Muhammad Amin Shaikh, Syed Imtiaz Ali Shah, Altaf Hussain Sheikh, Khalid Rasul Shaikh, Amanullah Shaikh.
Outcome and Complications after Pan-Retinal Laser Photocoagulation for Proliferative Diabetic Retinopathy: An Experience at CMC Hospital Larkana.
Ophthalmol Update Jan ;13(1):19-21.

Objective: In this observational study we document the outcomes and complications of pan retinal photocoagulation in diabetic patients having proliferative diabetic retinopathy. Material and Methods: This observational study was conducted at Department of Ophthalmology, Chandka Medical College SMBBMU Larkana from March 2011 to February 2013. Three hundred and sixty one eyes of two hundred thirty two patients were treated in three sessions. Follow up was planned at one week, one month and three months and then yearly for two years and all the complications were documented. Visual acuity and retinal examination was performed at each follow up and any complication was documented. Data was entered on SPSS version 16 for windows and analyzed. Results: Three hundred and sixty one eyes of two hundred and thirty two patients under went pan-retinal photocoagulation. There were 126 (54.4%) females and 106 (45.6) males with a mean age of 62.07 years (SD=8.15). Mean laser shots applied were 3200 with a minimum of 2700 to a maximum of 3800 and an average power of 360 mv (SD=55.63) intra-operative complications occurred in 183 patients. Long term complications included, progression of diabetic retinopathy after a period of complete resolution of new vessels, vitreous hemorrhage, Tractional retinal detachment, progression of cataract, macular edema. Pre-macular fibrosis and macular hemorrhage. At last follow up visual acuity improved in 143 eyes, deteriorated in 183 and remained unchanged in 35 eyes. Conclusion: Pan retinal photocoagulation is a safe and effective procedure. A close follow up is needed after this procedure to avoid long term complications and to treat them as soon as possible.

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