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Ureteral stent Ureteral stent (detail) 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 ...
A prostatic stent is a stent used to keep open the male urethra and allow the passing of urine in cases of prostatic obstruction and lower urinary tract symptoms (LUTS). Prostatic obstruction [ 1 ] is a common condition with a variety of causes.
A ureteric balloon catheter is a balloon catheter intended for treating strictures of the ureter.In fact it is a double J stent on which a balloon is mounted. It is connected to a delivery device (pusher) to introduce it from the bladder into the ureter.
Common indications for urinary catheterization include acute or chronic urinary retention (which can damage the kidneys) from conditions such as benign prostatic hyperplasia, orthopedic procedures that may limit a patient's movement, the need for accurate monitoring of input and output (such as in an ICU), urinary incontinence that may compromise the ability to heal wounds, and the effects of ...
The stent is worn for 30 days and allows the patient to have volitional voiding with improved quality of life compared to a Foley catheter. Urinary flow generally improves over a few months. Patients maintained on alpha-blockers after transurethral microwave thermotherapy may experience fewer urinary symptoms and have a decreased incidence of ...
Medical imaging, including urinary tract ultrasound, CT or nuclear medicine imaging is conducted to investigate many causes. [13] [14] This may involve reinserting the ureters into a new place on the bladder (reimplantion), or widening of the ureter. [13] A ureteric stent may be inserted to relieve an obstruction. [16]
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Stent placement can be useful for saving a kidney at risk for postrenal acute kidney failure due to the increased hydrostatic pressure, swelling and infection (pyelonephritis and pyonephrosis) caused by an obstructing stone. Ureteral stents vary in length from 24 to 30 cm (9.4 to 11.8 in) and most have a shape commonly referred to as a "double ...