Co-occurrence of infantile hypertrophic pyloric stenosis and congenital heart defects: a nationwide cohort study
Recent studies suggest that infantile hypertrophic pyloric stenosis (IHPS) and congenital heart defects (CHDs) may share some genetic risk factors, but little is known about the co-occurrence of the two conditions in patients. Our study cohort included 2,212,756 persons born in Denmark 1977-2013. We...
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Published in | Pediatric research Vol. 85; no. 7; pp. 955 - 960 |
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Main Authors | , , , , , |
Format | Journal Article |
Language | English |
Published |
United States
Nature Publishing Group
01.06.2019
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Subjects | |
Online Access | Get full text |
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Summary: | Recent studies suggest that infantile hypertrophic pyloric stenosis (IHPS) and congenital heart defects (CHDs) may share some genetic risk factors, but little is known about the co-occurrence of the two conditions in patients.
Our study cohort included 2,212,756 persons born in Denmark 1977-2013. We identified patients with IHPS and CHD in the National Patient Register. Using log-linear Poisson regression, we estimated the (incidence) rate ratios (RRs) comparing the rate of IHPS among children with a CHD diagnosis (exposed) and the rate among those without such a diagnosis.
Twenty-seven thousand three hundred and fifty-seven children in the cohort were diagnosed with CHD out of whom 85 developed IHPS (RR = 2.62, 95% confidence interval (CI) 2.09-3.22]). The results were similar for those with and without other congenital malformations, for preterm and term deliveries, and for both sexes. There was, however, a significant effect of calendar period (P = .003). In the period 1977-1996, the RR of IHPS given a CHD diagnosis was 1.96 (95% CI 1.41-2.64); in the period 1997-2014, the RR was 3.75 (95% CI 2.74-4.99).
CHD was associated with an increased risk of IHPS. Further research is needed to delineate molecular-level mechanisms that may affect both conditions. |
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Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 0031-3998 1530-0447 |
DOI: | 10.1038/s41390-019-0369-9 |