In heart care the DES medical abbreviation means drug eluting stent, a tiny metal mesh tube coated with medicine that is left inside a narrowed artery to hold it open while the coating slowly releases a drug that helps stop the artery from narrowing again. It is placed through a catheter during a procedure usually called PCI.
DES has two other settled meanings. In a gynecology or family history it can mean diethylstilbestrol, a synthetic estrogen given during some pregnancies in the past, and in eye care it can mean dry eye syndrome. This page covers each, with the most space given to the cardiology meaning.
At a glance
Stands for
Drug eluting stent (cardiology)Other meanings
Diethylstilbestrol (gynecology history); dry eye syndrome (eye care)Word roots
Elute (to wash out or release slowly)Used in
Interventional cardiology, vascular medicineWritten as
DES, DES x1, DES x2Do not confuse with
BMS (bare metal stent) and balloon angioplasty without a stent
DES medical abbreviation cardiology meaning
When a heart artery is narrowed by plaque, a cardiologist can widen it with a balloon and then leave a stent in place. A stent is a small expandable mesh tube that props the artery open. A drug eluting stent carries a thin coating of medicine that seeps into the artery wall over weeks to months. That medicine limits the regrowth of tissue inside the stent, a problem called restenosis that was more common with plain metal stents.
Drug eluting stents are now the usual choice for most coronary procedures. They are also used in some arteries outside the heart.
Reading DES in a procedure report or history
Cath lab reports and medical histories pack the stent details into a short line.
| Shorthand | Meaning |
|---|---|
| DES x2 | Two drug eluting stents placed |
| RCA | Right coronary artery |
| LAD | Left anterior descending artery |
| 3.0 x 18 | Stent width and length in millimeters |
| DAPT | Dual antiplatelet therapy after the stent |
In a discharge summary: "Mid LAD DES placed, continue aspirin and clopidogrel per cardiology." A drug coated stent went into the left anterior descending artery, and the patient is on two antiplatelet medicines as directed by the heart team. The line shows the format; real plans vary.
Why antiplatelet medicine follows a DES
A new stent is foreign material inside a blood vessel, and a clot can form on it until fresh tissue covers the metal struts. Clot preventing medicines, usually aspirin plus a second antiplatelet drug, lower that risk. How long both are continued depends on the stent, the reason it was placed and the person's bleeding risk.
Stopping these medicines early can be dangerous, so changes are made only with the cardiology team, including before dental work or surgery. A pharmacist can also check for interactions with other medicines.
DES compared with bare metal stents and balloons
- DES: metal mesh with a medicine coating; lower chance of renarrowing.
- BMS: bare metal stent, no coating; used less often today.
- Balloon angioplasty alone: widening without leaving a stent, sometimes written PTCA.
- Bypass surgery: routing blood around blockages with a graft, written CABG.
Other procedure shorthand is collected on the surgical abbreviations hub.
Diethylstilbestrol and dry eye syndrome
Diethylstilbestrol is a synthetic form of estrogen that was once prescribed during pregnancy and is no longer used for that purpose. Health histories sometimes note DES exposure, meaning a person's mother took it while pregnant with them, because that exposure has been linked to certain reproductive tract differences and a higher chance of some cancers. Gynecology clinics may ask about it and plan screening accordingly.
In eye clinics, DES can be shorthand for dry eye syndrome, a common condition in which the eyes do not stay well lubricated. The setting makes clear which meaning applies: a stent sits in a heart note, diethylstilbestrol sits in a pregnancy or family history, and dry eye sits in an eye exam.
For students: charting a stent history
A clear history line gives the approximate date if known, the artery, the stent type and the antiplatelet plan. Coders look for whether a stent was drug eluting or bare metal, so recording the type matters.
Medicine plans after a stent are set for each person. Keep the cardiology team and pharmacist informed before any change or procedure.
Frequently asked questions
What does DES mean in cardiology?
In cardiology DES means drug eluting stent, a medicine coated mesh tube placed in a narrowed artery to keep it open. It is placed through a catheter, usually during PCI.
What is the difference between a DES and a bare metal stent?
A drug eluting stent has a coating that slowly gives off medicine so scar tissue is less likely to close the vessel again. A bare metal stent has no coating.
Why do people take two blood thinners after a DES?
Two antiplatelet medicines help prevent a clot forming on the new stent while the artery lining heals over it. The cardiology team decides how long they continue.
What does DES exposure mean in a medical history?
This phrase says a person was exposed to diethylstilbestrol before birth because their mother took it during pregnancy. Clinicians note it because it can affect reproductive health and screening.