What is a bifurcation lesion?
A bifurcation lesion is a coronary artery narrowing occurring adjacent to, and/or involving, the origin of a significant side branch that you do not want to lose. The very simple Medina classification is intended for exchange and clinical research purposes.
What is bifurcation coronary artery?
A bifurcation blockage is a type of coronary artery disease (CAD). It occurs when fatty deposits called plaque accumulate in the area where a main coronary artery branches into a smaller coronary artery. Healthcare providers use the term “side-branch vessels” to refer to these smaller branched arteries.
What is Medina classification?
The Medina classification describes a bifurcation lesion with three numbers that aim to define the pattern of the atherosclerotic disease based on angiographic appearance. 8 Each number is designated either 1 or 0 to indicate the presence or absence of a significant (>50%) stenosis.
What is a complex stent?
Simple stenting was defined as stenting only the main vessel, and stenting the side branch only if bailout was necessary. Complex stenting was defined as stenting the main vessel and side branch.
How is LAD blockage treated?
A narrowing or blockage in the LAD is more serious than narrowing or blockage in the other arteries. Bypass surgery usually is the best choice for a blocked LAD. If the LAD is not blocked, and there are no other complicating factors, stents are more likely to be used, even if both of the other arteries are blocked.
What bifurcated means?
divide into two branches
bifurcate \BYE-fer-kayt\ verb. : to divide or cause to divide into two branches or parts.
What does bifurcation mean in medical terms?
a division into two branches
[bi-fur-ka´shun] 1. a division into two branches, such as a blood vessel, or a tooth that has two roots. Bifurcatio aortae (aortic bifurcation), showing the branching of the abdominal aorta into the common iliac arteries, and from there to the internal and external iliac arteries.
Which artery is the most common to have blockage?
When this happens, patients may go into cardiac arrest. Statistically, Niess said widow-makers are more likely to lead to brain injury and irregular heartbeat. Although blockages can occur in other arteries leading to the heart, the LAD artery is where most blockages occur.
What is kissing balloon?
Kissing balloon is the standard technique used to tackle branch vessel stenosis . When a vessel branches out and both branches has a lesion, single balloon can not dilate a lesion optimally .
What is the survival rate after a stent?
The composite event-free survival rate was 58.3% in the stent group and 78.2% in the CABG group (p < 0.0001; RR, 1.91;95% CI, 1.60 to 2.28).
What to avoid after having a stent?
In most cases, you’ll be advised to avoid heavy lifting and strenuous activities for about a week, or until the wound has healed.
- Driving. You shouldn’t drive a car for a week after having a coronary angioplasty.
- Work.
- Sex.
What percentage of LAD blockage requires a stent?
“For a cardiac stent procedure to qualify as a medical necessity, it is generally accepted that a patient must have at least 70% blockage of an artery and symptoms of blockage,” Justice Department attorneys wrote.
What is a LAD lesion?
Proximal left anterior descending coronary artery (LAD) lesions often supply a high percentage of the left ventricular myocardium, compared to proximal lesions in the circumflex or right coronary arteries.
What is an example of bifurcation?
An example of bifurication is a fork in the road. The act or fact of bifurcating. (biology) A division into two branches. (by extension) Any place where one thing divides into two.
Where does bifurcation occur?
Global Bifurcation. Global bifurcations occur when “larger” invariant sets, such as periodic orbits, collide with equilibria. This causes changes in the topology of the trajectories in the phase space which cannot be confined to a small neighborhood, as is the case with local bifurcations.
What causes bifurcation?
What are the warning signs of clogged arteries?
Coronary artery disease signs and symptoms can include:
- Chest pain (angina). You may feel pressure or tightness in your chest.
- Shortness of breath. You may feel like you can’t catch your breath.
- Fatigue. If the heart can’t pump enough blood to meet your body’s needs, you may feel unusually tired.
- Heart attack.
What percent of blockage requires a stent?
What is DK crush technique?
Clinical data have supported the advantages of the double kissing (DK) crush technique, which consists of stenting the side branch (SB), balloon crush, first kissing, stenting the main vessel (MV) and final kissing balloon inflation, for complex coronary bifurcation lesions compared to other stenting techniques.
What does inflation balloon mean?
Think of inflation as expansion, usually from being filled with air, like a balloon. This also refers to rising prices. Think of a balloon puffing up, getting fuller and fuller — that’s inflation.
What are the signs of stent failure?
Sometimes heart problems return after a stent procedure. If that happens, you usually have symptoms—like chest pain, fatigue, or shortness of breath. If you do have symptoms, a stress test can help your doctor see what’s going on. It can show if a blockage has returned or if there’s a new blockage.
How long will a stent last?
How long will a stent last? It is permanent. There is just a 2–3 per cent risk of narrowing coming back, and if that happens it is usually within 6–9 months. If it does, it can potentially be treated with another stent.
Does a 50% blocked artery need a stent?
An artery should be clogged at least 70% before a stent should be placed in it. Padma Shri Dr Samuel Mathew Kalarickal, who is considered as pioneer of angioplasty in India, told TOI on Sunday that angioplasty or stent is required only if the coronary blockage is more than 50%.
Can the LAD artery be stented?
Coronary stenting (STENT) and left internal mammary artery bypass grafting of the LAD (LIMA-LAD) are other options that have been successfully used for single-vessel LAD disease. The optimal mode of revascularization for patients with isolated single-vessel LAD disease is unclear.
How serious is a blockage in the LAD?
The total blockage of the LAD artery is a serious problem that requires immediate treatment. Delayed treatment for a heart attack can lead to significant tissue damage and scarring. It can be life threatening or lead to permanent disability.