Skip Navigation LinksHome > March 2013 - Volume 131 - Issue 3 > Postoperative Antibiotic Prophylaxis for Implant-Based Breas...
Plastic & Reconstructive Surgery:
doi: 10.1097/PRS.0b013e31827c6d90
Breast: Original Articles

Postoperative Antibiotic Prophylaxis for Implant-Based Breast Reconstruction with Acellular Dermal Matrix

Avashia, Yash J. B.S.; Mohan, Raja M.D.; Berhane, ChiChi M.D.; Oeltjen, John C. M.D., Ph.D.

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Abstract

Background: The use of acellular dermal matrix in implant-based breast reconstruction has been described for improving inferolateral prosthesis coverage and support and inframammary fold reconstruction. Recommended guidelines for infection prophylaxis are the same as for any clean procedure—antibiotic administration only before surgery. Previous studies have demonstrated increased postoperative rates of infection and seroma associated with the use of acellular dermal matrix. The authors evaluated the impact of postoperative antibiotic prophylaxis on infection rates in postmastectomy expander-based breast reconstruction with acellular dermal matrix.

Methods: A retrospective study reviewed data of 96 patients who underwent either immediate or delayed expander-based breast reconstruction using AlloDerm allogenic acellular dermal matrix. Infection rates were analyzed after patients received postoperative antibiotic prophylaxis for at least 48 hours compared with those who received only perioperative antibiotics.

Results: Infection rates for breast reconstructions with a postoperative antibiotic course were 7.9 and 3.2 percent. Patients with only perioperative antibiotics had an infection rate of 31.6 percent. Infections were defined by the endpoint of implant removal. Patient demographics, comorbidities, and intraoperative variables were recorded. Uncontrolled variables were time course between mastectomy and reconstruction, nodal dissection, operative history, and whether reconstruction was unilateral or bilateral.

Conclusions: This study demonstrates significant differences in the rate of infection between the groups of patients undergoing the first stage of two-stage implant-based breast reconstruction who received postoperative antibiotic prophylaxis and the group that received only perioperative antibiotics. This study suggests that the optimal duration of postoperative antibiotic prophylaxis is at least 48 hours.

CLINICAL QUESTION/LEVEL OF EVIDENCE: Therapeutic, III.

©2013American Society of Plastic Surgeons

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