DIAGNOSTIC ACCURACY OF CLINICAL EXAMINATION VERSUS COMBINATION OF ABDOMINAL ULTRASOUND AND ALVARADO SCORE, IN PATIENTS WITH ACUTE APPENDICITIS

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Nadeem Ali Shah
Muhammad Islam
Iram Ali Sabir
Tahira Mehreen
Mumtaz Khan

Abstract

Objective: To compare the diagnostic accuracy of clinical examination with that of a diagnostic protocol

consisting of ultrasound and Alvarado score in patients with acute appendicitis.

Material and Methods: A study comparing clinical diagnosis (control group) with a diagnostic protocol

incorporating Ultrasound and Alvarado score (intervention group) was conducted in surgical A ward Lady

Reading Hospital from February 2004 to March 2006. Total of 308 patients with suspected acute

appendicitis were considered for the study.158 patients were randomized to control group and 150 patients

to intervention group. Alvarado scoring system assessed all of 150 patient of the intervention group and

130 of these patients underwent ultrasound. The main out come measured were, time to operation, hospital

stay, any adverse out come, negative appendicectomy and delayed operation leading to perforation.

Results: Sensitivity and specificity of ultrasound and Alvarado scoring system were 97.91% and 75%,

respectively. Patient in intervention group who underwent therapeutic operation had a significantly shorter

mean time to operation than the patients in the control group (6.9 Vs 10.1 hours).

There were no difference between groups in mean duration of hospital stay (61.3 Vs 62.5 hours),

proportion of patients undergoing non therapeutic operations (1.33% Vs 4.33%) or delayed treatment in

association with perforation of the appendix (3.33% Vs 11.9%).

Conclusion: Ultrasound and the Alvarado scoring system is a diagnostic tool that leads to an early

diagnosis and rapid surgical treatment of acute appendicitis. However it does not prevent complications or

reduce the length of hospital stay.

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How to Cite
1.
Shah NA, Islam M, Sabir IA, Mehreen T, Khan M. DIAGNOSTIC ACCURACY OF CLINICAL EXAMINATION VERSUS COMBINATION OF ABDOMINAL ULTRASOUND AND ALVARADO SCORE, IN PATIENTS WITH ACUTE APPENDICITIS. J Postgrad Med Inst [Internet]. 2011 Aug. 15 [cited 2023 Mar. 25];22(1). Available from: https://jpmi.org.pk/index.php/jpmi/article/view/247
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