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Τετάρτη 14 Σεπτεμβρίου 2016

Risk Factor Analysis for Capsular Contracture, Malposition, and Late Seroma in Subjects Receiving Natrelle 410 Form-Stable Silicone Breast Implants.

Background: Natrelle(R) 410 silicone breast implants are approved in the US for breast augmentation, reconstruction, and revision. Methods: In two ongoing, prospective, multicenter 10-year studies, 17,656 subjects received Natrelle 410 implants for augmentation (n=5059), revision-augmentation (n=2632), reconstruction (n=7502), or revision-reconstruction (n=2463). Capsular contracture, implant malposition, and late seroma were documented. Cox proportional hazards regression analyses evaluated potential associations between subject-, implant-, and surgery-related factors and these complications. Results: Median follow-up was 4.1, 2.6, 2.1, and 2.3 years in the augmentation, revision-augmentation, reconstruction, and revision-reconstruction cohorts, respectively. Incidence of capsular contracture across cohorts ranged from 2.3% to 4.1%, malposition from 1.5% to 2.7%, and late seroma from 0.1% to 0.2%. Significant risk factors for capsular contracture were subglandular implant placement, periareolar incision site, and older device age in the augmentation cohort (p

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