Cornea · 2003
Intraoperative mitomycin C 0.02% for pterygium: effect of duration of application on recurrence rate.
Клиническое исследованиеСравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Avisar Rahamim, Gaton Dan D, Loya Nisim, Appel Itiel, Weinberger Dov
Аннотация
PURPOSE: To compare the effect of a 3- and 5-minute intraoperative application of topical mitomycin C 0.02% on the recurrence of pterygium.
METHODS: A comparative, prospective clinical design was used. The study population consisted of 134 consecutive patients with unilateral primary advanced pterygium (growth of 3 mm or more horizontally from the limbus). All underwent excision of the lesion, leaving the sclera bare. At completion of surgery, topical mitomycin C 0.02% was applied for 3 minutes in the first 60 patients (group A) and for 5 minutes in the remaining 74 patients (group B). The patients were followed for 26 months by slit-lamp biomicroscopic examination of the anterior segment. Recurrent pterygium was defined as the postoperative appearance of a fibrovascular tissue crossing the limbus.
RESULTS: After 12 months of follow-up, pterygium recurred in 20 patients (33.3%) in group A and in two patients (2.7%) in group B. After 15 months, the recurrence rates were 36.6% and 5.4%, respectively, and remained unchanged at 26 months. There were no cases of drug toxicity in either group.
CONCLUSIONS: Five-minute intraoperative application of a single dose of 0.02% mitomycin C is safe and more effective than a 3-minute application in recurrence of pterygium.
METHODS: A comparative, prospective clinical design was used. The study population consisted of 134 consecutive patients with unilateral primary advanced pterygium (growth of 3 mm or more horizontally from the limbus). All underwent excision of the lesion, leaving the sclera bare. At completion of surgery, topical mitomycin C 0.02% was applied for 3 minutes in the first 60 patients (group A) and for 5 minutes in the remaining 74 patients (group B). The patients were followed for 26 months by slit-lamp biomicroscopic examination of the anterior segment. Recurrent pterygium was defined as the postoperative appearance of a fibrovascular tissue crossing the limbus.
RESULTS: After 12 months of follow-up, pterygium recurred in 20 patients (33.3%) in group A and in two patients (2.7%) in group B. After 15 months, the recurrence rates were 36.6% and 5.4%, respectively, and remained unchanged at 26 months. There were no cases of drug toxicity in either group.
CONCLUSIONS: Five-minute intraoperative application of a single dose of 0.02% mitomycin C is safe and more effective than a 3-minute application in recurrence of pterygium.