title: [Dislocation after total hip arthroplasty].
abstract: From 1997 to 2002 in the Department of Traumatology there had been performed 488 total hip replacements: 334 in men and 454 in women at the age between 20 and 84 (average 63.6). The procedures were performed by 12 surgeons and postero-lateral approach was used. Dislocation was found in 22 patients (4.51%): 14 women and 8 men. Majority of dislocation occurred during first 8 weeks after an operation and 68% of them happened during first 6 weeks. The surgical treatment was necessary in 10 cases (45% of all dislocation): 3 patients had only a surgical reposition and 7 patients had a revision arthroplasty. There was found that most cases of dislocation took place at the age above 81 years. Dislocation occurred 5 times more frequently in patients operated on for a femoral neck fractures then for coxarthrosis. The prosthesis TT1 most often dislocated possibly due to its shape (low Head Neck Ratio). Based on our own experience we find dislocation is a multifactorial complication and precise description of causes is usually very difficult.
authors.affiliation: Klinika Chirurgii Urazowej Narzadu Ruchu, Centrum Medycznego Kształcenia Podyplomowego Samodzielny Publiczny Szpital Kliniczny im. A. Grucy w Otwocku.
authors.forename: Bartłomiej
authors.initials: B
authors.lastname: Kordasiewicz
authors.forename: Waldemar
authors.initials: W
authors.lastname: Rylski
authors.forename: Piotr
authors.initials: P
authors.lastname: Zakrzewski
authors.forename: Grzegorz
authors.initials: G
authors.lastname: Sawicki
authors.forename: Jan
authors.initials: J
authors.lastname: Orłowski
authors.forename: Stanisław
authors.initials: S
authors.lastname: Pomianowski
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D019644:Arthroplasty, Replacement, Hip / Q000009:adverse effects* / Q000706:statistics & numerical data; D005260:Female; D005500:Follow-Up Studies; D006617:Hip Dislocation / Q000453:epidemiology / Q000209:etiology* / Q000601:surgery; D006622:Hip Prosthesis / Q000009:adverse effects* / Q000592:standards / Q000706:statistics & numerical data; D006801:Humans; D008297:Male; D008875:Middle Aged; D011044:Poland / Q000453:epidemiology; D011475:Prosthesis Failure; D012086:Reoperation; D012189:Retrospective Studies; D013997:Time Factors