1 The Children's Hospital of Philadelphia, Division of Human Genetics and Molecular Biology
The VACTERL association is one of the more common patterns of multiple malformations in children, with an incidence of approximately 1.6 cases per 10 000 live births.1 The pattern of defects consists of vertebral anomalies (found in 70% of patients), anal atresia with or without fistula (80%), cardiac defect (50%) with ventricular septal defect being most common, tracheoesophageal fistula (70%), renal anomalies (53%), and limb anomalies (65% with radial anomalies and 23% with lower extremity defects).2
The definition of the VACTERL association as a distinct entity is based on the finding that its constituent anomalies are associated in a nonrandom manner.1,3,4
Submitted on February 26, 1990
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