• F Schiedel, H Rieger, U Joosten, and R Meffert.
• Klinik und Poliklinik für Unfall-, Hand- und Wiederherstellungschirurgie, Universitätsklinikum Münster, Waldeyerstrasse 1, 48149 Münster. schiedf@uni-muenster.de
• Unfallchirurg. 2006 Jul 1; 109 (7): 538544538-44.

BackgroundTraumatic hip dislocation combined with fracture of the femoral head is a rare condition for which little known in terms of long-term prognosis. The aim of the retrospective study presented here was to evaluate the clinical and radiological outcome of this specific injury.Patients And MethodsIn a 23 year period, 18 patients (17 male) with an average age of 25.6 (range 15-55 years) were treated. There were four type-I, three type-II, no type-III, and 11 type-IV fractures according to the Pipkin classification (1957).ResultsThe average time to sufficient reduction was 136 min (60-420 min), two by open means. A total of 16 patients were operated for open reduction and internal fragment fixation, 13 through a dorsal approach. All patients filled out a standardized questionnaire, and clinical and radiological examinations were also carried out on average 12.6 years (range 59-247 months) after injury. Four scoring systems were used to classify the outcome: Thompson and Epstein (1951): very good = 1, good = 10, fair = 4, poor = 3; Merle D'Aubigne (1954): very good = 9, good = 5, fair = 0, poor = 4; Harris (1969): Pipkin I = 81 points, Pipkin II = 97 points, Pipkin IV = 73 points (mean); Brooker (1973): grade I = 5, grade II = 1, grade IV = 2.ConclusionQuality of life was not reduced in most patients in the long term, however three of four patients suffering Pipkin type-IV fractures developed functional restrictions with poor results. We conclude that acute reduction of the dislocated joint and anatomical reconstruction of the femoral head instead of primary hip replacement may end in good to excellent results in type-I and type-II fractures. Due to the young age of these patients, joint reconstruction should always be the first choice even in type-IV fractures with a higher probability of poor prognosis.

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