Abstract：
BACKGROUND:It is not clear whether demographic or pterygium characteristics or limbal stem cell deficiency determine pterygium recurrence after surgery. PURPOSE:To determine whether the demographic, pterygium characteristics, or limbal stem cell deficiency determine pterygium recurrence after excision. METHODS:Of 190 patients operated and followed-up for 6 months, 101 and 89 underwent free conjunctival autotransplant (CAT) or limbal conjunctival autotransplant (LCAT) respectively. The age, gender, occupation, grade of pterygium extent and degree of fleshiness, and laterality were compared between recurrent and no recurrent pterygia. Multivariate analysis was performed to determine the predictors of pterygium recurrence. Recurrence rates after surgery were compared between CAT and LCAT. RESULTS:The age range of the 190 patients was 22-65 years, mean ±SD 46.4 ±10.8 years. Pterygium recurred in 52 (27.4%). Thirty-nine (75%) of 52 patients with pterygia that recurred were aged <50 years (young) vs. 72 (52%) of 138 young patients with no recurrence; odds ratio (OR) = 1.54; 95% confidence interval (95% CI) = 0.70-3.36; p = 0.28. Thirty-one (60%) of 52 participants with post-surgical recurrent pterygia had large pre-operative pterygium (grade ≥3) vs. 130 (94%) of 138 patients with large pterygia that did not recur; OR = 0.11; 95% CI = 0.04-0.28; p <0.001. Of 101 patients undergoing CAT, 29 (28.7%) experienced recurrence vs. 23 (25.8%) of 89 undergoing LCAT; p = 0.66. CONCLUSIONS:Young age seems to be associated with pterygium recurrence after excision followed by conjunctival graft. Large pterygia were protective.
journal_name
Afr Health Scijournal_title
African health sciencesauthors
Anguria P,Ntuli S,Carmichael Tdoi
10.4314/ahs.v14i1.11subject
Has Abstractpub_date
2014-03-01 00:00:00pages
72-6issue
1eissn
1680-6905issn
1729-0503pii
jAFHS.v14.i1.pg72journal_volume
14pub_type
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