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The relationship between contralateral prophylactic mastectomy and breast reconstruction, complications, breast-related procedures, and costs: A population-based study of health insurance data
Journal article   Peer reviewed

The relationship between contralateral prophylactic mastectomy and breast reconstruction, complications, breast-related procedures, and costs: A population-based study of health insurance data

Mary C. Schroeder, Yu-Yu Tien, Lillian M. Erdahl, Ingrid M. Lizarraga, Brahmendra R. Viyyuri and Sonia L. Sugg
Surgery, Vol.168(5), pp.859-867
11/2020
DOI: 10.1016/j.surg.2020.06.030
PMCID: PMC8829974
PMID: 32819721
url
https://www.ncbi.nlm.nih.gov/pmc/articles/8829974View
Open Access

Abstract

Increasingly, women are undergoing contralateral prophylactic mastectomy for the treatment of unilateral breast cancer. The relationship between contralateral prophylactic mastectomy and breast reconstruction, postsurgical complications, additional breast-related procedures, and cost has not received the attention it deserves. Data from the New York comprehensive, all-age, all-payer, Statewide Planning and Research Cooperative System were queried to identify patients undergoing unilateral mastectomy or contralateral prophylactic mastectomy from 2008 to 2010. We identified the complications and breast-related procedures within a 2-y follow-up period. Costs of the index operation and subsequent follow-up were estimated. Univariate and multivariate analyses were conducted. Of 12,959 women identified, 10.7% underwent contralateral prophylactic mastectomy. On univariate analysis, contralateral prophylactic mastectomy was positively associated with breast reconstruction, complications, and additional breast-related procedures. Rates of complications were greater for women who had contralateral prophylactic mastectomy (29.5% vs 20.8% for unilateral mastectomy group; P < .001), but not after stratifying by breast reconstruction. Additional breast-related procedures were more common in the contralateral prophylactic mastectomy group than in the unilateral mastectomy group, but only for those who underwent breast reconstruction (82.8% vs 72.1%; P < .001). Unadjusted costs were greater for women with contralateral prophylactic mastectomy than with unilateral mastectomy but did not differ between the groups after adjusting for breast reconstruction and additional breast-related procedures. Women who elected contralateral prophylactic mastectomy in this population-based study were more likely to have both breast reconstruction and additional breast-related procedures than women with unilateral mastectomy. The greater rates of complications and costs associated with contralateral prophylactic mastectomy were explained by breast reconstruction and additional breast-related procedures. Surgeons should counsel patients regarding the increased cost and likelihood of undergoing additional, non-complication–related procedures after contralateral prophylactic mastectomy with breast reconstruction.

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