Younger Breast Cancer Patients Face Heart Risks
Study finds younger women with breast cancer are at higher risk for heart problems.
― 5 min read
Table of Contents
Breast Cancer is the most commonly diagnosed cancer among women worldwide. In 2020, there were about 2.3 million new cases. Thanks to early screening and better treatments, many women are surviving longer after their diagnosis. More than 80% of those with breast cancer live for at least five years, and nearly half survive for ten years, especially in wealthier countries.
However, although Patients are living longer, there are growing concerns about other health problems that might arise, particularly heart disease. Heart disease is a serious concern for breast cancer patients. It is the leading cause of death in this group. This increased risk may come from natural aging, shared health risks, and side effects from treatments. One common treatment, anthracycline-based chemotherapy, has been linked to heart damage. Studies show that breast cancer patients have a higher risk of developing heart issues like Heart Attacks and Heart Failure.
With advancements in screening, more women are being diagnosed with breast cancer at younger ages. Research has shown that younger patients may face a greater risk of heart failure. Therefore, researchers believe that the age at which someone is diagnosed with breast cancer could influence their chances of developing heart-related issues later on. However, there hasn’t been enough research on whether being diagnosed at a younger age leads to a higher risk of heart attacks or heart failure.
In this study, researchers used data from the UK Biobank to look at how the age at diagnosis of breast cancer affects the risk of heart attacks and heart failure among patients. The UK Biobank is a large health study involving over 270,000 women aged 40 and older from the UK. Participants provided detailed health and lifestyle information, and ethical consent was obtained for their data to be used in research.
Study Design and Participants
The study used data from the UK Biobank collected between 2006 and 2010. Participants were selected based on their health history and whether they had breast cancer, heart attacks, or heart failure. Those with existing heart issues or incomplete health data were excluded. In the end, 16,241 women with breast cancer were included in the study, along with 48,723 healthy women for comparison.
Breast cancer diagnosis and age were identified using registered health records, specifically looking for cases coded as breast cancer. Cases of heart attacks and heart failure were documented based on self-reports, hospital records, and mortality data.
Researchers also collected information on various health factors and habits, including age, ethnic background, education, smoking and drinking habits, exercise, body weight, cholesterol levels, mental health, and conditions like high blood pressure and diabetes.
Analysis and Results
When looking at the overall group of women, researchers found that breast cancer patients had a lower risk of heart attacks but a higher risk of heart failure compared to those without breast cancer. In simple terms, while they were less likely to have heart attacks, they were more likely to develop serious heart failure.
Among women diagnosed with breast cancer, those who were diagnosed at a younger age faced a much higher risk of heart attacks and heart failure. Specifically, for every ten years younger a patient was at diagnosis, the risk of heart attacks increased dramatically.
The study identified three different age groups based on when women were diagnosed: those under 50 years old, those between 50 and 59, and those 60 and older. It was found that younger women had the highest risk for both heart attacks and heart failure, with the risks decreasing as the age of diagnosis increased.
Sensitivity Analysis and Findings
To ensure the results were valid, researchers performed sensitivity analyses. These tests allowed them to check if other factors, like high blood pressure and diabetes, affected the results. They also looked at what happened if patients died from other causes or if heart issues developed within five years of the initial diagnosis.
The findings remained consistent even after considering these various factors, showing that younger breast cancer patients should be closely monitored for heart problems.
Implications of the Study
This study highlights an important issue: younger women diagnosed with breast cancer are at greater risk for heart problems. With a better understanding of these risks, healthcare providers can focus on the cardiovascular health of their patients. This means that when treating younger women for breast cancer, healthcare teams should consider ways to monitor and protect their heart health during and after treatment.
Conclusion
In summary, breast cancer is a significant health challenge for many women, and the age at which it is diagnosed can have important implications for heart health. Younger women diagnosed with breast cancer may face higher risks of developing heart issues like heart attacks and heart failure later in life.
This study is among the largest to explore the connections between age at diagnosis of breast cancer and heart health outcomes. It underscores the need for ongoing research and proactive measures to address the heart health of these patients. By understanding these risks, healthcare providers can take steps to better support younger breast cancer patients throughout their treatment and recovery.
As research continues, it is crucial to prioritize cardiovascular monitoring, especially for those diagnosed at a younger age. This will help ensure that women with breast cancer not only survive but thrive, maintaining both their overall health and quality of life.
Title: Associations of onset age of breast cancer with incident myocardial infarction and heart failure: a prospective cohort study
Abstract: BackgroundThe associations of age at diagnosis of breast cancer with incident myocardial infarction (MI) and heart failure (HF) remain unexamined. Addressing this problem could promote understanding of the cardiovascular impact of breast cancer. MethodsData were from the UK Biobank. Information on the diagnosis of breast cancer, MI, and HF were collected at baseline and follow-ups (median=12.8 years). The propensity score matching method and Cox proportional hazards models were employed. ResultsA total of 251 277 female participants (mean age: 56.8{+/-}8.0 years), of whom 16 241 had breast cancer, were included. Among participants with breast cancer, younger age at diagnosis (per 10-year decrease) was significantly associated with elevated risks of MI (HR=1.36, 95%CI: 1.19 to 1.56, P
Authors: Fanfan Zheng, J. Liang, Y. Pan, W. Zhang, D. Gao, Y. Wang, W. Xie
Last Update: 2024-01-24 00:00:00
Language: English
Source URL: https://www.medrxiv.org/content/10.1101/2024.01.24.24301711
Source PDF: https://www.medrxiv.org/content/10.1101/2024.01.24.24301711.full.pdf
Licence: https://creativecommons.org/licenses/by/4.0/
Changes: This summary was created with assistance from AI and may have inaccuracies. For accurate information, please refer to the original source documents linked here.
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