ASBS: Prophylactic Mastectomy Good Even Years Later (CME/CE) http://bit.ly/kMCsdr
Boughey and colleagues note that previous researchers using cross-sectional surveys have found that the majority of women are satisfied with their decision to have contralateral prophylactic mastectomy (CPM) one to several years after the procedure.
Their study chose to look at the consistency of satisfaction and changes in adverse effects in the same women with longer term follow-up.
To do this, they surveyed a previously established cohort of women with unilateral breast cancer who had contralateral prophylactic mastectomy at the Mayo Clinic between 1960 to 1993. All of the women had a positive family history. All were surveyed at two time points and the results compared.
The initial survey was done at a mean of 10.3 years after prophylactic mastectomy (second and third references below). This survey involved 583 women.
Of the 583 women who responded to the initial survey, 523 were alive and resurveyed 10 years later. Data from both surveys are available for analysis on 269 women.
The researchers found the majority of women continued to be satisfied with their decision to have contralateral prophylactic mastectomy (86% initial survey; 90% follow-up survey, p=0.06).
Similar numbers to that of the initial survey reported neutral feelings or dissatisfaction with their CPM decision on follow-up survey (8% and 6%, respectively, initial survey; 4% and 6% follow-up survey).
There was no significant change in the proportion indicating they would choose CPM again, but as with satisfaction, the proportion was slightly higher on the follow-up survey (95% initial survey; 97% follow-up survey, p=0.27).
The most frequently cited adverse effects were similar at both time points and included body appearance (29% vs 31%, initial vs follow-up survey, p=0.61), sense of femininity (21% vs 24%, p=0.25) and sexual relationships (24% vs 23%, p=0.68).
From the MedPage News article: "This information is useful in the education of patients and physicians," said Boughey. "Patients should consider their choice carefully and be made aware of adverse events. However, those that decide for contralateral prophylactic mastectomy are likely to remain satisfied with the decision in the long term."
A related post of interest is one from Dr. Dialogue: Is Watchful Waiting too Difficult? (originally posted there on March 13, 2010 and on Better Health on May 1st, 2011: Why Double Mastectomies Are Popular: Watchful Waiting Is Too Difficult?)
1. Contralateral prophylactic mastectomy: Consistency of satisfaction and psychosocial consequences over time; Boughey JC, et al; ASBS 2011; Abstract 1693 (pdf file)
2. Satisfaction After Contralateral Prophylactic Mastectomy: The Significance of Mastectomy Type, Reconstructive Complications, and Body Appearance; Frost MH, Slezak JM, Tran NV, Williams CI, Johnson JL, Woods JE, Petty PM, Donohue JH, Grant CS, Sloan JA, Sellers TA, Hartmann LC; JCO Nov 1, 2005:7849-7856; DOI 10.1200/JCO.2005.09.233.
3. Contralateral Prophylactic Mastectomy: Efficacy, Satisfaction, and Regret (Editorial); Marc D. Schwartz; J Clin Oncol 2005, 23: 7777-7779; DOI: 10.1200/JCO.2005.08.903