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Justifying multidetector CT in abdominal sepsis: time for review?
S Meeson1, C M Alvey, S J Golding
1Radiology Group, Nuffield Department of Surgery, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, UK. stuart.meeson@nds.ox.ac.uk
The British Journal of Radiology
|October 29, 2008
Summary
Multidetector row CT (MDCT) effectively diagnoses abdominal sepsis with high accuracy. However, optimizing radiation exposure through dose constraints is crucial, especially with repeat examinations.
Area of Science:
- Radiology
- Medical Imaging
- Abdominal Sepsis Diagnosis
Background:
- Advancements in multidetector row CT (MDCT) necessitate re-evaluation of radiation exposure.
- Existing literature on CT for abdominal sepsis lacks recent updates.
Purpose of the Study:
- To assess the diagnostic accuracy of MDCT in detecting causes of abdominal sepsis.
- To evaluate radiation dose parameters and identify areas for dose reduction.
Main Methods:
- Literature review on MDCT in abdominal sepsis diagnosis.
- Retrospective analysis of 94 MDCT scans from patients with abdominal sepsis symptoms.
- Recording of dose-length product (DLP) and volume CT dose index.
Main Results:
- MDCT demonstrated high diagnostic accuracy for abdominal sepsis (sensitivity 0.95, specificity 0.91).
- Repeat examinations and cumulative radiation exposure were significant findings.
- Diverticular disease patients had lower cumulative DLP and shorter hospital stays compared to abscess and pancreatitis patients.
Conclusions:
- 16-slice MDCT is a suitable imaging modality for abdominal sepsis.
- Opportunities exist to implement dose constraints to optimize patient radiation exposure.
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