Risk factors for bronchiolitis hospitalization during the first year of life in a multicenter Italian birth cohort

Objective. Early feeding and infant exposures have been suggested as potential risk factors for immunoglobulin E- (IgE-) mediated food allergy (FA). We aimed to evaluate the association between IgE-mediated FA in children and early exposures including the child’s nutritional status, breastfeeding and its duration, the age at which the solid food was first introduced, antibiotic exposure during the first year of life, and the child’s vitamin D status during infancy. Design. A case-control study. Setting and Subjects. Children aged 0–13 years were recruited from pediatric allergy and immunology clinics (PAICs) located at major government hospitals in Kuwait (total FA cases: n=100; boys = 67%), and healthy controls (n=100, boys 55%) were recruited from various vaccination units at primary healthcare centers. Results. Cow’s milk allergy was the most common type of FA. FA status was independently associated with the early exposures of exclusive breastfeeding (aOR = 15.55 (3.26–74.19), p=0.001), vitamin D deficiency or insufficiency during infancy (aOR = 5.42 (1.92–15.30), p=0.001), and antibiotic exposure during the first year of life (aOR = 5.00 (1.58–15.84), p=0.006). Conclusions. FA is highly prevalent among children in Kuwait, and our data indicate that early nutrition-related and antibiotic exposures are associated with FA risk.

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Epidemiology of Physician-Diagnosed Allergic Rhinitis in Childhood

PEDIATRICS ◽

10.1542/peds.94.6.895 ◽

1994 ◽

Vol 94 (6) ◽

pp. 895-901

Author(s):

Anne L. Wright ◽

Catharine J. Holberg ◽

Marilyn Halonen ◽

Fernando D. Martinez ◽

Wayne Morgan ◽

...

Keyword(s):

Risk Factors ◽

Allergic Rhinitis ◽

Immunoglobulin E ◽

Age At Onset ◽

First Year ◽

Healthy Children ◽

Early Introduction ◽

Maternal Cigarette Smoking ◽

History Of ◽

First Year Of Life

Objective. To investigate the natural history of and risk factors for allergic rhinitis in the first 6 years of life. Methods. Parents of 747 healthy children followed from birth completed a questionnaire when the child was 6 years old. Data were obtained regarding physician-diagnosed allergic rhinitis (PDAR), associated symptoms, and age at onset. Risk-factor data were taken from earlier questionnaires, and data regarding immunoglobulin E (IgE) and skin-test reactivity were obtained at age 6. Results. By the age of 6, 42% of children had PDAR. Children whose rhinitis began in the first year of life had more respiratory symptoms at age 6 and were more likely to have a diagnosis of asthma. Early introduction of foods or formula, heavy maternal cigarette smoking in the first year of life, and higher IgE, as well as parental allergic disorders, were associated with early development of rhinitis. Risk factors for PDAR that remained significant in a multivanate model included maternal history of physician-diagnosed allergy (odds ratio: 2.2, 95% confidence interval: 1.35-3.54), asthma in the child (4.06, 2.06-7.99), and IgE greater than 100 IU/mL at age 6 (1.93, 1.18-3.17). The odds for atopic as opposed to nonatopic PDAR were significantly higher only among those with high IgE and those who had dogs. Conclusion. Allergic rhinitis developing in the first years of life is an early manifestation of an atopic predisposition, which may be triggered by early environmental exposures.

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Respiratory Syncytial Virus Epidemiology in a Birth Cohort from Kilifi District, Kenya: Infection during the First Year of Life

The Journal of Infectious Diseases ◽

10.1086/425040 ◽

2004 ◽

Vol 190 (10) ◽

pp. 1828-1832 ◽

Cited By ~ 53

Author(s):

D. James Nokes ◽

Emelda A. Okiro ◽

Mwanajuma Ngama ◽

Lisa J. White ◽

Rachel Ochola ◽

...

Keyword(s):

Respiratory Syncytial Virus ◽

Birth Cohort ◽

First Year ◽

Syncytial Virus ◽

First Year Of Life

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Breastfeeding, maternal asthma and wheezing in the first year of life: a longitudinal birth cohort study

European Respiratory Journal ◽

10.1183/13993003.02019-2016 ◽

2017 ◽

Vol 49 (5) ◽

pp. 1602019 ◽

Cited By ~ 19

Author(s):

Meghan B. Azad ◽

Lorena Vehling ◽

Zihang Lu ◽

David Dai ◽

Padmaja Subbarao ◽

...

