Stent

Definition

A stent is a tiny tube placed into an artery, blood vessel, or other hollow structure (such as one that carries urine) to hold it open.

Alternative Names

Drug-eluting stents; Urinary or ureteral stents; Coronary stents

Description

When a stent is placed into the body, the procedure is called stenting. There are different kinds of stents. Most are made of a metal or plastic mesh-like material. However, stent grafts are made of fabric. They are used in larger arteries.

Why the Procedure Is Performed

Most of the time, stents are used to treat conditions that are due to narrow or blocked arteries. Stents are commonly used to treat the following conditions:

Other reasons to use stents include:

References

Teirstein PS, Lytle BW. Interventional and surgicaltreatment of coronary artery disease. In: Goldman L, Schafer AI, eds. Goldman's Cecil Medicine. 24th ed. Philadelphia, PA: Saunders Elsevier; 2011:chap 74.

White CJ. Atherosclerotic peripheral arterial disease. In: Goldman L, Schafer AI, eds. Goldman's Cecil Medicine. 24th ed. Philadelphia, PA: Saunders Elsevier; 2011:chap 79.

Zeidel ML. Obstructive uropathy. In: Goldman L, Schafer AI,eds. Goldman's Cecil Medicine. 24th ed. Philadelphia, PA: Saunders Elsevier; 2011:chap 125.