Introduction:

Acute appendicitis is the leading cause of surgical care in adult emergency services virtually worldwide. Appendectomy has been established as the gold standard of treatment.

Objective:

To evaluate the effectiveness of the RIPASA score for the diagnosis of acute appendicitis.

Methods:

An observational-prospective study of case series was carried out in patients diagnosed with acute appendicitis and who were applied the RIPASA score.

Results:

The RIPASA score showed an effectiveness of 90.38% of the cases studied with a diagnosis of acute appendicitis. The sample obtained consisted of eight women (5.13%) and 148 men (94.87%). Greater representativeness was evident in the ages between 18 and 20 years.

Conclusions:

Clinical scoring systems, such as the one used in this study, can be an inexpensive tool to be applied quickly in the emergency department to rule out acute appendicitis. This scoring system is dynamic, allowing critical observation and reassessment of the natural history of the condition. Its application improves diagnostic precision and, consequently, reduces negative appendectomies, as well as the onset of complications.

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