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Pilot randomised controlled trial of face-down positioning following macular hole surgery
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Pilot randomised controlled trial of face-down positioning following macular hole surgery
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Pilot randomised controlled trial of face-down positioning following macular hole surgery
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Journal Article
Pilot randomised controlled trial of face-down positioning following macular hole surgery
2012
Overview
Objective
This was a pilot randomised controlled trial (RCT) to investigate the effect of post-operative face-down positioning on the outcome of macular hole surgery and to inform the design of a larger definitive study.
Methods
In all, 30 phakic eyes of 30 subjects with idiopathic full-thickness macular holes underwent vitrectomy with dye-assisted peeling of the ILM and 14% perfluoropropane gas. Subjects were randomly allocated to posture face down for 10 days (posturing group) or to avoid a face-up position only (non-posturing group). The primary outcome was anatomical hole closure.
Results
Macular holes closed in 14 of 15 eyes (93.3%; 95% confidence interval (CI) 68–100%) in the posturing group and in 9 of 15 (60%; 95% CI 32–84%) in the non-posturing group. In a subgroup analysis of outcome according to macular hole size, all holes smaller than 400
μ
m closed regardless of posturing (100%). In contrast, holes larger than 400
μ
m closed in 10 of 11 eyes (91%; 95% CI 58–99%) in the posturing group and in only 4 of 10 eyes (40%; 95% CI 12–74%) in the non-posturing group (Fisher's exact test
P
=0.02).
Conclusion
Post-operative face-down positioning may improve the likelihood of macular hole closure, particularly for holes larger than 400
μ
m. These results support the case for a RCT.
Publisher
Nature Publishing Group UK,Nature Publishing Group
