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Inheritance of the VATER/VACTERL association
Enrika Bartels1, Ekkehart Jenetzky, Benjamin D Solomon
1Institute of Human Genetics, University of Bonn, Bonn, Germany. enrika.bartels@uni-bonn.de
Familial VATER/VACTERL association is unlikely to be common, with no increased prevalence of features in relatives. A higher rate of tracheoesophageal fistula/atresia was noted in one family, suggesting a very low overall recurrence risk.
Area of Science:
- Medical Genetics
- Developmental Biology
- Pediatric Medicine
Background:
- VATER/VACTERL association involves multiple congenital anomalies.
- Previous research suggested potential inheritance patterns in VATER/VACTERL.
- Understanding recurrence risk is crucial for genetic counseling.
Purpose of the Study:
- To investigate the prevalence of VATER/VACTERL features in first-degree relatives.
- To replicate findings suggesting familial occurrence of VATER/VACTERL.
- To assess the genetic contribution and recurrence risk in VATER/VACTERL association.
Main Methods:
- Studied 87 VATER/VACTERL patients and 271 first-degree relatives.
- Compared feature prevalence in relatives to the general population.
- Analyzed individual component feature prevalence.
Main Results:
- No overall increase in VATER/VACTERL features among first-degree relatives.
- A single family showed a higher prevalence of tracheoesophageal fistula/atresia.
- The overall recurrence risk for VATER/VACTERL appears low.
Conclusions:
- Familial occurrence suggests a genetic component in some VATER/VACTERL cases.
- The overall risk of VATER/VACTERL recurrence in first-degree relatives is likely very low.
- Further studies are needed to evaluate de novo mutations due to patient age.
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