Dialysis catheter insertion is a medical procedure in which a catheter is placed in a patient's vein to allow for the exchange of blood during dialysis treatment. Dialysis is a process used to remove waste products and excess fluid from the blood in patients with kidney failure. The catheter is a flexible tube that is inserted into a large vein in the neck, chest, or groin area. The catheter has two lumens or openings, one for withdrawing blood from the patient and the other for returning the blood after the dialysis process is complete.

The procedure is typically performed by a trained healthcare professional, such as a nephrologist or interventional radiologist, in a hospital or outpatient clinic. Before the procedure, the patient's medical history and current health status are evaluated to determine the best location for the catheter placement. The area where the catheter will be inserted is cleaned and numbed with local anesthesia to reduce discomfort during the procedure.

During the procedure, the catheter is inserted through a small incision in the skin and carefully threaded into the vein. The catheter's position is confirmed using imaging techniques such as X-rays or ultrasound. Once the catheter is in place, it is secured to the patient's skin with sutures or adhesive dressings.

After the procedure, the patient is monitored for any signs of complications such as bleeding, infection, or catheter dislodgment. The catheter is typically used for a short period of time, such as several weeks to a few months, before it is replaced with a more permanent dialysis access such as a fistula or graft.

It's important for patients with dialysis catheters to maintain proper hygiene and care to prevent infection and other complications. They should also follow their healthcare provider's instructions for using the catheter and attend regular follow-up appointments to monitor the catheter's function and overall health.