Abstract
Background: Minimally invasive surgery (MIS) is now the gold standard for nephrectomy in pediatric patients. Retroperitoneoscopic (using either one or two instruments) and transperitoneal (TP) approaches are described. We compared the perioperative outcomes of different techniques [single-instrument retroperitoneoscopic (SIRP), two-instrument retroperitoneoscopic (TIRP), TP, and open approach]. Patients and Methods: Retrospective review of patients who underwent nephrectomy surgery in the period from January 2009 to January 2020 at a single center was carried out. We excluded patients who underwent other procedures under the same anesthetic, underwent heminephrectomy, and those with incomplete records. The primary outcome measures were operative time, intraoperative complications, postoperative complications, and length of hospital stay. One-way analysis of variance (ANOVA) test was used to analyze continuous variables. Chi square test was used to compare categorical variables. Results: A total of 213 nephrectomies were analyzed; SIRP (n = 35), TIRP (n = 50), TP (n = 74), and open (n = 54). Median age (months) was 71 for SIRP, 113 for TIRP, 67 for TP, and 21 for open. No statistical difference was identified for mean operative time (P = .067) or mean hospital stay (P = .69). Intraoperative complications were significantly more in the open group (P = .03). Postoperative complications were rare and only noted in the open group. There was no conversion to open surgery in the SIRP and TIRP groups. Conversion rate was 5.4% (4/74) in the TP group. Conclusion: MIS nephrectomy is safe, and no difference among techniques (SIRP, TIRP and TP) has been demonstrated. They are comparable to open surgery in terms of operative time and hospital stay, but are associated with significantly less complications.
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