Extensive versus limited pterygium excision with conjunctival autograft: outcomes and recurrence rates.

Abstract:

PURPOSE:To compare the long-term outcomes and recurrence rate of extensive versus limited subconjunctival pterygium excision with conjunctival autograft. METHODS:This retrospective study included 135 consecutive patients (161 eyes) who had pterygium excision with conjunctival autograft at the cornea performed at the cornea service of the Toronto Western Hospital. Ninety-one had limited pterygium excision, and 70 had extensive pterygium excision with conjunctival sparing. Main outcome measures included the recurrence rate. RESULTS:The recurrence rate in the limited excision group was 12.1% compared with only 4.3% in the extensive pterygium excision group (p = 0.14). The mean time to recurrence was shorter with limited excision compared to extensive excision (4.0 vs. 5.3 months, respectively, p = 0.16). Limited pterygium excision had a hazard ratio of recurrence of 3.2 compared with the extensive excision method. Recurrence-free survival analysis showed a significant advantage for the extensive excision group (p = 0.045, log-rank test). Cox proportional hazards regression found that younger age (p = 0.0003), larger area of corneal involvement (p = 0.004), worse preoperative visual acuity (p = 0.01), and limited pterygium excision (p = 0.04) significantly increased the risk for recurrence. CONCLUSIONS:Both limited and extensive pterygium excision groups had low recurrence rates. The extensive subconjunctival pterygium excision group tended toward fewer recurrences, which occurred later.

journal_name

Curr Eye Res

journal_title

Current eye research

authors

Bahar I,Kaiserman I,Weisbrod M,McAllum P,Slomovic A

doi

10.1080/02713680802045099

subject

Has Abstract

pub_date

2008-05-01 00:00:00

pages

435-40

issue

5

eissn

0271-3683

issn

1460-2202

pii

793432694

journal_volume

33

pub_type

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