Keyword(s):

Birth Cohort ◽

Respiratory Health ◽

Birth Cohort Study ◽

P Value ◽

First Year ◽

Dependent Manner ◽

Complementary Foods ◽

Adjusted Rate ◽

First Year Of Life ◽

The Impact

The impact of breastfeeding on respiratory health is uncertain, particularly when the mother has asthma. We examined the association of breastfeeding and wheezing in the first year of life.We studied 2773 infants from the Canadian Healthy Infant Longitudinal Development (CHILD) birth cohort. Caregivers reported on infant feeding and wheezing episodes at 3, 6 and 12 months. Breastfeeding was classified as exclusive, partial (supplemented with formula or complementary foods) or none.Overall, 21% of mothers had asthma, 46% breastfed for at least 12 months and 21% of infants experienced wheezing. Among mothers with asthma, breastfeeding was inversely associated with infant wheezing, independent of maternal smoking, education and other risk factors (adjusted rate ratio (aRR) 0.52; 95% CI 0.35–0.77 for ≥12 versus <6 months breastfeeding). Compared with no breastfeeding at 6 months, wheezing was reduced by 62% with exclusive breastfeeding (aRR 0.38; 95% CI 0.20–0.71) and by 37% with partial breastfeeding supplemented with complementary foods (aRR 0.63; 95% CI 0.43–0.93); however, breastfeeding was not significantly protective when supplemented with formula (aRR 0.89; 95% CI 0.61–1.30). Associations were not significant in the absence of maternal asthma (p-value for interaction <0.01).Breastfeeding appears to confer protection against wheezing in a dose-dependent manner among infants born to mothers with asthma.

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Association of Streptococcus pneumoniae nasopharyngeal colonization and other risk factors with acute otitis media in an unvaccinated Indian birth cohort

Epidemiology and Infection ◽

10.1017/s0950268816000248 ◽

2016 ◽

Vol 144 (10) ◽

pp. 2191-2199 ◽

Cited By ~ 4

Author(s):

V. RUPA ◽

R. ISAAC ◽

G. REBEKAH ◽

A. MANOHARAN

Keyword(s):

Risk Factors ◽

Streptococcus Pneumoniae ◽

Birth Cohort ◽

Otitis Media ◽

Acute Otitis Media ◽

Winter Season ◽

Positive Culture ◽

Nasopharyngeal Colonization ◽

Upper Respiratory Infection ◽

First Year Of Life

SUMMARYIn order to study the epidemiology of acute otitis media (AOM) and Streptococcus pneumoniae nasopharyngeal colonization in the first 2 years of life, we followed up an unvaccinated birth cohort monthly and at visits when sick, with otoscopy to detect AOM and performed nasopharyngeal swabbing to detect S. pneumoniae. Serotyping of positive cultures was also performed. Of 210 babies who were enrolled at birth, 61 (29·05%) experienced 128 episodes of AOM [relative risk 2·63, 95% confidence interval (CI) 1·21–5·75] with maximum incidence in the second half of the first year of life. Episodes ranged from 1 to 7 (mean 2·1 episodes). Most (86·9%) babies with AOM had a positive culture swab giving an odds ratio (OR) of 1·93 (95% CI 1·03–3·62, P = 0·041) for this association. Other risk factors identified for AOM were winter season (OR 3·46, 95% CI 1·56–7·30, P = 0·001), upper respiratory infection (OR 2·43, 95% CI 1·43–4·51, P = 0·005); residents of small households were less likely to develop AOM (OR 0·32, 95% CI 0·17–0·57, P < 0·01). Common S. pneumoniae serotypes isolated during episodes were 19, 6, 15, 35, 7, 23, 9 and 10 which indicated a theoretical coverage for pneumococcal vaccines PCV10 and PCV13 constituent serotypes of 62·8%. We conclude that AOM in Indian infants is often associated with S. pneumoniae colonization of the nasopharynx as well as other risk factors.

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Anthropometry at birth and at age of routine vaccination to predict mortality in the first year of life: A birth cohort study in BukinaFaso

PLoS ONE ◽

10.1371/journal.pone.0213523 ◽

2019 ◽

Vol 14 (3) ◽

pp. e0213523 ◽

Cited By ~ 8

Author(s):

Martha Mwangome ◽

Moses Ngari ◽

Paluku Bwahere ◽

Patrick Kabore ◽

Marie McGrath ◽

...

Keyword(s):

Cohort Study ◽

Birth Cohort ◽

Routine Vaccination ◽

Birth Cohort Study ◽

First Year ◽

First Year Of Life

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DOZ047.81: Neurodevelopmental outcome in infants with AE: developmental trajectories in the first year of life

Diseases of the Esophagus ◽

10.1093/dote/doz047.81 ◽

2019 ◽

Vol 32 (Supplement_1) ◽

Author(s):

F Bevilacqua ◽

B Ragni ◽

L Valfrè ◽

A Conforti ◽

A Braguglia ◽

...

