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Related Concept Videos

Appendicitis-II: Diagnostic Studies and Management01:29

Appendicitis-II: Diagnostic Studies and Management

288
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:
Diagnosing Appendicitis
It requires a multifaceted approach, starting with a detailed physical examination to pinpoint the location and nature of the pain and identify any associated symptoms. Laboratory tests play a crucial role. A complete Blood Count (CBC) typically reveals leukocytosis (an increased number of...
288
Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

1.4K
The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...
1.4K

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DIALAPP: a prospective validation of a new diagnostic algorithm for acute appendicitis.

Patrizia Malkomes1, Franziska Edmaier2, Juliane Liese3

  • 1Department of General, Visceral and Transplant Surgery, University Hospital Frankfurt, Goethe University, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany. Patrizia.Malkomes@kgu.de.

Langenbeck'S Archives of Surgery
|November 19, 2020
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Summary

This study introduces a diagnostic pathway for suspected appendicitis, significantly reducing negative appendectomy rates to 5.8% and improving diagnostic accuracy. The algorithm optimizes healthcare costs by minimizing CT scan use.

Keywords:
Acute appendicitisClinical trialDiagnostic algorithmNegative appendectomy rateRisk-stratification

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Area of Science:

  • Emergency Medicine
  • Surgical Diagnostics
  • Clinical Pathway Development

Background:

  • Management of suspected appendicitis presents clinical challenges with persistent negative appendectomy rates (NAR) between 10-15%.
  • Optimal diagnostic algorithms for acute appendicitis are still under debate in clinical practice.
  • A prospective study was conducted to evaluate a novel diagnostic pathway.

Purpose of the Study:

  • To assess the accuracy of a diagnostic pathway for acute appendicitis.
  • To reduce the negative appendectomy rate (NAR) to below 10%.
  • To evaluate the pathway's impact on CT scan utilization and healthcare costs.

Main Methods:

  • A prospective study included 183 adult patients with suspected appendicitis (November 2015 - September 2017).
  • The pathway incorporated clinical risk stratification (Alvarado score), routine ultrasonography, and selective CT scans.
  • Gynecological consultation was used for female patients, followed by clinical reassessment.

Main Results:

  • The implemented diagnostic pathway achieved a NAR of 5.8% (4 out of 69 appendectomies).
  • Diagnostic pathway sensitivity was 100% and specificity was 96.6%.
  • CT scan utilization decreased to 19.7%, with potential cost savings of €19.8 million per 100,000 cases.

Conclusions:

  • The risk-stratified diagnostic algorithm demonstrates high accuracy in diagnosing suspected appendicitis.
  • Implementation safely reduces NAR and CT scan usage.
  • The pathway optimizes healthcare costs for acute appendicitis treatment.