Abstract
BackgroundThe aim of this study was to compare clinical and radiological outcomes between a short femoral cementless stem and a conventional femoral cementless stem in total hip arthroplasty in patients 70 years and older.MethodsFrom December 2011 and July 2013, we retrospectively reviewed 50 patients (55 hips) 70 years and older treated with a short femoral cementless stem and 53 patients (58 hips) 70 years and older treated with a conventional femoral cementless stem. Their mean age was 74 ± 13.2 years and 75 ± 10.4 years, respectively. The mean follow-up was 40 ± 3.6 months and 42 ± 5.2 month, respectively. They were pre- and postoperatively evaluated by the clinical and radiological examination.ResultsThere was no difference in terms of average operative time, average estimated blood loss, and average hemoglobin at discharge between the short stem and the conventional stem. No patients with the short stem had intra-operative fracture, but five patients with the conventional stem had intra-operative fracture. At final follow-up, there was no statistically significant difference in Harris Hip Score, and radiographic review level between two stems. No hip with the short stem had thigh pain, but six hips with the conventional stem had thigh pain at the final follow-up. No component was revised for aseptic loosening in either group.ConclusionsOur study demonstrated that both short cementless stem and conventional cementless stem provided stable fixation and achieved a satisfactory result in patients 70 years and older and the short cementless stem had a low incidence of thigh pain and intra-operative fracture.
Highlights
The aim of this study was to compare clinical and radiological outcomes between a short femoral cementless stem and a conventional femoral cementless stem in total hip arthroplasty in patients 70 years and older
The mean follow-up was 40 ± 3.6 months and 42 ± 5.2 months, respectively. Preoperative characteristics of both groups were similar in number of hips, sex, mean age, mean body mass index (BMI), Dorr classification, and disease classification (Table 1)
Most orthopedic surgeons may select conventional cementless stem for elderly patients, and they are not sure whether stable fixation can be obtained with the use of the short cementless stem in elderly patients
Summary
The aim of this study was to compare clinical and radiological outcomes between a short femoral cementless stem and a conventional femoral cementless stem in total hip arthroplasty in patients 70 years and older. Total hip arthroplasty (THA) is one of the most commonly performed and successful operations in orthopedic surgery. The primary goal of THA is to improve quality of life by the relief of pain. Though the efficacy of conventional femoral cementless stems has been proved to improved pain and function and overall survivorship ranging from 94 to 100 % at up to 20 years’. Yu et al Journal of Orthopaedic Surgery and Research (2016) 11:33 compared a short cementless stem to a conventional cementless stem in THA in patients 70 years and older in terms of the clinical and radiological outcomes
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