Cemented versus uncemented hemiarthroplasty for displaced femoral neck fractures: a prospective randomized trial with early follow-up

Joseph P Deangelis, Arben Ademi, Ilene Staff, Courtland G Lewis
Journal of Orthopaedic Trauma 2012, 26 (3): 135-40

OBJECTIVE: To prospectively compare the functional outcome associated with cemented and uncemented hemiarthroplasty.

DESIGN: Prospective randomized control trial.

SETTING: University-affiliated level 1 trauma center.

PATIENTS/PARTICIPANTS: All individuals designated for hemiarthroplasty, older than 55 years, with a nonpathologic displaced femoral neck fracture and the ability to ambulate 10 feet independently before injury [269 patients (274 hips) presented with displaced femoral neck fracture, 130 patients (48.3%) enrolled, and 5 patients (3.8%) withdrew].

INTERVENTION: Hip hemiarthroplasty with a cemented femoral prosthesis (VerSys LD/Fx; Zimmer, Warsaw, IN) or an uncemented component (VerSys Beaded FullCoat; Zimmer, Warsaw, IN).

MAIN OUTCOME MEASURES: Instrumental Activities of Daily Living and Physical Activities of Daily Living scales (Older Americans Resources and Services Instrument) and the Energy/Fatigue Scale.

RESULTS: No statistically significant differences were present in the groups' preoperative or intraoperative characteristics, including American Society of Anesthesiologists grade, operative time, anesthesia time, use of perioperative β-blockers, estimated blood loss, or the rate of intraoperative fracture. Postoperatively, no difference was found in hemoglobin level, transfusion rate, discharge disposition, or acute complication rate. At 30-day, 60-day, and 1-year follow-ups, no clinically or statistically significant differences were found in mortality, disposition, need for assistance with ambulation, Older Americans Resources and Services Activities of Daily Living subscales, or the Energy/Fatigue Scale.

CONCLUSIONS: In the treatment of nonpathologic displaced femoral neck fractures, the use of cemented and uncemented femoral components is associated with similar functional outcome at 1 year. Practitioners may inform their clinical decisions using these equally good results.

LEVEL OF EVIDENCE: Therapeutic Level II. See page 128 for a complete description of levels of evidence.

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