Fifteen cases,27 hips,of idiopathic necrosis of the femoral head (INFH) were included iour series.The role of radiography,isotopic bone scanning,intraosseous pressure measure-ment and intraosseous venography in the di...Fifteen cases,27 hips,of idiopathic necrosis of the femoral head (INFH) were included iour series.The role of radiography,isotopic bone scanning,intraosseous pressure measure-ment and intraosseous venography in the diagnosis of INFH were evaluated.Radiologicalexamination could not reveal early cases,while isotopic bone scanning was more sensitive.There was an increase of intraosseous pressure in most of the diseased hips.and intraos-seous venography showed abnormalities in all examined hips.The latter two tests couldtherefore detect early INFH.Core decompression was performed in 23 hips,21 of whichwere followed for 7 to 27 months.Functional evaluation was good or excellent in 18 hips.Radiological re-examination remained unchanged in 19 hips.Postoperative intraosseouspressure measurement and intraosseous venography revealed a decrease of intraosseous pres-sure and improvement of venous drainage.Core decompression is therefore an ideal methodof treatment for early INFH.展开更多
文摘Fifteen cases,27 hips,of idiopathic necrosis of the femoral head (INFH) were included iour series.The role of radiography,isotopic bone scanning,intraosseous pressure measure-ment and intraosseous venography in the diagnosis of INFH were evaluated.Radiologicalexamination could not reveal early cases,while isotopic bone scanning was more sensitive.There was an increase of intraosseous pressure in most of the diseased hips.and intraos-seous venography showed abnormalities in all examined hips.The latter two tests couldtherefore detect early INFH.Core decompression was performed in 23 hips,21 of whichwere followed for 7 to 27 months.Functional evaluation was good or excellent in 18 hips.Radiological re-examination remained unchanged in 19 hips.Postoperative intraosseouspressure measurement and intraosseous venography revealed a decrease of intraosseous pres-sure and improvement of venous drainage.Core decompression is therefore an ideal methodof treatment for early INFH.