Whats the cause of osteonecrosis?
Most instances of osteonecrosis occur after the joint has suffered a trauma or injury. A fracture or dislocation of the joint can actually block the supply of blood to the bone, which in turn causes the onset of osteonecrosis. Studies have determined that approximately 20 per cent of those who suffer from a hip injury will develop osteonecrosis, though keep in mind that these are generally significant traumas. A bump or a bruise is not likely to lead to an onset of osteonecrosis. The most significant early sign of osteonecrosis is pain. Patients commonly note an aching feeling and generalized pain in the area of the affected joint. It may start out as a mild pain, primarily related to physical activity that places pressure on the bones, such as walking or lifting. It’s often difficult for sufferers to pinpoint the precise location of the pain. In other words, they have trouble describing exactly where the pain originates. For example, individuals often report feeling pain in their groi