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E-ISSN : 2148-9696
Crescent Journal of
Medical and Biological Sciences
Jul 2022, Vol 9, Issue 3
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Original Article
The Predisposing Risk Factors for Non-syndromic Congenital Heart Disease: A Case-Control Study
Shamsi Ghaffari1, Shirin Forooghifar1, Mohammad Naghavi Behzad2, Nazila Karzad1, Khazar Ghasempour Dabaghi1, Reza Piri3, Maryam Moradian4, Roghaye Nasiri1, Razieh Parizad1, Arezou Tajlil1
1Cardiovascular Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
2Department of Nuclear Medicine, Odense University Hospital, Odense, Denmark
3Department of Clinical Research, University of Southern Denmark, Odense, Denmark
4Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran

CJMB 2022; 9: 153-160
DOI: 10.34172/cjmb.2022.26
Viewed : 2203 times
Downloaded : 2172 times.

Keywords : Congenital heart disease, Risk factors, Age, Antenatal history
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Objectives: Despite the importance of congenital heart disease (CHD) in the population, the risk factors predisposing infants to be born with non-syndromic CHD are not well understood yet.

Materials and Methods: In a case-control study, we recruited consecutive 109 infants with non-syndromic CHD who were referred to our pediatric cardiac care clinic and then compared them with 117 infants without CHD (2015-2016). Paternal, maternal, and neonatal demographic information, maternal past medical history, and antenatal history were recorded for each child. To investigate the potential risk factors for developing CHD, infants with and without CHD were compared in terms of study variables. In a second analysis, preterm infants were excluded and term infants were compared regarding the study variables.

Results: The findings revealed that higher maternal and paternal education were both associated with a lower risk of CHD (odds ratio [OR]: 0.47, 95% confidence interval [CI]: 0.24-0.93, P = 0.031, and OR: 0.45, 95% CI: 0.23-0.89, P = 0.023, respectively). The family history of CHD in the first- or second-degree relatives of infants was significantly associated with CHD (OR: 3.56, 95% CI: 1.35-9.40, P = 0.007). Several parameters were more prevalent in the CHD group, including having lower birth weight, having preterm birth, being the fourth birth order or higher, and not receiving maternity care under the supervision of a gynecologist. However, higher birth order and lower birth weight were not associated with CHD in exclusively term infants. Finally, a higher maternal educational level was related to lower CHD in term infants even after adjusting for a family history of CHD and preconception diabetes mellitus (OR: 5.45, 95% CI: 1.71-17.37, P = 0.004).

Conclusions: Our study findings demonstrate the need for a more enhanced primary care program, especially in patients with poor financial status and a family history of CHD.


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Articles by Ghaffari S
Articles by Forooghifar S
Articles by Naghavi Behzad M
Articles by Karzad N
Articles by Piri R
Articles by Moradian M
Articles by Nasiri R
Articles by Parizad R
Articles by Tajlil A


Articles by Shamsi Ghaffari
Articles by Shirin Forooghifar
Articles by Nazila Karzad
Articles by Reza Piri
Articles by Maryam Moradian
Articles by Roghaye Nasiri
Articles by Razieh Parizad
Articles by Arezou Tajlil

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