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Abstract
Purpose
Our experience of laparoscopic surgeries in pediatric patients was analyzed to search for a convenient approach method during the procedure.
Materials and Methods
Between March 2003 and March 2005, 24 children underwent laparoscopic renal surgeries (16 nephrectomies or nephroureterectomies and 8 partial nephrectomies) at our institution. The children consisted of 10 boys and 14 girls, aged from 5 months to 16 years old, with a median age of 3 years. The final diagnoses consisted of 11 non-functioning kidneys, two dysplastic kidneys associated with an ectopic ureter, three multicystic dysplastic kidneys and eight complicated duplex kidneys.
Results
All operations were successfully performed; by either a transperitoneal or retroperitoneal approach in 13 and 11 cases, respectively. The transperitoneal approach was applied for an ureterectomy, including renal surgery (five cases), or a partial nephrectomy (eight cases), and the retroperitoneal approach was used for a simple nephrectomy of dysplastic (five cases) or non-functioning kidney (six cases). The operative times were 98-220 (mean 168) and 71-415 (mean 189) minutes in transperitoneal and retroperitoneal approaches, respectively. The blood loss was less than 50ml in most cases. No severe complications occurred, with the exception of postoperative urine leakage from the ureterectomy stump in one case. An ureterectomy and partial nephrectomy favored a transperitoneal approach because of the wide vision and working space. For dysplastic or non-functioning kidneys, the localization of the kidney using a ureteral catheter and fluoroscopy reduced the operative time.
Conclusions
Laparoscopic renal surgery in pediatric patients is an adaptable technique, regardless of the anatomical structures. The transperitoneal approach may be better adapted for a nephroureterectomy and partial nephrectomy, and fluoroscopy-guided kidney localization is useful for a retroperitoneal nephrectomy in dysplastic or non-functioning kidneys.
Figures and Tables
Fig. 1
Treatment algorithm. "Yes" means that the renal pathology is any of two questions. "No" means that it is not for all of them.
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