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  • Title: CLOSING MACULAR HOLES WITH "MACULAR PLUG" WITHOUT GAS TAMPONADE AND POSTOPERATIVE POSTURING.
    Author: Chakrabarti M, Benjamin P, Chakrabarti K, Chakrabarti A.
    Journal: Retina; 2017 Mar; 37(3):451-459. PubMed ID: 27491044.
    Abstract:
    PURPOSE: To investigate the surgical results of macular hole surgery without gas tamponade or postoperative posturing in patients with Stage 3 and Stage 4 macular holes with ≥500 μm mean base diameter. DESIGN: Retrospective interventional case series. PARTICIPANTS: Twenty-six patients with Stage 3 and Stage 4 macular holes. METHODS: Twenty-six eyes of 26 patients with Stage 3 and Stage 4 macular holes and a mean base diameter of 892.8 ± 349 μm underwent pars plana 23-gauge vitrectomy with broad internal limiting membrane peel (ILM peel), inverted ILM flap repositioning (ILMR), and use of autologous gluconated blood clumps as a macular plug to close the macular hole. No fluid-air exchange, endotamponade, or postoperative posturing was used. The subjects were followed up for 12 months. The anatomical outcome of the procedure was evaluated by fundus examination and optical coherence tomography. Spectral domain optical coherence tomography was used to study the restoration of the outer retinal layer integrity in the postoperative period. The preoperative and postoperative best-corrected visual acuities in logMAR units were compared to evaluate functional outcome. MAIN OUTCOME MEASURE: Macular hole closure and best-corrected visual acuity before and after surgery. RESULTS: Twenty-six patients with mean age 62.8 ± 7.3 years, preoperative median best-corrected visual acuity 6/60 (1.0 logMAR units), and a mean base diameter of 892.8 ± 349 μm underwent surgery to close macular holes without gas tamponade or postoperative posturing. Twenty patients (76.9%) were phakic. Twenty eyes (76.92%) had Stage 3 macular holes and 6 eyes (23.10%) had Stage 4 macular holes. After a single surgery, hole closure was achieved in 100% of eyes. The median best-corrected visual acuity improved from 6/60 (1.0 logMAR units) to 6/18 (0.50 logMAR units) (P < 0.001). Three patients needed cataract surgery at 12-month follow-up. No major intraoperative or postoperative complications were observed. CONCLUSION: Twenty-three-gauge pars plana vitrectomy combined with broad ILM peeling, use of ILMR and autologous gluconated blood clumps as a macular plug is effective in achieving satisfactory hole closure with statically significant functional improvement for large Stage 3 and Stage 4 macular holes.
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