A two-year follow-up study of very preterm infants in Italy: aims and study design

Cuttini, Marina; Caravale, Barbara; Carnielli, Virgilio P.; Chiandotto, Valeria; Contoli, Benedetta; Corchia, Carlo; Frè, Monica Da; Lallo, Domenico Di; Ferrazzoli, Federica; Fertz, Mariacristina; Guzzo, Immacolata; Miniaci, Silvana; Mirante, Nadia; Piga, Simone; Rusconi, Franca; Buiatti, Eva

doi:10.1016/j.paed.2009.08.027

Cited by 8 publications

(5 citation statements)

References 17 publications

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“…Thirty-two publications were from Europe [five from France ( 26 – 30 ), five from Sweden ( 31 – 35 ), five from Norway ( 36 – 40 ), three from The Netherlands ( 41 – 43 ), three from the United Kingdom ( 11 , 44 , 45 ), two from Denmark ( 46 , 47 ), two from Germany ( 48 , 49 ), two from Italy ( 50 , 51 ), two from Finland ( 52 , 53 ), one from Scotland ( 54 ), one from Austria ( 55 ), and one from Belgium ( 56 )], seven from North America [five from Canada ( 57 – 61 ), two from the United States of America ( 62 , 63 )], 17 from Oceania [16 from Australia ( 64 – 79 ) and one from New Zealand ( 80 )], and one from Asia [Taiwan ( 81 )].…”

Section: Resultsmentioning

confidence: 99%

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Completeness of Retention Data and Determinants of Attrition in Birth Cohorts of Very Preterm Infants: A Systematic Review

et al. 2021

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Background: Birth cohorts provided essential knowledge for clinical and public health decision-making. However, little is known about retention and determinants of attrition in these specific longitudinal studies, although characterizing predictors of attrition sets the path to mitigate its occurrence and to promote valid inferences. We systematically reviewed retention in follow-ups of birth cohorts of very preterm or very low birth weight infants and the determinants of attrition. PROSPERO registration number: CRD42017082672.Methods: Publications were identified through PubMed®, Scopus, Web of Science, and Cochrane Library databases from inception to December 2017. Studies were included when reporting at least one of the following: retention at follow-ups, reasons for attrition, or characteristics of non-participants. Quality assessment was conducted using the completeness of the report of participation features in the articles. Non-participant's characteristics were presented using descriptive statistics. Local polynomial regression was used to describe overall retention trends over years of follow-up.Results: We identified 57 eligible publications, reporting on 39 birth cohorts and describing 83 follow-up evaluations. The overall median retention was 87% (p25–p75:75.8–93.6), ranging from 14.6 to 100%. Overall, retention showed a downward trend with increasing child age. Completeness of retention report was considered “enough” in only 36.8% of publications. Considering the 33 (57.9%) publications providing information on participants and non-participants, and although no formal meta-analysis was performed, it was evident that participants lost to follow-up were more often male, had foreign-born, multiparous, and younger mothers, and with a lower socioeconomic status.Conclusion: This systematic review evidenced a lack of detailed data on retention, which may threaten the potential use of evidence derived from cohort studies of very preterm infants for clinical and public health purpose. It supports the requirement for a standardized presentation of retention features responding to current guidelines.

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Section: Resultsmentioning

confidence: 99%

“…Any reference to retention strategies was present in three (5.2%) publications: one declaring “no incentives” ( 51 ), one declaring “financial incentives” ( 37 ), and another referring “other types of strategies” ( 26 ) such as offering test results, sending letters or newsletters, and keeping websites.…”

Section: Resultsmentioning

confidence: 99%

Completeness of Retention Data and Determinants of Attrition in Birth Cohorts of Very Preterm Infants: A Systematic Review

et al. 2021

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“…The ACTION (Accesso alle Cure e Terapie Intensive Ostetrico‐Neonatali—access to intensive obstetrical and neonatal care) follow‐up project is an area‐based prospective cohort study including all very preterm infants born in 2003–2005 in five Italian regions, with follow‐up at 2 years of corrected age 31 . In three of the regions (Friuli‐Venezia Giulia, Toscana, and Lazio), a second wave of follow‐up was carried out at school age (mean 9.2 years, standard deviation 0.7) to assess general health, cognitive and neuropsychological development, and motor functions including the risk of DCD.…”

Section: Methodsmentioning

confidence: 99%

Early factors associated with risk of developmental coordination disorder in very preterm children: A prospective area‐based cohort study in Italy

