Hyaluronic Acid Filler Injections Under the Metatarsal Heads Provide a Significant and Long-Lasting Improvement in Metatarsalgia From Wearing High-Heeled Shoes

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Abstract

BACKGROUND

Metatarsalgia is a common overuse injury that may be caused by wearing high-heeled shoes.

OBJECTIVE

To evaluate the decrease in metatarsalgia using a hyaluronic acid dermal filler.

METHODS

A 6-month, open study was conducted in 15 subjects with metatarsalgia because of regularly wearing high-heeled shoes. Hyaluronic acid (20 mg/mL) with lidocaine hydrochloride (3 mg/mL) was injected under the metatarsal heads at baseline. Pain (on a 0–10 scale) under the metatarsal heads when walking in high heels was recorded in a weekly subject diary.

RESULTS

At 6 months after injections, 5 subjects (33.3%) reported no metatarsalgia pain. For subjects with pain, they were able to wear high heels for significantly longer than before the injections (7.2 hours at 6 months vs 3.4 hours at baseline). Significant improvements from baseline were observed at Month 6 for time to onset of pain (3.5 hours longer), time between onset of pain and intolerable pain (1.9 hours longer), and pain sensation (−2.2 grades at onset and −3.8 grades at shoe removal). No adverse events were reported.

CONCLUSION

Injection of hyaluronic acid filler to the forefeet provided a significant effective, long-lasting, and well-tolerated improvement in metatarsalgia because of wearing high-heeled shoes.

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