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Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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Related Experiment Video

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Ferromagnetic Bare Metal Stent for Endothelial Cell Capture and Retention
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First Experiences with the New Enterprise2® Stent.

C Herweh1, S Nagel2, J Pfaff3

  • 1Department of Neuroradiology, University of Heidelberg Medical Center, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany. christian.herweh@med.uni-heidelberg.de.

Clinical Neuroradiology
|September 29, 2016
PubMed
Summary
This summary is machine-generated.

The Enterprise2 (EP2) stent is effective for treating intracranial aneurysms and stenosis. However, sharp vessel curves greater than 50° may lead to incomplete stent apposition, impacting treatment outcomes.

Keywords:
AneurysmCoilingEndovascularEnterpriseStent

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Area of Science:

  • Neurosurgery
  • Interventional Neuroradiology
  • Vascular Surgery

Background:

  • Stent-assisted coiling is a standard treatment for wide-necked intracranial aneurysms.
  • The Enterprise VRD (EP-VRD) stent improved treatment outcomes.
  • The Enterprise2 (EP2) stent is the successor to the EP-VRD.

Purpose of the Study:

  • To evaluate the performance of the Enterprise2 (EP2) stent.
  • To assess EP2 stent use in stent-assisted coiling for aneurysms.
  • To assess EP2 stent use in treating atherosclerotic stenosis.

Main Methods:

  • Retrospective analysis of 11 consecutive patients.
  • 12 Enterprise2 (EP2) stents were used.
  • Treated 9 intracranial aneurysms and 2 stenoses.

Main Results:

  • Easy stent delivery and repositioning were achieved.
  • Kinking and flattening occurred in sharp carotid siphon curves (>50°).
  • Asymmetrical proximal marker arrangement was observed in curves >50° without affecting apposition.

Conclusions:

  • The Enterprise2 (EP2) stent performed well in this patient cohort.
  • Incomplete stent wall apposition may occur in vessels with acute angles >50°.
  • Further investigation is needed for optimal use in complex anatomies.