Alcoholic femoral head necrosis

Alcoholic femoral head necrosis is femoral head necrosis caused by heavy drinking; simply put, it results from abnormal lipid metabolism. Clinical studies show long-term heavy drinkers have markedly elevated blood lipids, reducing hepatic lipid clearance and causing fatty liver. Early symptoms are not typical; hip pain is the commonest symptom.

Causes

Alcohol is metabolized mainly in the liver, producing acetaldehyde and lipid peroxidation, which severely damages cell membranes and causes local ischemia; the direct cytotoxicity of alcohol and its metabolites further damages ischemic osteocytes, causing irreversible degeneration and necrosis. Heavy drinking raises prostaglandins, causing local vasculitis; with diseased microvessels in the femoral head, local thrombosis blocks vessels, and ischemia damages osteocytes, causing necrosis. Drinking causes vitamin D metabolism disturbance, hypoparathyroidism, reduced osteocyte metabolism and osteogenic ability, leading to osteoporosis, reduced load-bearing area and high-stress osteogenic reaction, osteocyte destruction, subchondral microfracture, elevated intraosseous pressure and bleeding, causing necrosis. Alcohol metabolism causes hepatic fat accumulation and fatty liver; impaired liver function lets fat emboli enter the blood and lodge in the subchondral vascular bed, causing chondral ischemia and necrosis. Although many theories exist, femoral head ischemia is the basic pathology: once the head is ischemic, normal osteocyte metabolism and function are impaired, causing necrosis.

Treatment

Supportive treatment, rehabilitation therapy

Prevention

Daily prevention: avoid chili, excess alcohol and hormonal drugs; increase calcium intake, eat fresh vegetables and fruit, get sunlight, avoid heavy loading and stay active; all help prevent femoral head necrosis.

Recommended Department

It is recommended to visit the orthopedic surgery department; before the visit you may first book an appointment and connect with experts through this platform.

Warm reminder: The above information is provided for health education reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek care at a regular hospital in time.