After aseptic loosening, dislocation of hip prosthesis is the most frequent complication in patients with hip arthroplasty, with annual cost of treatment from 70 to 100 million dollar (American estimation) In the periods between January 2000 and December 2005, 359 hip arthroplasty surgeries were done in orthopedic clinic of Torretti Hospital of Ancona – Italy as following: 279 cases of primary hip arthroplasty and 80 cases of revision hip prosthesis with rate of dislocation: Total number of cases are 24 from 359 (6.6%) cases as following: 15 cases (5,3%) after primary hip arthroplasty and with rate of dislocation 9 cases (11,2%) after revision hip arthroplasty, all the dislocated case are followed retrospectively as following: We analyzed our data according to the followings Primary pathologies in the dislocated hip cases Models of prosthesis that have been implanted (ABG II, Doufit SAMO, Ancafit Cremascoli) Causes of dislocation and time of dislocation regarding the date of operation Types of treatment used in dislocated casesIntroduction
Materials and methods
