Archivos de la Sociedad Espanola de Oftalmologia · 2001
[Incidence of encapsulated bleb after filtering surgery].
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Gutiérrez Díaz E, Montero Rodríguez M, Julve San Martín A, Gálvez Ruiz A, Mencía Gutiérrez E
Аннотация
OBJECTIVE: To determine the incidence of encapsulated bleb (EB) after filtering surgery, and the risk factors for the development of this complication, especially those related with the surgical procedure.
METHODS: Ninety eyes that were submitted to trabeculectomy were prospectively studied. Lens extraction was associated in 56 eyes (62.9%). All patients were followed up for at least 3 months.
RESULTS: There were clinical characteristics of encapsulation in 29 eyes (32.3%) and EB with a peak IOP of 25 mmHg or higher in 14 eyes (15.7%). The incidence of EB formation was 20.5% in men and 11.8% in women (p.044). The incidence of EB was higher in the trabeculectomy group alone (24.2%) than in the group in which it was associated to cataract surgery (10.5%) (p.003). There were clinical characteristics of encapsulation in 40.7% of primary open angle glaucoma (p.041). EB was significantly associated with an increased failure rate (21.4%) when compared to normal blebs (5.55% failure rate) (p<.001).
CONCLUSIONS: The encapsulated bleb is significantly more frequent in the male gender and thick conjunctivas and in trabeculectomy alone versus trabeculectomy associated to cataract surgery. It means a significantly greater risk of failure after surgery in the short term.
METHODS: Ninety eyes that were submitted to trabeculectomy were prospectively studied. Lens extraction was associated in 56 eyes (62.9%). All patients were followed up for at least 3 months.
RESULTS: There were clinical characteristics of encapsulation in 29 eyes (32.3%) and EB with a peak IOP of 25 mmHg or higher in 14 eyes (15.7%). The incidence of EB formation was 20.5% in men and 11.8% in women (p.044). The incidence of EB was higher in the trabeculectomy group alone (24.2%) than in the group in which it was associated to cataract surgery (10.5%) (p.003). There were clinical characteristics of encapsulation in 40.7% of primary open angle glaucoma (p.041). EB was significantly associated with an increased failure rate (21.4%) when compared to normal blebs (5.55% failure rate) (p<.001).
CONCLUSIONS: The encapsulated bleb is significantly more frequent in the male gender and thick conjunctivas and in trabeculectomy alone versus trabeculectomy associated to cataract surgery. It means a significantly greater risk of failure after surgery in the short term.
Предметные рубрики MeSH
AdultAgedAged, 80 and overCataract ExtractionComorbidityConjunctivaConjunctival DiseasesCystsFasciaFasciotomyFemaleGlaucomaGlaucoma Drainage ImplantsGloves, SurgicalHumansIncidenceLaser TherapyMaleMiddle AgedOcular HypertensionPostoperative ComplicationsPowdersProspective StudiesRisk FactorsSpainStarchTrabeculectomyTreatment Failure