American journal of ophthalmology · 2001
Peritubular filtration as cause of severe hypotony after Ahmed valve implantation for glaucoma.
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García-Feijoó J, Cuiña-Sardiña R, Méndez-Fernández C, Castillo-Gómez A, García-Sánchez J
Аннотация
PURPOSE: To report peritubular filtration as the cause of severe hypotony after Ahmed valve implantation.
METHODS: Interventional case report. In a 65-year-old man with primary open-angle glaucoma, ultrasound biomicroscopy was used to image the peritubular region of his right eye that had severe hypotony during the early postoperative period after an Ahmed valve implantation.
RESULTS: The ultrasound biomicroscopy examination showed peritubular filtration. Additional surgery consisting of tube extraction, closure of the previous insertion opening, reformation of the anterior chamber with viscoelastic, and reintroduction of the tube through a new paracentesis was performed to solve this complication. Twenty-four hours postoperatively, the intraocular pressure increased to 10 mm Hg. During the 6-month follow-up, the mean intraocular pressure was 16.36 mm Hg (standard deviation, 1.45).
CONCLUSION: The possibility of peritubular filtration should be considered in eyes with severe hypotony after restrictive valve implantation.
METHODS: Interventional case report. In a 65-year-old man with primary open-angle glaucoma, ultrasound biomicroscopy was used to image the peritubular region of his right eye that had severe hypotony during the early postoperative period after an Ahmed valve implantation.
RESULTS: The ultrasound biomicroscopy examination showed peritubular filtration. Additional surgery consisting of tube extraction, closure of the previous insertion opening, reformation of the anterior chamber with viscoelastic, and reintroduction of the tube through a new paracentesis was performed to solve this complication. Twenty-four hours postoperatively, the intraocular pressure increased to 10 mm Hg. During the 6-month follow-up, the mean intraocular pressure was 16.36 mm Hg (standard deviation, 1.45).
CONCLUSION: The possibility of peritubular filtration should be considered in eyes with severe hypotony after restrictive valve implantation.