Clinical features of complicated acute appendicitis

Area of Science:

• Medical research
• Surgical outcomes
• Clinical diagnostics

Background:

• Acute appendicitis is a common surgical emergency.
• Complicated appendicitis (gangrenous or perforation) is associated with increased morbidity.
• Accurate early identification of complicated appendicitis is crucial for timely intervention.

Purpose of the Study:

• To identify clinical features predicting complicated acute appendicitis.
• To evaluate the association between specific symptoms, signs, and laboratory findings and complicated appendicitis.
• To provide tools for risk stratification of acute appendicitis patients.

Main Methods:

• Retrospective analysis of adult patients undergoing appendectomy for acute appendicitis.
• Inclusion of consecutive cases from 2005-2010 at Songklanagarind Hospital.
• Multivariate analysis to determine independent predictors of complicated appendicitis.

Main Results:

• Out of 924 patients, 27.6% had complicated appendicitis.
• Key predictors for complicated appendicitis included: age >60 years, symptom duration >12 hours, anorexia, fever >38°C, generalized tenderness, guarding, bandemia, pyuria, urine specific gravity >1.020, and prolonged pre-operative duration.
• Duration of symptoms >12 hours (OR 3.29) and generalized tenderness (OR 5.36) were strongly associated with complicated appendicitis.

Conclusions:

• Ten clinical features can predict the risk of complicated appendicitis.
• Duration of symptoms, body temperature, and generalized tenderness are significant predictors.
• These findings offer valuable tools for managing acute appendicitis, especially in resource-limited environments.