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Related Concept Videos

Appendicitis-II: Diagnostic Studies and Management01:29

Appendicitis-II: Diagnostic Studies and Management

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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:
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...
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Appendicitis-I: Introduction01:22

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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...
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Defining the optimal time to appendectomy: A step toward precision surgery.

Tousif Kabir1, Nicholas L Syn2, Vera Shaw1

  • 1Department of General Surgery, Sengkang General Hospital, Singapore.

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Summary

Optimal appendectomy timing is 11-25 hours post-admission for most patients. Delays beyond this window increase risks for lengthier hospital stays and readmissions, especially in vulnerable patient groups.

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Area of Science:

  • Surgical Outcomes
  • Appendicitis Management

Background:

  • Appendicitis is a common surgical emergency.
  • Timely appendectomy is crucial for favorable outcomes.
  • Optimal surgical timing remains debated.

Purpose of the Study:

  • To investigate the association between time from admission to appendectomy and perioperative outcomes.
  • To determine optimal time-to-surgery windows for appendectomy.
  • To identify patient subgroups at higher risk for adverse outcomes with surgical delays.

Main Methods:

  • Retrospective review of 621 appendectomies (July 2018 - May 2020).
  • Comparison of perioperative outcomes using preselected time-to-surgery cut-offs.
  • Analysis of optimal safe windows and identification of high-risk subgroups.

Main Results:

  • A time-to-surgery of ≥12 hours was linked to longer length of stay and higher 30-day readmission risk.
  • Delays beyond 25 hours increased odds of open conversion and prolonged operation/postoperative stay.
  • Time-to-surgery beyond 11 hours elevated 30-day readmission odds.
  • Older patients, ASA scores II-III, and prolonged preadmission symptoms worsened outcomes with delays.

Conclusions:

  • Safe windows for appendectomy are generally 11-25 hours post-admission.
  • Certain patient subgroups (elderly, higher ASA, prolonged symptoms) tolerate delays less well.
  • Personalized management considering patient factors and surgical timing is recommended.