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Related Experiment Videos

Retrobulbar hemorrhage after 12,500 retrobulbar blocks

K R Edge1, J M Nicoll

  • 1Department of Anesthesia, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia.

Anesthesia and Analgesia
|May 1, 1993
PubMed
Summary

Retrobulbar hemorrhage, a complication of retrobulbar nerve block, occurred in 0.44% of cases. Despite this risk, visual outcomes were not significantly impacted compared to controls.

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Area of Science:

  • Ophthalmology
  • Anesthesiology

Background:

  • Retrobulbar nerve block is a common procedure for ophthalmic surgery.
  • Hemorrhage is a known, albeit infrequent, complication.

Purpose of the Study:

  • To determine the incidence of retrobulbar hemorrhage.
  • To identify risk factors and assess visual outcomes following such events.

Main Methods:

  • Retrospective review of 12,500 consecutive retrobulbar nerve block cases.
  • Analysis of complication rates and patient outcomes.

Main Results:

  • The incidence of retrobulbar hemorrhage was 0.44% (1 in 227 cases).
  • Acquired vascular disease was identified as a significant risk factor (P < 0.017).

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  • Surgery was postponed in 75% of cases with hemorrhage, but visual outcomes were comparable to controls.

    • Conclusions:

    • The incidence of retrobulbar hemorrhage is lower than previously reported.
    • While a serious complication, retrobulbar hemorrhage does not appear to significantly affect long-term visual outcomes.