Bio-Revitalization: Effects of NASHA on Genes Involving Tissue Remodeling

Safety and Efficacy Study of the Application of Redensified Cross-Linked Hyaluronic Acid for Filling Gluteal Volume and Cellulite Depressions

PURPOSE

To test the efficacy and safety of cross-linked hyaluronic acid application for filling buttocks and cellulite depressions and its permanence over time.

METHODS

For a period of a year, 25 patients were applied redensified cross-linked hyaluronic acid in the gluteal area. These patients were all 23-45-year-old women with little fat to be removed. The product used is composed of hyaluronic acid with high cross-linking and redensification which allows it to maintain shape and durability over time. All patients underwent tumescent anesthesia with neuroleptic sedation in the operating room. The procedure was regarded as minimal (container, sterile gloves, and surgical field). The amount applied for gluteal augmentation varied from 50 to 100 ml per application area and according to the patient's needs. For the filling of cellulite depressions, the application was up to 3 cc per depression and up to a total of 40 ml. The maximum volume used per patient in the buttocks did not exceed 200 ml, and it did not exceed 40 ml in cellulite depressions.

RESULTS

A group of patients was treated in the upper and middle third of the buttocks in superficial and deep subcutaneous layers and in cellulite depressions. Very good results have been obtained without any major complications.

CONCLUSIONS

The use of redensified cross-linked hyaluronic acid of non-animal origin is therefore an option for gluteal augmentation and cellulite depressions. Although the product degrades over time, after 12 months, 44% of treated patients rated their results as highly or very much improved, 36% as improved, 16% rated the improvement as poor, and one patient (4%) was dissatisfied.

LEVEL OF EVIDENCE IV

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Effects of light-emitting diode (led 640nm) on human gingival fibroblasts: a comparative in vitro study

Purpose

The light-emitting diodes (LEDs) have been applied in oral surgery for tissue stimulation and wound healing. Several Authors have highlighted that fibroblasts subjected to phototherapy have an increased viability, proliferation, biomodulation of inflammatory cytokines and genes expression. It remains to be determined which are the best irradiation parameters (energy, wavelength, power) for each type of cell in order to obtain the best bio-stimulation. The aim of this study was to investigate the effects of LED irradiation on primary human gingival fibroblast cells (HGF) on DSP, ELN, HAS1, ELANE, HYAL1, RPL13 genes activation using Real Time PCR. These genes activation is directly connected with elastin protein production and HGF functionality.

Materials and methods

Human gingival tissue biopsies were obtained from three healthy patients during extraction of teeth. The gingival pieces were fragmented with a scalpel and transferred in culture dishes for allow the cells growth. Human gingival fibroblasts at the second passage were seeded on multiple 6-well plates and were stimulated with three different light-emitting diodes (LEDs) fixture. After irradiation, the cells were trypsinized, harvested and lysed for RNA extraction. Genes expression was quantified using Real Time PCR.

Results

We didn't found significant differences in genes activation of HGF of the three different LEDs. The LED irradiation seems to be directly correlated with the elastin and hyaluronoglucosaminidase 1 genes activation that are directly connected with proteins production and HGF functionality.

Conclusions

HGF show an increased deposition of elastin as well as enhanced expression of collagen type I, which is the main protein related to the synthesis and of the collagen-rich matrix.

Direct brow lifting: Specific indications for a simplified approach to eyebrow ptosis

Context:

Brow lifting is an essential element in the rejuvenation of the ageing face. Various surgical techniques have been described. Among these, the direct brow lifting is an easy and effective technique that is often neglected because the scar can remain visible. Thus, this approach is usually reserved for elderly patients and males, with thick bushy brows.

Aims:

The authors present their result from a series of fifty consecutive patients treated over 2 years with direct brow lift. The aim is to demonstrate when the hairline is high or temporal alopecia is present and whether this technique is the best in bald patients, when some surgical steps are carefully adhered to. In these cases, the scar is less visible, hidden in the brow and is a good solution in women too.

Subjects and Methods:

Between January 2011 and January 2013, fifty patients underwent direct brow lift surgery. All were men. In all the cases, brow lifting was undertaken together with an upper blepharoplasty. The amount of brow elevation produced was assessed by comparing the vertical distances between the superior eyebrow hairline and the inter-pupillary line, pre- and post-operatively. The result and the scar quality were assessed both by the patient and the surgeon.

Statistical Analysis Used:

The paired t-test.

Results:

The authors obtained statistically significant results in brow elevation in 98% of the patients after a 12-month follow-up. The main complication associated with this procedure was visibility of the scar in two patients.

Conclusions:

The direct brow lift technique in bald men and with a high anterior hairline provides excellent and long-lasting results.