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Intussusception: the sonographic diagnosis and its clinical value
1Department of Pediatrics, Mackay Memorial Hospital, Taipei, Taiwan, R.O.C.
Journal of Pediatric Gastroenterology and Nutrition
|April 1, 1989
Summary
Ultrasound can predict the need for surgery in intussusception cases. A thicker exterior rim on ultrasound images indicates a higher likelihood of requiring operative reduction for intussusception.
Area of Science:
- Pediatric Radiology
- Gastrointestinal Imaging
Background:
- Intussusception is a common surgical emergency in infants and children.
- Accurate prediction of surgical necessity is crucial for optimal patient management.
Purpose of the Study:
- To evaluate the efficacy of real-time sonography in predicting the need for operative reduction in intussusception.
- To identify sonographic features indicative of surgical intervention.
Main Methods:
- Retrospective analysis of 48 proven intussusception cases.
- Real-time sonographic examinations performed prior to barium enema reductions.
- Assessment of specific sonographic findings, including target and doughnut configurations, and exterior rim thickness.
Main Results:
- Four key sonographic findings were identified: target configuration, doughnut configuration, lack of movement, and exterior rim thickness.
- A statistically significant correlation was found between exterior rim thickness and the need for operative reduction (p = 0.0033).
- Cases with exterior rims >1.6 cm invariably required surgery, while those between 0.6-1.5 cm had variable outcomes.
Conclusions:
- Real-time sonography is a valuable tool for predicting surgical necessity in intussusception.
- Exterior rim thickness on ultrasound is a significant predictor of operative reduction needs.
- Sonographic findings can guide clinical decision-making and potentially reduce unnecessary barium enema procedures.