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Aortic Stenosis

In Aortic Stenosis (AS), the aortic valve doesn’t open completely, restricting the blood flow from the left ventricle of the heart to the aorta and the rest of the body. The aortic valve is between the left ventricle and aorta (the largest artery in the body). The main function of the aortic valve is to open and close and allow blood to flow from the left ventricle of the heart to the aorta through which oxygen-rich blood is supplied to the rest of the body and the coronary arteries.

Symptoms of Aortic Stenosis

Symptoms of Aortic Stenosis vary from mild to severe and are normally developed during severe narrowing of the valve. Some people with Aortic Stenosis may not experience symptoms for several years.

Abnormal heart sound

Abnormal heart sound

Chest pain

Chest pain

Dizziness

Dizziness

Fatigue

Fatigue

Shortness of breath

Shortness of breath

Palpitations

Palpitations

Reduced hunger

Reduced hunger

Reduced body weight

Reduced body weight

If left untreated, Aortic Stenosis will weaken the heart and may cause heart failure. Thus, timely treatment will prevent fatality and improve quality of life.

Treatment of Severe Aortic Stenosis (AS)

Contemporary treatment options for AS include balloon valvuloplasty, Surgical Aortic Valve Replacement (SAVR), and Transcatheter Aortic Valve Implantation (TAVI) / Transcatheter Aortic Valve Replacement (TAVR)

This technique is a life-saving treatment modality for patients who are unwilling or at risk to undergo an open heart surgery. This novel, interventional technique is somewhat similar to angioplasty and is done in the Cardiac Catheterization Lab (Cath-lab)

An interventional procedure that requires placing a balloon catheter across the diseased aortic valve. It’s role is however limited and most patients will require a heart valve replacement therapy.

Surgical aortic valve replacement (SAVR) is the treatment of choice for many patients diagnosed with severe aortic stenosis, a tightening of the aortic valve in the heart. SAVR, where patient undergoes open heart surgery by cutting open the chest, can improve blood flow, reduce symptoms of heart valve disease and prolong life.

This is a less invasive procedure in which the diseased valve is replaced with a bioprosthetic valve using similar procedure as angioplasty.

Heart

In case the patient is asymptomatic or experiencing mild symptoms, the doctor may recommend regular monitoring of the patient’s condition through periodic follow-ups.

The doctor may advise some healthy lifestyle habits and prescribe medications to prevent complications or worsening of the present condition. It is important to note that medicines can be of help only if the disease is diagnosed in the initial stages without any major visible symptoms.

[Ref: ACC/AHA (American College of Cardiology / American Heart Association/ ESC (European Society Of Cardiology))]

Transcatheter Aortic Valve Implantation (TAVI)

Implantation Image
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Transcatheter aortic valve implantation (TAVI) or Transcatheter aortic valve replacement (TAVR) is the nonsurgical option. This technique is a life-saving treatment modality for patients who are unwilling or at risk to undergo an open heart surgery. This novel, interventional technique is somewhat similar to angioplasty and is done in the Cardiac Catheterization Lab (Cath-lab). Till date, valve replacement has been mostly done through open heart surgery wherein a new tissue/mechanical prosthetic valve is inserted in place of the diseased valve.

Open heart surgery is an invasive procedure and is known to have a longer recovery time and may be challenging for elderly patients (>65 yrs). Transcatheter Aortic Valve Replacement (TAVR) technique is a life-saving treatment modality for patients who are unwilling or at risk to undergo an open heart surgery.

Advantages of TAVI / TAVR

Significantly improves quality of life

Shorter procedure time and effective results

General anesthesia is routinely not required