This paper is devoted to the actual problem of cosmetology - the procedures of filament rejuvenation of face and neck, which become popular every year. Literature data on the efficacy of these methods are controversial. The authors of most works indicate the minimum number of complications in the practical absence of negative appraisal methodology. The issues of development of the indication for use of some types of filaments and optimal criteria of evaluation of the expected effect in clinical practice are relevant and are discussed in this paper. Taking into account the absence of objective information about long-term consequences, other practical aspects of filament rejuvenation, the authors on the basis of many years of research and experience has specified evaluation criteria and suggested own classification of cosmetic filaments used in the method of filament rejuvenation of face and neck. Installation of filaments with different cosmetic features allows to reaching three different anti-aging effects: lifting, reinforcing and bio-stimulation. The degree of manifestation of these effects depends on the installation method of the thread, but first of all - on the design of conductive filament and needle or cannula. Based on the above data, the authors propose to divide all known cosmetic filaments on the basis of their purpose, proceeding from the achieved effect for three species - lifting, reinforcing and bio-stimulating. The new classification can be used in practice to optimize the selection of filaments for rejuvenation of face and neck and to reduce unintended side effects. The proposed classification of filaments has the purpose of definition of a fundamental criterion for their beauty opportunities. The practical application of this classification contributes to ensure adequate choice of filaments to perform the procedure, reduce side effects and create realistic expectations of doctors and patients from the procedures of the rejuvenation of face and neck.
Currently, cosmetic market presents a wide variety of threads for skin rejuvenation. A special place among them is occupied by biostimulation threads, providing aesthetic effect is not due to the mechanical movement of soft tissues and their fixation, and by improving skin state. The set of threads in the soft tissue causes three different anti-aging effects: lifting, reinforcing and biostimulation. Data from clinical practice show that each specific sample of threads is characterized by a vivid manifestation of any one of the effects and moderates manifestation of the other two. The prevailing aesthetic effect can be used as an integral indicator, because other private characteristic and properties of threads depend on it. On the basis of this for clinical practice the authors use the classification with the division of all cosmetic threads into three types: lifting, reinforcing and biostimulating. Biostimulating threads occupy a special position, because they provide aesthetic effect, which isn’t based on mechanical movement and retention of the soft tissues, but to stimulate the natural rejuvenation processes. Standard set consists of a hollow flexible needle guide (25-31 G, 2.5 to 12 cm) and freely posted in her thread, the tail section which, coming out of the cut needle, fixed with a piece of foam or foam rubber. The article proposes ways of application of biostimulating threads depending on the age of the patients, schema of installation of the mesothreads from polydioxanone, discusses the possibility of their use in complex methods. Comparing Russian and Asian schools on mesothreads use, the authors suggest that the process of opti-mization of the considered methods of skin rejuvenation is far from its completion.
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