Botulinum toxin in fracture management: a scoping review
Abstract
PURPOSE: Using botulinum toxin (BoNT) as an adjunct in fracture management is a novel approach with the potential to improve clinical outcomes, particularly in atypical fractures and patients with concurrent neuromuscular disorders. This scoping review explores the literature on BoNT's effectiveness in facilitating fracture healing and immobilisation across various fracture types.
METHODS: The PubMed, Embase, and Cochrane databases were searched with defined operators. Two investigators conducted independent searches, which were combined. Animal studies, case reports, case series, cohort reviews and randomised control trials were included.
RESULTS: Fifty studies were identified for screening, from which 15 studies were included in the review. The findings highlight mixed outcomes in BoNT's role in enhancing bone healing and reducing muscle-induced displacement. While BoNT injections demonstrated potential benefits in specific cases, such as atypical fractures, periprosthetic fractures and fractures in patients with motor dysfunctions, results from animal studies were inconsistent, showing varied effects on callous formation and bone mineral density.
CONCLUSION: Clinical applications of BoNT in fracture management indicate its utility as an immobilisation agent to promote fracture healing and reduce complications. However, this review highlights that further research is necessary to bridge the gap between experimental and clinical studies and to clarify BoNT's effectiveness…
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