Epidemiology of traumatic and nontraumatic osteonecrosis.

摘要: In reviewing the epidemiology of traumatic and nontraumatic osteonecrosis only common denominator appears to be that circulatory compromise. Causative mechanisms seem quite distinct. A number factors may predispose postfracture hip necrosis, i.e. type fracture, quality reduction union fracture. For postdislocation causative include dislocation as well timing nature reduction. osteonecrosis, an array consistently associated systemic disorders largely linked by frequent lipid elevations. Alcoholism corticosteroid use account for bulk cases there is consistent predisposition males bilateral involvement. Multifocal lesions attest basis this form necrosis.