Heart Stents: Key Questions and Concerns for Patients - Cardiology

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Cardiac stent


Hello Doctor, my husband often feels chest tightness and discomfort.
He went to the hospital for a heart examination, and the doctor arranged for a coronary angiography, stating that his heart oxygen levels are very low and that he needs to have a stent placed.
They have scheduled a cardiac catheterization, so I would like to ask the following questions:
1.
If during the cardiac catheterization, it is found that the coronary arteries are severely blocked and a coronary artery bypass grafting (CABG) is needed, will a cardiac surgeon be consulted at that moment to explain the bypass procedure?

2.
If it is discovered that there is left main and three-vessel coronary artery disease, is it appropriate to place stents in this situation?
3.
If there is blockage in both the left and right coronary arteries, can stents be placed simultaneously? Is there any risk involved?
4.
The doctor mentioned that it is possible to place 5-6 drug-eluting stents during one procedure.
Is there any risk associated with placing so many drug-eluting stents at once? Could there be issues with allergies or adverse reactions to the drug-eluting stents?
Thank you very much for your assistance!

Ms. Li, 50~59 year old female. Ask Date: 2022/01/29

Dr. Wu Xueming reply Cardiology


In cases of left main coronary artery disease or complex conditions involving multiple vessel lesions, bypass surgery is recommended.
However, it is essential to discuss with both cardiologists and cardiac surgeons to determine the most suitable treatment option for the patient.

Reply Date: 2022/01/29

More Info


When considering heart stents and the associated procedures, it’s essential to understand the implications and potential outcomes of such interventions. Here are answers to your key questions and some additional insights into the process and considerations involved.

1. Consultation with Cardiac Surgeons: If during the coronary angiography (heart catheterization) the cardiologist discovers severe blockages that necessitate a bypass surgery, it is standard practice to consult a cardiac surgeon. The cardiologist will typically discuss the findings with the surgeon, who may then explain the bypass procedure to you and your husband. This collaborative approach ensures that you receive comprehensive care tailored to the specific needs of the patient.

2. Stenting in the Presence of Significant Blockages: If significant narrowing is found in the left main coronary artery and three other coronary arteries, the decision to place stents will depend on several factors, including the severity of the blockages, the patient's overall health, and the specific anatomy of the coronary arteries. In some cases, stenting may be appropriate, but in others, especially with extensive disease, coronary artery bypass grafting (CABG) may be recommended as it can provide more durable relief from symptoms and better long-term outcomes.

3. Stenting Multiple Coronary Arteries: It is possible to place stents in both the left and right coronary arteries during the same procedure. However, the complexity of the procedure increases with the number of stents placed, and the cardiologist will assess the risks versus benefits. While there are risks associated with placing multiple stents, such as bleeding, infection, or allergic reactions to the stent material, experienced interventional cardiologists are well-equipped to manage these risks effectively.

4. Use of Multiple Drug-Eluting Stents: The use of five to six drug-eluting stents in a single procedure is not uncommon, especially in patients with extensive coronary artery disease. Drug-eluting stents are designed to release medication that helps prevent the artery from becoming blocked again. While there is a risk of allergic reactions or side effects, these stents are generally well-tolerated. Your husband’s medical team will monitor him closely for any adverse reactions during and after the procedure.


Additional Considerations
- Pre-Procedure Assessment: Before the procedure, your husband will undergo a thorough evaluation, including blood tests and possibly imaging studies, to assess his overall health and the condition of his heart. This helps the medical team to tailor the intervention to his specific needs.

- Post-Procedure Care: After stenting, patients typically require dual antiplatelet therapy (DAPT) for a certain period to reduce the risk of stent thrombosis. This involves taking aspirin and another antiplatelet medication. It’s crucial to adhere to this regimen and follow up with the cardiologist regularly.

- Lifestyle Modifications: Post-procedure, lifestyle changes such as a heart-healthy diet, regular exercise, smoking cessation, and stress management are vital in improving heart health and preventing further cardiovascular issues.

- Monitoring Symptoms: It’s essential to monitor any new or worsening symptoms after the procedure, such as chest pain, shortness of breath, or unusual fatigue, and report these to the healthcare provider promptly.

In conclusion, the decision to proceed with stenting or bypass surgery is multifaceted and should be made collaboratively between the patient, cardiologist, and cardiac surgeon. Open communication with your husband’s healthcare team is crucial to address any concerns and ensure the best possible outcomes.

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