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Can avascular necrosis be prevented?

Many cases of avascular necrosis cannot be prevented, as often the cause is unknown, but there are some recommendations to lower the risk: if at all possible, avoid high doses or long-term use of corticosteroids; avoid excessive alcohol consumption, and; for scuba divers, take extra care not to get decompression sickness ('the bends').

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About this article

Author: Dr Idan Ben-Barak PhD, MSc, BSc (Med)
First answered: 10 Jul 2015
Last reviewed: 19 May 2018
Rating: 4.2 out of 5
Votes: 1040 (Click smiley face below to rate)
Category: Perthes disease


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