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Comparative observation of laparoscopic robot-assisted pyeloplasty through transmesenteric approach and retrocolic approach in the treatment of children with hydronephrosis / 中华泌尿外科杂志
Chinese Journal of Urology ; (12): 896-900, 2021.
Article in Chinese | WPRIM | ID: wpr-911145
ABSTRACT

Objective:

To compare the advantages and disadvantages of laparoscopic robot-assisted transmesenteric approach and retrocolic approach disconnected pyeloplasty in the treatment of children with hydronephrosis.

Methods:

From October 2020 to March 2021, 19 children with hydronephrosis were divided into two groups intra-renal type and extra-renal type. Among them, 15 were males and 4 were females. The average age of the patients was 3.5 years old (0.2 years old to 16.8 years old), and the average weight was 18.4 kg (5.5 kg to 67.0 kg). The average ERPF of affected kidney before surgery was 35.4%(23.0%-49.8%). All of them were treated with laparoscopic robot-assisted transmesenteric approach and retrocolic approach disconnected pyeloplasty. The operation was performed in accordance with the standard surgical procedures of the guidelines. After the insertion of the trocar, the children in the transmesenteric group were exposed to the renal pelvis by incising the colonic mesangium into the retroperitoneal space, while in the retrocolic group, the peritoneum was cut into the retroperitoneal space to expose the renal pelvis. After that, the steps of incision, cutting, tube placement, and suture of the renal pelvis and ureter were the same in the two groups. Among the 10 cases of the extrarenal type, 6 cases were in the transmesenteric group and 4 cases were in the retrocolic group; among the 9 cases of the intrarenal type, 5 cases were in the transmesenteric group and 4 were in the retrocolic group. There was no statistically significant difference in age, weight, and renal function of the affected side before operation in different surgical approach groups ( P>0.05). The operation time, intraoperative anastomosis time, intraoperative blood loss and postoperative hospital stay were recorded and compared. There was no statistical difference in the age, weight, and renal function of the affected side before the operation.

Results:

19 cases were followed up for 6 months, no complications such as fever or wound infection occurred. The operation was successfully completed in all patients, no patients were transferred to open surgery, and the hydronephrosis was significantly reduced. Symptoms disappeared in both groups. Of the 19 children. In children with extrarenal type, the operation time of the transmesenteric group and the retrocolic group were (108.8±15.5) min and (132.8±7.6) min, and the intraoperative anastomosis time was (40.7±6.1) min and (51.5±5.5)min, the estimated intraoperative blood loss was (9.5±2.1) ml and (9.3±0.8) ml, respectively, and the postoperative hospital stay was (9.0±1.6) d and (9.3±2.9) d. The operation time and the difference of intraoperative anastomosis time was statistically significant ( P<0.05). In children with intrarenal type, the operation time of the transmesenteric group and the retrocolic group were (136.6±7.9) min and (116.5±13.5) min, and the intraoperative anastomosis time was (52.8±6.9) min and (40.8±6.2), min, the estimated blood loss during the operation was (11.4±2.3) ml and (10.5±0.9) ml, and the postoperative hospital stay was (8.8±1.7) d and (8.0±1.6) d. The operation time and The difference of intraoperative anastomosis time was statistically significant ( P<0.05). The 19 cases were followed up for 6 months, and there was no complications such as fever or wound infection. The volume of hydronephrosis was significantly reduced compared with that before operation, and the renal blood perfusion increased compared with that before operation. The difference was statistically significant ( P<0.05).

Conclusion:

In terms of shortening the operation time and suture time, for laparoscopic robot-assisted transmesenteric approach and retrocolic approach disconnected pyeloplasty in the treatment of children with hydronephrosis, the transtransmesenteric approach is more advantageous in the treatment of extrarenal hydronephrosis, while the retrocolic approach is more advantageous in the treatment of intrarenal hydronephrosis.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Practice guideline Language: Chinese Journal: Chinese Journal of Urology Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Practice guideline Language: Chinese Journal: Chinese Journal of Urology Year: 2021 Type: Article