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Impact of early rise of intraocular pressure on visual outcome following diabetic vitrectomy.

Abstract：

OBJECTIVE:The objective was to study the incidence and risk factors for an early rise in intraocular pressure (IOP) following pars plana vitrectomy (PPV) for proliferative diabetic retinopathy (PDR) and to correlate its impact on visual outcome. MATERIALS AND METHODS:This was a longitudinal prospective study. IOP and best corrected visual acuity (BCVA) for 73 cases of PDR (52 males and 21 females) who underwent PPV were recorded at day 1, week 1, and months 1, 3, and 6. Risk factors for the early IOP rise, defined as IOP ≥ 30 mmHg at day 1, were evaluated using cross-tabulation and the t-test. RESULTS:Mean IOP at day 1 was 21.8 ± 9.8 mmHg with 15 cases (20.5%) having an early rise in IOP. Risk factors for the early IOP rise included intraoperative fibrovascular frond removal (P = 0.003), lens removal (P = 0.043), and intraoperative vitreous bleed (P = 0.008). The early rise in IOP was also associated with consistently raised IOP (P = 0.02), defined as IOP > 21 mmHg during first three consecutive follow-up visits. Further, difference in BCVA at 6 months among the two groups, i.e., with and without an early IOP rise was statistically significant (3.11 ± 1.52 logMAR vs. 2.11 ± 1.49 logMAR; P = 0.025). CONCLUSION:An early rise in IOP is a significant risk factor which compromises the visual outcome of patients undergoing diabetic vitrectomy.

journal_name

Indian J Ophthalmol

journal_title

Indian journal of ophthalmology

authors

Sharma YR,Pruthi A,Azad RV,Kumar A,Mannan R

doi

10.4103/0301-4738.73724

subject

Has Abstract

pub_date

2011-01-01 00:00:00

pages

37-40

issue

1

eissn

0301-4738

issn

1998-3689

pii

IndianJOphthalmol_2011_59_1_37_73724

journal_volume

59

pub_type

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