title: [Ocular hydrodynamics after phacoemulsification cataract surgery in patients with primary open-angle glaucoma].
abstract: OBJECTIVE
  To investigate parameters of intraocular fluid outflow after phacoemulsification of cataract in patients with primary open-angle glaucoma (POAG).
  
  
  METHODS
  The study involved 153 cataract patients (153 eyes), most of whom also had POAG. The patients were divided into three groups: group 1 - 51 patients (51 eyes) with cataract but no glaucoma, group 2 - 51 patients (51 eyes) with cataract and early POAG, and group 3 - 51 patients (51 eyes) with cataract and advanced POAG. All of them underwent non-contact pneumatic tonometry, tonography, and tonography with vacuum compression (Glau-Test60) before and after surgery (phacoemulsification of cataract with implantation of a posterior chamber intraocular lens (IOL)). The follow-up period was 6 months.
  
  
  CONCLUSIONS
  Phacoemulsification surgery with IOL implantation was able to reduce intraocular pressure in non-glaucoma cataract patients by 3 to 5 mmHg in 21.57% of cases and by more than 5 mmHg in 58.8% of cases. In patients with early and advanced glaucoma, a 3 to 5 mmHg decrease occurred in 33.3% and 13.7% of cases, respectively, and a more than 5 mmHg decrease - in 49.02% and 56.9%, respectively. This reduction is due to activation of intraocular fluid outflow.
  
  
  CONCLUSIONS
  A postoperative increase in trabecular and uveoscleral outflow has been detected in all groups. The change was more significant in non-glaucoma patients and those with early disease.
authors.affiliation: V.P. Vykhodtsev Clinical Ophthalmological Hospital, 60 Lermontova St., Omsk, Russian Federation, 644024; Omsk State Medical University, Ministry of Health of the Russian Federation, 12 Lenina St., Omsk, Russian Federation, 644099.
authors.forename: E A
authors.initials: EA
authors.lastname: Kalizhnikova
authors.affiliation: Omsk State Medical University, Ministry of Health of the Russian Federation, 12 Lenina St., Omsk, Russian Federation, 644099.
authors.forename: O I
authors.initials: OI
authors.lastname: Lebedev
authors.affiliation: V.P. Vykhodtsev Clinical Ophthalmological Hospital, 60 Lermontova St., Omsk, Russian Federation, 644024.
authors.forename: O V
authors.initials: OV
authors.lastname: Shchipacheva
authors.affiliation: V.P. Vykhodtsev Clinical Ophthalmological Hospital, 60 Lermontova St., Omsk, Russian Federation, 644024.
authors.forename: G G
authors.initials: GG
authors.lastname: Pecheritsa
mesh_terms: D000368:Aged; D002386:Cataract / Q000150:complications / Q000503:physiopathology; D005260:Female; D005902:Glaucoma, Open-Angle / Q000150:complications / Q000175:diagnosis / Q000503:physiopathology / Q000601:surgery; D006801:Humans; D057446:Hydrodynamics; D007429:Intraocular Pressure; D008297:Male; D008875:Middle Aged; D018918:Phacoemulsification / Q000009:adverse effects / Q000379:methods; D014065:Tonometry, Ocular / Q000379:methods; D016896:Treatment Outcome