Zygomatic Augmentation through Curved Cannulas with the Use of a New Stabilized Hyaluronic Acid Dermal Filler (Decoria voluma, Bohus BioTech AB, Sweden, EC): 10 Months Follow Up

Background: Cheekbone augmentation represents a common request among facial rejuvenation procedures, due to its impressive results in the midface volumetric lifting capacity. Objective: To evaluate the safety, efficacy and patient satisfaction with the use of a new cross-linked hyaluronic acid (HA) based dermal filler (Decoria voluma, Bohus BioTech AB, Sweden, EC) in augmenting zygomatic and malar region (Cheekbone) through a novel zygomatic curved cannula (Torres curved cannulas set, Notrox instruments, Pakistan). Materials and Methods: This was a single center, blind evaluator, 300-day study in which 90 patients were treated at their baseline visit with up to five 1mL syringes of HA. The majority of subjects were treated using curved cannulas. A small independent control group (n=15) was treated with traditional straight cannulas, to analyze compliance differences. The physician and evaluator assessed patients, clinically and through 3D software, 7 days after treatment and then every month after the initial treatment for 10 months (300 days). Moreover, patient satisfaction was measured at 7d, 1,3,6 and 10m through a self-evaluation questionnaire. Results: Subjects experienced statistically significant improvement in Cheekbone projection and Ogee Curve and maintained those results for more than 240 days. In proximity of the end of the observational period (300 days) the studied area revealed minor reabsorption of the product being at all times better than baseline. Patient satisfaction scores were rather excellent or very good in the curved cannula group and good in the straight cannula group for all the length of the study. Conclusion: Injectable HA new cross-linked based dermal filler (Decoria voluma, Bohus BioTech AB, Sweden, EC) was efficacious in augmenting cheekbones, resulting in satisfactory corrections up to 300 days and excellent patient compliance and satisfaction rate. Treatments were better tolerated and scored higher satisfaction rates when performed through curved cannulas.