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  • Title: Treatment of hematomas in age related macular degeneration by vitrectomy and subretinal injection of r-tPA: Preliminary results.
    Author: Boiché M, Angioi-Duprez K, Conart JB, Berrod JP.
    Journal: J Fr Ophtalmol; 2019 Nov; 42(9):e391-e397. PubMed ID: 31471124.
    Abstract:
    INTRODUCTION: Macular subretinal hematoma is a complication of age related macular degeneration (AMD) responsible for a severe change in vision. We evaluated anatomic and functional results of surgical treatment of hematoma by vitrectomy, subretinal injection of r-tPA (recombinant tissue plasminogen activator), intravitreal bevacizumab injection and air tamponade. METHODS: Retrospective case series including 26 patients with submacular hemorrhage who underwent vitrectomy within 15 days after the onset of symptoms. Optical coherence tomography (OCT) was performed to measure the diameter of the hemorrhage and specify the location in relation to the retinal pigment epithelium. Anatomical success was defined as a total displacement of the hemorrhage out of the fovea at the first postoperative visit. Visual acuity improvement was measured at 1 and 6 months and at final postoperative visit. RESULTS: The procedure resulted in hemorrhage displacement away from the fovea in 20 eyes (81%). Visual acuity significantly improved by 5.8 (±7.2) lines (P=0.0003) at 1 month postoperatively, 7.4 (±6.7) lines (P=0.0004) at 6 months and 7.4 (±7.4) lines (P=0.0002) at the final postoperative visit (16.5±19.8 months). There was an inverse correlation between hemorrhage diameter and final acuity improvement (Pearson correlation coefficient ρ=-0.60 (IC 95% [-0.81; -0.26]; P=0.002)). CONCLUSION: Vitrectomy with subretinal r-tPA injection was found to be effective for the displacement of AMD hemorrhage in 81% of the patients. Mean final visual acuity improved by more than 7 lines, confirming the efficacy and functional benefit of surgical displacement.
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