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To introduce our experience of three different retroperitoneoscopic surgical method for renal pedicle lymphatic disconnection (RRPLD), and to evaluate the clinical outcomes of patients treated with different methods. Clinical data of 141 patients (56 males and 85 females) with chyluria who underwent surgical treatment in our hospital from 2013-04 to 2018-11 were collected. 34 cases, 64 cases and 43 cases were treated with traditional, modified and simplified retroperitoneal laparoscopic renal pedicle lymphatic ligation respectively. Data of all groups were analyzed by SPSS17.0 software. The data were expressed as (x ± s). One-way analysis of variance was used for comparison between groups, with P < 0.05 as the difference. The differences of operation time, intraoperative bleeding volume, bed rest time after operation, bowel recovery time, hospital stay after operation, recurrence rate of follow-up and VAS were compared. All patients underwent surgery successfully. In the aspects of operation time, intraoperative blood loss, postoperative bowel recovery, postoperative hospital stay, postoperative pain score (VAS), the simplified procedure was superior to the traditional and modified surgery, and the difference was statistically significant (P<0.05). There were no statistical differences in the three groups between surgical complications and recurrence rates. Compared with traditional and modified procedures, simplified retroperitoneoscopic renal pedicle lymphatic ligation can achieve the same clinical treatment effect in the treatment of chyluria. Simplified operation is a feasible and effective surgical method. The surgical procedure is simpler, with the advantages of short operation time, less intraoperative blood loss, quick recovery after operation, etc. It is easy to grasp and has the promotion value.

Keywords: Chyluria, Retroperitoneoscopic, Renal Pedicle Lymphatic Ligation, Simplified Surgery.