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Hunjin Choi, Jonghyun Lee, Jin Hyoung Kim, Do hyung Lee; Incidence rate of glaucoma after pars plana vitrectomy. Invest. Ophthalmol. Vis. Sci. 2015;56(7 ):3702.
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To evaluated the incidence of postoperative glaucoma after pars plana vitrectomy(PPV) and difference of the incidence rate of glaucoma between phakic and pseudophakic vitrectomized eyes.
Retrospective chart review of patients who underwent PPV between January 2007 and May 2014. The outcome measure was the presence or absence of postoperative glaucoma, defined as sustained elevation of intra ocular pressure(IOP) or definitive loss of neuro-retinal rim defect on fundus exam or optical coherence tomogrphy or showing glaucomatous change on visual field test that warranted maintenance of ocular hypotensive therapy.
There were 408 patients average age 56.21±7.94 included this study. Patients were followed for an average of 58±32 months. In the vitrectomized eye, 85 of the 408 patient were newly diagnosed as postoperative glaucoma.There were significantly higher incedence rate of postoperative glaucoma in vitrectomized eye compared with unoperated fellow eye. (p<0.01, Fisher exact test). And there were significantly higher incedence rate of postoperative glaucoma in pseudophakic eye compared with phakic eye. (p<0.01, Fisher exact test)
The incidence rate of glaucoma is higher in PPV patients, and it seems to particularly higher to those with pesudophakic eye. Therefore careful monitoring of the IOP is needed and appropriate manage in virectomized eye is essential, especially in pseudophakic patients.
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