially in very preterm and low birthweight infants. Early childhood mortality was high. The causes of visual impairment in UK children are numerous, complex and often part of a wider picture of childhood disability.
doi:10.1136/adc.2007.117416
PMCID: PMC2066065  PMID: 17675357
17.  Diagnosing abuse: a systematic review of torn frenum and other intra‐oral injuries 
Archives of Disease in Childhood  2007;92(12):1113-1117.
Introduction
A torn labial frenum is widely regarded as pathognomonic of abuse.
Methods
We systematically reviewed the evidence for this, and to define other intra‐oral injuries found in physical abuse. Nine studies documented abusive torn labial frena in 30 children and 27 were fatally abused: 22 were less than 5 years old. Only a direct blow to the face was substantiated as a mechanism of injury.
Results
Two studies noted accidentally torn labial frena, both from intubation. Abusive intra‐oral injuries were widely distributed to the lips, gums, tongue and palate and included fractures, intrusion and extraction of the dentition, bites and contusions.
Conclusions
Current literature does not support the diagnosis of abuse based on a torn labial frenum in isolation. The intra‐oral hard and soft tissue should be examined in all suspected abuse cases, and a dental opinion sought where abnormalities are found.
doi:10.1136/adc.2006.113001
PMCID: PMC2066066  PMID: 17468129
abuse; frenum; intra‐oral injury; torn labial frenum; systematic review
18.  The significance of isolated elevation of serum aminotransferases in infants and young children 
Archives of Disease in Childhood  2007;92(12):1109-1112.
Introduction
The aim of this study was to assess the clinical significance and prognosis of a prolonged isolated elevation of serum aminotransferases without cholestasis (>3 months) in infants and young children, investigated for a variety of conditions, and to determine a protocol for their follow‐up and investigation.
Methods
A combined prospective‐retrospective analysis of apparently healthy babies and young children with isolated elevation of serum aminotransferases of at least 1.5 times above the norm for age which persisted for at least 3 months and whose creatine phosphokinase (CK), gamma glutamyltransferase (GGT), alkaline phosphatase and bilirubin levels remained normal throughout the study duration. The children underwent the following investigations: abdominal ultrasound and infectious, metabolic and/or immunological investigation depending on the duration of the abnormality.
Results
Six children were eliminated following the finding of positive cytomegalovirus (CMV) antigen in the urine. 72 children were investigated (47 males and 25 females). The duration of serum aminotransferases elevation was 3–36 months (average 12.4, median 11.5 months). The initial, maximal and final alanine aminotransferase (ALT) values were 85.5, 140.5 and 39.8 IU/l, respectively. Of seven children who had liver biopsies performed, three (42.8%) were suspected of having a glycogen storage disease which was not confirmed enzymatically. Four biopsies revealed non‐specific histological changes.
Conclusions
Isolated elevation of serum aminotransferases in healthy looking young children is mostly a benign condition that usually resolves within a year. If no pathology is found during routine investigation, these children can be followed conservatively. Liver biopsy does not contribute much to the diagnosis and is probably unnecessary.
doi:10.1136/adc.2007.121194
PMCID: PMC2066067  PMID: 17652319
19.  SSRIs in pregnancy: small risk of birth defects? 
doi:10.1136/adc.2007.128389
PMCID: PMC2066068
20.  High prevalence of asymptomatic vitamin D and iron deficiency in East African immigrant children and adolescents living in a temperate climate 
Archives of Disease in Childhood  2007;92(12):1088-1093.
Objectives
Vitamin D deficiency (VDD) is common in immigrant children with increased skin pigmentation living in higher latitudes. We assessed the pattern of and risk factors for VDD in immigrant East African children living in Melbourne (latitude 37°49′ South).
Study design
A prospective survey of 232 East African children attending a clinic in Melbourne. Data were collected by questionnaire, medical assessment and laboratory tests.
Results
Low 25‐hydroxyvitamin D (25‐OHD) levels (<50 nmol/l) occurred in 87% of children, and VDD (25‐OHD <25 nmol/l) in 44%. Risk factors included age <5 years, female gender, increased time in Australia, decreased daylight exposure and winter/spring season. Anaemia (20%), vitamin A deficiency (20%) and iron deficiency (19%) were also identified.
Conclusions
Asymptomatic VDD is common in East African immigrant children residing at a temperate latitude. Risk factors for VDD limit endogenous vitamin D production. Screening of immigrant children with increased skin pigmentation for VDD, anaemia, iron and vitamin A deficiency is appropriate. VDD in adolescent females identifies an increased risk of future infants with VDD.
doi:10.1136/adc.2006.112813
PMCID: PMC2066069  PMID: 17768148
21.  Should the UK introduce varicella vaccine? 
Archives of Disease in Childhood  2007;92(12):1051-1052.