Keyword(s):

Risk Factors ◽

Mechanical Ventilation ◽

Motor Development ◽

Developmental Trajectories ◽

Neurodevelopmental Outcome ◽

First Year ◽

Neurodevelopmental Outcomes ◽

Prospective Longitudinal Study ◽

First Year Of Life ◽

Prospective Longitudinal

Abstract Background Esophageal atresia (EA) prognosis have improved significantly over the past three decades. Research and clinical attention has shifted to neurodevelopmental outcomes and quality of life. Aim The aim of this study wasto examine neurodevelopmental outcomes and to identify clinical and sociodemographic risk factors in a cohort of infants with EA. Methods An observational prospective longitudinal study was conducted between 2009 and 2017. Neurodevelopment was assessed at 6 and 12 months by Bayley Scales of Infants and Toddler Development—3rd Edition. Clinical and sociodemographic variables included were gender, birthweight, gestational age, associated malformations, number of hospitalizations, surgeries and dilatations at 12 months, days of mechanical ventilation, parental age, education level, and socioeconomic status. Results Ninety-six infants were enrolled in the study at 6 months and 73 of them were evaluated also at 12 months. Analysis showed significant differences between motor development at 6 and 12 months (M6 = 95.39, SD = 15.71; M12 = 91.83, SD = 12.87; t = 0.245, P = 0.017); significant differences emerged also between cognitive development at 6 and 12 months (M6 = 91.80, SD = 11.70; M12 = 100.92, SD = 15.39; t = −5.10, p = .000). Infants with long-gap AE achieved the worst scores in cognitive (r = -.28, P < .01) and motor scales (r = -.36, P < .01) at 6 months and in motor scale at 12 months (r = −0.30, P < 0.05). More days of mechanical ventilation were related to a lower score in both the cognitive (6 months r = −0.26, P < 0.05; 12 months r = −0.26, P < 0.05) and motor scale (6 months: r = −0.38, P < 0.01; 12 months r = −0.42, P < 0.01). A major number of interventions in the first year of life were related to lower scores in the motor scale at 12 months (r = −0.43, P < 0.01). Conclusions Infants operated on for AE are at risk of neurodevelopmental impairment in the first year of life. Findings support the association between neurodevelopmental outcomes and clinical risk factors. Careful interdisciplinary follow-up is essential for early detection of neurodevelopmental delay.

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Fetal, neonatal, and post-neonatal mortality in the 2015 Pelotas (Brazil) birth cohort and associated factors

Cadernos de Saúde Pública ◽

10.1590/0102-311x00072918 ◽

2019 ◽

Vol 35 (7) ◽

Author(s):

Andrea Ramirez Varela ◽

Bruna Celestino Schneider ◽

Susana Bubach ◽

Mariangela Freitas Silveira ◽

Andréa Dâmaso Bertoldi ◽

...

Keyword(s):

Neonatal Mortality ◽

Birth Cohort ◽

Gestational Age ◽

Associated Factors ◽

Reference Group ◽

Multinomial Logistic Regression ◽

First Year ◽

Chi Square ◽

Neonatal Deaths ◽

First Year Of Life

This study aimed to describe fetal, neonatal, and post-neonatal mortality and associated factors in participants of the 2015 Pelotas (Brazil) birth cohort. The child mortality sub-study followed up all deaths in the first year of life. Data were collected on intrauterine fetal deaths (weight ≥ 500g and/or gestational age ≥ 20 weeks), neonatal deaths (< 28 days of life), and post-neonatal deaths (from 28 days to the end of the first year of life). Descriptive analyses using the Pearson chi-square test and a multinomial logistic regression to estimate the risk of fetal, neonatal, and post-neonatal deaths compared to live infants in the cohort (reference group) were performed. Data from 4,329 eligible births were collected, of which 54 died during the fetal period. Of the 4,275 eligible live births, 59 died in the first year of life. An association between fetal, neonatal, and post-neonatal deaths (OR = 15.60, 7.63, and 5.51 respectively) was found, as well as less than six prenatal consultations. Compared to live infants, fetal deaths were more likely to occur in non-white mothers, and neonatal deaths were 14.09 times more likely to occur in a preterm gestational age (< 37 weeks). Compared to live infants, infants that were born in a C-section delivery had 3.71 increased odds of post-neonatal death. Additionally, neonatal deaths were 102.37 times more likely to have a low Apgar score on the fifth minute after birth. These findings show the need for early interventions during pregnancy, ensuring access to adequate prenatal care.

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