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eISSN: 2719-3209
ISSN: 0023-2157
Klinika Oczna / Acta Ophthalmologica Polonica
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1/2008
vol. 110
 
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abstract:
Original paper

Cataract phacoemulsification and intraocular pressure in glaucoma patients

Andrzej Mierzejewski
1, 2
,
Iwona Eliks
1, 2
,
Bartłomiej Kałużny
1, 2
,
Maja Zygulska
1, 2
,
Bartosz Harasimowicz
1, 2
,
Jakub J. Kałużny
1, 2

  1. From the Department of Ophthalmology, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
  2. From Department of Ophthalmology, Ludwik Perzyna’s Hospital, Kalisz, Poland
Online publish date: 2008/03/17
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Purpose: To evaluate the influence of recently performed cataract phacoemulsification in glaucomatous eyes on postoperative

intraocular pressure (IOP).

Material and methods: 100 eyes of 86 glaucoma patients who underwent cataract phacoemulsification with simultaneous intraocular lens implantation, were retrospectively analyzed. The patients were divided into two groups: I – 61 patients (71 eyes)

with open angle glaucoma, and II – 25 patients (29 eyes) with angle closure glaucoma. Both groups were subdivided into two

subgroups, depending on presence of symptoms of pseudoexfoliation (PEX) syndrome (A = with, and B = without symptoms

of PEX syndrome). All patients were examined in the department where the surgeries were performed; before surgery, on the

first day after the procedure, and again during the last follow-up examinations, 6 to 30 months after the procedure.

Results: Before surgery, the intraocular pressure (IOP) was at mean value of 19.02 ± 4.55 mmHg in group I, and 20.01 ±

6.43 mmHg in group II. On the first day after surgery, the IOP was 17.42 ± 7.17 and 20.36 ± 8.98 mmHg, respectively. IOP

exceeding 20 mmHg was found in 7 eyes in group I, and in 6 eyes in group II. During the last follow-up examinations the IOP

was 14.59 ± 3.73 and 14.01 ± 4.50 mmHg, respectively, and was lower than measured before surgery, by an average of 4.43

mmHg in group I (P < 1 × 10-5), and 6.00 mmHg in group II (P < 1 × 10-4). In both groups, the reduction of IOP in patients

with PEX was even more remarkable. The number of glaucoma medication necessary to control the pressure was reduced on

average by 0.28 in group I, and 0.31 in group II.

Conclusions: Phacoemulsification done on glaucomatous eyes results in lowering of IOP, and hence the dosage of glaucoma

drugs over the long term can be simplified or even discontinued.
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