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Uncovered stent insertion for isolated superior mesenteric artery dissection.

Zhi-Qing Yang1, Lu-Bin Sun1, Gui-Rong Li2

  • 1Department of Emergency.

Medicine
|February 13, 2021
PubMed
Summary

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Uncovered stent insertion effectively treated isolated superior mesenteric artery dissection (SMAD) in 11 patients. This minimally invasive procedure showed high success rates, symptom relief, and no major complications, demonstrating favorable outcomes.

Area of Science:

  • Vascular Surgery
  • Interventional Cardiology
  • Gastroenterology

Background:

  • Superior mesenteric artery dissection (SMAD) is a rare condition.
  • Treatment options for SMAD can be complex, with varying outcomes.
  • Endovascular approaches are increasingly explored for arterial dissections.

Purpose of the Study:

  • To evaluate the clinical outcomes of patients with isolated SMAD treated with uncovered stent insertion.
  • To assess both short-term and long-term results of this endovascular technique.

Main Methods:

  • A retrospective analysis of 11 consecutive isolated SMAD patients treated between January 2016 and August 2019.
  • All patients underwent successful uncovered stent insertion at the dissection site.
  • Outcomes including procedural success, complications, symptom relief, and long-term patency were analyzed.

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Main Results:

  • Successful stent placement in all 11 patients with no procedure-related complications.
  • Median operative time was 60 minutes, with 100% patency of the distal SMA and its branches.
  • All patients reported symptom relief, and dissection obliteration was observed within 3 months.
  • No instances of stent occlusion, bowel ischemia, or anti-platelet-related bleeding occurred during a median follow-up of 22 months.

Conclusions:

  • Uncovered stent insertion is a safe and effective treatment for isolated SMAD.
  • This endovascular strategy yields favorable short- and long-term clinical outcomes.
  • The procedure demonstrates high technical success and good patient recovery.