Heart Surgery

Heart surgery is a medical procedure performed by trained surgeons to correct problems with the heart. It aims to improve heart function, relieve symptoms, and extend life for people with various heart conditions. This can include repairing damaged arteries, fixing faulty heart valves, or replacing the heart entirely.

What is Heart Surgery?

Heart surgery is a medical procedure where surgeons operate on the heart or nearby major blood vessels to treat various heart conditions. It can involve repairing or replacing damaged parts of the heart, such as arteries or valves, or implanting devices to help the heart function better. The goal is to improve heart health and overall quality of life.

Heart surgery is a broad term covering many different operations. These procedures are performed by highly trained cardiac surgeons and their teams. The type of surgery depends on the specific heart problem a person has. Common types of heart surgery include coronary artery bypass grafting (CABG), which reroutes blood around blocked arteries, and valve repair or replacement, which fixes or replaces faulty heart valves. Other procedures include repairing aneurysms (bulges in blood vessels), implanting devices like pacemakers or ventricular assist devices (VADs), or performing a heart transplant. Some surgeries are open-heart, involving a large incision, while others are minimally invasive, using smaller cuts. Open-heart surgery often requires a sternotomy, where the breastbone (sternum) is cut to allow direct access to the heart. During many open-heart procedures, a heart-lung machine takes over the work of the heart and lungs, allowing the surgeon to operate on a still heart. Minimally invasive techniques use smaller incisions, sometimes with robotic assistance, and may not always require the heart-lung machine, potentially leading to less pain and a shorter hospital stay (Cochrane Library, Mayo Clinic, MedlinePlus).

Why it's done

Heart surgery is performed to treat serious heart conditions that cannot be managed effectively with medication or lifestyle changes alone. It addresses problems like blocked arteries, faulty heart valves, heart failure, and congenital heart defects present from birth. The surgery aims to restore normal blood flow, improve heart function, and alleviate severe symptoms.

One of the most common reasons for heart surgery is coronary artery disease (CAD), where the arteries supplying blood to the heart muscle become narrowed or blocked. Coronary artery bypass grafting (CABG) is performed to create new pathways for blood flow, relieving chest pain (angina) and reducing the risk of a heart attack (Mayo Clinic, MedlinePlus). Another frequent reason is heart valve disease, where one or more of the heart's four valves do not open or close properly. This can cause blood to flow backward or make the heart work harder. Surgeons can repair or replace these faulty valves to improve blood circulation and reduce strain on the heart (Mayo Clinic, MedlinePlus). Heart surgery also treats other conditions, such as heart failure, where the heart cannot pump enough blood to meet the body's needs. In some cases, a heart transplant may be necessary, or a ventricular assist device (VAD) may be implanted to help the heart pump blood. Congenital heart defects, structural problems with the heart present at birth, are also often corrected through surgery, especially in children (MedlinePlus).

How to prepare

Preparing for heart surgery involves several important steps to ensure you are as healthy as possible for the procedure and to help with your recovery. This typically includes undergoing various medical tests, adjusting medications, making lifestyle changes, and arranging for support during your recovery period. Your medical team will provide specific instructions tailored to your needs.

Your doctor will conduct a thorough medical evaluation, including a physical exam and various tests such as blood tests, an electrocardiogram (EKG) to check heart rhythm, and a chest X-ray. You may also have an angiogram, which uses dye and X-rays to visualize your heart's blood vessels (Mayo Clinic, MedlinePlus). It is crucial to discuss all medications, supplements, and herbal remedies you are taking with your doctor. You will likely need to stop certain medications, especially blood thinners, several days or weeks before surgery to reduce the risk of bleeding. If you smoke, your doctor will strongly advise you to stop, as smoking can increase surgical risks and slow healing (Mayo Clinic, MedlinePlus). Before surgery, you should arrange for help at home during your recovery, as you will have activity restrictions. You may also be advised to avoid eating or drinking for a certain period before the procedure. Following all pre-operative instructions carefully is vital for a safe and successful outcome (MedlinePlus).

What happens during

During heart surgery, you will receive general anesthesia, which means you will be completely asleep and feel no pain throughout the procedure. The surgical team will monitor your vital signs closely. Depending on the type of surgery, the surgeon will make an incision, and in many open-heart cases, a heart-lung machine will temporarily take over the functions of your heart and lungs.

Once you are under general anesthesia, the surgical team will prepare the surgical site. For open-heart surgery, the surgeon typically makes an incision down the middle of your chest and divides the breastbone (sternum) to access the heart. For minimally invasive procedures, smaller incisions are made between the ribs (Mayo Clinic). In many open-heart surgeries, especially for coronary artery bypass grafting (CABG) or valve repair/replacement, you will be connected to a heart-lung machine. This machine temporarily circulates blood and adds oxygen to it, allowing the surgeon to operate on a still, bloodless heart. Once the repair is complete, the heart is restarted, and the machine is gradually disconnected (MedlinePlus). After the necessary repairs or replacements are made, the surgeon will close the incisions. This involves wiring the breastbone back together for open-heart surgery and stitching the layers of tissue and skin. The entire procedure can take several hours, depending on its complexity (Mayo Clinic).

Recovery & timeline

Recovery from heart surgery typically begins in the intensive care unit (ICU) immediately after the procedure, followed by a hospital stay of about 5 to 7 days. Full recovery at home can take several weeks to months, usually around 6 to 12 weeks. This period involves managing pain, gradually increasing activity, and often participating in cardiac rehabilitation to regain strength and function.

