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A ureteral stent (pronounced you-REE-ter-ul), or ureteric stent, is a thin tube inserted into the ureter to prevent or treat obstruction of the urine flow from the kidney. The length of the stents used in adult patients varies between 24 and 30 cm. Additionally, stents come in differing diameters or gauges, to fit different size ureters.
Ureteral stents are used for various purposes, such as temporary measures to prevent damage to a blocked kidney until a stone removal procedure can be performed, providing drainage for compressed ureters caused by tumors, and preventing spasms and collapse of the ureter after trauma during procedures like stone removal. The thread attached to ...
Left sided hydronephrosis in a person with an atrophic right kidney. Stent is also present (image below). Left sided hydronephrosis, coronal view. Stent is also present. Treatment of hydronephrosis focuses on the removal of the obstruction and drainage of the urine that has accumulated behind the obstruction.
The presence of indwelling ureteral stents may cause minimal to moderate discomfort, frequency or urgency incontinence, and infection, which in general resolves on removal. Most ureteral stents can be removed cystoscopically during an office visit under topical anesthesia after resolution of urolithiasis. [116]
During the healing process urine drains through the wide central lumen while the balloon remains inflated. The ureteric balloon catheter may be used in conjunction with a double J stent for additional drainage. To remove the catheter after several weeks the balloon is deflated by snipping the distal end of the catheter.
After getting treatment for a kidney stone, it got infected and she became septic. She told Scripps News Lexington that after initially rushing to Fort Logan Hospital in Stanford, ...
Anna had lacerated her kidney. Stents and drains were put in as the family spent two weeks in the ICU in Gainesville, worrying and praying. ... After the drains were removed again, infection ...
3D medical animation still shot of urethral stent. A permanent urethral stent [19] was approved for use in men with bulbar urethral strictures in 1996, but was recently [when?] removed from the market. [citation needed] A temporary thermoexpandable urethral stent (Memotherm) is available in Europe but is not currently approved for use in the ...