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Posterior Wall Acetabulum Fracture with a Persistent Sciatic Artery: A Case Report.

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This case report details a left posterior wall acetabular fracture with a persistent sciatic artery (PSA). Surgical management involved protecting the PSA and sciatic nerve, resulting in no neurovascular complications.

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Area of Science:

  • Orthopaedic Surgery
  • Vascular Anatomy

Background:

  • Acetabular fractures require careful surgical planning.
  • Anatomical variations can complicate surgical approaches.

Observation:

  • A patient presented with a left posterior wall acetabular fracture and an ipsilateral persistent sciatic artery (PSA).
  • The PSA was identified preoperatively via computed tomography angiogram.
  • The fracture was surgically treated using a Kocher-Langenbeck approach.

Findings:

  • The persistent sciatic artery (PSA) and sciatic nerve were identified and protected during the open reduction internal fixation.
  • No intraoperative or postoperative neurovascular complications occurred.

Implications:

  • This is the first reported case of PSA associated with posterior wall acetabular fractures.
  • Orthopaedic surgeons must be aware of PSA variants for safe surgical management of acetabular injuries.
  • Preoperative identification and intraoperative protection of the PSA are crucial to prevent complications.