A Comparison of Surgical Complications Between Immediate Breast Reconstruction and Mastectomy: The Impact on Delivery of Chemotherapy—An Analysis of 391 Procedures

Toni Zhong MD, Stefan O. P. Hofer MD, David R. McCready MD, Lindsay M. Jacks MD, Francis E. Cook MD, Nancy Baxter MD
Breast Oncology
Volume 19, Issue 2 / February , 2011

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Abstract

Purpose

To compare the postoperative complications after immediate breast reconstruction (IBR) versus mastectomy alone and to examine the impact on the delivery of chemotherapy.

Methods

In this prospective series, there were 391 consecutive women who underwent mastectomy (243 mastectomy alone and 148 mastectomy and IBR). The outcome measures were complications (within 3 months after surgery) and time to adjuvant chemotherapy.

Results

Compared to the IBR group, patients in the mastectomy alone group were significantly older (P < 0.0001), smokers (P = 0.007) and less likely to have had previous radiation or lumpectomy (P < 0.0001). Overall, the complication rate was significantly greater in the IBR group than mastectomy alone (27.0% vs. 15.6%, P = 0.009). Univariate analyses revealed that mastectomy with IBR [odds ratio (OR) = 2, 95% confidence interval (CI) 1.21–2.30]; bilateral procedure (OR = 1.84, 95% CI 1.07–3.16); previous radiotherapy (OR = 2.4, 95% CI 1.29–4.47); and previous lumpectomy (OR = 1.84, 95% CI 1.11–3.03) were significant predictors of increased complications. With multivariable analysis, none of these variables were significantly associated with increased complications. 106 patients received adjuvant chemotherapy; median time from mastectomy to chemotherapy was 6.8 (0.71–15) weeks in the mastectomy alone group (n = 96) compared to 8.5 (6.3–11) weeks in the IBR group (n = 10) (P = 0.01).

Conclusions

Although the incidence of overall and major postoperative complications was higher after IBR than mastectomy alone, there were no significant relationships in the multivariable analysis. IBR was associated with a modest increase in time to chemotherapy that was statistically but not clinically significant.

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