When your doctor says you need a stent, you might picture open-heart surgery. Relax — cardiac stenting is actually a minimally invasive procedure.
What Is a Cardiac Stent?
A stent is a tiny metal mesh tube (usually 2-4mm in diameter) that springs open to support a narrowed artery. Placed inside a coronary artery, it restores normal blood flow.
How Is the Procedure Done?
The process is simpler than you might think:
- Local anesthesia: A small incision is made in the wrist or groin
- Catheter insertion: A thin catheter is threaded through the blood vessel to the coronary artery
- Imaging: Contrast dye is injected, and X-rays show exactly where the narrowing is
- Stent placement: A balloon expands the narrowed area and deploys the stent
- Done: The catheter is removed, pressure is applied, and you're observed for a few hours
The entire procedure typically takes only 30-60 minutes. Most patients go home within 1-2 days. No general anesthesia, no open chest.
What Happens After Stent Placement?
- Dual antiplatelet therapy: Two blood thinners (e.g., aspirin + clopidogrel) for at least 6-12 months
- Regular follow-up: Check-ups at 1, 3, and 6 months post-procedure
- Lifestyle changes: Quit smoking, control BP and cholesterol, exercise regularly
- Emergency care: Seek help immediately for chest pain or breathing difficulty
Drug-Eluting vs Bare Metal Stents
| Feature | Drug-Eluting Stent | Bare Metal Stent |
|---|---|---|
| Restenosis rate | ~5-10% | ~20-30% |
| Blood thinner duration | At least 12 months | ~1 month |
| Cost | Higher | Lower |
| Best for | Most patients | Patients with high bleeding risk |
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