Aim:To clarify the extent of delayed diagnosis of anorectal malformations and the consequences of delaying this diagnosis.Methods:We performed a retrospective case review of all neonatal admissions with an anorectal malformation to a tertiary paediatric surgery unit.A delayed diagnosis was considered to be one made 24 h or more after birth.Results:75 patients were included in the study group:31(42%)had a delay in the diagnosis;44(58%)had no delay in the diagnosis.The time of diagnosis where a delay had occurred ranged from 2-16(median 2)d.A delay in diagnosis could not be accounted for by differences in age,sex,birthweight,gestational age,the severity or visibility of the lesion,the need for neonatal special or intensive care,or the presence of other anomalies.There were significantly more complications(including one death)amongst the group of children who had a delay in the diagnosis of an anorectal malformation.There was no significant difference in long-term functional outcome.Conclusion:Delays in the diagnosis of anorectal malformations are much more common than previously thought.A delay in diagnosis significantly increases the risk of serious early complications and death.
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