Aseptic necrosis

Avascular necrosis; Osteonecrosis; Ischemic bone necrosis; AVN

Many cases of aseptic necrosis are idiopathic, so prevention may not be possible. However, in some cases, you can reduce your risk.

• Avoid excessive drinking of alcohol.
• When possible, avoid using high-doses of corticosteroids.
• When possible, avoid long-term use of corticosteroids.
• Dive safely to avoid decompression sickness.

Canale ST (ed). Campbell's Operative Orthopaedics. 10th ed. Philadelphia, Pa: Mosby; 2003.

Lackner H, Benesch M, Moser A, Smolle-Juttner F, Linhart W, Raith J, Urban C.  Aseptic osteonecrosis in children and adolescents treated for hemato-oncologic diseases: a 13-year longitudinal observational study. J Pediatr Hematol Oncol. 2005 May;27(5):259-63.

Powars DR, Chan LS, Hiti A, Ramicone E, Johnson C. Outcome of Sickle Cell Anemia: A 4-Decade Observational Study of 1056 Patients. Medicine (Baltimore). 2005 Nov;84(6):363-376.

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