But in 25% of cases the artery clogs up again within months of a stent placement.

FORBES: Cardiac Comeback

Patients with a positive coronary CT scan would then require a cardiac catheterization, with possible angioplasty and stent placement.

FORBES: Coronary CT Scans May Save You (And Your Hospital)

And medical students use the glass tubes to practice catheter or stent placement.

CNN: Hearts of glass: Where medical science meets art

Medical-device companies are countering Dr. Abbott's findings as they seek to convince Medicare to expand coverage for stent placement.

WSJ: Are Stroke Drugs Better Than Stents?

The proportion requiring a second procedure after angioplasty and bare metal stent placement is 10 to 15 percent within the first year.

CNN: Can two stents be implanted in the same surgery?

Procedures that are often used to treat a heart attack, such as balloon angioplasty and stent placement, or even surgery, are not helpful in treating broken heart syndrome.

CNN: Broken heart syndrome

Optimal stent placement decreases risk for stent blockage.

CNN: Can two stents be implanted in the same surgery?