AI Article Synopsis
- The study estimates the prevalence of esophageal atresia (EA) in São Paulo State, Brazil, finding a rate of 1.0 per 10,000 live births over 14 years.
- There is a notable increasing trend in EA cases, with a significant rise among mothers aged 35 and older.
- The research indicates no significant seasonal patterns in the occurrence of EA based on conception month.
Article Abstract
Background: The estimated prevalence of esophageal atresia (EA) is 1 in 2500-4500 live births (LBs). Researchers have already identified risk factors, but the mechanisms are still unknown. The aim of this study is to identify EA prevalence trends and its risk factors in the São Paulo State (SPS) population database.
Methods: We conducted a population-based study using all EA cases identified by the Live Births Information System across 14 years (2005-2018) to estimate EA prevalence trends in recent years, stratified by maternal age and SPS geographical clusters. We calculated the prevalence trends, regression coefficient (β), annual percent change (APC), and 95% confidence interval (CI).
Results: We found 820 EA cases among 8,536,101 LBs with a prevalence of 1.0/10,000 LBs in SPS, Brazil. There was no significant difference in distribution by sex. Among all the cases, the majority (65%) were Caucasian; 51.8% were born at term; 43% had weight of ≥2500 g; 95.4% were singleton; and 73.4% of births were by cesarean section. From 2005 to 2018, there was an increasing trend of EA prevalence (APC=6.5%) with the highest APC of 12.2%. The highest EA prevalence rate (1.7/10,000 LB) was found in the group with maternal age of ≥35 years. No significant seasonal variation was found based on the conception month (p=0.061).
Conclusions: EA had an increasing prevalence trend in SPS, Brazil, in recent years, with the highest prevalence rate in the group with maternal age of ≥35 years. No seasonality was observed. This population-based study is the first to summarize the current epidemiology of EA in SPS LB.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9806072 | PMC |
| http://dx.doi.org/10.1136/wjps-2022-000455 | DOI Listing |
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