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Related Concept Videos

Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

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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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IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
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A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...
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Related Experiment Video

Updated: Apr 16, 2026

Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
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Deficiencies with current aortic endografts.

C J Buckley1, S D Buckley

  • 1Division of Vascular Surgery, Scott & White Healthcare, Temple, TX, USA - sbuckley@sw.org.

The Journal of Cardiovascular Surgery
|March 3, 2015
PubMed
Summary
This summary is machine-generated.

Endovascular aortic aneurysm repair (EVAR) is now standard, but current devices have high re-intervention rates due to migration, endoleak, and limb occlusion. Investigational devices in trials show promise for improving endograft performance and reducing complications.

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Area of Science:

  • Vascular Surgery
  • Medical Device Technology
  • Interventional Cardiology

Background:

  • Endovascular aortic aneurysm repair (EVAR) is the preferred treatment for abdominal aortic and common iliac artery aneurysms.
  • Despite improvements, current EVAR devices face challenges like device migration, endoleak, and limb occlusion.
  • These limitations contribute to relatively high secondary intervention rates.

Purpose of the Study:

  • To review the current state of EVAR devices.
  • To identify persistent challenges with existing endograft technology.
  • To highlight the potential of investigational devices in clinical trials.

Main Methods:

  • Review of current literature on EVAR devices and outcomes.
  • Analysis of common complications associated with EVAR.
  • Discussion of emerging endograft technologies in clinical trials.

Main Results:

  • EVAR has largely replaced open repair but has persistent issues.
  • Device migration, endoleak, and limb occlusion remain significant challenges.
  • Investigational devices are being developed to address these endograft deficiencies.

Conclusions:

  • Current EVAR technology requires further innovation to overcome limitations.
  • Investigational devices offer potential solutions for improving EVAR success rates.
  • Future research should focus on the clinical efficacy of novel endografts.