• Y Pouget-Baudry, S Mucci, E Eyssartier, A Guesdon-Portes, P Lada, C Casa, J-P Arnaud, and A Hamy.
• Endocrine and gastrointestinal surgery service, CHU of Angers, 4 rue Larrey, Angers cedex, France.
• J Visc Surg. 2010 Apr 1; 147 (2): e40-4.

Aim Of The StudyThe Alvarado score is a validated test in clinical adult surgery practice which can be helpful in the diagnosis of acute appendicitis. This study aimed to assess the reliability and the reproducibility of this score for patients presenting in the emergency room with acute right lower quadrant abdominal pain.Material And MethodsA prospective monocenter study included all adults who presented in the emergency room with right lower quadrant abdominal pain. The score was calculated by assessing six symptoms and two laboratory values weighted by coefficients. The diagnosis of acute appendicitis was confirmed by the histological examination of the resected appendix. Three groups of patients with high, low, and intermediate scores were defined as described in the literature.ResultsOf the 233 patients studied, 174 underwent surgery: three had a normal appendix on histological exam. The statistical analysis of the results showed that a score lower than 4 was significantly associated with the absence of acute appendicitis while a score higher than 6 was significantly associated with acute appendicitis which required surgical care. But a score between 4 and 6 was not discriminant.ConclusionThe Alvarado score is a reliable, cheap and reproducible tool for the diagnosis of acute appendicitis in the emergency room; if the score is higher than 6 or lower than 4, there is no need for complementary exams. Patients with a score between 4 and 6, require serial reassessment of physical findings and score over 24 hours and/or complementary diagnostic exam such as ultrasound or CT scan.Copyright (c) 2010 Elsevier Masson SAS. All rights reserved.

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