Breast

General

Subclinical (Biofilm) Infection Causes Capsular Contracture in a Porcine Model following Augmentation Mammaplasty

Tamboto H, Vickery K, Deva AK (Univ of New South Wales, Sydney, Australia) Plast Reconstr Surg 126:835-842, 2010^§

Abstract

Background

Capsular contracture remains the most common complication following augmentation mammaplasty. The infective hypothesis implicates subclinical infection with biofilm in its pathogenesis. The authors developed an in vivo model of subclinical infection and biofilm formation to further investigate this.

Methods

Adult female pigs underwent augmentation mammaplasty using miniature gel-filled implants. Staphylococcus epidermidis was inoculated into some of the periprosthetics as compared with control pockets, which were not inoculated. Implants were left in situ for 13 weeks, after which clinical assessment with the Baker technique was performed. Implants and capsules were then removed and subjected to laboratory analysis to detect biofilm.

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