Comparison of risk factors and complications in patients by stratified mastectomy weight: An institutional review of 1041 consecutive cases

Background and Objectives

This study aims to investigate the specific complication rates, reconstructive differences, and delineate the pertinent independent risk factors in patients with different mastectomy weights.

Methods

A retrospective chart review of consecutive patients undergoing mastectomy between 2010 and 2015 was performed. Patient demographics, comorbidities, and intraoperative and postoperative outcomes were collected. Patients were divided into three groups: those with mastectomy weight <500, 500-1000, and >1000 g.

Results

During the study period, a total of 704 consecutive patients and 1041 total mastectomy surgeries had complete mastectomy specimen weight data. Of these, 437 breasts were in the <500 g specimen group, 425 were included in the 500-1000 g group and 179 in the >1000g group. The rate of overall complications between the three mastectomy weight groups (<500, 500-1000, and >1000 g) was statistically significant (14.0%, 17.6%, and 25.7%; P = 0.002, respectively) and were higher with increased mastectomy weights. Notably, in patients with breast mastectomy weight >1000 g, autologous reconstruction had significantly reduced rates of overall complications (AOR = 0.512, P = 0.048).

Conclusion

Complication rates were lower in women with larger breast weights undergoing autologous reconstruction, warranting potential use of autologous free flap breast reconstruction in women with large mastectomy specimen weights when possible.

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