Related Experiment Video

Updated: Nov 9, 2025

Clinical Application of Single-Surgeon, Three-Port, Laparoscopic Resection for Colorectal Cancer with Natural Orifice Specimen Extraction
08:26

Clinical Application of Single-Surgeon, Three-Port, Laparoscopic Resection for Colorectal Cancer with Natural Orifice Specimen Extraction

Published on: March 24, 2023

889

Risk of emergency surgery for complicated appendicitis: Japanese nationwide study

Takeshi Yamada1, Hideki Endo2, Hiroshi Hasegawa3

  • 1Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery Nippon Medical School Tokyo Japan.

Annals of Gastroenterological Surgery
|April 16, 2021
PubMed

Insights

Complicated appendicitis (CA) surgery has higher complication rates than uncomplicated appendicitis (UA). Elective appendectomy (EA) shows significantly lower risks for all appendicitis types.

Area of Science:

  • Gastroenterology
  • Surgical Outcomes
  • Public Health

Background:

  • Appendicitis is classified as complicated (CA) or uncomplicated (UA).
  • Interval appendectomy (IA) reduces complications in pediatric CA cases.
  • The comparative risk of emergency surgery for CA versus UA in adults requires clarification.

Purpose of the Study:

  • To compare complication and mortality rates between emergency surgery for CA and UA in adults.
  • To evaluate the risk associated with elective appendectomy (EA) for chronic/recurrent appendicitis.

Main Methods:

  • Retrospective cohort study of adult appendectomy patients from the National Clinical Database (2014-2016).
  • Groups included: CA (emergency surgery), UA, and EA (elective surgery).
  • Primary outcomes: 30-day all morbidity, serious morbidity, and mortality.

Main Results:

  • The CA group had significantly higher rates of all morbidity, serious morbidity, and mortality compared to the UA group.
  • The EA group demonstrated significantly lower rates of all outcomes compared to both CA and UA groups.
  • Study included 109,256 patients: 14,798 CA, 86,876 UA, and 7,582 EA.

Conclusions:

  • Emergency surgery for complicated appendicitis (CA) presents a higher risk to adult patients.
  • Elective appendectomy (EA) is associated with significantly lower risks compared to emergency surgery for both CA and UA.
Abstract

Keywords:
appendicitiscomplicated appendicitismorbiditymortalityuncomplicated appendicitis

More Related Videos

Mixed Reality Assisted Radical Endoscopic Thyroidectomy08:06

Mixed Reality Assisted Radical Endoscopic Thyroidectomy

Published on: January 31, 2025

493
Author Spotlight: Advancements in Retroperitoneal Approach for Necrotizing Pancreatitis03:42

Author Spotlight: Advancements in Retroperitoneal Approach for Necrotizing Pancreatitis

Published on: March 15, 2024

829

Related Concept Videos

Appendicitis-II: Diagnostic Studies and Management01:29

Appendicitis-II: Diagnostic Studies and Management

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...
226
Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

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...
977
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
83