Objectives: Aging brings unsightly changes in the female genitalia, closely associated with the gradual loss of collagen and the reduction of fat pad that fills the region, making labia majora ( LM ) shriveled, looser and pendulous, a fact that bothers many women.
Filling the LM with hyaluronic acid (HA) has been shown to be a safe and effective alternative for the treatment of laxity, with a high rate of patient satisfaction.
Our objective is to propose a systematization that helps doctors to plan and execute the procedure with anatomical, aesthetic and functional criteria.
Introduction: In addition to aging, fat loss from the LM occurs due to large weight losses, in high-performance athletes with very low percentages of body fat or in sports practitioners with a lot of impact in the region, such as equestrian and cycling.
Filling the LM with HA can be desired even by young women whose labia minora protrude not because they are big, but because the LM are not big or close enough to contain them.
So, before injecting the fíler, it is important to analyze the anatomy and what you want to achieve with the procedure, whether volumization, lifting or closing the vulva.
Materials / method: After an intense anatomical study of the vulva and numerous LM fillings, we concluded that our challenge is precisely understanding whose therapeutic target we want to achieve, that could be divided into 3 goals:
1- volumization itself, for withered LM, not extensively pendulous
2- closing the vulva for LM away from the midline that allow the exposure of the labia minora
3- lifting for LM withered and drooping lips, cases in which threads and biostimulators should be considered
We propose 4 anatomic vectors for injection of HA, that we named Vulvar Anatomy VA1, VA2, VA3 e VA4.
Results: We systematized the fillers injection of LM according to the vectors:
- VA1: medial border of LM
- VA2: 1cm lateral to V1, 1cm shorter than V1
- VA3: 2cm lateral to V1, 2cm shorter than V1
- VA4: transition between the labium and the pubic mound
Fillers in VA1 promotes closure of the vulva, with better accommodation of the labia minora. In VA2 and VA3 promote volumization in loose LM, but should be performed with caution if they are pendolous. In the VA4 fillers promotes lifting but requires caution if there is suprapubic fat accumulation.
Conclusion: Following the proposed systematization, we have obtained excellent results with a high degree of patient satisfaction.
In most cases, the injection of VA1 precedes the VA2 and VA3, to prevent the lateral volumization from exposing the labia minora.
In general, I use products with greater definition power such as Restylane Defyne for VA1 and VA4, while for VA2 and VA3 I prefer volumizing products such as Restylane Volyme. I usually use a maximum of 2ml of HA per LM per session.
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