The complication of vitrectomy in treatment of proliferative diabetic retinopathy

Objective To analyze the complications of vitrectomy in treatment of proliferative diabetic retinopathy. Methods 42 cases 48 eyes of PDR treated with vitrectomy were followed up 6～40 months,observing the intraoperative or postoperative complications. Results Among the complications of these cases,introgenic retina hole occured in 9 eyes(18.8%);intraoperative vitreous hemorrhage in 6 eyes(12.5%),postoperative vitreous hemorrhage in 8 eyes(16.7%);corneal edema in 10 eyes(20.8%);rubeosis iridis and neovascular glaucoma in 5 eyes(10.4%);retinal detachment in 5 eyes(10.4%);complicated cataract in 21eyes(43.8%)and CRAO in 2eyes(4.2%). Conclusions The main influencing factor were related with the severity of PDR;surgical skills and wether dealing with every pathological area correctly and thoroughly.Operating any pathological area correctly and noticing systemic status momently would reduce the complications to some degree.