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Implementing an ultrasound-based protocol for diagnosing appendicitis while maintaining diagnostic accuracy
Angela J van Atta1, Henry J Baskin, Connie K Maves
1University of Utah School of Medicine, Salt Lake City, UT, USA.
Implementing a pediatric appendicitis ultrasound (US) protocol in nonacademic settings improved visualization and reduced CT use. Diagnostic accuracy remained high, decreasing costs and unnecessary surgeries.
Area of Science:
- Pediatric Radiology
- Medical Imaging
- Diagnostic Ultrasound
Background:
- Ultrasound (US) for pediatric appendicitis is underutilized in nonacademic US centers.
- Barriers include reliance on established CT protocols and institutional limitations.
Purpose of the Study:
- To describe overcoming barriers to implementing a US-based appendicitis protocol in private-practice pediatric radiology.
- To maintain diagnostic accuracy and reduce medical costs.
Main Methods:
- A multidisciplinary team developed a US-first protocol with CT for equivocal cases.
- Addressed radiologist/sonographer experience and availability.
- Coded US reports and compared with clinical outcomes for accuracy.
Main Results:
- 512 children evaluated over 30 months; diagnostic accuracy comparable to US/CT protocols.
- Unequivocal US results increased from 30% to 53% over the study.
- CT use decreased by 63%, saving $30,182 annually.
Conclusions:
- Barriers to US protocol implementation were successfully overcome.
- Improved appendix visualization and decreased CT utilization.
- Maintained diagnostic accuracy while reducing costs.
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