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Mátrai Á, Teutsch B, Pethő B, Kaposi AD, Hegyi P, Ács N. Reducing the Risk of Birth Defects Associated with Maternal Influenza: Insights from a Hungarian Case-Control Study. J Clin Med 2023; 12:6934. [PMID: 37959399 PMCID: PMC10650197 DOI: 10.3390/jcm12216934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/25/2023] [Accepted: 11/03/2023] [Indexed: 11/15/2023] Open
Abstract
Influenza viruses can cause several complications during pregnancy. Therefore, we aimed to investigate the effects of influenza on the development of congenital abnormalities (CAs) by analyzing the database of the Hungarian Case-Control Surveillance of Congenital Abnormalities (HCCSCA). In our multicenter, case-control, population-based study, we processed clinician-reported outcomes and diagnoses collected in the HCCSCA. The case group included newborns with different non-chromosomal birth defects, while the controls were newborns without CAs. Maternal influenza, as a risk factor for CAs, was analyzed by using a logistic regression model and odds ratios with 95% confidence intervals (CIs). Our results showed that maternal influenza in the first trimester was associated with increased odds of developing non-chromosomal CAs (OR: 1.41, CI: 1.28-1.55). There were increased odds of neural tube defects (OR: 2.22, CI: 1.78-2.76), orofacial clefts (OR: 2.28, CI: 1.87-2.78), and congenital heart defects (OR: 1.28, CI: 1.10-1.49) after influenza infection. In all cases, we found a protective effect of folic acid supplementation in the first trimester. In summary, the odds of non-chromosomal birth defects are higher after maternal influenza in the first trimester, and folic acid or pregnancy vitamin supplementation and antipyretic therapy may reduce the effect of maternal influenza during the first trimester.
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Affiliation(s)
- Ákos Mátrai
- Department of Obstetrics and Gynecology, Semmelweis University, 1082 Budapest, Hungary; (Á.M.); (B.P.)
- Faculty of Health Sciences, University of Pécs, 7621 Pécs, Hungary
- Centre for Translational Medicine, Semmelweis University, 1085 Budapest, Hungary; (B.T.); (P.H.)
| | - Brigitta Teutsch
- Centre for Translational Medicine, Semmelweis University, 1085 Budapest, Hungary; (B.T.); (P.H.)
- Institute for Translational Medicine, Medical School, University of Pécs, 7623 Pécs, Hungary
| | - Boglárka Pethő
- Department of Obstetrics and Gynecology, Semmelweis University, 1082 Budapest, Hungary; (Á.M.); (B.P.)
- Centre for Translational Medicine, Semmelweis University, 1085 Budapest, Hungary; (B.T.); (P.H.)
| | - András D. Kaposi
- Department of Biophysics and Radiation Biology, Semmelweis University School of Medicine, 1094 Budapest, Hungary;
| | - Péter Hegyi
- Centre for Translational Medicine, Semmelweis University, 1085 Budapest, Hungary; (B.T.); (P.H.)
- Institute for Translational Medicine, Medical School, University of Pécs, 7623 Pécs, Hungary
- Institute of Pancreatic Diseases, Semmelweis University, 1083 Budapest, Hungary
| | - Nándor Ács
- Department of Obstetrics and Gynecology, Semmelweis University, 1082 Budapest, Hungary; (Á.M.); (B.P.)
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