The pain in the hip and groin increases gradually with femoral head necrosis. © freeograph, Adobe
Femoral head necrosis refers to the death of living bone tissue in the hip joint. Due to reduced blood flow, the hip bone demineralises and loses its stability. Those affected feel pain in the groin during exertion, mainly when the leg is rotated inwards. In later stages, the pain occurs at rest as well.
Femoral head necrosis in adults appears to be a typical disease of civilisation. Similar to cardiac infarction, hip infarction is also caused by risk factors such as smoking, high blood lipid levels and excessive alcohol consumption. Another risk factor that has become increasingly important in recent years is treatment with cortisone, especially when administered intravenously.
Femoral head necrosis occurs primarily in patients between 35 and 45 years of age. Men are more frequently affected than women. Death of the femoral head extremely reduces the quality of life of those affected. Femoral head necrosis is bilateral in 30-70% of cases. If treatment is not administered at an early stage, irreparable damage to the hip joint can occur, leading to accelerated hip osteoarthritis, even though the cartilage itself is not directly affected by the circulatory disorder.