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Patterns of co-occurring birth defects among infants with hypospadias

Introduction - Hypospadias, one of the most common male genital birth defects, occurs in 1 out of every 200 male births in the United States and is increasing in prevalence globally. - Objective - This study aimed to characterize the combinations of birth defects that co-occur with hypospadias more...

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Main Authors: Ludorf, Katherine L. (Author) , Benjamin, Renata H. (Author) , Navarro Sanchez, Maria Luisa (Author) , McLean, Scott D. (Author) , Northrup, Hope (Author) , Mitchell, Laura E. (Author) , Langlois, Peter H. (Author) , Canfield, Mark A. (Author) , Scheuerle, Angela E. (Author) , Scott, Daryl A. (Author) , Schaaf, Christian P. (Author) , Ray, Joseph W. (Author) , Oluwafemi, Omobola (Author) , Chen, Han (Author) , Swartz, Michael D. (Author) , Lupo, Philip J. (Author) , Agopian, A. J. (Author)
Format: Article (Journal)
Language:English
Published: 2021
In: Journal of pediatric urology
Year: 2021, Volume: 17, Issue: 1, Pages: 64.e1-64.e8
ISSN:1873-4898
DOI:10.1016/j.jpurol.2020.11.015
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.jpurol.2020.11.015
Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S1477513120306392
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Author Notes:Katherine L. Ludorf, Renata H. Benjamin, Maria Luisa Navarro Sanchez, Scott D. McLean, Hope Northrup, Laura E. Mitchell, Peter H. Langlois, Mark A. Canfield, Angela E. Scheuerle, Daryl A. Scott, Christian P. Schaaf, Joseph W. Ray, Omobola Oluwafemi, Han Chen, Michael D. Swartz, Philip J. Lupo, A.J. Agopian
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Summary:Introduction - Hypospadias, one of the most common male genital birth defects, occurs in 1 out of every 200 male births in the United States and is increasing in prevalence globally. - Objective - This study aimed to characterize the combinations of birth defects that co-occur with hypospadias more often than expected by chance, while accounting for the complex clustering patterns of congenital defects. - Study design - We analyzed cases with hypospadias and at least one additional co-occurring defect from the Texas Birth Defect Registry born between 1999 and 2014. For each combination, we calculated adjusted observed-to-expected (O/E) ratios, using Co-Occurring Defect Analysis (CODA). - Results - Among 16,442 cases with hypospadias and without known syndromes, 2,084 (12.7%) had at least one additional defect. Many of the birth defect combinations within the highest adjusted O/E ratios included cardiac, musculoskeletal, and additional urogenital defects. For example, a top combination with an adjusted O/E of 139.0 included renal agenesis and dysgenesis, reduction defects of the upper limb, and other anomalies of upper limb (including shoulder girdle). High adjusted O/E ratios were also observed in combinations that included defects outside of the urogenital developmental field. For instance, the combination with the highest O/E ratio included buphthalmos, and congenital cataract and lens anomalies (adjusted O/E ratio: 192.9). Similar results were obtained when we restricted our analyses to cases with second- or third-degree hypospadias. - Discussion - Many combinations in the top results were expected (e.g., multiple urogenital defects); however, some combinations with seemingly unrelated patterns of defects may suggest the presence of some etiologic mechanisms yet to be identified. - Conclusion - In summary, this study described patterns of co-occurring defect combinations with hypospadias that can inform further study and may provide insights for screening and diagnostic practices.
Item Description:Gesehen am 19.08.2021
First published: 12 November 2020
Physical Description:Online Resource
ISSN:1873-4898
DOI:10.1016/j.jpurol.2020.11.015

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