SGA subtypes and mortality risk among singleton births

Kristensen, Sibylle; Salihu, Hamisu M.; Keith, Louis; Kirby, Russell S.; Fowler, Karen B.; Pass, Mary Ann

doi:10.1016/j.earlhumdev.2006.05.008

Cited by 42 publications

(31 citation statements)

References 24 publications

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“…Previous studies have identified both preterm and SGA as precursors of mortality in infancy [14] . In this study, we observed the preponderance of preterm and SGA births among infants diagnosed with DWS with additional anomalies as compared to those with the isolated phenotype.…”

Section: Discussionmentioning

confidence: 99%

Dandy-Walker Syndrome, Associated Anomalies and Survival through Infancy: A Population-Based Study

Salihu¹,

Kornosky

Druschel

2008

Fetal Diagn Ther

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Objectives: To assess infant mortality patterns associated with Dandy-Walker syndrome (DWS) and the impact of concomitant anomalies. Methods: Data for this study were obtained from the New York State Congenital Malformations Registry, an ongoing population-based validated surveillance system. Results: The 196 cases of DWS had a high infant mortality rate (250/1,000), and the elevated risk correlated positively with additional anomalies in a dose-effect pattern (p for trend <0.01). Infants with DWS and two or more affected organ systems were about 6 times as likely to die postneonatally than their counterparts with isolated DWS [adjusted hazards ratio (AHR) = 6.01; 95% CI = 1.52–24.21]. Conclusion: This study confirms the widely held notion that DWS is a heterogeneous rather than a homogeneous entity as shown by the dissimilar infant survival patterns found.

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Section: Discussionmentioning

confidence: 99%

Dandy-Walker Syndrome, Associated Anomalies and Survival through Infancy: A Population-Based Study

Salihu¹,

Kornosky

Druschel

2008

Fetal Diagn Ther

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“…Although the increased risk of infant mortality with SGA is well documented, [26][27][28] the impact of LGA on mortality is less frequently reported.…”

Section: Strengths and Interpretationmentioning

confidence: 99%

Application of A global reference for fetal‐weight and birthweight percentiles in predicting infant mortality

Ding

Tian

Zhang

et al. 2013

BJOG

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Objective To determine whether the recently published A global reference for fetal-weight and birthweight percentiles (Global Reference) improves small-(SGA), appropriate-(AGA), and large-for-gestational-age (LGA) definitions in predicting infant mortality.Design Population-based cohort study. Population Singleton births with birthweight >500 g born at 24-41 weeks of gestation.Methods We compared infant mortality rates of SGA, AGA, and LGA infants classified by three different references: the Global Reference; a commonly used birthweight reference; and Hadlock's ultrasound reference.Main outcome measures Infant mortality rates.Results Among 33 997 719 eligible liveborn singleton births, 25% of preterm and 9% of term infants were classified differently for SGA, AGA, and LGA by the Global Reference and the birthweight reference. The Global Reference indicated higher mortality rates in preterm SGA and preterm LGA infants than the birthweight reference. The mortality rate was considerably higher in infants classified as preterm SGA by the Global Reference but not by the birthweight reference, compared with the corresponding infants classified by the birthweight reference but not by the Global Reference (105.7 versus 12.9 per 1000, RR 8.17, 95% CI 7.38-9.06). Yet, the differences in mortality rates were much smaller in term infants than in preterm infants. Black infants had a particularly higher mortality rate than other races in AGA and LGA preterm and term infants.Conclusions In respect to the commonly used birthweight reference, the Global Reference increases the identification of infant deaths by improved classification of abnormal newborn size at birth, and these advantages were more obvious in preterm than in term infants.

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“…Survival rates vary by defect (Goldstein and Nielsen, 1988;Lynberg et al, 1991;Druschel et al, 1996a;Druschel et al, 1996b;Leonard et al, 2000;Nembhard et al, 2001;Cleves et al, 2003;Forrester and Merz, 2003;Rasmussen et al, 2003) and are influenced by several factors including gestational age at birth and size at birth. Infants with birth defects are more often born at earlier gestational ages, i.e., preterm (<37 completed weeks of gestation) and smaller sizes at birth, i.e., small for gestational age (SGA; <10th percentile of birth weight for gestational age) than infants without birth defects (Khoury et al, 1988;Mili et al, 1991;Rasmussen et al, 2001;Dolan et al, 2007;Malik et al, 2007;Purisch et al, 2008 (Reddy et al, 1999;Dees et al, 2000;Suresh et al, 2001;Kecskes and Cartwright, 2002).Although infants are often born with different gestational age and size at birth combinations (e.g., born preterm and SGA) that affects their risk of mortality (Tyson et al, 1995;Zaw et al, 2003;Kristensen et al, 2007), no population-based studies have described the risk of mortality associated with gestational age and size at birth subgroups among infants with birth defects. Moreover, maternal race/ethnicity may further modify the risk of childhood mortality for gestational age and size at birth combinations.…”

mentioning

confidence: 99%

Mortality among infants with birth defects: Joint effects of size at birth, gestational age, and maternal race/ethnicity

Nembhard

Salemi

Ethen

et al. 2010

Birth Defects Research

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SGA subtypes and mortality risk among singleton births

Cited by 42 publications

References 24 publications

Dandy-Walker Syndrome, Associated Anomalies and Survival through Infancy: A Population-Based Study

Dandy-Walker Syndrome, Associated Anomalies and Survival through Infancy: A Population-Based Study

Application of A global reference for fetal‐weight and birthweight percentiles in predicting infant mortality

Mortality among infants with birth defects: Joint effects of size at birth, gestational age, and maternal race/ethnicity

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