Patient and omentum weights, technical difficulties, operation time, catheter survival and omentectomy-related complications as well as the advantages of omentectomy in case of catheter migration were noted for evaluation. Results: Of 173 patients, 20 were died because of unrelated-PD problems (mainly cardiovascular events), 01 had kidney transplantation and 04 transfered to hemodialysis because of refractory peritonitis.