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Effects of Temporary Amniotic Membrane Patch after Surgical Excision of Primary Pterygium
Journal of the Korean Ophthalmological Society ; : 749-760, 2012.
Article in Korean | WPRIM | ID: wpr-51046
ABSTRACT

PURPOSE:

To investigate the clinical results, recurrence rates, and recurrence-related risk factors of temporary amniotic membrane patch (TAMP) after excision of primary pterygium.

METHODS:

Recurrence grade was evaluated for 73 eyes with a mean follow-up of 15.5 months (range 9 to 56 months). Surgical results were classified into surgical success (G0/G1), conjunctival recurrence (G2), and corneal recurrence (G3). Recurrence rates were analyzed based on gender, age, Tan's preoperative grading system, horizontal and vertical length of the preoperative pterygium, the corneal involvement size of the preoperative pterygium, planned or unplanned removal of amniotic membrane, and epithelial healing time. Using Kaplan-Meier survival analysis, the cumulative proportion of integrated G0/G1 was evaluated.

RESULTS:

In the postoperative grading, 58 (79.5%) and 9 (12.3%) eyes were graded as clinically recurrence-free G0 and G1, respectively; 4 (5.5%) and 2 (2.7%) eyes were graded as clinically recurrence-occurred G2 and G3, respectively. The cumulative proportion of integrated recurrence-free G0/G1 at 24 months after surgery was 0.83 +/- 0.08. T3 of Tan's preoperative grading system was identified as the only risk factor for recurrence above G1 through multivariate logistic regression analysis (p = 0.02).

CONCLUSIONS:

The recurrence rate of the present TAMP study showed better results in comparison with 9.1 to 56.1% of recurrence rates in other studies. The TAMP has advantages of surgical procedure with ease, low complications, and low recurrence rates. Therefore, after surgical excision of primary pterygium, the authors concluded the TAMP is highly recommended for good clinical outcomes and low recurrence rates.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Recurrence / Pterygium / Logistic Models / Risk Factors / Follow-Up Studies / Eye / Amnion Type of study: Etiology study / Observational study / Prognostic study / Risk factors Language: Korean Journal: Journal of the Korean Ophthalmological Society Year: 2012 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Recurrence / Pterygium / Logistic Models / Risk Factors / Follow-Up Studies / Eye / Amnion Type of study: Etiology study / Observational study / Prognostic study / Risk factors Language: Korean Journal: Journal of the Korean Ophthalmological Society Year: 2012 Type: Article