The volume of intraoperative blood loss and the functional state of the kidneys in various methods of surgical treatment of large and complex kidney stones

Introduction. Despite the development of minimally invasive technological methods for the treatment of urolithiasis, improving the functional state of the kidneys in the postoperative period does not lose its importance at the present time. The decrease and loss of renal function after surgical treatment of complex forms of nephrolithiasis in various ways creates the problem of choosing one or another surgical technique in order to avoid negative results of surgical treatment. modern urology. Purpose of the work: to assess the correlation between the volume of intraoperative blood loss and dynamic changes in glomerular filtration rate (GFR) in the postoperative period with various methods of surgical treatment of large and complex kidney stones.