Treatment of avascular necrosis of femoral head with vascular pedicle iliac crest grafting

20 patiens avascular necrosis of femoral hip had been treated with vascular pedicle iliac crest grafting same side from 11/2002 - 1/2004. Follow up, longest is 52 weeks, the earliest is 12 weeks. Average age was 38,5. Presumed risk factors were excessive use of alcohol (14/20), the use of corticosteroid prolong (3/20), no specific (3/20). 18 good result patients, 2 not good result patients (both in Ficat IV before operation). None infection, inguinal hernia and limit range of motion of hip. One patient had weak quadriceps (the complete recover after 6 weeks). 10 loss sensation lateral thigh (back normal after average 2 weeks). 2 loss sensation in thigh (back normal after average 2 weeks)