Randomized clinical trial of Appendicitis Inflammatory Response score‐based management of patients with suspected appendicitis. BJS 2017; 104: 1451-1461.
Published: 21st July 2017
Authors: M. Andersson, B. Kolodziej, R. E. Andersson, R. E. Andersson, M. Andersson, T. Eriksson et al.
The role of imaging in the diagnosis of appendicitis is controversial. This prospective interventional study and nested randomized trial analysed the impact of implementing a risk stratification algorithm based on the Appendicitis Inflammatory Response (AIR) score, and compared routine imaging with selective imaging after clinical reassessment.
The baseline period included 1152 patients, and the intervention period 2639, of whom 1068 intermediate‐risk patients were randomized. In low‐risk patients, use of the AIR score‐based algorithm resulted in less imaging (19·2
AIR score‐based risk classification can safely reduce the use of diagnostic imaging and hospital admissions in patients with suspicion of appendicitis. Registration number: NCT00971438 (
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