Artery dilation operation or blocked heart artery opening operation, known scientifically as coronary angioplasty or cardiac catheterization, is one of the most prominent medical interventions that revolutionized the treatment of heart diseases and coronary arteries that supply the heart muscle with blood loaded with oxygen and nutrients necessary for its efficient operation, and branch out to nourish all its parts. This operation is also known in short as blocked artery opening operation.
Narrowing or blocking of these arteries can lead to reducing or preventing blood flow to the heart muscle, causing acute chest pains known as angina pectoris, and may lead to heart attacks if not treated immediately.
Heart and blood vessel diseases are among the most widespread diseases in the world, as their complications cause a large percentage of deaths among various age groups. Among these diseases comes the problem of coronary artery narrowing, which is considered one of the main causes of angina pectoris and heart attacks.
Heart Artery Dilation Operation by Balloon
Heart artery dilation operation by balloon, like mitral valve dilation by balloon, known as “balloon coronary angioplasty”, is a procedure used to open blocked or narrow arteries in the heart. This operation is used to treat blocked coronary artery disease, which is a condition in which fatty deposits (plaques) accumulate inside one of the heart arteries, reducing blood flow to the heart muscle.
How is the Blocked Heart Artery Opening Operation Performed?
Arteries are dilated through giving the patient a sedative medicine to help in relaxation, then the doctor installs a thin tube called a catheter in one of the arteries in the arm or thigh, and guides the catheter using X-rays to the narrow artery or blocked artery.
Once the catheter reaches the location of narrowing, he passes a small balloon through the catheter.
The balloon is inflated to dilate and to press the plaques against the artery wall, which opens the artery and improves blood flow. Sometimes, the doctor installs a stent inside the artery, which is a small metal mesh inside the artery. Usually, the stent is installed inside the artery to keep the artery open.
Is Heart Artery Dilation Operation Dangerous?
Catheter artery dilation (Percutaneous Coronary Intervention) is considered a minimally invasive procedure compared to open-heart surgery. Medical references clarify that serious complications such as severe bleeding, cardiac arrest, or stroke are relatively rare. However, the probability of risk increases in elderly patients or those infected with chronic diseases such as diabetes or kidney failure. In general, the procedure is considered safe when its indications are clear and it is performed in an equipped medical environment.
Cost of Heart Artery Dilation Operation
The cost of artery dilation or artery catheterization operation, as well as the cost of open-heart surgery, differs significantly depending on many factors, the most important of which is the patient’s health status and the extent of care the patient may receive. These factors also include the following:
Type of Operation:
- Diagnostic Catheterization: This catheter can be used to determine the location and severity of blockage in the arteries; the cost is lower than therapeutic catheterization.
- Therapeutic Catheterization: Used to open the blocked or narrow heart artery; the cost is higher than diagnostic catheterization.
Type of Balloon and Stent:
There are different types of balloons and stents available, and the cost of each type differs.
Operation Complications:
If the patient faces any complications during or after the operation, it may lead to an increase in cost.
Heart Artery Dilation Operation
It is a medical procedure aimed at opening blocked coronary arteries through coronary artery bypass surgery or narrow ones to improve blood flow to the heart. This operation is considered necessary to treat heart patients who suffer from angina pectoris or heart attacks, which occur as a result of the accumulation of fats and cholesterol in the artery walls.
Reasons for Performing the Operation
The artery dilation operation is performed as a result of the appearance of some symptoms on the patient. Among the most important reasons are the following:
- Coronary Artery Narrowing: As a result of accumulation of fats and cholesterol (atherosclerosis).
- Angina Pectoris: Pain in the chest as a result of low blood flow to the heart.
- Heart Attacks: Sudden blockage in the coronary artery, leading to non-regular blood flow to part of the heart.
Read also: Aortic artery narrowing symptoms.
Preparation for the Operation
Before performing the operation, the patient undergoes a series of medical examinations, including:
- Physical Examination: To evaluate the general condition of the patient.
- Blood Tests: To check the level of cholesterol and fats in the blood.
- Electrocardiogram (ECG): To measure the electrical activity of the heart.
- X-ray: To examine the condition of the lungs and heart.
- CT Scan: To determine the extent of narrowing or blockage of arteries, and knowing the difference between atherosclerosis and artery blockage.
Operation Steps
Among the most important steps of the heart artery dilation operation, follow the following:
1.Local Anesthesia: The area from which the catheter will be installed, in the thigh or arm, is anesthetized.
2.Catheter Installation: A thin tube (catheter) is installed through the artery until it reaches the coronary arteries.
3.X-ray Imaging: Used to guide the catheter to the correct location.
