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SAS Journal of Surgery | Volume-3 | Issue-01
Evaluating the efficacy of Modified Alvarado Scoring System in diagnosing Acute Appendicitis in the Emergency Department
Goutham P. Selvam, Ramya Ramakrishnan, Srihari Cattamanchi, Jagadeesan Subramanian, Ramakrishnan V. Trichur
Published: Jan. 30, 2017 |
183
127
DOI: 10.36347/sasjs
Pages: 30-34
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Abstract
Acute Appendicitis is a common surgical case a surgeon confronts in the Emergency Department (ED). Early
diagnosis is essential to prevent morbidity and mortality in patients with acute appendicitis. The aim of this study was to
evaluate the efficacy of the Modified Alvarado Scoring System in diagnosing Acute Appendicitis in the ED. This was a
prospective, observational study of patients presenting with complaints of acute pain in right lower abdomen to the ED.
All consecutive patients of both sexes, ≥ 18 years of age, and presenting with a history of right lower abdomen pain were
included in the study. Patients with right lower abdomen pain diagnosed to have urological or gynecological pathology or
a mass in the right iliac fossa were excluded. Patients with suspected acute appendicitis were assessed using Modified
Alvarado Scoring System. Treatment decision was made by the treating surgeon. HPE reports of all the patients were
recorded. On analyzing the results, a total of 60 patients were enrolled. Modified Alvarado score showed that 76.3% (45)
patients were positive for acute appendicitis, whereas the HPE report showed 74.5% (44) were positive for acute
appendicitis, with a sensitivity of 90.9%, specificity of 66.66%, PPV of 88.88%, NPV of 71.42% and a negative
appendectomy rate of 16.6%. The comparison was statistically significant with a p-value of 0.001. In conclusion, the
Modified Alvarado Score is a swift, simplistic, and dependable diagnostic modality in the diagnosis of Acute
Appendicitis. Being non-invasive, it is a practical and economical scoring system which improves diagnostic accuracy of
acute appendicitis in the ED.