Abstract
The complication of total hip replacement surgery (K. Y. M. rotation type) were found in 7 out of 44 operated hips.
2 cases of them were loosening of the cup which were found 1 year after and 4 years after surgery. Breakage of the C. O. P. femur stem was occured in one case at 1.5 years after operation.
Wear of the neck of H. D. P. prosthesis, causing to ectopic ossification, was found in one case. Immediate postoperative dislocation of the prosthetic head were found in 3 cases. After reduction, they were fixed in plaster cast in 3 weeks. Thereafter, they were brought in succesful course.
