Paper Information

Journal:   BINA   WINTER 2011 , Volume 16 , Number 2 (63); Page(s) 100 To 107.
 
Paper: 

PROPENSITY SCORE ANALYSIS FOR COMPARING PRIMARY VITRECTOMY WITH AND WITHOUT ENCIRCLING BAND IN PSEUDOPHAKIC / APHAKIC RETINAL DETACHMENT

 
 
Author(s):  JANANI L., MORADIAN S.*, AHMADIEH H., MOHAMMAD K., GOLESTAN B., FOROUZANFAR M.H.
 
* OPHTHALMIC RESEARCH CENTER, SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCES, TEHRAN, IRAN
 
Abstract: 

Purpose: To compare the visual and anatomical outcomes and complications of two surgical methods in patients with pseudophakic / aphakic retinal detachment (PARD) using Propensity Score Analysis.
Methods: In this study, the propensity score matching was used as a new approach to control confounding factors. Propensity score was calculated using the STATA.9 software. Standardized difference was used to compare the distribution of important factors between the two groups.
Results: Final analysis was performed on 150 patients including 62 subjects with and 88 subjects without an encircling band. Based on estimated propensity score, 51 subjects from each group were matched with 51 others. There were no statistically significant differences between the two surgical methods regarding the primary outcome measures (retinal reattachment rate and best-corrected visual acuity at 1, 2 and 4 months).
The rate of cystoid macular edema was also the same in both groups at all follow-up examinations but the chance of macular pucker was significantly lp. gher in the vitrectomy without band group at the four month examination (OR=0.1428, P-value=0.034).
Conclusion: In the management of PARD, based on propensity score analysis and classical methods, vitrectomy with and without encircling band have comparable results but the chance of macular pucker seems to be higher in eyes undergoing vitrectomy without any encircling band during short-term follow up.

 
Keyword(s): PROPENSITY SCORE ANALYSIS, PSEDOPHAKIC APHAKIC RETINAL DETACHMENT, PRIMARY VITRECTOMY, ENCIRCLING BAND
 
References: 
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