The abbreviation PTCA stands for percutaneous transluminal coronary angioplasty. This is a cardiac catheterization procedure used to widen narrowed coronary arteries. It is also known as coronary balloon angioplasty and balloon dilatation.
Below you will find additional information as well as a selection of PTCA specialists.
The abbreviation PTCA stands for percutaneous transluminal coronary angioplasty. This is a procedure used to widen narrowed arteries in the heart (coronary arteries). It is a type of cardiac catheterization procedure.
Percutaneous means “through the skin.” Percutaneous procedures are therefore those performed by makingan incision through the skin.
During a cardiac catheterization, a blood vessel is punctured (pierced) through the skin using a hollow needle. Through this hollow needle, the medical team inserts a small wire into the vessel. The doctor can then advance the wire all the way to the heart. The term “transluminal” means exactly that: advancing “through a blood vessel.”
The actual cardiac catheter can then be guided to the heart along this guidewire. The doctor then injects a contrast agent. This agent is clearly visible using imaging techniques. This allows the doctor to precisely identify blood flow and any narrowings.
Such narrowings can then be dilated and widened using a balloon catheter. This procedure is called angioplasty, meaning vessel dilation (angio = relating to the vessel, plasty = dilation). A PTCA is often necessary in cases of angina pectoris or a heart attack.
View of a narrowed coronary artery (left) and after a successful PTCA (right) © Ploypilin | AdobeStock
In principle, any blood vessel can be dilated using balloon dilatation. However, this is most commonly performed on arteries. Most often, though, the procedure is performed on the arteries
.
PTCA is always performed as part of a complex cardiac catheterization procedure.
During the procedure, a balloon catheter is guided along a guidewire to the narrowed section of the affected coronary artery. The balloon catheter is then inflated so that it expands, widening both itself and the narrowed artery around it.
In most cases, physicians use the femoral artery as the access point for this procedure to reach the aorta (the main artery). In some cases, however, a puncture of the radial artery (located in the wrist) is also performed.
The catheter must be inserted with precision. Even the slightest error can cause serious damage and be life-threatening for the patient. For this reason, the entire procedure is performed under continuous X-ray guidance. With the help of the catheter, X-ray contrast dye is continuously injected into the artery and the aorta. This allows the exact position of the balloon to be verified directly on the X-ray monitor.
Once the catheter reaches the target location, it is usually inflated for ten seconds. Sometimes, however, this process can take 30 seconds or even longer. This ensures that the narrowed vessel widens again. As a rule, this procedure is repeated several times to ensure lasting dilation. Every step of the procedure is continuously monitored on the screen.
PTCA procedures take advantage of the inherent elasticity of blood vessels to treat a narrowing.
Blood vessels can become narrowed due to deposits resulting from atherosclerosis. When the balloon is inflated, the deposits are pressed tightly against the vessel wall, restoring the vessel’s patency.
Performing balloon dilatation and inserting a stent © phonlamaiphoto | AdobeStock
In nine out of ten cases, this procedure reduces the degree of narrowing to such an extent that blood flow is restored without restriction. In the remaining cases, however, the vessel narrows again.
The second PTCA is therefore often combined with stent implantation. A stent is a small device that supports the vessel and prevents it from narrowing again. It usually consists of a tubular metal mesh that is guided to the target location together with the balloon.
As the balloon is inflated, the stent is pressed firmly against the vessel wall and remains in place. In this way, it ensures that the vessels cannot narrow again.
Complications are generally very rare during cardiac catheterization. Serious problems occur directly during the procedure in less than one percent of all cases.
However, the specific complication rate always depends on individual risk factors. For this reason, doctors must assess all underlying medical conditions before the procedure to keep the personal risk as low as possible.
After a cardiac catheterization, painful bruising may occur at the puncture site. This is further exacerbated by the use of anticoagulants. Despite the significant dilation of the blood vessels, massive blood loss occurs only in rare cases.
Often, the procedure causes only localized dilation of the punctured artery. However, this is usually resolved by applying external pressure to the area.
Increasingly, the artery at the wrist is being punctured instead of the femoral artery. Bleeding and post-procedure bleeding occur much less frequently at this site. Pain is also less common, so that the wrist access (radial access) is now considered the standard approach in many hospitals.
Finally, with any cardiac catheterization procedure, there is a risk that the artery used as the access site will become connected to an adjacent vein as a result of the puncture. If this complication occurs, it must be surgically corrected as quickly as possible.
In addition, nerve injuries are also known to occur as a complication of PTCA. These can range from mild numbness to complete paralysis of the leg.
Furthermore, mild heart palpitations usually occur. However, serious cardiac arrhythmias requiring electrical or pharmacological treatment are rare.
In rare cases, a blood clot can break off from the artery and travel into an artery supplying the brain. This complication always triggers a life-threatening stroke.
Fatal complications occurring directly during the cardiac catheterization procedure are rare. However, they can occur, particularly in high-risk patients. For this reason, alternative treatment methods should always be considered in cases of increased risk.
In many cases, a cardiac catheterization procedure can successfully treat an acute heart attack. Thus, PTCA has a very positive impact on the prognosis of coronary artery disease.
In modern medicine, the positive effect of PTCA on the symptoms of coronary artery disease is now considered well-established. For this reason, this procedure is used as standard practice for all severity levels of coronary artery disease.
The advantage of PTCA is that the chest does not need to be opened. Consequently, the risk of complications from this major procedure is relatively low.
In some cases, however, coronary artery bypass surgery is also necessary, especially when multiple coronary arteries are affected. Doctors refer to this as single-, double-, or triple-vessel disease, depending on the number of narrowed or blocked coronary arteries.
Coronary artery bypass surgery is significantly more complex and difficult. As a result, a longer stay in the intensive care unit is often necessary. In addition, follow-up rehabilitation (“rehab”) is part of the standard treatment and aftercare. This allows the patient to recover well from the stresses of the surgery.
Every physician listed in the Leading Medicine Guide has attained the highest level of training and certification within their respective medical specialty society. Furthermore, we contacted this physician based, among other factors, on their case volume (surgeries, treatments, and therapies), which we determined by cross-referencing various publicly available sources. Following discussions with the selected physicians and the directors of the medical facilities, as well as a subsequent internal review, they were admitted to the Leading Medicine Guide.
The quality assurance of the Leading Medicine Guide is further ensured by 8 admission criteria. Each member must meet at least 6 of them:
