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Appendicitis-II: Diagnostic Studies and Management01:29

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Diagnosing and managing appendicitis requires a structured and comprehensive approach that spans from initial assessment to postoperative care. Here is an overview of the process:
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Related Experiment Video

Updated: Jul 18, 2025

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Appendicolith appendicitis: should we be operating sooner? A retrospective cohort study.

A G Taib1,2, A Kler1,3, M Prayle1

  • 1Wrightington, Wigan and Leigh Teaching Hospitals NHS Foundation Trust, UK.

Annals of the Royal College of Surgeons of England
|August 23, 2023
PubMed
Summary

Appendicitis patients with an appendicolith face a higher risk of complicated appendicitis within 12 hours. Early appendicectomy is recommended for those with appendicoliths to prevent perforation.

Keywords:
AppendectomyAppendicitisHumansRetrospective studiesTomography, X-ray computer

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Area of Science:

  • General Surgery
  • Emergency Medicine
  • Radiology

Background:

  • Delaying appendicectomy up to 24 hours is generally safe.
  • Appendicoliths are known risk factors for appendicitis perforation.
  • The time-dependent relationship between appendicoliths and perforation risk is understudied.

Purpose of the Study:

  • To investigate the hypothesis that appendicolith presence, confirmed by preoperative CT (pCT), shortens the time to complicated appendicitis.
  • To explore the temporal association between appendicolith presence and the development of complicated appendicitis.

Main Methods:

  • Retrospective single-centre cohort study of 310 patients admitted between 2018-2020.
  • Inclusion criteria: age ≥18, appendicitis confirmed by histopathology, and pCT scan.
  • Complicated appendicitis defined as abscess, gangrene, or perforation on intraoperative findings.

Main Results:

  • Appendicoliths were present in 25.5% of patients and identified as a significant risk factor for perforation (OR 3.50, p=0.027).
  • Patients with appendicoliths had a significantly higher proportion of complicated appendicitis within 12 hours of admission (56.7% vs 43.3%, p=0.003).
  • Appendicolith presence increased the likelihood of complicated appendicitis within 12 hours by 2.05 times (95% CI 1.28-3.29).

Conclusions:

  • Appendicitis with appendicoliths warrants consideration for early appendicectomy.
  • Further large-scale multicentre prospective studies are needed to validate these findings and inform clinical guidelines.