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Curr Opin Ophthalmol. 2012 Mar;23(2):118-26. doi: 10.1097/ICU.0b013e32834ff2d1.

The Tube Versus Trabeculectomy Study: interpretation of results and application to clinical practice.

Author information

1
Bascom Palmer Eye Institute, Miller School of Medicine, University of Miami, Miami, Florida 33136, USA. sgedde@med.miami.edu

Abstract

PURPOSE OF REVIEW:

The Tube Versus Trabeculectomy (TVT) Study is a multicenter randomized clinical trial comparing the safety and efficacy of tube-shunt surgery to trabeculectomy with mitomycin C (MMC) in eyes with previous cataract and/or failed glaucoma surgery. This article interprets results from the TVT Study and applies them to clinical practice.

RECENT FINDINGS:

Both tube-shunt surgery and trabeculectomy with MMC produced intraocular pressure (IOP) reduction to the low teens throughout the 5-year duration of the study. Tube-shunt surgery was associated with use of more glaucoma medications than trabeculectomy with MMC during the first 2 years of the study, but medical therapy equalized with longer follow-up. Trabeculectomy with MMC had higher rates of surgical failure and reoperation for glaucoma compared with tube-shunt surgery. Vision loss occurred at a similar rate with the two surgical procedures. Early complications were more frequent after trabeculectomy with MMC relative to tube-shunt surgery, but both procedures had similar rates of late postoperative complications and serious complications.

SUMMARY:

Tube-shunt surgery and trabeculectomy with MMC are both viable surgical options for managing glaucoma in patients who have undergone prior cataract and/or failed filtering surgery. Results of the TVT Study support the expanding use of tube shunts beyond refractory glaucomas.

PMID:
22249235
DOI:
10.1097/ICU.0b013e32834ff2d1
[Indexed for MEDLINE]

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