A knotted ureteral stent

Cho, Chak‐Lam

doi:10.1016/j.eucr.2020.101327

Cited by 8 publications

(7 citation statements)

References 2 publications

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“…According to the current literature, most knotted stents had knot formation at the proximal loop. 1 , 2 , 3 In contrast, only two cases of mid-portion and one case of distal loop knot formation cases were reported. 4 , 5 In 2002, Quek et al reported the first case of mid-portion knot formation in a double J stent, and managed successfully by gentle traction.…”

Section: Discussionmentioning

confidence: 99%

“…1 Nevertheless, stent knotting is very rare among these complications. 1 , 2 It can cause ureteral trauma or avulsion, especially if the stent is not pulled gently. 1 Moreover, it may necessitate further endourologic procedures to remove the stent.…”

Section: Discussionmentioning

confidence: 99%

“…There are few case reports of knotted stents reported in the literature; nevertheless, the knotting occurred mainly in the proximal loops. 1 , 2 This report presents a rare case of a downward migrated stent with knot formation at the mid-portion.…”

Section: Introductionmentioning

confidence: 96%

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Management of a patient with a double J stent knotted at the mid-portion

Gür¹,

Eraslan²,

Mohamed³

et al. 2022

Urology Case Reports

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Management of a patient with a double J stent knotted at the mid-portion

Gür¹,

Eraslan²,

Mohamed³

et al. 2022

Urology Case Reports

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“…Excessive DJ stent length and coil formation have been hypothesized as a possible cause of ureteral stent knot formation in patients with short ureters, such as segmental ureter resection or renal transplantation. Therefore, controlling the length of the stent in the ureter can avoid knot formation [ 7 , 10 ]. Multilength DJ stents are associated with a lower risk of stent migration; but seem to increase the risk of knot formation and renal stones, potentially influencing proximal coil configuration during stent positioning [ 2 , 7 ].…”

Section: Discussionmentioning

confidence: 99%

Knotted double j ureteral stent: a case report and literature review

Jendouzi¹,

Lamghari²,

Jamali³

et al. 2022

Pan Afr Med J

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Many complications due to double j (DJ) stent placement have been reported. DJ stent knotting is a rare complication, with only a few cases reported in the literature. We presented a case of DJ stent knotting and reviewed the literature regarding this complication. We reported a 20-year-old man with a history of cystinuria and ureteral stone managed with retrograde ureteroscopy and holmium laser three months ago. The patient comes for DJ stent removal. Firstly, we tried to remove the DJ stent via the cystoscopic procedure, which failed. A fluoroscopic image revealed a knotted DJ stent lodged at the ureteropelvic junction and was removed via holmium laser ureteroscopic procedure without complications. In conclusion, when cystoscopic procedure with simple traction fails to remove DJ stents, multimodality urological procedures such as holmium laser should be tried, especially in patients with urolithiasis predisposing factors.

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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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A knotted ureteral stent

Cited by 8 publications

References 2 publications

Management of a patient with a double J stent knotted at the mid-portion

Management of a patient with a double J stent knotted at the mid-portion

Knotted double j ureteral stent: a case report and literature review

Knotted ureteral single‐J stent in a patient with ureterocutaneostomy

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