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  • Title: Combining Calcium Hydroxylapatite and Hyaluronic Acid Fillers for Aesthetic Indications: Efficacy of an Innovative Hybrid Filler.
    Author: Fakih-Gomez N, Kadouch J.
    Journal: Aesthetic Plast Surg; 2022 Feb; 46(1):373-381. PubMed ID: 34341855.
    Abstract:
    BACKGROUND: Limited data are available describing effectiveness of combining the use of calcium hydroxylapatite (CaHA) and hyaluronic acid (HA). METHODS: The authors performed a retrospective chart review of patients injected with a premixed combination of CaHA and a cohesive polydensified matrix (CPM®) HA (CaHA:CPM-HA ) in the authors' aesthetic practices. The midface and lower face were injected. Patients' records were evaluated, and treatment results were scored using the Merz Aesthetics Scale for the jawline® (clinician rated, CR-MASJ). Adverse events were recorded. RESULTS: A total of 41 patients were included, all females with a mean age of 47.5 years (range 21-63 years). The mean CR-MASJ score improved from 2.12 at baseline to 0.68 at t = 3 months (SD = 0.69, 95% CI 1.28-1.60) and 1.27 at t = 12 months (SD = 0.74, 95% CI 0.43-0.74). 100% of the subjects had experienced a ≥1-point improvement in CR-MASJ score at t = 3 months, versus 85% at t = 12 months. No adverse events were reported. CONCLUSION: The results of this study support the volumizing and lifting potential of the hybrid mix CaHA:CPM-HA for treatment of cheeks and jawline. LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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