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Breast arterial calcification on mammography could identify women at high risk of CVD in future: Study
USA: Breast arterial calcifications (BAC) on a screening mammogram may identify women at potentially increased risk of future cardiovascular disease (CVD) without radiation exposure and additional cost, a recent study published in Clinical Imaging has found.
In the cross-sectional study of women who underwent both screening mammography and cardiac computed tomographic angiography, BAC was found in 18% of women.
Researchers found links between such calcifications and older age, younger age at first birth, diabetes, parity, and hypertension in women who underwent both screening mammography and cardiac CT angiography (CCTA).
Additionally, they found that when neither BAC nor coronary arterial calcifications were present, the estimated 10-year risk of developing atherosclerotic CVD was lowest, whereas, the highest risk was observed when both calcifications were present.
Breast arterial calcifications are incidentally observed on mammograms, yet there is no clarity on their implications. Shadi Azam, Department of Population Health Sciences, Weill Cornell Medicine, New York, USA, and colleagues investigated reproductive, lifestyle, and cardiovascular determinants of BAC in women undergoing mammography screening. Further, they investigated the relationship between BAC, coronary arterial calcifications (CAC), and estimated 10-year atherosclerotic CVD (ASCVD) risk.
In the cross-sectional study, the researchers obtained reproductive history and CVD risk factors from 215 women aged 18 or above who underwent mammography and CCTA within 2 years between 2007 and 2017 at a hospital.
BAC was divided as binary (present/absent) and semi-quantitatively (mild, moderate, severe). CAC was investigated using the Agatston method and recorded as binary (present/absent).
Adjusted odds ratios (ORs) were calculated, accounting for age as a confounding factor. ASCVD risk over ten years was calculated using the Pooled Cohort Risk Equations.
The researchers reported the following findings:
- Older age, systolic and diastolic blood pressures, higher parity, and younger age at the first birth (≤28 years) were significantly associated with greater odds of BAC.
- Women with both BAC and CAC had the highest estimated 10-year risk of ASCVD (13.30 %).
- Those with only BAC (8.80 %), only CAC (5.80 %), and no BAC or CAC (4.40 %) had lower estimated 10-year risks of ASCVD.
- The researchers detected no association between the presence of BAC and CAC.
The researchers highlighted that finding links between the mammographic presence of BAC and cardiovascular disease risk could help better manage patients without needing additional exposure to radiation and could help save on costs.
“There is a need for further research in large cohorts with longer follow-up periods to delineate better the association between [calcification] burden and CVD outcomes and to establish the clinical utility of reporting breast arterial calcifications detected through mammography screening,” the researchers wrote.
Reference:
Azam, S., Tamimi, R. M., Drotman, M. B., Babagbemi, K., Levy, A. D., & Peña, J. M. (2024). Assessing breast arterial calcification in mammograms and its implications for atherosclerotic cardiovascular disease risk. Clinical Imaging, 110129. https://doi.org/10.1016/j.clinimag.2024.110129
MSc. Biotechnology
Medha Baranwal joined Medical Dialogues as an Editor in 2018 for Speciality Medical Dialogues. She covers several medical specialties including Cardiac Sciences, Dentistry, Diabetes and Endo, Diagnostics, ENT, Gastroenterology, Neurosciences, and Radiology. She has completed her Bachelors in Biomedical Sciences from DU and then pursued Masters in Biotechnology from Amity University. She has a working experience of 5 years in the field of medical research writing, scientific writing, content writing, and content management. She can be contacted at editorial@medicaldialogues.in. Contact no. 011-43720751
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751