Application of Zweymller system in total hip arthroplasty with Crowe-Ⅲ and Crowe-Ⅳ developmental dysplasia hip / 中国组织工程研究

ABSTRACT

Thirteen cases of developmental dysplasia hip underwent total hip arthroplasty with cementless biocon cup and femoral stem at the Department of Orthopedics,Second Hospital Affiliated to Henan College of Traditional Chinese Medicine from January to 2004 to December 2006 were selected.They consisted of 5 male with 5 hips and 8 female with 8 hips with the average age of 51 years(range,28-62 years) and 9 cases of Crowe-Ⅲ and 4 cases of Crowe-Ⅳ.Before operation,the lower limbs were shortened from 3 to 6 cm.13 patients were followed up for 24 months(range,12-36 months),the lower limbs were lengthened from 2 to 6 cm,and both lower limbs basically recovered the balance.There were no complication appeared such as dislocation,femoral fracture,femoral nerve or sciatic nerve injury,as well as prosthetic loosening.The hip pain and dysfunction in all the patients were obvious relieved after operation.