Pyeloplasty in the Pelvic Kidney: A Step-by-step Video
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Pyeloplasty in the Pelvic Kidney: A Step-by-step Video

J Urol Surg 0;0(0):0-0
1. İstanbul University-İstanbul Faculty of Medicine, Department of Urology, İstanbul, Turkiye
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Received Date: 17.12.2023
Accepted Date: 09.01.2024
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ABSTRACT

Ectopic kidneys, with a prevalence of 1/1000-4000, often manifest in the pelvic region, leading to complications such as ureteropelvic junction (UPJ) obstruction. This video article presents a case of open pyeloplasty in a 15-month-old infant with a pelvic kidney, emphasizing technical details for educational purposes. The patient was prenatally diagnosed with pelvic kidney hydronephrosis at 22 weeks of gestation, progressing to grade 4 postnatally. MAG-3 scintigraphy confirmed UPJ obstruction, warranting open pyeloplasty. A Pfannenstiel incision provided access to the Retzius space. The ureter was dissected, revealing the adhered renal pelvis. Stay sutures facilitated dissection, and 5/0 polyglactin sutures were strategically placed because of anatomical anomalies. Ureteropelvic anastomosis was performed using 6/0 PDS sutures. A 3-Fr Double J catheter preceded the closure of the renal pelvis. The procedure was concluded with meticulous layer closure. The operation lasted for 50 min, with minimal blood loss (10 mL). Postoperative day 2 saw drain removal, and the patient was discharged. Ureteral stent removal occurred at 4 weeks. A 3-month follow-up ultrasound revealed a notable reduction in hydronephrosis, with an anteroposterior diameter of 6 mm. This video article elucidates the nuances of open pyeloplasty in pelvic kidneys and serves as a valuable resource for residents and fellows. The concise procedure, with a brief operative time and minimal blood loss, showcases the efficacy of the surgical intervention.

Keywords: Antenatal hydronephrosis, pediatric, pelvic kidney, pyeloplasty, renal anomalies, surgery, ureteropelvic junction obstruction

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