4.Artery Dilation: A small balloon at the end of the catheter is inflated to dilate the blocked artery.
5.Stent Placement: In some cases, a stent (metal mesh) is installed to keep the artery open.
Read also: Side effects after catheterization operation.
Recovery After the Operation
After performing the operation, Professor Dr. Mohamed El-Ghannam, Consultant of Open-Heart Surgery and Minimally Invasive Surgical Intervention, advises the patient to follow several procedures to ensure proper recovery and avoid the occurrence of any symptoms and complications after the operation. Among the most important are the following:
- Rest: Staying in the hospital for a day or two for monitoring.
- Medications: Taking medications prescribed by the doctor to prevent blood clotting and to lower cholesterol levels.
- Diet: Following a healthy diet to maintain artery health.
- Physical Activity: Practicing sports regularly based on the doctor’s recommendations.
Risks and Complications of Heart Artery Opening Operation
Although the artery dilation operation is considered relatively safe, some complications may occur such as:
- Bleeding: At the catheter installation site.
- Infection: At the catheter site.
- Artery Damage: As a result of surgical intervention.
- Blood Clots: Which may lead to a heart attack or stroke.
Heart Valve Dilation Operation
It is a procedure used to dilate a narrow heart valve. This operation is used to treat heart valve diseases, which is a condition that affects heart valves and prevents them from working correctly. Types of heart valves include the following:
- Aortic Valve: This valve is located between the left ventricle and the aortic artery, which is the largest artery in the body. The aortic valve opens to allow blood flow from the heart to the rest of the body. Of course, there are cases cured from aortic valve regurgitation.
- Mitral or Bicuspid Valve: This valve is located between the left atrium and the left ventricle. The mitral valve opens to allow blood flow from the left atrium to the left ventricle.
- Pulmonary Valve: This valve is located between the right ventricle and the pulmonary artery. The pulmonary valve opens to allow blood flow from the heart to the lungs.
- Tricuspid Valve: This valve is located between the right atrium and the right ventricle. The tricuspid valve opens to allow blood flow from the right atrium to the right ventricle.
Success Rate of Heart Artery Dilation Operation
Balloon artery dilation operation is considered a successful and safe operation. Its success rate reaches more than 98% in opening narrow or blocked arteries and improving blood flow to the heart. However, the success rate depends on several factors, including:
- The more severe the narrowing, the less the chances of success of the operation.
- It may be difficult to reach some arteries, which may increase the difficulty of the operation and reduce its chances of success.
- Diabetes, high blood pressure, and high cholesterol patients are more susceptible to operation complications, which may affect its success rate.
- The doctor’s experience in performing the heart artery dilation operation plays an important role in determining its success rate, as well as in the cost of heart artery clearing operation.
In addition, some patients may suffer from complications after heart artery dilation operation, such as the following:
- Blood clot in the treated artery: May lead to blocking the artery again.
- Heart attack: May occur due to heart muscle damage during the operation.
- Stroke: May occur due to blockage of one of the arteries in the brain during the operation.
- Infection: May occur at the catheter installation site.
Conclusion about Heart Artery Blockage Operation
In the end, the artery dilation operation is an important step in achieving improvement for heart diseases as well as blood vessels and towards improving patients’ lives, as it gives them the opportunity to live actively and comfortably without constant worry about chest pains or risk of heart attacks. It is one of the medical achievements that contribute significantly to enhancing community health and well-being.
Related topics:
Open-heart surgery: What is the success rate of open-heart operation.
Frequently Asked Questions
Is artery blockage operation dangerous?
Coronary artery blockage disease itself is considered a serious condition if not treated, because it reduces blood flow to the heart muscle and may lead to angina pectoris or myocardial infarction. As for therapeutic interventions such as catheterization or surgery, they are performed with the aim of reducing this risk. Although any heart procedure carries a percentage of potential complications, the risks are relatively limited when performed in specialized centers and under the supervision of an expert team.
What is the success rate of artery blockage operation?
Medical reports indicate that the success rate of coronary artery catheterization with stent installation is very high, and often exceeds 95% in stable cases, and may approach that in emergency cases with a slight difference according to the patient’s age, presence of chronic diseases, and nature of the blockage. Success here means opening the artery and restoring blood flow effectively without serious complications during the procedure.
How long does heart artery blockage operation take?
The duration of heart catheterization to dilate arteries often ranges between 30 minutes and an hour approximately, and may take a bit longer in complex cases or when there is more than one artery that needs treatment. As for coronary artery bypass surgery (open-heart), it may usually take between 3 to 6 hours depending on the number of damaged arteries and the general patient’s condition.
