Assertion: stent's use | /r/HasProperty | tube
Facets:
Source sentences:
text: • Provides a self-retaining capability due to a double coil (“J-shaped) at the proximal and distal ends that work to securely anchor the stent in the upper urinary tract (renal pelvis and upper calyx) and the bladder • Both ends have multiple side holes that allow urine to drain freely from the kidney’s upper collecting system, down through and around the stent, and into the bladder • The use of a string attached to the distal coil of a pigtail stent can also be used to facilitate stent extraction without requiring a cystoscopy • Stent migration is prevented proximally or distally despite urinary flow, patient movement, and ureteral peristalsis • Double-J® or pigtail stent is a catheter or tube placed within the ureteral lumen in a retrograde or antegrade fashion in order to maintain its patency • Passed cystoscopically to reside within the ureter • A guidewire is removed from the core of the stent • Indication is to relieve upper tract obstruction from any cause • Stent discomfort • Hematuria (25%) •