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Graefe's Archive for Clinical and Experimental Ophthalmology

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01-11-2012 | Cornea

Long-term changes in endothelial cell counts after early phacoemulsification versus laser peripheral iridotomy using sequential argon:YAG laser technique in acute primary angle closure

Authors: Hae-Young Lopilly Park, Na Young Lee, Chan Kee Park, Man Soo Kim

Published in: Graefe's Archive for Clinical and Experimental Ophthalmology | Issue 11/2012

Abstract

Objective

To compare the change in endothelial cell counts (ECC) after early phacoemulsification and laser peripheral iridotomy (LPI) using sequential argon:yttrium–aluminum–garnet (YAG) laser technique for the treatment of acute primary angle closure (APAC).

Methods

This was a retrospective chart review, case-control study; 86 APAC patients were enrolled. Sixteen patients who underwent early phacoemulsification with intraocular lens implantation and 32 patients who underwent LPI were matched by propensity score analysis. All subjects underwent a complete ophthalmic examination, including intraocular pressure (IOP) measurements, optic disc examinations, and gonioscopy. ECC were acquired at the center of the cornea with a noncontact specular microscope before treatment, and at 1, 6, 12, and 24 months following phacoemulsification or LPI.

Results

The mean follow-up was 26.1 ± 4.7 months in the phacoemulsification group and 26.3 ± 4.5 months in the LPI group. After intervention, the changes in anterior chamber depth and Shaffer grading by gonioscopy were significantly different between groups. ECC were not different before treatment; however, after phacoemulsification or LPI at 12 months (2280 ± 320 vs 1993 ± 380 cells/mm²) and 24 months (2113 ± 333 vs 1880 ± 422 cells/mm²), there was a significant difference between the two groups (P = 0.040 and P = 0.032 respectively). Regression analysis showed that anterior chamber depth at baseline (P = 0.041) and intervention modality (phacoemulsification vs LPI; P < 0.001) were significantly related to the change in ECC.

Conclusions

Early phacoemulsification showed lower endothelial cell loss than did LPI in the treatment of APAC after a 2-year follow-up. In terms of ECC, early phacoemulsification could be a better intervention modality for APAC.

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Title: Long-term changes in endothelial cell counts after early phacoemulsification versus laser peripheral iridotomy using sequential argon:YAG laser technique in acute primary angle closure
Authors: Hae-Young Lopilly Park
Na Young Lee
Chan Kee Park
Man Soo Kim
Publication date: 01-11-2012
Publisher: Springer-Verlag
Published in: Graefe's Archive for Clinical and Experimental Ophthalmology / Issue 11/2012
Print ISSN: 0721-832X
Electronic ISSN: 1435-702X
DOI: https://doi.org/10.1007/s00417-012-1998-4

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Long-term changes in endothelial cell counts after early phacoemulsification versus laser peripheral iridotomy using sequential argon:YAG laser technique in acute primary angle closure

Abstract

Objective

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Objective

Methods

Results

Conclusions

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