Preterm delivery and asthma: A systematic review and meta-analysis

Jaakkola, Jouni J. K.; Ahmed, Parvez; Ieromnimon, Antonia; Goepfert, Petra; Laiou, Elpiniki; Quansah, Reginald; Jaakkola, Maritta S.

doi:10.1016/j.jaci.2006.06.043

Cited by 246 publications

(215 citation statements)

References 47 publications

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“…[16][17][18][19][20][21][22] Mechanistically, it has been proposed that chorioamnionitis, because of the associated proinflammatory state and heightened immune response, might play a role in asthma development for infants born preterm. 20,29 The few studies of late prematurity and the development of asthma showed mixed results.…”

Section: Discussionmentioning

confidence: 99%

“…An association between extreme preterm birth and chronic respiratory morbidity, including asthma, has been established. [16][17][18][19][20][21][22] However, most studies of late prematurity and respiratory morbidity have focused on short-term outcomes, such as respiratory distress syndrome, transient tachypnea of the newborn, and transfer to the NICU for mechanical ventilation. 3,4,10,23 Few studies have focused on the impact of late prematurity on longterm respiratory outcomes, such as the development of asthma.…”

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confidence: 99%

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Association of Late-Preterm Birth With Asthma in Young Children: Practice-Based Study

2011

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OBJECTIVE: To evaluate the association of late-preterm birth with asthma severity among young children. METHODS: A retrospective cohort study was performed with electronic health record data from 31 practices affiliated with an academic medical center. Participants included children born in 2007 at 34 to 42 weeks of gestation and monitored from birth to 18 months. We used multivariate logistic or Poisson models to assess the impact of late-preterm (34–36 weeks) and low-normal (37–38 weeks) compared with term (39–42 weeks) gestation on diagnoses of asthma and persistent asthma, inhaled corticosteroid use, and numbers of acute respiratory visits. RESULTS: Our population included 7925 infants (7% late-preterm and 21% low-normal gestation). Overall, 8.3% had been diagnosed with asthma by 18 months. Compared with term gestation, late-preterm gestation was associated with significant increases in persistent asthma diagnoses (adjusted odds ratio [aOR]: 1.68), inhaled corticosteroid use (aOR: 1.66), and numbers of acute respiratory visits (incidence rate ratio: 1.44). Low-normal gestation was associated with increases in asthma diagnoses (aOR: 1.34) and inhaled corticosteroid use (aOR: 1.39). CONCLUSION: Birth at late-preterm and low-normal gestational ages might be an important risk factor for the development of asthma and for increased health service use in early childhood.

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Section: Discussionmentioning

confidence: 99%

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confidence: 99%

Association of Late-Preterm Birth With Asthma in Young Children: Practice-Based Study

2011

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“…41 These birth weight studies are paralleled by studies linking preterm birth with manifest disease, including hospital-treated obstructive airways disease among older adult women 42 and "asthma" in children and young adults. [43][44][45] The use of the term "asthma" for obstructive airways disease in those born preterm has been criticized, and the effect of standard asthma treatment in these subjects is uncertain. 46 Importantly, most of these studies included all infants born before 37 weeks of gestation, suggesting that our findings of obstructed airflow in the VLBW group (comprising the smallest 0.9%-1.5% of all newborns) are relevant to all people born preterm.…”

Section: Figurementioning

confidence: 99%

Lung Function in Very Low Birth Weight Adults

et al. 2015

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BACKGROUND AND OBJECTIVES: Lung function attained in young adulthood is 1 of the strongest predictors of obstructive airways disease in later life. Adults born preterm at very low birth weight (VLBW; ,1500 g) who have experienced bronchopulmonary dysplasia (BPD) have reduced lung function. We studied the association of lung function in young adulthood with preterm birth at VLBW and with BPD and other prenatal and neonatal conditions. METHODS:We performed spirometry for 160 VLBW subjects (29 with BPD according to Northway criteria) aged 18 to 27 years and 162 term control subjects group-matched for gender, age, and birth hospital. Lung function was expressed as z scores according to the Global Lung Function Initiative standards.RESULTS: Forced expiratory volume in 1 second z score was 1.41 units (95% confidence interval [CI]: 0.89 to 1.94) lower in BPD-VLBW subjects and 0.39 units (95% CI: 0.08 to 0.69) in non-BPD VLBW subjects compared with control subjects. Corresponding differences for forced expiratory volume in 1 second/forced vital capacity were 1.52 (95% CI: 0.99 to 2.05) and 0.51 (95% CI: 0.21 to 0.81), respectively. Maternal smoking in pregnancy predicted poorer airflow in all groups; this finding was strongest in the BPD-VLBW group. Lung function was unrelated to fetal or postnatal growth or to neonatal respiratory distress syndrome.

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“…To this are added the often unquantifiable inherent risks for genetically transmitted diseases or the problems associated with prematurity. 26,27 More recently, epidemiologic evidence suggests low birth weight may be associated with the development of hypertension, 28 cardiovascular disease, 29 insulin resistance, 30 and end-stage renal failure. 31 Moreover, low birth weight is associated with an increased risk for hypertension, independent of genetic and shared environmental factors.…”

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Pregnancy and Maternal Outcomes Among Kidney Transplant Recipients

Levidiotis

Chang²,

McDonald

2009

Journal of the American Society of Nephrology

130

100

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Fertility rates, pregnancy, and maternal outcomes are not well described among women with a functioning kidney transplant. Using data from the Australian and New Zealand Dialysis and Transplant Registry, we analyzed 40 yr of pregnancy-related outcomes for transplant recipients. This analysis included 444 live births reported from 577 pregnancies; the absolute but not relative fertility rate fell during these four decades. Of pregnancies achieved, 97% were beyond the first year after transplantation. The mean age at the time of pregnancy was 29 Ϯ 5 yr. Compared with previous decades, the mean age during the last decade increased significantly to 32 yr (P Ͻ 0.001). The proportion of live births doubled during the last decade, whereas surgical terminations declined (P Ͻ 0.001). The fertility rate (or live-birth rate) for this cohort of women was 0.19 (95% confidence interval 0.17 to 0.21) relative to the Australian background population. We also matched 120 parous with 120 nulliparous women by year of transplantation, duration of transplant, age at transplantation Ϯ5 yr, and predelivery creatinine for parous women or serum creatinine for nulliparous women; a first live birth was not associated with a poorer 20-yr graft or patient survival. Maternal complications included preeclampsia in 27% and gestational diabetes in 1%. Taken together, these data confirm that a live birth in women with a functioning graft does not have an adverse impact on graft and patient survival.

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Preterm delivery and asthma: A systematic review and meta-analysis

Cited by 246 publications

References 47 publications

Association of Late-Preterm Birth With Asthma in Young Children: Practice-Based Study

Association of Late-Preterm Birth With Asthma in Young Children: Practice-Based Study

Lung Function in Very Low Birth Weight Adults

Pregnancy and Maternal Outcomes Among Kidney Transplant Recipients

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