Cardiac Resynchronization Therapy with Defibrillation (CRT-D)

For patients with heart failure who are getting cardiac resynchronization therapy and considering debrillation

What is CRT?

Sometimes the heart pumps poorly. In other words, the heart beats out of sync. is can be caused by damage to the heart, age, genetics, certain medicines, and other reasons. CRT helps the heart pump normally by helping the right and left ventricles of the heart pump together. To do this, special wires are placed in the heart to pace the heart muscle in a specific way that improves the pumping function.

Your Decision

You and your doctor can decide together if you would like to have a CRT implantation to help treat your heart failure. However, there is another important part of this decision. Patients with heart failure may be at risk for sudden dangerous heart rhythms. These heart rhythm abnormalities may be life-threatening, and in some cases can cause a cardiac arrest. e best treatment for these dangerous heart rhythms is a “defibrillator.” is is a device that can sense these heart rhythms and deliver a shock to your heart if you need it. CRT can be combined with a defibrillator. is combination is sometimes abbreviated “CRT-D.”

What is a CRT-D?

A CRT-D is a small device that combines cardiac resynchronization therapy with debrillation. It is placed under the skin of the chest. Wires (called “leads”) connect the CRT-D to the heart. A CRT-D is designed to prevent an at-risk person om dying suddenly om a dangerous heart rhythm. CRT-Ds sense dangerous rhythms and treat them right away. The CRT-D uses pacing or an electrical shock to stop a dangerous heart rhythm and change it to a normal heart rhythm. is happens much faster than a person could get to the hospital for treatment.

Is CRT with defibrillation right for me?

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CRT is an important therapy that can help some patients feel beer. One big decision that some patients getting a CRT face is whether or not to also get the defibrillator. For these patients, it may be very helpful for them to think about what their life may be like with or without defibrillation. Consider two possible paths:

Path 1

You may choose to get a CRT-D. You may be feeling
like you usually do, then a dangerous heart rhythm
could happen. e CRT-D may help you live longer
by treating a dangerous heart rhythm. You will
continue to live with heart failure that may get
worse over time.

“I’m not ready to die. I have so much to live for. Even if it means getting shocked, I’m willing to do anything that can help me live longer.”

Path 2

You may choose to get CRT without
debrillation . You may be feeling like you
usually do and then a dangerous heart rhythm
could happen. You may die quickly om the
dangerous heart rhythm.

“The idea of dying quickly sounds painless. I’ve always said I hope to die in my sleep. Going through surgery and getting shocked is not something I want.”

Considering CRT with defibrillation FAQ's

Yes, the CRT-D is put under the skin and one or more wires (called “leads”) are put into the heart. e surgery takes a few hours. You may stay in the hospital overnight

The difibrillator will not make you feel beer. However, the cardiac resynchronization therapy may make you feel beer.

4 out of every 100 patients will experience some bleeding aer surgery. 2 out of every 100 patients will have a serious problem like damage to the lung or heart. About 1 out of every 100 patients will develop an infection. Some patients develop anxiety or depression om being shocked.

Patients say that getting shocked is like “being kicked in the chest.” Some patients pass out before they are shocked and do not remember being shocked. Before a shock is delivered, the CRT-D will try to correct your dangerous heart rhythm.

You may survive a dangerous heart rhythm only if you are treated within a few minutes with an external shock. However, many patients die before emergency help can reach them.

Without a CRT-D: Patients without a CRT-D are more likely to die suddenly om a dangerous heart rhythm. Without a CRT-D, over 5 years, 36 out of every 100 patients with heart failure will die over a 5-year period.

With a CRT-D: Patients with a CRT-D are less likely to die suddenly of a dangerous heart rhythm. With a CRT-D, 29 out of every 100 patients with heart failure will die over a 5-year period. is means 7 more patients would live with a CRT-D over a 5-year period.

You are the expert on what is important for you.

What else do you need to help you make your decision?

It may be helpful for you to talk with your family and friends. You may want to share the information in this decision aid with them. You should also share with your doctor your questions and concerns before making a final decision. It is important that you have all of the information you need to make a decision that is right for you. You have the right to make your own choices!