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  • Title: Inferior limited macular translocation for subfoveal choroidal neovascularization secondary to age-related macular degeneration: 1-year visual outcome and recurrence report.
    Author: Fujii GY, de Juan E, Pieramici DJ, Humayun MS, Phillips S, Reynolds SM, Melia M, Schachat AP.
    Journal: Am J Ophthalmol; 2002 Jul; 134(1):69-74. PubMed ID: 12095810.
    Abstract:
    PURPOSE: To report the 1-year visual outcomes and incidence of persistent and recurrent choroidal neovascularization (CNV) after limited macular translocation (LMT) for subfoveal CNV in patients with age-related macular degeneration (ARMD). DESIGN: Interventional case series. METHODS: Retrospective review of 102 consecutive eyes of 101 patients that had the inferior limited macular translocation procedure for subfoveal choroidal neovascularization secondary to ARMD. The outcome measures were visual acuity at 12 months after surgery, change in visual acuity from baseline, the proportion of eyes with moderate (3 or more lines) or severe (6 or more lines) visual acuity loss, and cumulative incidence of persistent or recurrent CNV and its impact on visual acuity. Cumulative incidence was estimated using Kaplan-Meier survival analysis methods. Association between persistence and recurrence of CNV and the Snellen visual acuity recorded at each follow-up visit was evaluated using the Wilcoxon rank-sum test. RESULTS: Eighty-six (84.3%) of 102 eyes completed the 1-year follow-up. By 12 months postoperatively, 35 (40.7%) of the 86 eyes achieved visual acuity of 20/100 or better while 34 (39.5%) of the 86 eyes experienced 2 or more Snellen lines of visual improvement. In the 52 eyes with effective translocation and complete laser photocoagulation of the CNV complex with sparing of the sensory fovea, the estimated incidence of recurrence was 34.6% at 12 months (95% confidence interval of 21%-48%). Sixty-five percent of the recurrences were subfoveal and caused a decrease in visual acuity. There was a trend toward worse median change in visual acuity in eyes with persistent or recurrent CNV. CONCLUSIONS: Limited macular translocation for the treatment of subfoveal CNV secondary to ARMD is associated with improvement in visual acuity in approximately 39.5% of eyes and enables complete laser photocoagulation of the neovascular complex with sparing of the sensory macula in approximately 60.4% of eyes that complete 1 year follow-up. Persistence and recurrence of CNV are common after LMT and are important causes of vision loss. Further studies are warranted to more precisely evaluate the risks and benefits of LMT in ARMD.
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