Zoia

Biancotto

Caravale

et al. 2022

Paediatric Perinatal Epid

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Background Developmental coordination disorder (DCD) is a motor disorder of unknown aetiology that may have long‐term consequences on daily activities, and psychological and physical health. Studies investigating risk factors for DCD have so far provided inconsistent results. Objectives To assess, using a parent‐report screening tool, risk of DCD in school‐age very preterm children born in Italy, and investigate the associated early biomedical and sociodemographic factors. Methods A prospective area‐based cohort (804 children, response rate 73.4%) was assessed at 8–11 years of age in three Italian regions. Perinatal data were abstracted from medical records. DCD risk was measured using the Italian‐validated version of the Developmental Coordination Disorder Questionnaire (DCDQ‐IT). For this study, children with cognitive deficit (i.e. intelligence quotient <70), cerebral palsy, severe vision and hearing disabilities, and other impairments affecting movement were excluded. A total of 629 children were analysed. We used inverse probability weighting to account for loss to follow‐up, and multilevel, multivariable modified Poisson models to obtain adjusted risk ratio (aRR) and 95% confidence interval (CI). Missing values in the covariates were imputed. Results 195 children (weighted proportion 31.8%, 95% CI 28.2, 35.6) scored positive on the DCDQ‐IT, corresponding to the 15th centile of the reference Movement‐ABC test. Factors associated with overall DCD risk were male sex (aRR 1.35, 95% CI 1.05, 1.73), intrauterine growth restriction (aRR 1.45, 95% CI 1.14, 1.85), retinopathy of prematurity (aRR 1.62, 95% CI 1.07, 2.45), and older maternal age at delivery (aRR 1.39, 95% CI 1.09, 1.77). Complete maternal milk feeding at discharge from the neonatal unit and higher parental socio‐economic status were associated with decreased risk. Conclusions Both biomedical and sociodemographic factors increase DCD risk. These findings can contribute to elucidating the origins of this disorder, and assist in the identification of children at risk for early referral and intervention.

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“…The ACTION project is a prospective area‐based study that recruited all births occurred at 22‐31 completed weeks of gestational age (GA) in 2003‐2005 in several regions in Italy . In Tuscany only, a respiratory follow‐up was carried out at preschool age, including all the surviving children born from July 2003 to June 2004 (June 2005 for those with GA <28 weeks, with the aim of increasing the sample size of the extremely preterm cohort).…”

Section: Methodsmentioning

confidence: 99%

Lung function in a cohort of 5‐year‐old children born very preterm

Lombardi

Fainardi

Calogero

et al. 2018

Pediatric Pulmonology

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Objective We assessed lung function and respiratory health in an area‐based prospective cohort of preschool children born very preterm. Design Lung function was measured by interrupter respiratory resistance (Rint) and forced oscillation technique (FOT) (respiratory resistance (Rrs8), reactance (Xrs8), and area under the reactance curve (AX)) at a median age of 5.2 years in a cohort of 194 children born at 22‐31 weeks of gestational age (GA) in Tuscany, Italy. Respiratory symptoms and hospitalizations were also assessed. Results Mean (SD) lung function Z‐scores were impaired in preterm children for Rint (0.72 (1.13)), Xrs8 (‐0.28 (1.34)), and AX (0.29 (1.41)). However, only a relatively small proportion of children (14.5‐17.4%) had values beyond the 95th centile or below the 5th. Children with bronchopulmonary dysplasia (BPD) (n = 24) had slightly but not significantly impaired lung function indices in comparison with those without BPD (n = 170). In a multivariable analysis, lower GA was associated with worse lung function indices. Fifty‐five percent of children had a history of wheezing ever and 21% had been hospitalized in their lifetime because of lower respiratory infections; 31% had wheezing in the last 12 months and this was associated with increased Rrs8 (P = 0.04) and AX (P = 0.08), and with decreased Xrs8 (P = 0.04) Z‐scores. Conclusions Irrespectively of BPD preschool children born very preterm had impaired lung function indices, as measured by Rint and FOT, and a slightly higher burden of respiratory problems than the general population. GA seems to be crucial for lung development.

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A two-year follow-up study of very preterm infants in Italy: aims and study design

Cited by 8 publications

References 17 publications

Completeness of Retention Data and Determinants of Attrition in Birth Cohorts of Very Preterm Infants: A Systematic Review

Completeness of Retention Data and Determinants of Attrition in Birth Cohorts of Very Preterm Infants: A Systematic Review

Early factors associated with risk of developmental coordination disorder in very preterm children: A prospective area‐based cohort study in Italy

Lung function in a cohort of 5‐year‐old children born very preterm

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