Menopause and Hysterectomy Effects on VEGF in Breast Cancer Surgery
Author Information
Author(s): Aoife J Lowery, Karl J Sweeney, Alan P Molloy, Emer Hennessy, Catherine Curran, Michael J Kerin
Primary Institution: University College Hospital Galway
Hypothesis
Does menopause or hysterectomy affect systemic vascular endothelial growth factor (VEGF) levels in women undergoing surgery for breast cancer?
Conclusion
An intact postmenopausal uterus may help reduce circulating levels of VEGF, potentially offering protection against breast cancer metastasis.
Supporting Evidence
- Circulating VEGF levels were significantly higher in breast cancer patients compared to controls.
- Systemic VEGF levels decreased significantly after tumor excision.
- Postmenopausal women with a previous hysterectomy had higher VEGF levels than those with an intact uterus.
Takeaway
This study found that women with an intact uterus after menopause have lower levels of a protein that can help cancer grow, which might help protect them from breast cancer spreading.
Methodology
The study measured serum VEGF levels in breast cancer patients and matched controls, analyzing the effects of menopause and hysterectomy.
Potential Biases
Potential selection bias due to the recruitment of participants from a single institution.
Limitations
The study was limited to a single institution and may not be generalizable to all populations.
Participant Demographics
200 women, including 89 breast cancer patients and 111 controls, with varying menopausal and hysterectomy statuses.
Statistical Information
P-Value
0.0001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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