Perspective on the paper by Cameron et al (see page 1062)
doi:10.1136/adc.2007.130518
PMCID: PMC2066070  PMID: 17991684
22.  Primary ciliary dyskinesia: current state of the art 
Archives of Disease in Childhood  2007;92(12):1136-1140.
Primary ciliary dyskinesia (PCD) is usually inherited as an autosomal recessive disorder and presents with upper and lower respiratory tract infection, and mirror image arrangement in around 50% of cases. Cilia dysfunction is also implicated in a wider spectrum of disease, including polycystic liver and kidney disease, central nervous system problems including retinopathy and hydrocephalus, and biliary atresia. Cilia are complex structures, containing more than 250 proteins; recent studies have begun to locate PCD genes scattered throughout the genome. Screening tests for PCD include nasal nitric oxide and in vivo tests of ciliary motility such as the saccharin test. Specific diagnosis requires examination of cilia by light and electron microscopy, with epithelial culture in doubtful cases. This is only available in supra‐regional centres, recently centrally funded by the National Commissioning Group. Treatment is not evidence based and recommendations are largely extrapolated from cystic fibrosis and other suppurative lung diseases.
doi:10.1136/adc.2006.096958
PMCID: PMC2066071  PMID: 17634184
24.  Predictors of abdominal pain in schoolchildren: a 4‐year population‐based prospective study 
Archives of Disease in Childhood  2007;92(12):1094-1098.
Background
Chronic abdominal pain (CAP) is common among schoolchildren, but risk factors for its onset are still largely unknown.
Aims
To determine the frequency of onset of CAP in schoolchildren and investigate risk factors for its development.
Methods
1411 schoolchildren aged 11–14 years were recruited from schools in North West England. Information was collected on recent pain symptoms and potential risk factors for developing CAP. Participants were followed up 1 and 4 years later and new episodes of CAP were identified.
Results
22% reported new‐onset abdominal pain at 1‐year follow‐up which persisted at 4‐year follow‐up (CAP). CAP was almost three times higher in girls than boys (34% vs 13%; χ2: 26.0; p<0.001). In girls, reporting headache at baseline was the only predictive factor for CAP onset: those reporting headaches experienced a doubling in the risk of symptom onset (relative risk: 2.1; 95% confidence interval: 0.95 to 4.7). In contrast, in boys, development of CAP was independently predicted by daytime tiredness (3.0; 1.2 to 7.6), lack of school enjoyment (2.0; 0.95 to 4.2), adverse psychosocial exposures (2.3; 1.2 to 4.5) and taller stature (1.9; 0.8 to 4.5).
Conclusion
Our results suggest that over 20% of adolescent schoolchildren experience new‐onset non‐self‐limiting abdominal pain over a 1‐year period. Future abdominal pain is predicted by previous somatic symptom reporting in girls and both somatic symptom reporting and psychosocial factors in boys. These risk factors indicate a possible mechanism for understanding the development of CAP, and might have important implications for both primary and secondary preventive strategies.
doi:10.1136/adc.2006.115089
PMCID: PMC2066073  PMID: 17804590
25.  Parental attitudes towards the management of asthma in ethnic minorities 
Archives of Disease in Childhood  2007;92(12):1082-1087.
Objectives
Children from Indian and Pakistani (South Asian) and black minority groups have relatively high rates of attendance at accident and emergency (A&E) departments and admissions to hospital in the UK. We examine parents' beliefs and management of childhood asthma that possibly contribute to their greater use of hospital services.
Design
Questionnaire survey.
Setting
Three London hospitals serving multicultural communities with a high proportion of South Asian subjects.
Participants
Parent(s) accompanying 150 children aged 3–9 years with asthma attending asthma clinics and A&E departments.
Main outcome measures
White, South Asian and “other” ethnic group parents were compared regarding their children's symptoms and asthma in relation to why their children had developed asthma, use of asthma treatments, views about the prognosis of their children's asthma, and their feelings associated with stigma.
Results
South Asian more often than white parents stated that they did not give preventers to their children (odds ratio (OR) 0.30; 95% confidence interval (CI) 0.12 to 0.75), that most drugs were “addictive” (OR 3.89; 95% CI 1.47 to 10.27), and that medicines could do more harm than good (OR 3.19; 95% CI 1.22 to 8.34). South Asian and “other” ethnic groups were more reluctant to tell others about their children's asthma (OR 0.11; 95% CI 0.01 to 1.06 and OR 0.06; 95% CI 0.01 to 0.65, respectively).
Conclusion
Cultural perspectives related to ethnicity are key factors in the understanding of asthma management. Health staff should give high priority to eliciting parents' beliefs regarding management of their children's asthma.
doi:10.1136/adc.2006.112037
PMCID: PMC2066074  PMID: 17284478

Results 1-25 (541)