Treatment of a traumatic atrophic depressed scar with hyaluronic acid fillers: a case report
Received 17 January 2017
Accepted for publication 10 April 2017
Published 3 August 2017 Volume 2017:10 Pages 285—287
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 2
Editor who approved publication: Dr Jeffrey Weinberg
Syed Nazim Hussain,1 Greg J Goodman,2,3 Eqram Rahman4
1Royal Lush Skin Hair & Laser Clinic, Saket, New Delhi, India; 2Department of Primary Care, Monash University, Clayton, 3Skin and Cancer Foundation Inc, Carlton, VIC, Australia; 4Faculty of Medical Science, Postgraduate Medical Institute, Anglia Ruskin University, Chelmsford, UK
Background: Hyaluronic acid filler has been documented in the treatment of atrophic depressed acne scars relatively frequently in the literature but rarely in chronic depressed traumatic atrophic facial scars.
Methods: This case report discusses the use of hyaluronic acid fillers in the correction of a post-traumatic facial atrophic scar on the right cheek.
Results: The right cheek scar was substantially corrected with one session of two different hyaluronic acids injected in a deep and superficial plane.
Conclusion: Relatively accurate, simple and effective correction of this atrophic traumatic scar may suggest that fillers are a suitable alternative to surgery for such scars.
Keywords: scarring, scar correction, filler, hyaluronic acid, facial scar
Treating atrophic depressed scars with hyaluronic acid biodegradable dermal fillers has been shown to yield satisfactory results with high patient satisfaction and minimum risks but the literature predominantly confines the nonesthetic utilization of hyaluronic acid fillers to depressed acne scars.1–3 There have been a few cases reported in the literature where steroid-induced atrophic scars have been successfully treated with hyaluronic acid fillers;4,5 however, there is only a single case reported, where a depressed non-acne scar on patient’s forearm was successfully treated with hyaluronic acid filler.6
We present here an additional case of a chronic post-traumatic scar treated purely with hyaluronic acid without the use of subcision or other surgical procedure.
A 42-year-old female presented with a traumatic depressed scar of ~8×1 cm over the right cheek, extending from the lower eyelid to the nasolabial fold (Figure 1A). Historically, the scar originated 20 years prior to presentation as a result of a road traffic accident. This scar caused significant psychological distress to the patient and resulted in her seeking multiple consultations with plastic surgeons for surgical reconstruction. The patient was not keen on surgical scar revision and sought an alternative to this approach. After counseling and discussion about the likely outcome with dermal fillers, the patient decided to undertake correction with dermal fillers.
Figure 1 (A) Patient before scar correction with hyaluronic acid fillers. (B) Patient after 2 mL of hyaluronic acid filler.
Optimal correction was achieved by injecting a total of 2.0 mL hyaluronic acid filler with a flexible 24G blunt cannula. One milliliter of Juvederm Voluma XC (Allergan Inc Irvine Cal) was injected deeply into the scar tissue and 1.0 mL Juvederm Ultra XC (Allergan Inc, Irvine Cal) was injected more superficially into wrinkled atrophic scar tissue. Treatment proved safe and effective for the correction of the scar, as immediately after the procedure the correction achieved was visible and satisfactory (Figure 1B). The scar was filled up to the level of normal adjacent skin with no erythema, pain/or tenderness, lumps/bumps, swelling and bruises or bleeding. The face appeared more symmetrical while comparing with the left side (Figure 1B). A follow-up review conducted at 2 weeks and long-term clinically meaningful results were still apparent at 6 months following the procedure. There were no complications.
The patient has provided written informed consent to have the case details and any accompanying images published.
Atrophic scarring may be improved by many methods. These include re-excision of the scar, which was not favored in this case by the patient. Subcision is an elegant procedure for post-acne, post-disease and post-trauma scarring7 but usually requires more than one treatment8 and is relatively inaccurate relying on the individual patient’s wound-healing ability. Additions to this technique have been made such as suction techniques that may add to its efficacy.9 However, it remains a significant procedure for a patient with a scar as long as this case report. Fat transfer is also an alternative here10 but requires a procedure to extract and prepare the fat and although a very useful procedure may be variable in its results.11 Ablative and fractional energy-based devices may also be considered12 but given the volume deficit here it is unlikely that these would be efficacious in this case.
Fillers are accurate in their placement and are a relatively elegant approach to volume-related scarring but, oddly, have been seldom reported for this purpose.1,13 The versatility and accuracy would suggest that these agents are ideally situated to serve the purpose of adding volume to atrophic scarring of all types.
Hyaluronic acid, in particular, is well positioned to treat this condition. As well as its reversibility,14 accuracy of attainable correction and variable products with different lifting and spreading abilities, it is a relatively atraumatic and easily understandable procedure to the patient.
The end result, behavior and the clinical outcome of hyaluronic acid filler depend on parameters of the filler such as gel hardness (G′) that determines the stiffness of gel, the concentration of hyaluronic acid that establishes its stability and durability, particle size and degree of crosslinking.15
This case demonstrates the use of two types of crosslinked hyaluronic acid, taking advantage of the slightly different characteristics to allow an accurate two-layer correction of this difficult scar.
Specifically, the deep underpinning layer was placed with Juvederm Voluma XC, a biodegradable hyaluronic acid dermal filler. This is a mixture of low- and high-molecular weight hyaluronic acid at a concentration of 20 mg/mL containing 0.3% lidocaine. It has proven efficacy and longevity of 24 months.16 In this case, the 27-gauge needle supplied in the pack was not used but instead the hyaluronic acid positioned using a flexible blunt 24-gauge cannula.
Juvederm Ultra XC has an extended longevity of 12 months17 and may achieve longer durations with repeated injection18 and is more a filler when more superficial placement and support is required. This was used in a more superficial level here to maximize accuracy of correction of the scar with the 30-gauge needle incorporated in the Juvederm Ultra XC package.
Although major utilization of hyaluronic acid fillers has been in filling of lines, fighting the effects of aging, face sculpting and volumization,19–21 this case further strengthens the additional benefits of hyaluronic acid fillers in treatment of traumatic atrophic scars with no major short-term or late complications. Utilizing the different gel characteristics injected at different levels of skin, deep to superficial resulted in restoration of a natural facial shape with much improved esthetic results in this patient. Juvederm Voluma XC is recommended for deep subcutaneous injections and Juvederm Ultra XC for more superficial planes.16
Atrophic depressed facial scars can be effectively treated with hyaluronic acid fillers with esthetically satisfactory clinical outcome with a low risk or complications. This case reports that appropriate selection of hyaluronic acid fillers with varying characteristics is a feasible option for the treatment of traumatic atrophic depressed scars.
Greg Goodman has served as an investigator, advisory board member and consultant for Allergan Inc. The authors report no other conflicts of interest in this work.
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