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Vitrectomy for perforating eye injuries from shotgun pellets.

D V Alfaro1, V T Tran, T Runyan

  • 1Department of Ophthalmology, University of Southern California School of Medicine.

American Journal of Ophthalmology
|July 15, 1992
PubMed
Summary
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Retinal detachment significantly worsens outcomes for shotgun pellet eye injuries. Posterior vitreous detachment, however, improves visual prognosis after pars plana vitrectomy and scleral buckling surgery.

Area of Science:

  • Ophthalmology
  • Trauma Surgery

Background:

  • Perforating eye injuries from shotgun pellets present complex surgical challenges.
  • Pars plana vitrectomy and scleral buckling are surgical interventions for these injuries.

Purpose of the Study:

  • To identify intraoperative factors influencing visual acuity after surgical repair of shotgun pellet eye injuries.
  • To evaluate the prognostic significance of retinal detachment and posterior vitreous detachment.

Main Methods:

  • Retrospective review of 22 eyes from 19 patients undergoing pars plana vitrectomy and scleral buckling.
  • Analysis of intraoperative findings, including retinal detachment and posterior vitreous detachment status.
  • Correlation of these factors with final visual acuity outcomes.

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Main Results:

  • Total retinal detachment at vitrectomy was associated with poor visual prognosis (P = .002).
  • Preoperative posterior vitreous detachment correlated with favorable visual outcomes (P = .035).
  • Exit wound location outside vascular arcades predicted better vision (>20/70) in successful cases (P = .022).

Conclusions:

  • Total retinal detachment is a negative prognostic indicator for visual recovery in shotgun pellet eye injuries.
  • Posterior vitreous detachment is a positive prognostic factor for visual outcomes.
  • Surgical management should consider these factors to optimize patient prognosis.