According to American Heart Association, women should consider the risks and benefits of any therapies that may hurt hearts during breast cancer treatment, patients should have a conversation with their doctor about the side effects of the treatment. Some treatments for different types of cancer may pose heart risks, but they are growing more common for breast cancer patients.
Side effects can include abnormal rhythms, valve problems or heart failure, where the heart slowly weakens and can't pump effectively. Symptoms may not appear until long after treatment ends.
Herceptin and similar drugs for a specific type of breast cancer can cause heart failure. Sometimes it's temporary and goes away if treatment is stopped, but it can be permanent.
Radiation can affect arteries and spur narrowing or blockages. Other drugs can lead to abnormal heart rhythms or artery spasms, which can cause chest pain and possibly lead to a heart attack. Some research suggests that powerful new drugs that harness the immune system to fight cancer may in rare cases cause heart damage, especially when used together.
Certain chemotherapies such as doxorubicin, sold as Adriamycin and in generic form, might be less risky if given more slowly, rather than all at once. Some research suggests that a drug called dexrazoxane may minimize damage if given to women with advanced breast cancer who are getting high doses of doxorubicin.
Cancer patients should make sure doctors are monitoring their heart before, during and after breast cancer treatment. Common risk factors of breast cancer are: obesity, smoking, sedentary lifestyle and eating of junk food.
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