A Urological Twist: Literature Review, An Australian Experience and Management Algorithm for Knotted Ureteric Stents

Knotted ureteric stents remain a rare complication, with only 34 cases reported to date. They require prompt recognition and skilful management to avoid ureteric injury. Knots more often occur at the proximal end of stents, have a male preponderance, are associated with multi-length stents and relat...

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Bibliographic Details
Published in:Journal of urological surgery 2021-06, Vol.8 (2), p.151-155
Main Authors: Lee, Brendon W.H, Nassour, Anthony-Joe, Ashrafi, Darius R, Mitterdorfer, Andrew J
Format: Article
Language:English
Subjects:
Algorithms
Case studies
Complications
Complications and side effects
Conflicts of interest
Consent
Endoscopy
holmium:yag laser
Hydronephrosis
knotted ureteric stent
Lasers
Lasers in surgery
Literature reviews
multi-length stent
percutaneous nephrostomy
Stent (Surgery)
stent removal
Stents
Surgery
treatment algorithm
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Description
Summary:Knotted ureteric stents remain a rare complication, with only 34 cases reported to date. They require prompt recognition and skilful management to avoid ureteric injury. Knots more often occur at the proximal end of stents, have a male preponderance, are associated with multi-length stents and relate to the J-coil configuration, which is affected by the renal pelvis anatomy, hydroureter and presence of urolithiasis. We present our experience of a knotted stent managed using holmium:yttrium aluminium garnet laser and traction. We also provide an updated literature review and recommend a treatment algorithm for this rare but important complication.
ISSN:2148-9580
2148-9580
DOI:10.4274/jus.galenos.2020.0016