Randomized controlled study comparing clinical outcomes after injection botulinum toxin type A versus corticosteroids in chronic plantar fasciitis
DOI:
https://doi.org/10.18203/issn.2455-4510.IntJResOrthop20182744Keywords:
Botulinum toxin, Outcome, Plantar fasciitis, PainAbstract
Background: The plantar fascia is a common condition, for which there is no consensus on the best treatment option. The aim of this study is to compare the pain and fascia thickness outcomes of patients treated with botulinum toxin A injection versus corticosteroids injection.
Methods: 50 patients of plantar fasciitis randomly received injections of either botulinum toxin A (100 units in 2.5 ml normal saline) or methylprednisolone (2 ml of 40 mg/ml) under ultrasonographic guidance. Patients were assessed for pain using the visual analogue scale (VAS) and fascia thickness at baseline, 1 and 3 week, 3, 6 and 12 months post injection. Patients in the two treatment groups were compared for pain scores and thickness at each follow up.
Results: There were no significant differences in the patients in both the groups at baseline. Patients in both the groups had significant improvement in VAS pain scores over a 12 months follow- up. At the end of the study (12 month follow up), the VAS pain score was significantly lower in the group of patients who received botulinum toxin A (1.68±0.62 vs. 4.72±1.02, p value=0.001). There was a significantly less plantar fascia thickness in the group of patients who received botulinum toxin as compared to those who received corticosteroids at the 3 week, 3 month, 6 month and 1 year follow up.
Conclusions: Better clinical outcomes were observed with botulinum toxin type A as compared to corticosteroids. Similar studies need to be replicated with larger sample sizes before this can be offered as a standard treatment for plantar fasciitis patients.
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