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  • Title: Current status of trochanteric reattachment in complex total hip arthroplasty.
    Author: Barrack RL, Butler RA.
    Journal: Clin Orthop Relat Res; 2005 Dec; 441():237-42. PubMed ID: 16331009.
    Abstract:
    UNLABELLED: A study was done to determine if cable fixation devices of more recent design were associated with a higher success rate and lower incidence of complications compared with early cable devices. Beginning in 1997 a cable plate device was used in an attempt to restore abductor function more consistently in complex total hip arthroplasties. Cobalt-chrome cables through holes in a trochanteric cable plate with two or more transversely oriented cables at or below the lesser trochanter were used in order to resist migration of the trochanteric fragment better. Other component features included instrumentation that allowed provisional fixation and measurement of the tension in the cables so that cables could be tightened and retightened sequentially to insure a minimum of 80 inch-pounds of tension in all cables before final crimping. Minimum 2-year followup was obtained in 42 patients who had complex arthroplasties (trochanteric nonunions and reattachment to structural grafts) in which such a device was used. Clinical and radiographic results were compared with a series of patients with similar indications in whom wire or and earlier-generation trochanteric cable fixation devices were used. The cable plate of a more recent design was associated with a possible trend for a lower incidence of limp, use of assistive walking devices, dislocation, and abductor weakness and significant decrease in the incidence of breakage and trochanteric nonunion. LEVEL OF EVIDENCE: Therapeutic study, Level III-1 (retrospective comparative study). See the Guidelines for Authors for a complete description of levels of evidence.
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