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Related Concept Videos

Aneurysm I: Introduction01:30

Aneurysm I: Introduction

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An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
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Aneurysm III: Interprofessional Care01:26

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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...
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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Esophageal Varices-II: Clinical Features and Management01:28

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Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
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Related Experiment Video

Updated: Aug 14, 2025

Laparoscopic Anatomical Liver Segment VII Resection with Liver Parenchymal Transection Following a Priority Approach
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Post-traumatic Liver Pseudoaneurysms: Rare but Serious Sequela.

George J Ventro1, Laura M Adams1, Jay J Doucet1

  • 1Division of Trauma, Surgical Critical Care, Burns, and Acute Care Surgery, Department of Surgery, University of California San Diego School of Medicine, San Diego, California.

The Journal of Surgical Research
|January 18, 2023
PubMed
Summary

Liver injuries can lead to pseudoaneurysms (PSAs), especially after penetrating trauma. This study found a low PSA incidence but suggests follow-up imaging may be crucial for penetrating injuries.

Keywords:
Abdominal traumaLiver traumaPseudoaneurysm

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Area of Science:

  • Trauma Surgery
  • Abdominal Imaging
  • Vascular Surgery

Background:

  • The liver is frequently injured in blunt abdominal trauma, with nonoperative management standard for stable patients.
  • Liver injuries, particularly high-grade ones, can lead to pseudoaneurysms (PSAs), posing a risk of rupture and severe bleeding.
  • Current guidelines lack consensus on predischarge CT screening for PSAs and identifying high-risk patients.

Purpose of the Study:

  • To determine the incidence of pseudoaneurysms (PSAs) in liver trauma patients.
  • To identify potential risk factors associated with PSA formation after liver injury.

Main Methods:

  • Retrospective review of a Level 1 urban trauma center's registry (2015-2021).
  • Analysis of demographic data, CT scan timing and findings, interventions, and complications.
  • Assessment of liver injury grade and PSA frequency, with odds ratio calculation for risk factors.

Main Results:

  • A total of 172 patients with liver injuries were identified.
  • Six out of 130 patients (6.5%) who received follow-up CT scans developed PSAs.
  • Four of the six PSAs (66.7%) occurred in patients with penetrating liver injuries (odds ratio, 6.95).

Conclusions:

  • The incidence of pseudoaneurysms (PSAs) in liver trauma is low, aligning with existing literature.
  • Penetrating liver injuries appear to be a significant risk factor for PSA development.
  • Further research with larger cohorts is needed to establish optimal screening protocols and identify high-risk individuals.