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Epilepsy and consanguinity in Shiraz, Iran
1Shiraz University of Medical Sciences, Shiraz, Iran. asadipoa@sums.ac.ir
Summary
Consanguinity, or familial marriage, significantly increases the risk of epilepsy in children. This study found a higher percentage of consanguinity among parents of epileptic children, highlighting its role as a potential risk factor.
Area of Science:
- Genetics
- Neurology
- Public Health
Background:
- Consanguinity's association with epilepsy is debated, with some studies showing non-significant risk.
- Previous research has yielded conflicting results regarding the link between consanguinity and childhood epilepsy.
Purpose of the Study:
- To investigate the association between consanguinity and epilepsy.
- To determine if consanguinity is a significant risk factor for epilepsy in children and adolescents.
Main Methods:
- A cross-sectional study was conducted on 181 epileptic children and adolescents up to 18 years old in Shiraz, Iran.
- The consanguinity rate among parents of epileptic patients was compared to that of the general population in the same region.
Main Results:
- Consanguinity was significantly higher in parents of epileptic children compared to the general population (OR=2.612, 95% CI: 1.929-3.536, P<0.0001).
- First-cousin marriages showed an odds ratio (OR) of 2.264, and second-cousin marriages showed an OR of 3.557.
- 33.7% of parents were first cousins, 20.4% were second cousins, and 45.9% were unrelated.
Conclusions:
- Consanguinity is a significant risk factor for epilepsy.
- Increased awareness and pre-marriage counseling are recommended to mitigate the risk of epilepsy associated with familial marriages.