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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/1609

Title: Outcome of 2 cc pure sulfur Hexafluoride Gas Tamponade for Macular Hole Surgery
Authors: Kannan, Naresh B.
Adenuga, Olukorede O.
Kumar, Karthik
Ramasamy, Kim
Keywords: Vitrectomy
Issue Date: 2016
Publisher: BioMed Cebral (BMC) Ophthalmology
Series/Report no.: Vol. 16;No. 73 Pp 1-5
Abstract: Background: Isoexpansile concentrations of intraocular gases are typically used as tamponading agent in macular hole surgery. Using a small volume of the pure form of these gases may achieve the same result without increasing the incidence of postoperative complications. The purpose of this study was to evaluate the anatomical and visual outcomes following macular hole surgery with 2 cc pure (100 %) sulfur hexafluoride (SF6) gas tamponade. Methods: A retrospective study of eyes with idiopathic macular holes that underwent 23-gauge pars plana vitrectomy with 2 cc pure SF6 gas tamponade. Macular hole surgery was performed alone or in combination with phacoemulsification in eyes with cataract. Preoperative and postoperative data including best corrected visual acuity recorded in Log Mar units, slit-lamp bio-microscopy, and optical coherence tomography were analyzed. Surgical complications were also recorded. Results: Seventy six eyes of seventy five patients were analyzed. A closure rate of 100 % was achieved with re-operation in 4 eyes. There was a significant improvement in best-corrected visual acuity from a mean of 0.65 LogMAR preoperatively to 0.36 at 6 months (p value 0.004). Forty five (59 %) eyes gained at least 2 lines on the Snellen visual acuity chart. Postoperative elevation in intraocular pressure (≥30 mmHg) was documented in 3 eyes (4 %). Conclusion: Macular hole surgery with 2 cc pure SF6 gas tamponade achieved a high success rate with a low incidence of complications. The smaller volume of gas required makes it a cheaper technique.
URI: http://hdl.handle.net/123456789/1609
ISSN: 1471-2415
Appears in Collections:Ophthalmology

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