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Postoperative visual loss associated with spine surgery.

Brian Gill1, James E Heavner

  • 1Orthopaedic Surgery, Texas Tech University Health Sciences Center, Lubbock, TX, USA. brian.gill@ttuhsc.edu

European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
|June 1, 2005
PubMed
Summary

Postoperative visual loss after spine surgery is rare but may be linked to significant blood loss, hypotension, anemia, and long operative times. These factors, especially combined with comorbidities, increase patient risk for visual disturbances.

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Area of Science:

  • Ophthalmology
  • Neurosurgery
  • Medical Complications

Background:

  • Postoperative visual loss (PVL) following spine surgery is a rare but serious complication.
  • The exact causes and risk factors for PVL remain unclear, necessitating further investigation.

Purpose of the Study:

  • To review the literature on PVL after spine surgery.
  • To identify potential risk factors and commonalities among affected patients.
  • To enhance understanding of PVL etiology for prevention strategies.

Main Methods:

  • A comprehensive literature search was conducted using PubMed.
  • Seven studies comprising 102 cases of visual disturbances post-spine surgery were reviewed.
  • Data analyzed included patient demographics, comorbidities, surgical details, and visual outcomes.

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Main Results:

  • Ischemic optic neuropathy, particularly posterior ischemic optic neuropathy, was the most frequent diagnosis.
  • Patients were typically middle-aged (46.5-53.3 years) and often had comorbidities.
  • Prolonged operative times (385-410 min), substantial blood loss (3.5-4.3 L), and anemia were common.
  • No significant visual improvement was observed in most cases.

Conclusions:

  • PVL is likely multifactorial, with significant blood loss, hypotension, anemia, and extended surgery duration being key risk factors.
  • Anemia may exacerbate risks, especially in patients with pre-existing medical conditions.
  • Further research is needed to definitively establish causative factors and develop preventative measures.