Canadian journal of ophthalmology. Journal canadien d'ophtalmologie · 1996
Late bleb leakage after trabeculectomy with 5-fluorouracil or mitomycin C.
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Susanna R, Takahashi W, Nicolela M
Аннотация
OBJECTIVE: To determine the prevalence of late filtering bleb leakage after trabeculectomy performed with intraoperative adjunctive use of 5-fluorouracil (5-FU) or mitomycin C.
DESIGN: Case series.
SETTING: Private clinic in São Paulo.
PATIENTS: Forty-seven consecutive patients (47 eyes) who had previously undergone trabeculectomy with intraoperative application of either 5-FU (25 mg/mL) or mitomycin C (0.2 mg/mL) and who had functioning filtering blebs. The patients who received 5-FU had advanced primary open-angle glaucoma without previous surgery; those who received mitomycin C had either previous failed filtering surgery or refractory glaucoma. All patients had been followed for at least 6 months.
OUTCOME MEASURES: Slit-lamp appearance of bleb, bleb leakage, as determined with the Seidel test.
RESULTS: None of the eyes had spontaneous bleb leakage. Ten (32.2%) of the 31 eyes that received 5-FU and 5 (31.2%) of the 16 eyes that received mitomycin C had induced bleb leakage. Thirty filtering blebs were classified as transparent, 10 as vascularized and 7 as ischemic. The rates of bleb leakage for the three groups were 46.7%, 0% and 14.3% respectively (p = 0.012).
CONCLUSIONS: The importance of late bleb leakage in patients who receive intraoperative 5-FU or mitomycin C in predisposing these eyes to late complications, such as endophthalmitis and hypotony, needs to be evaluated.
DESIGN: Case series.
SETTING: Private clinic in São Paulo.
PATIENTS: Forty-seven consecutive patients (47 eyes) who had previously undergone trabeculectomy with intraoperative application of either 5-FU (25 mg/mL) or mitomycin C (0.2 mg/mL) and who had functioning filtering blebs. The patients who received 5-FU had advanced primary open-angle glaucoma without previous surgery; those who received mitomycin C had either previous failed filtering surgery or refractory glaucoma. All patients had been followed for at least 6 months.
OUTCOME MEASURES: Slit-lamp appearance of bleb, bleb leakage, as determined with the Seidel test.
RESULTS: None of the eyes had spontaneous bleb leakage. Ten (32.2%) of the 31 eyes that received 5-FU and 5 (31.2%) of the 16 eyes that received mitomycin C had induced bleb leakage. Thirty filtering blebs were classified as transparent, 10 as vascularized and 7 as ischemic. The rates of bleb leakage for the three groups were 46.7%, 0% and 14.3% respectively (p = 0.012).
CONCLUSIONS: The importance of late bleb leakage in patients who receive intraoperative 5-FU or mitomycin C in predisposing these eyes to late complications, such as endophthalmitis and hypotony, needs to be evaluated.