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Postvitrectomy positioning complicated by ulnar nerve palsy

T A Ciulla1, A R Frederick, C Kelly

  • 1Department of Ophthalmology, Indiana University School of Medicine, Boston, MA, USA.

American Journal of Ophthalmology
|November 1, 1996
PubMed
Summary
This summary is machine-generated.

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Ulnar nerve palsy can occur after vitrectomy if patients maintain a face-down position. Avoiding prolonged elbow pressure or flexion can help prevent or resolve this complication.

Area of Science:

  • Ophthalmology
  • Neurology

Background:

  • Postvitrectomy positioning is crucial for surgical success.
  • Ulnar nerve palsy is a rare but potential complication.

Observation:

  • Two cases of ulnar nerve palsy following vitrectomy with face-down positioning are presented.
  • Patients maintained face-down positions for 2-4 weeks after surgery.

Findings:

  • Ulnar nerve palsy developed in both patients.
  • One patient improved with conservative management (avoiding elbow pressure/flexion).
  • The other patient required surgical decompression for persistent symptoms.

Implications:

  • Prolonged face-down positioning after vitrectomy can lead to ulnar nerve palsy.

Related Experiment Videos

  • Direct pressure or sustained elbow flexion are likely mechanisms.
  • Awareness and preventative measures are important for ophthalmologists and patients.