Correlation Between the Indiana Bleb Appearance Grading Scale and Intraocular Pressure After Phacotrabeculectomy

Smith, Michael; Chipman, Mary L.; Trope, Graham E.; Buys, Yvonne M.

doi:10.1097/ijg.0b013e31817d23e0

Cited by 14 publications

(8 citation statements)

References 10 publications

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“…Similar to the study of Sacu et al [2], we found that microcysts were associated with a low long-term IOP. Concerning corkscrew vessels (no significant correlation) and encapsulation (significantly less in patients with low long-term IOP), our findings were different from those of Sacu et al Compared to the findings of Smith et al [16], we could not find a correlation between bleb height and complete success or IOP.…”

Section: Discussioncontrasting

confidence: 57%

“…Sacu et al [2 ]showed that corkscrew vessels and microcysts can help to predict the IOP development. Smith et al [16] found a correlation between bleb height and IOP after phacotrabeculectomy. The purpose of this retrospective study was to evaluate the prognostic value of the early postoperative WBCS for the long-term outcome of trabeculectomy.…”

Section: Discussionmentioning

confidence: 99%

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The Prognostic Value of the Wuerzburg Bleb Classification Score for the Outcome of Trabeculectomy

Klink¹,

Kann²,

Ellinger³

et al. 2010

Ophthalmologica

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Background: The Wuerzburg bleb classification score (WBCS) aims at an objective and standardized assessment of the developing filtering bleb after trabeculectomy, in order to detect and treat bleb scarring at the earliest possible stage of development. The purpose of this retrospective study was to evaluate the prognostic value of the early postoperative WBCS for the long-term outcome of trabeculectomy. Methods: The WBCS is a grading system for clinical bleb morphology. It evaluates the following parameters: vascularization, corkscrew vessels, encapsulation and microcysts. The WBCS of 113 eyes of 113 consecutive patients after trabeculectomy was determined 1 day, 1 and 2 weeks, 3, 6 and 12 months after surgery. Complete success was defined as an intra-ocular pressure (IOP) <21 mm Hg and >20% pressure reduction without glaucoma medication after 1 year. Results: A complete success rate of 73.9% and a qualified success rate of 82.4% were achieved 1 year after surgery. The average total bleb score during follow-up in the success group was always higher than in the failure group, but there was no statistically significant difference at any time. The bleb average score for eyes with an IOP of ≤12 mm Hg after 2 weeks was significantly higher (p = 0.005) than for eyes with an IOP ≧13 mm Hg at the end of follow-up. Conclusion: Patients with a higher early WBCS postoperatively had a significantly lower IOP 1 year after surgery. However, the study could not reveal a certain prognostic value of the early total bleb score using the WBCS for the long-term complete success of trabeculectomy.

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Section: Discussioncontrasting

confidence: 57%

Section: Discussionmentioning

confidence: 99%

The Prognostic Value of the Wuerzburg Bleb Classification Score for the Outcome of Trabeculectomy

Klink¹,

Kann²,

Ellinger³

et al. 2010

Ophthalmologica

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“…Trabeculectomy is the standard surgical modality for treatment of glaucoma. Several clinical studies have demonstrated that the presence of filtration blebs are associated with intraocular pressure (IOP) levels after trabeculectomy . Filtration bleb failure is caused in part by wound healing responses elicited during the operation.…”

Section: Introductionmentioning

confidence: 99%

“…Several clinical studies have demonstrated that the presence of filtration blebs are associated with intraocular pressure (IOP) levels after trabeculectomy. [1][2][3][4][5] Filtration bleb failure is caused in part by wound healing responses elicited during the operation. Numerous risk factors, such as neovascularization in the anterior ocular segments, active uveitis, history of cataracts and/or vitreous surgeries, and failure of previous filtration surgeries, are significantly associated with a poor outcome of trabeculectomy.…”

Section: Introductionmentioning

confidence: 99%

Monocyte chemotactic protein‐1 level in the aqueous humour as a prognostic factor for the outcome of trabeculectomy

Inoue

Kawaji

Tanihara

2013

Clinical Exper Ophthalmology

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“…1), are likely to be important in the maturation of human trabeculectomy blebs 30 . Bleb morphology is a poor predictor of IOP reduction, although a higher bleb is more likely to result in a lower pressure 31 . Most surgeons prefer a modestly elevated, diffuse, relatively large and posterior bleb for reasons of safety.…”

Section: Introductionmentioning

confidence: 99%

Surgical management of glaucoma: a review

Morgan

2012

Clinical Exper Ophthalmology

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This review will briefly describe the history of surgical glaucoma treatment and concentrate on the current surgical strategies for managing glaucoma. A discussion of treatments for angle closure, open-angle glaucoma and paediatric glaucoma with an emphasis on drainage surgery are included. The role of cataract surgery is also briefly described. Drainage surgery evolved from peripheral iridectomy and sclerotomy with an increasing understanding of aqueous flow within the eye and the production of a functioning bleb. The current mainstays include trabeculectomy, glaucoma drainage devices as well as goniotomy and trabeculotomy, which have all been in existence for more than 40 years. Their various advantages as well as methods used to minimize their disadvantages, including the antimitotics and case selection are discussed. We finish by discussing the preliminary results of some newer forms of drainage surgery illustrating the energetic search for methods to minimize the problems of hypotony and bleb failure.

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Correlation Between the Indiana Bleb Appearance Grading Scale and Intraocular Pressure After Phacotrabeculectomy

Cited by 14 publications

References 10 publications

The Prognostic Value of the Wuerzburg Bleb Classification Score for the Outcome of Trabeculectomy

The Prognostic Value of the Wuerzburg Bleb Classification Score for the Outcome of Trabeculectomy

Monocyte chemotactic protein‐1 level in the aqueous humour as a prognostic factor for the outcome of trabeculectomy

Surgical management of glaucoma: a review

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