Long-Lasting Injectable Implant for Correcting Cosmetic Nasal Deformities

Rhinoplasly is arguably one of the most difficult procedures to perfonn in plastic surgery. Subtle defects of only a few millimeters can mean the difference between a satisfied and unsatisfied patient. In some cases, nasal defects can be addressed by revision surgery; revision rates are estimated to range from 4 to 1%, although revisions are probably greatly undeireported.' Yet nasal revision surgery has potential drawbacks. For example, it can increase the risk of nasal collapse or worsening of the deformity. Moreover, many patients may not be good candidates for surgical revision for financial, physical, or psychological reasons. For these patients, minor contour irregularities may be addressed and effectively itnproved with an oftice-based itijectable implant. Several injeetable tillers have been used for augmenting nasal defects. Hyaluronic acids and collagen are well accepted by physicians and patients alike, but the expected correction lasts only days to weeks.Silicone has been reported to be very successful in permanently filling and correcting nasal defects, but there is always the risk of a long-term complication such as granuloma formation or a persistent foreign-body reaction.'' Also, in view of