Learning that a blocked coronary artery needs a stent can feel overwhelming, especially if the procedure itself is unfamiliar. A heart stent procedure, formally called percutaneous coronary intervention (PCI), is a catheter-based technique performed in a specialized lab, and while every patient's case differs in complexity, the overall sequence of events tends to follow a predictable pattern that can make the experience feel less uncertain.
Preparation Before the Procedure
Before a scheduled PCI, patients typically undergo blood tests, an electrocardiogram, and a review of current medications, since some blood thinners may need to be adjusted beforehand under a physician's direction. Patients are usually instructed to fast for several hours prior to the procedure and are told which of their regular medications to take or hold that morning. On arrival, an intravenous line is placed, and the access site — most commonly the wrist (radial artery) or, less often now, the groin (femoral artery) — is cleaned and prepared.
Arrival in the Catheterization Lab
Once in the cath lab, the patient lies on a procedure table beneath imaging equipment that will guide the operator throughout. Mild sedation is commonly given to help the patient relax, though most PCI procedures are performed with the patient awake, since ongoing communication with the team can be part of monitoring comfort and symptoms. Local anesthetic numbs the access site before a small sheath is inserted into the artery.
Navigating to the Coronary Artery
A thin guidewire and catheter are advanced through the arterial system to the origin of the coronary arteries near the aortic root. Contrast dye is injected and X-ray imaging (fluoroscopy) captures a live angiogram, allowing the interventional cardiologist to see the exact location and severity of the blockage. This diagnostic angiogram confirms the treatment plan before any device crosses the lesion itself.
Crossing the Blockage and Preparing the Vessel
A fine guidewire is carefully advanced across the narrowed or blocked segment, after which a balloon catheter is typically used to predilate the lesion, compressing plaque against the vessel wall and creating adequate space for a stent. In heavily calcified lesions, additional vessel preparation techniques, such as rotational atherectomy, may be used before stent deployment.
Stent Deployment
Once the vessel is prepared, a stent — mounted on its own balloon catheter — is advanced to the treatment site and positioned precisely using fluoroscopic landmarks and, in many cases, intracoronary imaging for confirmation. The balloon is inflated to expand the stent against the artery wall, then deflated and withdrawn, leaving the stent permanently in place to hold the vessel open. A final angiogram confirms adequate blood flow and stent position before the catheters are removed.
Recovery in the Hours After PCI
After the procedure, the access site is closed — often with a closure device for femoral access or simple compression for radial access — and the patient is monitored for several hours to check vital signs, the access site, and cardiac rhythm. Many radial-access PCI patients go home the same day or after a short overnight stay, while more complex cases or femoral access may involve a longer observation period.
INVAMED's ATLAS DES Coronary Stent
INVAMED manufactures the ATLAS Drug Eluting Coronary Stent System, a cobalt-chromium platform designed to reduce restenosis in coronary artery disease. According to manufacturer-reported specifications, the stent uses a sirolimus coating at 1 µg/mm² on a thin-strut, 60 µm cobalt-chromium L605 alloy platform, with a nominal pressure of 9–10 atm and a rated burst pressure of 14–16 atm. Further detail is available on the ATLAS Coronary Stent System product page; availability and specific indications vary by country, so clinicians should consult the Instructions for Use (IFU). Related devices are described in INVAMED's coronary artery disease device category.
When can a patient go home after getting a heart stent?
Many patients who undergo PCI through radial (wrist) access are discharged the same day or after a brief observation period, while others may stay overnight depending on the complexity of the case, access site used, and clinical judgment of the treating cardiologist. Discharge timing is individualized to each patient's recovery and monitoring needs.
Device availability and regulatory status vary by country. Please contact INVAMED or your authorized local distributor for current regulatory information applicable to your region.