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KMID : 0358820110380050621
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Journal of Korean Society of Plastic and Reconstructive Surgeons
2011 Volume.38 No. 5 p.621 ~ p.626
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Risk Factors of Tissue-Expander Infection in Breast Reconstruction
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Hahn Sung-Bum
Lee Dong-Won
Lew Dae-Hyun
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Abstract
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Purpose: Implant-based breast reconstruction has multiple advantages such as decreased morbidity, shorter operative time and faster recovery. However, postoperative infection with tissue expander increases medical cost and causes a delay in concurrent antineoplastic treatment. To reduce tissue expander infection, it is important to identify related risk factors and minimize them when possible.
Methods: A retrospective review of patient records in a single breast cancer center was performed. Eighty-six tissue expanders were placed in 80 women for postmastectomy breast reconstruction. Variables including patients’age, body mass index (BMI), preoperative breast volume, operation time, drain indwelling time, postoperative seroma/hematoma formation, chemotherapy, and radiation therapy were evaluated. Infection was defined as the status that shows any symptom of local inflammation and identification of pathogens. Representative values were compared through Student’s t-test and univariate and multivariate analyses.
Results: We examined 86 postmastectomy tissueexpanders which were placed between June 2004 and April 2010. Seven cases of tissue expander infection (8.1%) were identified. The infected tissue expander was removed in three of the cases. The relationship between BMI, and preoperative breast volume and that between infection and non-infection groups were significant (P<0.05). Univariate analysis showed significant association between BMI (P=0.023) and preoperative breast volume (P=0.037). Multivariate analysis revealed that BMI and preoperative breast volume were independent variables regarding tissue expander infection.
Conclusion: Certain characteristics of implant-based breast reconstruction patients increase infection rate of tissue expander. These risk factors should be monitored and evaluated before surgeries for more successful outcome.
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KEYWORD
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Tissue expander, Infection, BMI, Breast volume, Breast reconstruction
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