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A model predicting perforation and complications in paediatric appendicectomy

Obinna Obinwa1, Colin Peirce, Michael Cassidy

  • 1Department of Surgery, Portiuncula Hospital, Ballinasloe, County Galway, Ireland, obinnaobinwa@rcsi.ie.

International Journal of Colorectal Disease
|January 23, 2015
PubMed

Insights

Early detection of advanced appendicitis is crucial. Preoperative fever, anorexia, and rebound tenderness, along with a high white blood cell (WBC) count, are key indicators for advanced appendicitis in children.

Area of Science:

  • Pediatric Surgery
  • Clinical Diagnostics
  • Medical Research

Background:

  • Appendicitis is a common surgical emergency in children.
  • Early and accurate diagnosis of advanced appendicitis (perforation, mass, abscess) is critical to prevent complications.
  • Simple clinical measurements can aid in early detection.

Purpose of the Study:

  • To evaluate the diagnostic value of simple clinical measurements for early detection of advanced appendicitis in pediatric patients.
  • To identify predictors of advanced appendicitis and associated postoperative complications.

Main Methods:

  • Retrospective analysis of 1037 pediatric appendectomies over 14 years.
  • Evaluation of preoperative symptoms, signs, laboratory results, and intra-operative findings.
  • Use of Receiver Operating Characteristic (ROC) curves and multivariate logistic regression to determine predictor accuracy.

Main Results:

  • Advanced appendicitis occurred in 11.9% of cases (8.5% perforation, 3.4% abscess).
  • Preoperative temperature ≥37.5 °C was the most discriminatory factor for advanced appendicitis.
  • Other significant predictors included WBC count ≥15,100/μL, anorexia, and rebound tenderness.
  • Postoperative complications (7.1%) were associated with fever and advanced appendicitis.

Conclusions:

  • While individual clinical predictors lack perfect accuracy, preoperative pyrexia is strongly linked to advanced appendicitis.
  • Fever is also associated with increased risk of postoperative complications.
  • Preoperative fever may indicate the need for prompt antibiotic treatment, imaging, and surgical intervention.
Abstract

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