Acute appendicitis: modern understanding of pathogenesis, diagnosis, and management

Aneel Bhangu, Kjetil Søreide, Salomone Di Saverio, Jeanette Hansson Assarsson, Frederick Thurston Drake

Research output: Contribution to journalArticlepeer-review

284 Citations (Scopus)

Abstract

Acute appendicitis is one of the most common abdominal emergencies worldwide. The cause remains poorly understood, with few advances in the past few decades. To obtain a confident preoperative diagnosis is still a challenge, since the possibility of appendicitis must be entertained in any patient presenting with an acute abdomen. Although biomarkers and imaging are valuable adjuncts to history and examination, their limitations mean that clinical assessment is still the mainstay of diagnosis. A clinical classification is used to stratify management based on simple (non-perforated) and complex (gangrenous or perforated) inflammation, although many patients remain with an equivocal diagnosis, which is one of the most challenging dilemmas. An observed divide in disease course suggests that some cases of simple appendicitis might be self-limiting or respond to antibiotics alone, whereas another type often seems to perforate before the patient reaches hospital. Although the mortality rate is low, postoperative complications are common in complex disease. We discuss existing knowledge in pathogenesis, modern diagnosis, and evolving strategies in management that are leading to stratified care for patients.

Original languageEnglish
Pages (from-to)1278-1287
Number of pages10
JournalThe Lancet
Volume386
Issue number10000
Early online date25 Sep 2015
DOIs
Publication statusPublished - 26 Sep 2015

Keywords

  • Appendectomy
  • Appendicitis
  • Diagnosis, Differential
  • Humans
  • Journal Article
  • Review

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