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Related Concept Videos

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...
Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
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...
Cholecystitis01:20

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Cholecystitis is inflammation of the gallbladder, most commonly caused by obstruction of the cystic duct. This blockage prevents bile from draining, leading to gallbladder distension, inflammation, and potentially serious complications. This condition may present acutely or chronically and can happen with or without gallstones.EtiologyAbout 95% of cholecystitis cases are calculous, caused by gallstones blocking the cystic duct, leading to bile accumulation and inflammation of the gallbladder...
Abdominal Regions and Quadrants01:19

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To promote clear communication, for instance, about the location of a patient's abdominal pain or a suspicious mass, anatomists and clinicians typically use imaginary lines to categorize the abdominopelvic cavity into either four quadrants or nine regions to identify organs in the cavity.
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The Availability Heuristic01:08

The Availability Heuristic

A heuristic is a general problem-solving framework (Tversky & Kahneman, 1974). You can think of these as mental shortcuts that are used to solve problems. Different types of heuristics are used in different types of situations, and the impulse to use a heuristic occurs when one of five conditions is met (Pratkanis, 1989):

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Updated: Jun 10, 2026

Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch
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Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch

Published on: August 24, 2019

"July effect" and appendicitis.

Arezou Yaghoubian1, Christian de Virgilio, Vicki Chiu

  • 1Department of Surgery, Harbor-UCLA Medical Center, Torrance, California 90509, USA.

Journal of Surgical Education
|July 16, 2010
PubMed
Summary
This summary is machine-generated.

Surgical residents starting in July do not increase patient risk for appendicitis complications. Outcomes like infection and length of stay were similar, showing emergency appendicitis surgery is safe early in the training year.

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Area of Science:

  • Medical research
  • Surgical outcomes
  • Public health

Background:

  • Patient concerns exist regarding surgical resident inexperience at teaching hospitals.
  • July marks the beginning of residency training, a period of perceived increased risk.
  • Assessing appendicitis management outcomes at the start of the academic year is crucial.

Purpose of the Study:

  • To determine if morbidity associated with appendicitis management is higher at the beginning of the academic year.
  • To compare surgical outcomes for appendicitis cases in July/August versus other months.

Main Methods:

  • Retrospective review of 4325 appendicitis cases (1998-2007) at two public teaching hospitals.
  • Comparative analysis of outcomes between July/August and the remainder of the academic year.
  • Key outcome variables included wound infection, postoperative abscess drainage, and length of hospitalization.

Main Results:

  • No significant differences in patient demographics or appendiceal perforation rates were observed between July/August and other periods.
  • Wound infection rates, postoperative abscess drainage rates, and length of hospitalization were similar across all analyzed periods.
  • Appendicitis management outcomes are comparable regardless of the time of year.

Conclusions:

  • Appendicitis outcomes are not adversely affected by the start of the academic year.
  • Emergency surgery for acute appendicitis can be safely performed early in the surgical training year.
  • Findings suggest resident inexperience at the start of training does not negatively impact appendicitis care.