|
KMID : 0360220180590100930
|
|
Journal of the Korean Ophthalmological Society
2018 Volume.59 No. 10 p.930 ~ p.937
|
|
|
The Effect of Intraoperative Factors on Intraocular Pressure Reduction after Phacoemulsification in Open-angle Glaucoma
|
|
Park Yuli
Moon Jung-Il
Cho Kyong-Jin
|
|
|
Abstract
|
|
|
Purpose: To identify independent predictors of long-term postoperative intraocular pressure (IOP) reduction after phacoemulsification in patients with primary open-angle glaucoma (POAG).
Methods: This was a retrospective review of 145 eyes with open-angle glaucoma (OAG) who were followed up for more than 3 years after uncomplicated phacoemulsification cataract surgeries. Demographic, clinical, biometric, and intraoperative variables such as IOP, refractive errors, anterior chamber depth, axial length, relative lens position (RLP), and phacoemulsification parameters such as phaco time, cumulative dissipated energy (CDE), and balanced salt solution volume were evaluated at 6, 12, 24, and 36 months after surgery. Univariate and multivariate linear regression were used to analyze the relationship between these variables and the postoperative IOP.
Results: There was a statistically significant average postoperative IOP reduction at 6, 12, 24, and 36 months of -1.9 ± 2.9, -1.6 ± 2.8, -1.4 ± 3.1, and -1.2 ± 2.7 mmHg, respectively (p < 0.01). Higher preoperative IOP (p < 0.001), a more relative anterior lens position (p < 0.001), shorter phaco time (p < 0.05), and higher CDE (p < 0.05) were significantly associated with a greater postoperative decrease in IOP using univariate analyses. Using multivariate analyses, preoperative IOP (p < 0.01), lens position (p = 0.04), and phaco time (p = 0.04) were associated with greater postoperative IOP reduction at 3 years.
Conclusions: Higher preoperative IOP was associated with a greater IOP-lowering effect after phacoemulsification in OAG patients. Phaco time and anterior RLP were independently associated with IOP reduction after adjusting for age and preoperative IOP. These findings have important implications when considering combined cataract extraction and filtration surgery for POAG patients.
|
|
|
KEYWORD
|
|
|
Cataract, Intraocular pressure, Open-angle glaucoma, Phacoemulsification
|
|
|
FullTexts / Linksout information
|
|
|
|
|
Listed journal information
|
|
  
|
|