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Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...
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Related Experiment Video

Updated: Mar 18, 2026

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Treatment Strategy for Persistent Sciatic Artery and Novel Classification Reflecting Anatomic Status.

S Ahn1, S-K Min1, S-I Min1

  • 1Department of Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea.

European Journal of Vascular and Endovascular Surgery : the Official Journal of the European Society for Vascular Surgery
|July 3, 2016
PubMed
Summary

Persistent sciatic artery (PSA) is a rare vascular variant. A new classification system aids management, emphasizing aneurysm presence as key for surgical decisions in PSA cases.

Keywords:
AneurysmAnomalyBypassPersistent sciatic artery

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Area of Science:

  • Vascular Surgery
  • Congenital Anomalies
  • Medical Imaging

Background:

  • Persistent sciatic artery (PSA) is a rare congenital vascular anomaly with variable clinical presentations.
  • Understanding PSA anatomy and its relation to clinical outcomes is crucial for effective management.

Purpose of the Study:

  • To analyze the relationship between persistent sciatic artery anatomy and clinical presentation.
  • To propose an optimal management strategy for persistent sciatic artery based on a new classification system.

Main Methods:

  • Computed tomography (CT) diagnosed 24 PSAs in 19 patients between 2001 and 2014.
  • Literature review of 224 PSAs from 1964 to 2014 using PubMed.
  • Assessment of patient demographics, PSA types, aneurysms, symptoms, and treatments.

Main Results:

  • Type 2a PSA was the most common variant (62.5%).
  • This study observed a higher PSA occlusion rate (41.7%) but lower aneurysm incidence (20.8%) compared to literature.
  • A new classification system identified Class III as most common (75%), with aneurysm presence significantly influencing surgical treatment decisions.

Conclusions:

  • A proposed classification system simplifies PSA management guidance.
  • Optimal treatment selection requires considering limb anatomy and PSA aneurysm presence.
  • Bypass surgery is often indicated for Classes III and IV PSA, especially with aneurysms, due to embolism risk.