Antegrade removal of a knotted ureteric stent: Case report and review of literature

Bradshaw, Jennifer; Khan, Atif Irfan; Adiotomre, Ese; Burbidge, Simon; Biyani, Chandra Shekhar

doi:10.4103/ua.ua_172_18

Cited by 9 publications

(16 citation statements)

References 21 publications

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“…To date, 30 reports of such complications associated with pure stent knotting including our case have been reported since the first report in 1989. 3 , 4 , 5 In the majority of cases, knotting was observed at the proximal end of the indwelling stent.…”

Section: Discussionmentioning

confidence: 99%

Knotted ureteral single‐J stent in a patient with ureterocutaneostomy

et al. 2021

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Introduction Although ureteral stent catheterization is a common procedure in urological practice, knotting of a ureteral catheter is a very rare complication. Case presentation A 62‐year‐old man underwent cystectomy and ureterocutaneostomy for bladder cancer. The ureteral single‐J stent was changed every month postoperatively without complications. However, at postoperative 30 months, resistance was experienced while adjusting the stent position after the exchange. Abdominal radiography revealed knotting of the stent at the right renal pelvis. The knotted stent was percutaneously removed because the patient had only one functioning kidney. A nephrostomy tract was established and the ureteral stent was exchanged. No complications occurred in the perioperative period. Conclusion We encountered a case of a knotted ureteral single‐J stent in a man treated with ureterocutaneostomy. In this case, resistance was noticed during extraction; the possibility of stent knotting should always be considered, and an appropriate removal strategy must be planned.

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Section: Discussionmentioning

confidence: 99%

Knotted ureteral single‐J stent in a patient with ureterocutaneostomy

et al. 2021

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“…However, renal transplantation, ileal conduit, ureteric reimplantation, malignant ureteric obstruction, and retroperitoneal fibrosis were among other reported indications. 3 …”

Section: Discussionmentioning

confidence: 99%

“…Stents with smaller diameters and greater manoeuvrability do not seem to increase the risk since stent diameters ranging from 4.7 to 7 Fr have been associated with knotting. 3 Longer duration of stent placement may increase risk of stent encrustation but not knotting. Excessive stent length and coil formation were considered as important predisposing factors for the condition.…”

Section: Discussionmentioning

confidence: 99%

“…Redundant stent has been observed as a possible cause of knotting in patients with short ureters after fashioning of ileal conduit, ureteric reimplantation, and renal transplantation. 3 , 4 The use of multilength stents prevents stent migration, but may associate with higher risk of knotting. The risk may be higher in the presence of abnormal anatomy of renal pelvis or presence of renal stones which may alter the configuration of the proximal coil.…”

Section: Discussionmentioning

confidence: 99%

“…Transient hydroureteronephrosis and renal colic were not uncommon after extraction. 3 Possible major ureteric injury or loss of the renal unit should not be overlooked. 5 If resistance is encountered during traction, alternative intervention should be sought.…”

Section: Discussionmentioning

confidence: 99%

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