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Farber et al. Plast Aesthet Res 2020;7:72 I http://dx.doi.org/10.20517/2347-9264.2020.152 Page 11 of 28

Figure 7. High-intensity focused ultrasound (Ultherapy). 64-year-old African American female before (left) and 2 months following
(right) High-intensity focused ultrasound therapy to the neck, cheeks

Outcomes and complications
Following treatment, patients should expect swelling, erythema, and transient bruising, all of which are
[33]
self-limiting. Complete results can usually be expected within six months . Studies report that greater
[34]
than 80% of patients and providers note an improvement following treatment . An example of a patient
treated with high-intensity focused ultrasound is included in Figure 7. Other examples of patients who
underwent a combination of ultrasonic skin tightening and skin resurfacing is shown in Figures 8 and 9.

Rarely, patients can develop linear patterns of skin discoloration that resolve within a few weeks. There
have been reports of motor nerve paresis, specifically in the temporal and marginal mandibular branches of
[36]
the facial nerve, but these have all resolved within six weeks .