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Erschienen in:
01.05.2004 | Clinical Investigation
Vitrectomy with internal limiting membrane removal for clinically significant macular oedema
Erschienen in: Graefe's Archive for Clinical and Experimental Ophthalmology | Ausgabe 5/2004
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Background
Little has been published on internal limiting membrane (ILM) removal for clinically significant macular oedema (CSME) in eyes not improving following maximal laser treatment.
Methods
Retrospective review of the charts and intraoperative video films of 30 consecutive eyes of 27 patients undergoing vitrectomy, ILM peeling, and gas tamponade by a single surgeon.
Results
The average patient was 52 years old; 56% were males. The oedema was caused by diabetes in 87% of the eyes, 42% of which had proliferative disease. The oedema was diffuse in 16 eyes (53%) and cystoid (CME) in 14 (47%). In 21% of eyes, spontaneous vitreous detachment was present or the eye had already undergone vitrectomy. All but one eye had at least 6 months of follow-up (mean 12 months). The oedema resolved completely in 26 eyes (90%) and partially in 3 eyes (10%). The visual acuity improved at least two Snellen lines in 19 eyes (66%) and one line in 4 eyes (14%); the average improvement was 4 lines. The acuity was unchanged in three eyes (10%) and worsened in three eyes (10%), all due to cataract. Among the 14 eyes with CME, 11 (79%) became completely dry and the visual acuity improved in 11 eyes (79%). No ILM-related complication was encountered in any eye.
Conclusions
Vitrectomy with ILM peeling is a promising approach to eyes with CSME. It appears to offer visual improvement at a much higher rate than laser therapy and with a longer-lasting effect than that of intravitreal triamcinolone. A larger study is necessary to confirm these preliminary findings.