Immediately after surgery, you will be moved to the intensive care unit (ICU), where nurses will closely monitor your heart rate, blood pressure, and breathing. You may have tubes for breathing, drainage, and medication delivery. Pain management is a priority, and medication will be given to keep you comfortable (Mayo Clinic, MedlinePlus). After a day or two in the ICU, you will move to a regular hospital room. During your hospital stay, which usually lasts 5 to 7 days, you will begin light activities like sitting up and walking short distances. Nurses and physical therapists will help you with breathing exercises and movement to prevent complications (MedlinePlus). Once home, you will gradually increase your activity level. Fatigue is common and can last for several weeks. Most people participate in cardiac rehabilitation, a supervised program of exercise and education, to help them recover strength and adopt heart-healthy habits (Cochrane Library, Mayo Clinic). Full recovery, including the ability to return to most normal activities, typically takes about 6 to 12 weeks, though some people may need longer (Mayo Clinic).

Risks & side effects

Like any major surgery, heart surgery carries potential risks and side effects, although medical teams take extensive precautions to minimize them. Common risks include bleeding, infection at the incision site, and blood clots. More serious but less common complications can include stroke, heart attack, kidney failure, or irregular heart rhythms. Your doctor will discuss these risks with you.

While heart surgery is generally safe, it's important to be aware of potential complications. Bleeding is a risk during and after any surgery, and infection can occur at the incision site or internally. Blood clots can form, potentially leading to serious issues like a stroke or pulmonary embolism (MedlinePlus, Mayo Clinic). Other possible side effects include irregular heartbeats (arrhythmias), which may require medication or further treatment. Some people experience temporary memory problems or confusion after surgery. Kidney problems or lung complications, such as pneumonia, can also occur (Mayo Clinic). Although rare, serious complications like a heart attack during or after surgery, or even death, are possible. The risk of complications varies depending on your overall health, age, and the specific type of surgery performed. Your medical team will carefully assess your individual risks and discuss them with you before the procedure (MedlinePlus).

Success rate

The success rate of heart surgery varies depending on the specific condition being treated, the type of procedure, and the individual's overall health. Many heart surgeries, such as coronary artery bypass grafting (CABG) and valve repair or replacement, are often very successful in relieving symptoms, improving quality of life, and extending lifespan. Your surgeon can provide specific success rates for your particular situation.

For coronary artery bypass grafting (CABG), studies show that it can significantly relieve chest pain (angina) and improve survival rates for people with severe coronary artery disease (Cochrane Library, MedlinePlus). Many people experience symptom relief for 10 years or more after CABG. The vast majority of people who undergo CABG experience a good outcome, with improved heart function and reduced risk of future heart events. Heart valve repair or replacement surgeries also generally have high success rates in improving heart function and alleviating symptoms like shortness of breath and fatigue (Mayo Clinic). The long-term success often depends on the type of valve used (mechanical vs. biological) and how well the person manages their heart health post-surgery. While success rates are generally high for many common heart surgeries, outcomes can be influenced by factors such as age, other existing health conditions, and the severity of the heart disease. It is important to remember that success is measured not only by survival but also by an improved quality of life and reduced symptoms (Mayo Clinic). Your medical team will discuss the expected benefits and potential outcomes based on your individual circumstances.

Frequently asked questions

How long does heart surgery take?

The duration of heart surgery varies significantly depending on the type and complexity of the procedure. A straightforward coronary artery bypass graft (CABG) might take 3 to 6 hours, while more complex operations like multiple valve repairs or a heart transplant can take much longer, sometimes 8 hours or more. Your surgeon will provide a more precise estimate for your specific case.

Will I be awake during heart surgery?

No, you will not be awake during heart surgery. You will receive general anesthesia, which means you will be completely unconscious and feel no pain throughout the entire procedure. An anesthesiologist will monitor your vital signs and administer medications to keep you asleep and comfortable.

How long is the hospital stay after heart surgery?

After heart surgery, most people typically stay in the hospital for about 5 to 7 days. This includes a period in the intensive care unit (ICU) for close monitoring, followed by a transfer to a regular hospital room. The exact length of stay can vary based on your recovery progress and any potential complications (Mayo Clinic, MedlinePlus).

Can I drive after heart surgery?

No, you cannot drive immediately after heart surgery. Most people are advised to avoid driving for at least 4 to 6 weeks, or until their breastbone (sternum) has healed sufficiently and they are no longer taking strong pain medications. Your doctor will give you specific guidance on when it is safe to resume driving.

What is cardiac rehabilitation?

Cardiac rehabilitation is a supervised program designed to help you recover and improve your heart health after heart surgery. It typically includes monitored exercise, education on heart-healthy living (like diet and stress management), and counseling. This program helps you regain strength, reduce future heart risks, and improve your overall well-being (Cochrane Library, Mayo Clinic).

Is heart surgery painful?

During heart surgery, you will not feel pain due to general anesthesia. After surgery, it is normal to experience pain or discomfort around the incision site. Your medical team will provide pain medication to manage this effectively. The pain usually lessens over time as you recover, and it is important to communicate your pain levels to your nurses and doctors.

Sources

• MedlinePlus — Heart Surgery
• Mayo Clinic — Heart Surgery
• Cochrane Library — Heart Surgery