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Imaging trends in suspected appendicitis-a Canadian perspective
Victoria F Tan1, Michael N Patlas2,3, Douglas S Katz4
1Division of Emergency/Trauma Radiology, Department of Radiology, McMaster University, Hamilton, ON, Canada.
Emergency Radiology
|December 10, 2016
Summary
Canadian academic centers show varied imaging trends for suspected appendicitis, with computed tomography (CT) and ultrasound (US) being common first-line choices, despite established guidelines. This heterogeneity highlights the need for standardized imaging protocols.
Area of Science:
- Radiology
- Medical Imaging
- Emergency Medicine
Background:
- Appendicitis diagnosis relies heavily on medical imaging.
- Standardized imaging protocols are crucial for efficient patient care and resource allocation.
Purpose of the Study:
- To evaluate current trends in imaging modalities used for suspected appendicitis in Canadian academic emergency departments.
- To identify variations in imaging practices based on patient demographics and resource availability.
Main Methods:
- A survey was distributed to radiologists at 17 Canadian academic centers.
- Data collection occurred over a four-month period (October 2015 - February 2016).
Main Results:
- Sixteen centers responded, revealing diverse first-line imaging choices.
- Computed tomography (CT) with IV contrast was favored by 73% for general cases.
- Ultrasound (US) was the preferred initial modality for pregnant patients (81%) and younger adults (69%).
- Magnetic resonance imaging (MRI) was used at the discretion of radiologists in 40% of centers.
Conclusions:
- Significant heterogeneity exists in the initial imaging modalities for suspected appendicitis across Canadian academic centers.
- Imaging trends vary based on patient demographics and local resource availability.
- Standardization of imaging algorithms is recommended to improve consistency and planning.
