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Related Experiment Videos

Sciatic nerve palsy associated with total hip arthroplasty.

M S Dhillon1, O N Nagi

  • 1Department of Orthopaedics, PGIMER, Chandigarh, India.

Italian Journal of Orthopaedics and Traumatology
|January 1, 1992
PubMed
Summary
This summary is machine-generated.

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Total hip arthroplasty can cause sciatic or peroneal nerve palsy, particularly with significant limb lengthening. Limiting lengthening to 4 cm may minimize this risk, though outcomes vary for different nerve palsies.

Area of Science:

  • Orthopedic Surgery
  • Neurology

Background:

  • Total hip arthroplasty (THA) is a common procedure.
  • Nerve palsy is a known complication of THA.

Observation:

  • Six cases of sciatic or peroneal nerve palsy occurred in 380 THAs.
  • Eight additional cases of peroneal nerve palsy were linked to Thomas splints or tight bandages.
  • Nerve palsy causes included significant lateralization, lengthening, and hip dislocation.

Findings:

  • Peroneal nerve palsy from splint immobilization appeared by day 3-5.
  • Electromyography (EMG) studies showed varied recovery at one year for sciatic/peroneal nerve palsy.
  • Limb lengthening exceeding 4 cm was associated with increased nerve palsy risk.

Implications:

Related Experiment Videos

  • Limiting limb lengthening to 4 cm during THA may reduce nerve palsy incidence.
  • Peroneal nerve palsy from local compression generally has a good prognosis.
  • Sciatic nerve palsy following THA carries a less favorable long-term outlook.