Common Medical Conditions Requiring Ureteral Stents
Ureteral stents are used across a wide range of medical conditions that affect urine flow. One of the most frequent indications is kidney stones. Large or impacted stones can block the ureter, leading to severe pain and infection. A stent allows urine to bypass the obstruction while further treatment is planned.
Post-surgical swelling is another common reason for stent placement. After procedures such as ureteroscopy or kidney surgery, inflammation may temporarily narrow the ureter. A stent maintains patency during the healing process.
Ureteral strictures—abnormal narrowing caused by scar tissue—also necessitate stenting. These strictures may result from previous surgeries, infections, or radiation therapy. Stents help prevent kidney damage by restoring normal urine flow.
In cases of tumors pressing on the ureter, either from within or externally, stents are used to counteract compression. This is particularly important in pelvic or abdominal cancers, where tumor growth can compromise ureteral function.
Infectious conditions, such as severe urinary tract infections accompanied by obstruction, may also require urgent stenting. By allowing proper drainage, stents reduce bacterial load and enhance antibiotic effectiveness.