EFFECT OF INTRAVITREAL GAS TAMPONADE FOR SUTURELESS VITRECTOMY WOUNDS
- 1 April 2011
- journal article
- research article
- Published by Ovid Technologies (Wolters Kluwer Health) in Retina
- Vol. 31 (4), 702-706
- https://doi.org/10.1097/iae.0b013e3181f0d2e6
Abstract
To investigate the effect of gas tamponade on wound closure and postoperative hypotony by comparing fluid-filled and gas-filled eyes after 25-gauge sutureless vitrectomy using three-dimensional corneal and anterior segment optical coherence tomography. Twenty-four eyes of 24 patients who underwent a 25-gauge transconjunctival sutureless vitrectomy were included in this prospective study. A total of 72 scleral wounds were observed using three-dimensional corneal and anterior segment optical coherence tomography at 3 hours and at 1, 3, 7, and 14 days postoperatively. Scleral wound closure was defined as the absence of a scleral gap at the sclerotomy site, as observed using three-dimensional corneal and anterior segment optical coherence tomography. The rate of wound closure, intraocular pressure, and the incidence of complications were compared between the fluid- and gas-filled eyes. The rates of scleral wound closure at 3 hours and at 1, 3, 7, and 14 days were 26.2%, 28.6%, 35.7%, 52.4%, and 85.7% in fluid-filled eyes and 53.3%, 73.3%, 76.7%, 83.3%, and 93.3% in gas-filled eyes; these rates were significantly higher for the gas-filled eyes. The intraocular pressure was significantly higher in the gas-filled eyes than in the fluid-filled eyes on postoperative Day 1 but did not differ significantly between the 2 groups on postoperative Day 3 and thereafter. Three-dimensional corneal and anterior segment optical coherence tomography provided clear images of 25-gauge sutureless vitrectomy wounds and revealed that the sclerotomies closed faster in gas-filled eyes than in fluid-filled eyes. Thus, gas tamponade might be effective for the closure of sutureless vitrectomy wounds.This publication has 21 references indexed in Scilit:
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