What is the difference of the incidence in clinical Frey syndrome in studies comparing classical parotidectomy with parotidectomy with superficial musculoaponeurotic system (SMAS) flap elevation and suturing?
Background: Although treatment of established Frey syndrome with botulinum toxin is effective and well accepted, prevention seems a better alternative. Prevention techniques have all involved some form of barrier between the parotidectomy bed and the skin, but there is a lack of conclusive evidence for the role of superficial musculoaponeurotic system SMAS flaps.
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July 2016Study design: Meta-analysis of 11 controlled studies comprising 550 patients with and without SMAS flap.
Setting: PubMed and Embase databases.
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