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Summary
The incidence of Hirschsprung disease (HSCR) is approximately 1 in 4,417 livebirths. Many infants with HSCR have additional anomalies, particularly cardiovascular, gastrointestinal, and sensorineural issues.
Area of Science:
- Pediatric Surgery
- Medical Genetics
- Public Health Surveillance
Background:
- Hirschsprung disease (HSCR) is a congenital disorder characterized by the absence of ganglion cells in the distal bowel.
- Accurate incidence data and associated anomalies are crucial for understanding HSCR's impact and guiding clinical management.
Purpose of the Study:
- To determine the incidence of Hirschsprung disease in British Columbia.
- To analyze associated anomalies, sex ratio, recurrence, and mortality in HSCR cases.
- To discuss clinical implications for neonatal assessment.
Main Methods:
- Utilized a health surveillance registry with multiple ascertainment sources for nearly 700,000 livebirths (1964-1982).
- Analyzed data on sex ratio, co-occurring anomalies, recurrence, and mortality from 1952 to 1983.
- Reviewed clinical data to identify associated anomalies and their types.
Main Results:
- Estimated liveborn incidence rate for Hirschsprung disease was 1 in 4,417 livebirths (156 cases/689,118 livebirths).
- 29.8% of HSCR cases had additional anomalies, most frequently cardiovascular (10/178), gastrointestinal (12/178), and sensorineural (12/178).
- Cardiovascular and gastrointestinal anomalies were the most common non-HSCR-related co-occurring conditions.
Conclusions:
- Hirschsprung disease affects approximately 1 in 4,417 livebirths.
- A significant proportion of infants with HSCR present with additional anomalies, necessitating comprehensive neonatal evaluation.
- Findings inform clinical practice regarding the assessment of infants diagnosed with Hirschsprung disease.