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Vitrectomy for diabetic macular edema with and without internal limiting membrane removal
Teiko Yamamoto1, Koichiro Hitani, Yukihiro Sato
1Department of Ocular Cellular Engineering, Yamagata University Hospital, Yamagata, Japan. teiko-y@med.id.yamagata-u.ac.jp
Summary
Internal limiting membrane (ILM) removal during vitrectomy for diabetic macular edema did not significantly improve visual acuity or reduce retinal thickness compared to preserving the ILM. ILM removal is not necessary for effective treatment.
Area of Science:
- Ophthalmology
- Retinal Surgery
- Diabetic Retinopathy Management
Background:
- Diabetic macular edema (DME) is a leading cause of vision loss in diabetic patients.
- Pars plana vitrectomy is a surgical option for managing DME, with internal limiting membrane (ILM) removal being a debated aspect.
Purpose of the Study:
- To compare the efficacy of internal limiting membrane (ILM) removal versus ILM preservation during pars plana vitrectomy for diabetic macular edema.
- To evaluate the impact on visual acuity and retinal thickness.
Main Methods:
- A prospective case-control study involving 30 eyes of 29 patients with DME.
- Patients underwent pars plana vitrectomy, with 15 eyes having ILM removal and 15 eyes preserving the ILM.
Main Results:
- No statistically significant difference in visual acuity improvement or retinal thickness reduction was observed between the ILM removal and ILM preservation groups after 11 months.
- Both surgical approaches demonstrated comparable outcomes in managing DME.
Conclusions:
- Internal limiting membrane (ILM) removal is not essential for achieving successful visual acuity improvement and retinal thickness reduction in diabetic macular edema treated with pars plana vitrectomy.
- Preserving the ILM during vitrectomy is a viable and effective strategy for DME.