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Microdialysis monitoring of a craniofacial microvascular free flap reconstruction detected critical brain swelling

Abstract Microdialysis is one of several methods described for monitoring the anastomosis and blood flow to the donor tissue in microvascular-free tissue transfer for craniofacial reconstructive surgery. A case is presented where a microdialysis free flap monitoring system detected metabolic aberrations within the free flap secondary to a rise in intracranial pressure, which the intracranial pressure monitor had failed to detect.