Abstract
Introduction
Registries in both the United Kingdom and Sweden suggest that the popularity of uncemented femoral components is increasing. As this trend progresses, long-term survival data for such components are becoming increasingly more important. We present the results of a cohort of patients treated with the Omnifit (Stryker, Mahwah, NJ) femoral component with the follow-up of 10–15 years.
Methods
A prospective study was performed in our unit between 1996 and 2001. Patients were reviewed pre-operatively and then at 6, 12, 26 and 52 weeks post-operatively and annually thereafter. They were assessed clinically and radiographically, and the Merle d’Aubigne Postel (MDP) hip score was calculated at each visit. A visual analogue scale (VAS) score and satisfaction score were also recorded to assess patient satisfaction with their procedure. Specific enquiry was made regarding anterior thigh pain. Statistical calculations were performed using the Student’s t test. Kaplan–Meier survival analysis was performed.
Results
One hundred and four patients (113 hips) were included (48 males, 56 females). Bilateral procedures were performed in nine patients. Mean age was 60.4 years (33–72 years). Mean follow-up was 12.9 years (10–15 years). Mean pre-operative MDP score was 8.8 (3–16) and VAS score 7.8 (1–10) with ten representing the most severe symptoms. At final follow-up, the average MDP and VAS scores were 16.9 (13–18) and 2.1 (0–6), respectively. High levels of satisfaction were reported by 96.1 % of patients. Two dislocations and two cases of anterior thigh pain occurred. Four patients required revision surgery. Survival of the femoral component with revision for any reason as the end point was 96 %.
Conclusion
This prosthesis provides symptom relief, return to function and high levels of patient satisfaction in the long term. Survival of this component is comparable to the best results for primary total hip arthroplasty with any means of fixation.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Epinette JA, Manley MT (2008) Uncemented stems in hip replacement–hydroxyapatite or plain porous: does it matter? Based on a prospective study of HA Omnifit stems at 15-years minimum follow-up. Hip Int 18(2):69–74
Manaster JF, Andrews CL, Conway WF, Fleckenstein JL, Kaplan PA, Yao L (1996) Musculoskeletal radiology. Radiology 198(2):618–621
Gruen TA, McNeice GM, Amstutz HC (1979) “Modes of failure” of cemented stem-type femoral components: a radiographic analysis of loosening. Clin Orthop Relat Res 141:17–27
McCullough CJ, Remedios D, Tytherleigh-Strong G, Hua J, Walker PS (2006) The use of hydroxyapatite-coated CAD-CAM femoral components in adolescents and young adults with inflammatory polyarthropathy: ten-year results. J Bone Joint Surg Br 88(7):860–864
Brooker AF, Bowerman JW, Robinson RA, Riley LH Jr (1973) Ectopic ossification following total hip replacement. Incidence and a method of classification. J Bone Joint Surg Am 55(8):1629–1632
Tonino AJ, van der Wal BC, Heyligers IC, Grimm B (2009) Bone remodeling and hydroxyapatite resorption in coated primary hip prostheses. Clin Orthop Relat Res 467(2):478–484 Epub 2008 Oct 15
Hsieh PH, Shih CH, Lee PC, Yang WE, Lee ZL (2000) Cementless total hip arthroplasty using the omnifit system: an 8.2 year follow-up study of 166 hips. J Orthop Surg 8(2):45–51
Hellman EJ, Capello WN, Feinberg JR (1999) Omnifit cementless total hip arthroplasty. A 10-year average followup. Clin Orthop Relat Res 364:164–174
Coathup MJ, Blackburn J, Goodship AE, Cunningham JL, Smith T, Blunn GW (2005) Role of hydroxyapatite coating in resisting wear particle migration and osteolysis around acetabular components. Biomaterials 26(19):4161–4169
Sandiford NA et al (2012): Primary total hip arthroplasty with a fully hydroxyapatite coated titanium femoral component: Results at a minimum follow-up of twenty years. Presented at the British Orthopaedic Association annual meeting
Yates PJ, Burston BJ, Whitley E, Bannister GC (2008) Collarless polished tapered stem: clinical and radiological results at a minimum of ten years’ follow-up. J Bone Joint Surg Br 90(1):16–22
Hook S, Moulder E, Yates PJ, Burston BJ, Whitley E, Bannister GC (2006) The Exeter Universal stem: a minimum ten-year review from an independent centre. J Bone Joint Surg Br. 88(12):1584–90. Avon Orthopaedic Centre, Southmead Hospital, Westbury-on-Trym, Bristol, UK. Erratum in: J Bone Joint Surg Br. 2007 March; 89(3):421
Capello WN, Capello WN, D’Antonio JA, Feinberg JR, Manley MT (2003) Ten-year results with hydroxyapatite-coated total hip femoral components in patients less than fifty years old. A concise follow-up of a previous report. J Bone Joint Surg Am 85-A(5):885–889
Conflict of interest
There are no conflicts of interest to declare.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Sandiford, N.A., Butler-Manuel, A., Apthorp, H.D. et al. Primary total hip arthroplasty with a proximally HA-coated titanium femoral component: results at 10–15-year follow-up. Eur J Orthop Surg Traumatol 24, 1211–1215 (2014). https://doi.org/10.1007/s00590-013-1405-9
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00590-013-1405-9