Essay On Cementless Hemiarthroplasty

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Additional study of 60,848 patients, authors compared cemented and cementless hemiarthroplasty (Jameson et al., 2013). In their study which had very large sample of patients, majority of the patient were between 80 to 90 years of age and 76-78% patients were females Similar results were shown in a prospective randomized trial between cemented and cementless hemiarthroplasty (Figved et al., 2009). The average age of patient group was 83 years and 74-78% patients in this study were females. Review of Swedish arthroplasty register between 2005 to 2009, which included 21,346 patients with intra-capsular fracture neck of femur, has shown similar data (Leonardsson et al., 2012). Their patient group included 72% females and mean age of their…show more content…
We didn’t include ASA I or ASA IV patients who didn’t have cemented hemiarthroplasty. This may be the cause for higher percentage representation of ASA grade III patients in our study. When we compare our two groups (A & B), our patient groups were similar with no statistical difference in their age, sex or ASA grades. They also had similar representation of their demographics compare to the published results. In addition, all of our patients received cemented hemiarthroplasty through anterolateral approach which is considered to be the safest approach with minimal risk of dislocation (Varley and Parker, 2004). All of our patient had similar post-operative rehabilitation protocol. Therefore, any difference in complications including dislocation may be attributed to the difference in the implants used between two groups. We included patients with six months follow up following primary surgery. Most of non-traumatic dislocations of hemiarthroplasty occur in first six months following surgery. In literature mean time to dislocation following primary operation was between 19.2 days to 5.5 months (Noon et al., 2005; Sierra et al., 2006). However further studies have shown that most of the dislocations occur within first six weeks after hemiarthroplasty surgery (Enocson et al., 2008; Ninh et al., 2009) Similar results were shown (47) in a review of 1000 hip hemiarthroplasty patients (Blewitt and Mortimore, 1992).
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