Knotted proximal loop of ureteric stents: Review of the literature and five case reports

Ahmadi, Nariman; Tran, Minh Hoang; Elms, Martin; Ko, Raymond

doi:10.1177/2051415814532810

Cited by 9 publications

(14 citation statements)

References 24 publications

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“…The specific situation in this case was that ureteral stent replacement was performed urgently by another urologist. The frequency of stent knotting has been reported to be influenced by the physician’s experiment 8 . Although the exact cause of knot formation was not evident in this case, ureteral stent replacement should be performed with the help of imaging.…”

Section: Discussionmentioning

confidence: 80%

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: 80%

Knotted ureteral single‐J stent in a patient with ureterocutaneostomy

et al. 2021

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“… 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. Ureteroscopy is usually the endourological procedure of choice.…”

Section: Discussionmentioning

confidence: 99%

A knotted ureteral stent

Cho

2020

Urology Case Reports

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“…Meanwhile, for those related to promotion of ureteric anastomosis healing or prophylactically insertion prior to ESWL for renal stones, gentle traction with or without adjuncts appears to be the preferred choice. then retrieved by percutaneous method later on [3,5]. Lastly, Flam et al [15] chose to insert a 2 nd Double J stent to promote dilatation of the ureter before proceeding to remove the knotted stent by untying the knot using a 5 Fr alligator forceps.…”

Section: Ureteroscopy and Holmium Lasermentioning

confidence: 99%

“…Among the many reported risk factors include the consistency and diameter of the stent, alteration of coil configuration during removal, the number of coils made by the multi-length stent coils, presence of stent encrustation and surgeon's experience in insertion [3][4][5].…”

Section: Introductionmentioning

confidence: 99%