Nephrotransplantectomy Using Radiosurgical Techniques

Abstract

Introduction. Aſter the loss of kidney transplant function, patient curation can be a difficult task. Nephrotransplantectomy (NTE) is the method of choice between reduction of immunosuppression with the abandonment of a non-functioning kidney transplant and embolization. This is an operation with potentially significant indicators of blood loss, complications and mortality. Along with traditional NTE, we began to use endovascular isolation of the allograſt as a method of preoperative preparation before its removal.The aim of the work is to investigate the effect of the use of radiosurgical minimally invasive techniques on the surgical tactics of nephrotransplantectomy, the degree of blood loss, the frequency of complications and blood transfusion.Materials and methods. A retrospective analysis of the data of 52 patients aſter NTE was performed. Depending on the method, patients are divided into two groups. In group 1 (main, n = 22), the operation was performed with pre-performed endovascular embolization of the graſt arteries (EEAT), in group 2 (control, n = 30) — without EEAT. The analysis of the results of the examination, intra- and postoperative indicators in patients by groups was carried out.Results. In group 1, intraoperative blood loss was 10–80 ml, on average (35.4±19.9) ml; in group 2 — from 100 to 600 ml, on average (289.7±138.4) ml (p < 0.001). In group 2, damage to the main vessels occurred more oſten (n = 4) (13.3 % vs. 0 %), hemotransfusion was performed in 53.3 % of cases (n = 16) to correct posthemorrhagic anemia. Postoperative complications in the control group were recorded in 8 patients (26.7 %).Discussion. Preventive endovascular embolization of the arteries of a kidney transplant significantly reduces the frequency ofintra- and postoperative complications, allows nephrectomy to be performed on a planned basis andin a delayed manner.