Prevention of avascular necrosis in displaced talar neck fractures by hyperbaric oxygenation therapy

Prevention of avascular necrosis in displaced talar neck fractures by hyperbaric oxygenation therapy: a dual case report


Mei-Dan O et al. (2008)

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Keywords: Avascular necrosis, hyperbaric oxygen therapy, talar fracture


Talar neck fractures are a rare injury that account for less then 2% of all foot fractures. Displaced fractures are associated with an exceedingly high rate of avascular necrosis (AVN). The incidence of AVN following Hawkins Type 3 fractures of the talar neck may approach 100%, particularly if diagnosis and reduction are delayed. Severe cases may present as pain and disability of the ankle and the subtalar joints due to a talar dome collapse, resulting in degenerative changes that usually require hind foot arthrodesis. We present two cases of traumatic displaced talar neck fractures which were treated surgically more than 2 weeks following injury due to a delay in diagnosis. Both patients underwent hyperbaric oxygen therapy (HBOT) after the operation and neither resulted in AVN of the talus in a three-year follow-up.

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