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Diagnosis of appendicitis in adults by ultrasonography or computed tomography: A systematic review and meta-analysis

Published online by Cambridge University Press:  04 August 2005

Adèle R. Weston ,
Terri J. Jackson  and
Stephen Blamey
Adèle R. Weston
Affiliation:
Health Technology Analysts Pty Ltd.
Terri J. Jackson
Affiliation:
LaTrobe University
Stephen Blamey
Affiliation:
Monash Medical Centre
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Abstract

Objectives: The use of ultrasonography and computed tomography (CT) in the diagnosis of appendicitis in adult patients was compared.

Methods: Systematic review and meta-analysis of current evidence in two clinical situations: unselected nonpregnant, adult patients with symptoms of appendicitis, and more selective use in only those patients who still have an equivocal diagnosis subsequent to routine clinical investigations.

Results: Meta-analysis of eligible studies shows CT to have better sensitivity and specificity than ultrasound in both clinical situations.

Conclusions: Application of these findings in clinical practice and/or policy would need to evaluate the better diagnostic performance of CT against its cost and availability. In addition, it is imperative that future studies be conducted in patient populations that are well-defined with respect to prior investigations. Sequelae of false-negative and false-positive diagnoses should also be evaluated.

Keywords

AppendicitisDiagnosisSpiral computed tomographyUltrasonographyAcademic review
Type
GENERAL ESSAYS
Information
International Journal of Technology Assessment in Health Care , Volume 21 , Issue 3 , July 2005 , pp. 368 - 379
Copyright
© 2005 Cambridge University Press

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