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Plain film diagnosis in meconium plug syndrome, meconium ileus and neonatal Hirschsprung's disease. A scoring system
S M Hussain1, M Meradji, S G Robben
1Department of Pediatric Radiology, Sophia Children's Hospital, Erasmus University, Rotterdam, The Netherlands.
Insights
Abdominal plain films can help diagnose neonatal bowel obstructions. Four key radiographic parameters accurately predict meconium plug syndrome (MPS), Hirschsprung
Area of Science:
- Radiology
- Neonatal Medicine
- Pediatric Surgery
Background:
- Neonatal bowel obstructions, including meconium plug syndrome (MPS), meconium ileus (MI), and Hirschsprung's disease (HD), present diagnostic challenges.
- Abdominal plain films are a common initial imaging modality in neonates.
Purpose of the Study:
- To evaluate the diagnostic value of abdominal plain films in differentiating between MPS, MI, and HD in neonates.
- To identify key radiographic parameters that aid in distinguishing these three neonatal bowel disorders.
Main Methods:
- Review of abdominal plain films from 133 neonates (82 MPS, 27 MI, 24 HD).
- Assessment of radiographs based on 11 predefined parameters.
- Application of multivariate discriminant analysis to identify significant diagnostic parameters.
Main Results:
- Four parameters were most effective in discriminating among the disorders: bowel loop dilatation, varying loop calibre, fluid levels, and colonic gas.
- A scoring system derived from these parameters predicted MPS with 99% accuracy, HD with 88% accuracy, and MI with 63% accuracy.
- The overall diagnostic accuracy of abdominal plain films for these conditions was 89%.
Conclusions:
- Abdominal plain films, when analyzed using specific parameters and discriminant analysis, offer a high diagnostic accuracy for neonatal bowel obstructions.
- The identified radiographic features provide a reliable basis for further diagnostic investigations and management planning in neonates with suspected bowel obstruction.
Abstract:
Abdominal plain films of 133 neonates, with 82 cases of meconium plug syndrome (MPS), 27 cases of meconium ileus (MI) and 24 cases of neonatal Hirschsprung's disease (HD), were reviewed to assess the value of such radiographs for diagnosis. The radiographs were examined according to a list of 11 parameters. By using multivariate discriminant analysis, it appeared that 4 parameters i.e. dilatation of bowel loops, varying loop calibre, fluid levels and colonic gas were most important in discriminating among the three disorders. For each parameter the weight (in points) was derived. To classify patients, three group-scores had to be calculated: the group-score with the largest value indicated the most likely disorder. So in 99%, 88% and 63% of MPS, HD and MI, respectively, an accurate diagnosis could be predicted. The overall diagnostic accuracy was 89%. Such a diagnosis can be a sound basis for further investigation.