Filtering Blebs: Follow Up of Trabeculectomy

Vesti, Eija

doi:10.3928/1542-8877-19930401-06

Cited by 23 publications

(1 citation statement)

References 29 publications

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“…Первым попытался классифицировать ФП P. Kronfeld [13] в 1949 г., описав три типа в зависимости от внешнего вида и гипотензивного эффекта: тип I -поликистозные тонкостенные с низким ВГД, тип II -диффузные перилимбальные с низким ВГД, тип III -плоские с высоким ВГД. Финский офтальмолог E. Vesti [14] описал три вида ФП: диффузная, пузыревидная и ее отсутствие. C. Lederer [15] в 1996 г. для описания ФП при ДР предложил выделять высокие, аваскулярные, тонкостенные, просвечивающие и кистозные ФП.…”

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The impact of technique of conjunctive wound suturing during sinus trabeculectomy on the formation of the filter bleb and the hypotensive efficiency of the operation

Gar’kavenko,

Balashova

2023

Rossijskij oftalʹmologičeskij žurnal

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Purpose. To study how filtration blebs change in the postoperative period after applying the innovative patented suture during sinus trabeculectomy (STE).Material and methods. 105 patients (105 eyes) with primary open-angle glaucoma were randomized into 2 gender and age matched groups. In group 1, the conjunctival wound was sutured with separate continuous sutures on the conjunctiva and the Tenon's capsule. In group 2, the wound was sealed according to an innovative method. Before surgery, patients underwent a comprehensive examination, including visometry, tonometry, perimetry, and retinal tomography. In the postoperative period (1 day, 1, 2 weeks, 1, 3, 6 and 12 months after the STE), the changes of filtration blebs characteristics were assessed using the Würzburg bleb classification score (WBCS).Results. In group 2, one day after the surgery, IOP showed a decrease 0.8 mm Hg greater than in group 1. One month after surgery, the decrease was 1.5 mm Hg greater. The difference in IOP levels between the study groups persisted for up to 1 year (with a significant difference of 3.6 mm Hg after 3 months, and 3.8 mm Hg after 1 year, p = 0.001). The development of intraoperative and early postoperative complications was generally comparable. In group 1, an additional suture sealing was required in 11 8 % of cases due to external filtration. In group 2, no additional sutures were required (p = 0.01). The two groups revealed differences in the degree of vascularization of the conjunctiva and in the presence of conjunctival microcysts, as well as in the degree of encapsulation (p < 0.001) Group 2 treated by the innovative suturing technique showed better results.Conclusion. The innovative method of applying a sealing suture after STE quickens the normalization of the main characteristics of filtration blebs in comparison with the control group within 1 year after the intervention.

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The impact of technique of conjunctive wound suturing during sinus trabeculectomy on the formation of the filter bleb and the hypotensive efficiency of the operation

Gar’kavenko,

Balashova

2023

Rossijskij oftalʹmologičeskij žurnal

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In Vivo Confocal Microscopy of Filtering Blebs After Trabeculectomy

Messmer

Zapp²,

Mackert³

et al. 2006

Arch Ophthalmol

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To analyze filtering blebs after trabeculectomy by means of in vivo confocal microscopy and to correlate the images with clinical bleb appearance and function. Method: In vivo confocal microscopy using the Heidelberg Retina Tomograph/Rostock Cornea Module (Heidelberg Engineering, Heidelberg, Germany) was performed in 53 filtering blebs in 45 patients 6 days to 30 years postoperatively. Results: In vivo confocal microscopic findings significantly correlated with good bleb function included the number of epithelial microcysts (P=.03), a large total stromal cyst area (P=.009), the absence of encapsulated stromal cysts (P=.002), minimal vascularization (P=.05), and the absence of tortuous conjunctival vessels (P =.01). In

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Classification of Developing Filtering Blebs after Trabeculectomy

Grehn¹,

Picht²

2000

Glaucoma Update VI

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Filtering Blebs: Follow Up of Trabeculectomy

Cited by 23 publications

References 29 publications

The impact of technique of conjunctive wound suturing during sinus trabeculectomy on the formation of the filter bleb and the hypotensive efficiency of the operation

The impact of technique of conjunctive wound suturing during sinus trabeculectomy on the formation of the filter bleb and the hypotensive efficiency of the operation

In Vivo Confocal Microscopy of Filtering Blebs After Trabeculectomy

Classification of Developing Filtering Blebs after Trabeculectomy

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