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Published on: February 9, 2011
Infection due to organisms of the Mycobacterium fortuitum complex after augmentation mammaplasty: clinical and
Abstract:
Periprosthetic infections due to Mycobacterium fortuitum and Mycobacterium chelonei occurred in 17 women over a 3.5-year period after implantation of prostheses for breast augmentation. The median incubation period for 16 of the women was 28 days (range, one week to over two years) after surgery; etiologic diagnosis was usually delayed for weeks to months. Odorless and serosanguineous or purulent material was found when the implants were removed, and acid-fast bacilli were often present when smears were examined. Wound infections were chronic and refractory to therapy with various antimicrobial agents. Persistent or recurrent mycobacterial infections complicated attempts to implant new prostheses. Whereas M. fortuitum isolates were susceptible to amikacin, multiple strains of M. fortuitum were distinguished by conventional antituberculous and broth microdilution susceptibility tests. Several clusters of infections were temporally and geographically related; however, sporadic cases were also reported, and no evidence of a contaminated common product or other single source of infection was found.
Insights
Periprosthetic infections from Mycobacterium fortuitum and Mycobacterium chelonei are challenging after breast augmentation. These chronic, refractory wound infections often require delayed diagnosis and complicate further procedures.
Area of Science:
- Infectious Diseases
- Microbiology
- Plastic Surgery
Background:
- Periprosthetic infections pose a significant challenge in reconstructive surgery.
- Mycobacterium fortuitum and Mycobacterium chelonei are rapidly growing mycobacteria known to cause opportunistic infections.
Purpose of the Study:
- To describe the clinical characteristics and outcomes of periprosthetic infections caused by Mycobacterium fortuitum and Mycobacterium chelonei following breast augmentation.
- To analyze the diagnostic challenges and treatment responses in these specific mycobacterial infections.
Main Methods:
- Retrospective case series analysis of 17 women with periprosthetic infections.
- Review of clinical data, microbiological findings, and treatment regimens.
- Antimicrobial susceptibility testing of Mycobacterium isolates.
Main Results:
- Seventeen cases of periprosthetic infection after breast augmentation were identified over 3.5 years.
- Median incubation period was 28 days; diagnosis was often delayed.
- Infections presented as chronic, refractory wounds with serosanguineous or purulent discharge.
- Mycobacterium fortuitum isolates showed susceptibility to amikacin, but strain variability was noted.
- Recurrent infections complicated revision surgeries.
Conclusions:
- Periprosthetic infections with rapidly growing mycobacteria are a serious complication of breast augmentation.
- Early diagnosis and appropriate antimicrobial therapy are crucial but challenging.
- These infections can lead to persistent morbidity and affect reconstructive outcomes.
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