Long-Term Results of Kidney Resection Using a Prolene Mesh Implant

INTRODUCTION: Renal neoplasms are among the most common diseases in urological practice. The detection rate of new cases of kidney cancer continues to grow, with the annual increment of primary cases of kidney cancer of 2%. AIM: To evaluate the long-term five-year results of the surgery of kidney resection using a prolene mesh implant, developed and introduced in the clinical practice. MATERIALS AND METHODS: The study included 90 patients who underwent kidney resection surgery more than 5 years before. Forty-five patients were operated on using the classic method (group 1), 45 patients were operated on according to the method of kidney resection using a prolene mesh developed in the clinic (group 2). The following characteristics of the remote postoperative period were studied: overall five-year survival, cancer-specific five-year survival, glomerular filtration rate and azotemia levels before the surgery, at 1.5 months and 5 years after the surgery. RESULTS: The studied groups of patients were comparable in the initial characteristics. The overall and cancer-specific survival rates were comparable in groups 1 and 2 (р > 0.1). In the course of study, in group 1, at 1.5 months after the operation, the creatinine/urea parameter increased by 8.9/9.8%, in the long-term postoperative period by 19.4/15.5% (р < 0.05). In group 2 patients, the growth by 5.2/14.8% and 2.9/14.6%, respectively, was noted in the same periods (р < 0.05). When using the method of kidney resection with application of mesh implant, less pronounced changes in the glomerular filtration rate were noted as compared to the initial data (р = 0.0001). CONCLUSION: The developed method of kidney resection with use of a prolene mesh is characterized by better functional results in the remote postoperative period compared to the classic method, which is manifested by less pronounced changes in the level of glomerular filtration rate and fewer long-term non-oncological complications.