Pattern of Surgical Procedures Performed for Vitreo-retinal Diseases At Lahore General Hospital
Purpose: Analysis of the pattern of vitreo-retinal procedures performed at Lahore General Hospital according to the disease.
Study Design: Cross Sectional Study.
Place & Duration of Study: Lahore General Hospital, Lahore from January 2017 to January 2018.
Material & Methods: A complete pre-operative examination was performed including visual acuity, slit lamp examination, dilated fundus examination and B scan of the orbit if required. Plan for surgical procedure was according to the clinical findings. All vitrectomies were done using 23 G instruments. scleral buckling procedures were done under general anesthesia. Data regarding the surgical procedure and its steps was documented on a performa. All patients with incomplete data were excluded from the study.
Results: There were 619 patients included in the study out of which 422 were males and 197 were females. There were 321 patients having Rhegmatogenous retinal detachment out of which 47 (14%) underwent buckling, 121 (38%) underwent PPV and 153 (48%) underwent PPV combined with buckling. There were 94 patients with vitreous hemorrage all of whom underwent PPV except for one who also had buckling. There were 31 patients with macular hole, 116 patients with tractional retinal detachment, 12 with intraocular foreign body, 15 with nuclear fragment or IOL drop, 14 with endophthalmitis, 9 with subhyaloid hemorrhage and 8 with Epiretinal membrane. Silicone oil was used in 60% of the cases, SF6 gas was used in 5.7% cases, air in 7.9% cases and fluid in 26.2% cases.
Conclusion: Rhegmatogenous retinal detachment is the commonest surgical disease and pars plana vitrectomy is the most commonly used procedures for various vitreoretinal diseases.