May 2005
Volume 46, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2005
Safety of Transconjunctival Sutureless 25–Gauge Vitrectomy in Eyes With Prior 20–Gauge Vitrectomy
Author Affiliations & Notes
  • A.S. Noffke
    Vitreoretinal Surgery, Associated Retinal Consultants, Williamsburg, MI
  • R. Sarrafizadeh
    Vitreoretinal Surgery, Associated Retinal Consultants, Williamsburg, MI
  • Footnotes
    Commercial Relationships  A.S. Noffke, None; R. Sarrafizadeh, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2005, Vol.46, 5461. doi:
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      A.S. Noffke, R. Sarrafizadeh; Safety of Transconjunctival Sutureless 25–Gauge Vitrectomy in Eyes With Prior 20–Gauge Vitrectomy . Invest. Ophthalmol. Vis. Sci. 2005;46(13):5461.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Abstract: : Purpose: To determine the safety of transconjunctival sutureless 25–gauge vitrectomy (TSV25) in eyes that have previously had 20–gauge vitrectomy with or without scleral buckling surgery. Methods: Seventy–eight eyes (43 right) in 77 patients (35 female) who presented to our practice and subsequently had TSV25 were identified in a retrospective review. Follow–up ranged from 3–16 months (mean 8 months). Thirteen eyes had prior 20–gauge vitrectomy, 10 eyes had scleral buckling surgery, and 6 eyes had both. Sixteen eyes (21%) had TSV25 for vitreous hemorrhage or vitreous debris, 17 eyes (22%) for chronic diabetic macular edema, 34 eyes (43%) for macular pucker with cystoid macular edema, and 11 (14%) for macular hole. Final visual outcome, incidence of complications, and mean intraocular pressure on the first post–operative day and first post–operative week were measured as outcome variables. Results: Presenting mean visual acuity was 20/161 and final acuity was 20/72 for all eyes (P<0.0001, paired t–test). Mean intraocular pressure at post–operative day one was 11.5 in eyes with prior vitrectomy, and 12.4 in eyes without (P=0.45, pooled t–test). At post–operative week one, mean intraocular pressure was 13.7 in eyes with prior vitrectomy, and 16.9 in eyes without (P=0.14). Eyes with prior vitrectomy and scleral buckling surgery had a lower mean intraocular pressure at post–operative week one (10.8, P=0.05). In eyes with prior vitrectomy, one developed a prominent choroidal detachment that resolved completely in 2 weeks. Two eyes with no history of prior vitrectomy or scleral buckling surgery developed a macula–on retinal detachment. Conclusions: TSV25 appears to be safe in eyes with prior 20–gauge vitrectomy with or without scleral buckling surgery. Brief periods of relative hypotony during the post–operative period are well tolerated.

Keywords: vitreoretinal surgery • retina • vitreous 
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