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Hip Pelvis. 2013 Mar;25(1):37-43. Korean. Original Article.
Park SE , Kim YY , Jeong JJ , Choi SG , Jeong DS , Kim WY .
Department of Orthopaedic Surgery, College of Medicine, The Catholic University of Korea, Daejeon, Korea.

PURPOSE: In cases of patients who underwent bipolar hemiarthroplasty (BPHA) for treatment of a pertrochanteric fracture, we compared and analyzed the amount of blood loss and complications between a group using the cemented stem and a group using the cementless stem. MATERIALS AND METHODS: A total of 104 patients who underwent BPHA for treatment of a pertrochanteric fracture in our hospital for three years and 10 months (From January 2008 to October 2011) were included in this study. Among the 104 patients, 64 patients with a cemented stem were categorized into group 1, and the other 40 patients with an uncemented stem were categorized into group 2. Before surgery, the type of stem was determined by the bone quality of the proximal femur, which had been evaluated with a simple X-ray. Then, after surgery, the amount of blood loss and complications were compared between the two groups. RESULTS: Expected blood loss during the operation was 389.8 cc in group 1, and 395.3 cc in group 2(P=0.88). Postoperatively, average drained blood loss was 219.6 cc in group 1, and 338.1 cc in group 2. Cemented stem was associated with significantly less blood loss (P=0.004). The average operation time in group 1 and in group 2 was 96 minutes and 72 minutes. There was no significant difference in operating time (P=0.85). In addition, there was no difference in INR (International Normalized Ratio) and BMI (Body Mass Index) (P=0.28 and 0.08) regarding total amount of postoperatively drained blood loss. There was no occurrence of hypotensive shock or fatal pulmonary embolism in either group. Three cases of periprosthetic fracture occurred in group 2. CONCLUSION: Fewer occurrences of postoperative blood loss and fewer complications were observed in the cemented stem group than in the cementless stem group. Preoperative evaluation of bone quality and use of the cement stem for patients with poor bone quality may be a good treatment method that can help to reduce complications.

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