What is a ureteral stent?

Ureteral stents, also known as double-J tubes and pigtail tubes, are about 2mm in diameter and 24-28cm in length, and are made of silicone or polyurethane, which is safe, non-toxic and has little body rejection. Some of the ureteral stents also contain special temperature-sensitive materials, which can become softer at body temperature, so that they can be placed in the body with less foreign body sensation and for a longer period of time.

Ureteral stenting is an important procedure in the urologist’s practice, and it plays a vital role in infections, stones, strictures, ureteral trauma, external ureteral compression, as well as internal and external tumors and surgical procedures.

When is a ureteral stent placed?
Ureteral stenting is needed mainly after ureteral stone or kidney stone surgery, stones with severe infection, after ureteroplasty, before partial ureteroscopic lithotripsy, and hydronephrosis due to tumor compression.

How long does the ureteral stent need to be placed?
Depending on the purpose, ureteral stents are placed in the body for different periods of time. Generally, it can be removed after 1 month after stone surgery, it needs to be placed for 2-3 months after ureteroplasty, while hydrocele due to tumor compression may need to be replaced periodically and placed for a long time.

What should I do after placing a ureteral stent?
After stent placement, you need to drink more water, ensure more than 2000ml; do not hold urine to prevent urine reflux from the bladder to the kidneys causing lumbago and lumbar distension; avoid strenuous activities to aggravate hematuria and even lead to stent tube dislocation.

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