4.4 Article

Does Overfilling Smooth Inflatable Saline-Filled Breast Implants Decrease the Deflation Rate? Experience with 4761 Augmentation Mammaplasty Patients

Journal

AESTHETIC PLASTIC SURGERY
Volume 45, Issue 5, Pages 1991-1999

Publisher

SPRINGER
DOI: 10.1007/s00266-021-02198-3

Keywords

Saline implants; Breast implants; Implant deflation; Breast augmentation; Overfilling saline implants; Deflation rate of implants

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The study suggests that overfilling Mentor Style 1600 saline breast implants can significantly reduce the deflation rate, providing valuable guidance for breast augmentation surgeries.
Background Research suggests that overfilling saline inflatable breast implants may decrease their deflation rates. To date, there has been no large-scale study comparing breast implants filled within vs. beyond the manufacturer's recommended fill volumes. Methods A retrospective comparative study was conducted for 4761 women who underwent aesthetic augmentation mastopexy by the author. Patients were divided into two groups: Group 1 includes 2960 patients who had breast augmentation between 2002 and 2009 with implants filled within the manufacturer's recommended fill volumes. Group 2 includes 1801 patients who had breast augmentation between 2011 and 2018. Their implants were overfilled with an average volume between 42 and 50 cc, or 10-13%, respectively. All surgeries were performed with Mentor Style 1600 saline breast implants (smooth, round moderate profile) through an inframammary incision; implants were placed in the subpectoral (dual) plane. Also evaluated was the yearly increase in deflation rates. Results Group I had 119 deflations, representing a deflation rate of 4.02%. Group 2 had 33 deflations, providing a deflation rate of 1.83%. The author found a protective effect in overfilling the device (p < 0.00001 and Z-score of 4.17). Fold failure was the major reason for deflation in both groups. The implants filled within the manufacturer's recommended volume had a yearly increase in deflation rate of 0.41%, not 1% as is commonly reported. The overfilled implants did not have a yearly increase in deflation rate. Conclusion Overfilling Mentor Style 1600 saline breast implants (smooth, round moderate profile) 10-13% significantly reduced the deflation rate.

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