Related Experiment Video
Updated: Jun 19, 2026
07:31
A Model of Cardiac Remodeling Through Constriction of the Abdominal Aorta in Rats
Published on: December 2, 2016
9.9K
Changes in Abdominal Artery Diameter in Patients Treated for Acute Aortic Dissection
Marian Burysz1,2,3,4, Radosław Litwinowicz1,2,3,4, Mariusz Kowalewski3,5,6
1Department of Cardiac Surgery, Regional Specialist Hospital, 86-300 Grudziądz, Poland.
Journal of Cardiovascular Development and Disease
|April 25, 2025
Summary
Acute aortic dissection (AAD) impacts visceral artery diameter, increasing risks of mesenteric ischemia. Post-operative changes in superior mesenteric and renal arteries were noted, with higher inferior mesenteric artery occlusion in AAD patients.
Area of Science:
- Vascular Surgery
- Cardiovascular Imaging
- Abdominal Aortic Aneurysm
Background:
- Mesenteric ischemia elevates intraoperative mortality in acute aortic dissection (AAD).
- Arterial diameter influences blood flow and resistance, but AAD-related diameter changes are unstudied.
- Non-occlusive intestinal ischemia shows arterial diameter alterations.
Purpose of the Study:
- To compare abdominal aortic arterial branch diameters in AAD patients preoperatively and postoperatively.
- To investigate the impact of AAD on visceral artery dimensions.
Main Methods:
- Retrospective analysis of contrast-enhanced CT scans from 25 AAD patients.
- Patients underwent the frozen elephant trunk procedure.
- Detailed medical data and scan reconstructions were utilized.
Main Results:
- Significant preoperative vs. postoperative diameter changes in superior mesenteric and renal arteries (p < 0.001) in non-AAD patients.
- Increased inferior mesenteric artery occlusion in AAD patients involving the abdominal aorta.
- Significant true and false lumen differences observed throughout the abdominal aorta post-procedure.
Conclusions:
- Visceral artery diameters change significantly at the abdominal aorta in both AAD and non-AAD patients.
- Lack of arterial diameter adjustment may link to chronic or non-occlusive mesenteric ischemia.
- AAD patients with abdominal aortic involvement face higher risk of inferior mesenteric artery occlusion.
More Related Videos
Related Concept Videos
01:22Aortic Regurgitation II: Clinical Features and Diagnostic Tests
Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
01:21Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
01:21Aneurysm II: Clinical Manifestations and Diagnostic Studies
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...
01:26Aneurysm 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...
01:22Aneurysm IV: Nursing Management
Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...