Being on a waitlist is never easy, especially if you’re waiting for medical treatment. If you have severe aortic stenosis and are waiting for TAVI, the amount of time you are on a waitlist will vary depending on the number of people waiting and your symptoms.

Below are six general tips to help you maintain your heart while you are waiting, and when you should seek help. Please consult your TAVI team for recommendations specific to your condition.

Limit your fluid intake

Drink less than 2 litres (8 cups) of liquid per day. If you have kidney issues, follow your nephrologist’s advice on how much liquid you can drink per day. Liquid includes water, tea, coffee, juice, shakes, smoothies, soup and Jell-O.

Take a walk

Walk every day, slowly and rest often. If you have difficulty breathing or feel tired, stop and rest.

Limit sodium (salt)

Eat foods low in salt and don’t add salt to your food. Your maximum total salt intake in one day should be 2 grams.

Do not lift, push or pull heavy objects

Lifting, pushing or pulling objects more than 5 kilograms (10 pounds) could increase your heart rate and put strain on your heart. This includes holding children, carrying groceries or a basket of laundry, shovelling snow, using a snow blower and cutting grass.

Take your medications

Take all your medications as prescribed. If you feel your medications need to be changed, please see your family doctor, cardiologist or other specialist before stopping or adjusting medications.

Do not smoke

Smoking makes your heart work harder. It increases your heart rate, narrows blood vessels, raises blood pressure, and reduces the amount of blood, oxygen and nutrients that get to your heart. Second hand smoke can cause the same effects. Ask your doctor or pharmacist for ways of helping you stop or reduce smoking. You may also visit smokershelpline.ca.

When should I seek medical care?

If you experience swelling in your legs, speak with your cardiologist or family doctor. If you experience any of the following symptoms, call 9-1-1 or seek urgent medical care:

• Fainting
• Shortness of breath that does not improve after 10 minutes of rest.

Notify the urgent care provider that you are on the waitlist for TAVI.

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The Answer: The short answer is yes, the Ontario Health Insurance Plan does cover the cost of all aortic valve replacement surgery – something that is true across Canada. The operation is typically done on those with narrowed or leaking aortic valves, due to a congenital condition or a disease acquired in later life. The valves can be mechanical or bio-prosthetic and made of porcine, equine or bovine material.

“The mechanical valves require lifelong anticoagulation [treatment with so-called blood thinners] while bio prosthetic valves typically don’t. On the other hand bioprosthetic valves typically wear out in the 10 to 20 year range, requiring a repeat surgical procedure,” said Dr. Sam Radhakrishnan, director of Sunnybrook’s catheterization laboratory. Sunnybrook has performed about 150 of the operations.

There’s a newer type of minimally invasive valve replacement available, called transcatheter aortic valve implantation [TAVI], now being funded by the Ontario government. It is offered to patients who are ineligible for open-heart surgery because their risk of death or developing severe disability post surgery is deemed too high.

Patients eligible for TAVI suffer from severe aortic stenosis, an increasingly prevalent disease among the elderly. With the onset of significant symptoms, particularly progressive shortness of breath, severe uncorrected aortic stenosis carries with it a death rate of up to 50 per cent over the next two years. The average age for the TAVI procedure at Sunnybrook has been 83.

Before government began funding the surgery this winter, Sunnybrook Foundation has raised $2.5-million since 2010 for the surgical devices, allowing eligible patients to undergo the operation, according to Pamela Ross, the foundation’s executive vice-president and chief marketing officer. The foundation paid for the valve device, with each one costing $22,650, while the province funded the cost of the surgical procedure.

Almost always, this is how innovations start: through philanthropy. Before governments decide to fund new operations they want to see evidence that they work and are cost-effective, which for hospitals, means raising money to try new procedures. [The Ontario Health Technology Advisory Committee recommended the province fund TAVI for patients ineligible for open-heart surgery, which the province agreed to earlier this year.]

In addition to Sunnybrook, five other hospitals – University Health Network, Hamilton Health Sciences Centre, St. Michael’s Health Sciences Centre, the University of Ottawa Heart Institute and London Health Sciences Centre – are being funded to perform the minimally invasive operation on a pilot basis over the next three years, according to Ontario health ministry spokesman David Jensen.

To cover the cost of the new operation, Ontario is providing an additional $15,000 extra per case, bringing the total reimbursement for the TAVI procedure to $35,000 – the same amount funded by the British Columbia Ministry of Health, said Mr. Jensen.

The procedure involves inserting a replacement valve made of porcine or bovine tissue mounted on a metal frame, into the diseased aortic valve. The procedure is done with fluoroscopic (X-ray) guidance and often can be accomplished through an incision in the groin that is less than half an inch.

According to results of the Placement of Aortic Transcatheter Valves trial [PARTNERS], in patients who were not candidates for conventional open-heart surgery, TAVI provided a survival benefit over medical therapies. “In this trial, for patients who were deemed inoperable, performing TAVI led to a substantial reduction in the one year rate of dying or being rehospitalized for heart failure. Indeed, for just about every three patients treated with TAVI compared to medical therapies alone, one life was saved or repeat hospitalization prevented.” In patients who were deemed high risk for a conventional operation (but operable) those who underwent TAVI had virtually the same survival rates at one year as compared to patients who had open-heart surgical repair. However, in this trial the stroke rate was higher for the TAVI patients at 30 days and again at one year compared to those that underwent open-heart surgery.

“There’s no doubt the recovery with TAVI is a lot faster,” said Dr. Radhakrishnan, noting that patients spend seven to eight days in hospital compared to almost two weeks for open-valve replacement in these higher risk patients.

Sunnybrook is expected to do 75 TAVI procedures this year.

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