Guoji Yanke Zazhi (Mar 2016)

Changes of anterior segment in patients with primary angle-closure glaucoma treated with phacoemulsification and intraocular lens implantation detected by Pentacam

  • De-Yong Deng,
  • Mei-Na Xie,
  • Dan-Dan Yu,
  • Tao Peng

DOI
https://doi.org/10.3980/j.issn.1672-5123.2016.3.21
Journal volume & issue
Vol. 16, no. 3
pp. 486 – 489

Abstract

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AIM:To observe the changes of anterior segment before and after phacoemulsification and intraocular lens implantation in patients with primary angle-closure glaucoma(PACG)by Pentacam system,so as to assess the efficacy and the influence factors for treating PACG.METHODS:One hundred and sixty-three patients(178 eyes)with PACG were included in the presented study, which were classified to acute PACG(APACG, 87 patients with 92 yes)and chronic PACG(CPACG, 76 patients with 86 eyes).Phacoemulsification and posterior-chamber IOL(PC-IOL)implantations were performed for all eyes and combined with goniosynechialysis if necessary. Visual acuity, intraocular pressure(IOP), the central anterior chamber depth(ACD),anterior chamber volume(ACV)and peripheral anterior chamber angle(ACA)were examined by Pentacam system pre-operatively and 1d, 1wk, 3 and 6mo post-operatively.RESULTS:In both groups, the IOP was significantly decreased after operations(PPPPPvs 2.83±0.10mm respectively; ACV were 68.34±14.02μm3 vs 145.85±14.36μm3; ACA were 18.28°±4.46° vs 30.50°±4.23°. In patients with CPACG: ACD before and after surgeries were 1.96±0.20mm vs 2.82±0.10mm; ACV were 88.19±15.86μm3 vs 141.28±14.64μm3; ACA were 22.03°±4.48°vs 31.65°±4.62°. Compared to CPACG group, the ACD, ACV and ACA of patients with APACG were significantly lower before operations(PP>0.05). The changes on ACD, ACV and ACA before and after operations were significant between patients with APACG and CPACG(PCONCLUSION:Pentacam system can directly demonstrate the changes of anterior segment before and after phacoemulsification combined with IOL for angle-closure glaucoma. It demonstrates that the anterior segments maybe closely related to the mechanisms of PACG, the changes of which contributes significantly to the clinical effects of phacoemulsification and PC-IOL implantation for both APACG and CPACG patients. The difference of clinical efficacy for APACG and CPACG is maybe correlatied to the different mechanisms.

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