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Original Articles

Early subsidence of shape-closed hip arthroplasty stems is associated with late revision

A systematic review and meta-analysis of 24 RSA studies and 56 survival studies

, , , , , , , & show all
Pages 575-585 | Received 30 Jul 2014, Accepted 02 Mar 2015, Published online: 01 Sep 2015

  • Adam F, Pape D, Johann S, Kohn D. Postoperative migration of cementless titanium hip-stems. Clinical study with Roentgen Stereometric Analysis (RSA). J Bone Joint Surg Br 2004; 86-B: 377-37e.
  • AJR. Australian Orthopaedic Association National Joint Replacement Registry Annual Report 2013: https://aoanjrr.dmac.adelaide.edu.au/nl/annual-reports-2013.
  • Aldinger P R, Breusch S J, Lukoschek M, Mau H, Ewerbeck V, Thomsen M. A ten- to 15-year follow-up of the cementless Spotorno stem. J Bone Joint Surg Br 2003a; 85 (2): 209-14.
  • Aldinger P R, Thomsen M, Mau H, Ewerbeck V, Breusch S J. Cementless Spotorno tapered titanium stems: excellent 10-15-year survival in 141 young patients. Acta Orthop Scand 2003b; 74 (3): 253-8.
  • Alfaro-Adrian J, Gill H S, Murray D W. Cement migration after THR. A comparison of Charnley Elite and Exeter femoral stems using RSA. J Bone Joint Surg Br 1999; 81 (1): 130-4.
  • Alfaro-Adrian J, Gill HS, Murray DW. Should total hip arthroplasty femoral components be designed to subside? A radiostereometric analysis study of the Charnley Elite and Exeter stems. J Arthroplasty 2001; 16 (5): 598-606.
  • Badhe N P, Quinnell R C, Howard P W. The uncemented Bi-Contact total hip arthroplasty. J Arthroplasty 2002; 17 (7): 896-901.
  • Badhe S, Livesley P. Early polyethylene wear and osteolysis with ABG acetabular cups (7- to 12-year follow-up). Int Orthop 2006; 30 (1): 31-4.
  • The Beyond Compliance Advisory Group. http://www.beyondcompliance.org.uk.
  • Bulstrode CJ, Murray DW, Carr AJ, Pynsent PB, Carter SR. Designer hips. BMJ 1993; 306 (6880): 732-3.
  • Canales C V, Panisello Sebastia J J, et al. Ten-year follow-up of an anatomical hydroxyapatite-coated total hip prosthesis. Int Orthop 2006; 30 (2): 84-90.
  • Capello W N, D’Antonio J A, Feinberg J R, Manley M T, Naughton M. Ceramic-on-ceramic total hip arthroplasty: update. J Arthroplasty 2008; 23 (7 Suppl): 39-43.
  • Castoldi F, Rossi R, La Russa M, Sibelli P, Rossi P, Ranawat A S. Ten-year survivorship of the Anatomique Benoist Girard I total hip arthroplasty. J Arthroplasty 2007; 22 (3): 363-8.
  • Chen F S, Di Cesare P E, Kale A A, et al. Results of cemented metal-backed acetabular components: a 10-year-average follow-up study. J Arthroplasty 1998; 13 (8): 867-73.
  • Chiu K H, Shen W Y, Tsui H F, Chan K M. Experience with primary Exeter total hip arthroplasty in patients with small femurs - Review at average follow-up period of 6 years. J Arthroplasty 1997; 12 (3): 267-72.
  • Chiu K H, Shen W Y, Cheung K W, Tsui H F. Primary Exeter total hip arthroplasty in patients with small femurs: a minimal of 10 years follow-up. J Arthroplasty 2005; 20 (3): 275-81.
  • de Kam D C, Klarenbeek R L, Gardeniers J W, Veth R P, Schreurs B W. The medium-term results of the cemented Exeter femoral component in patients under 40 years of age. J Bone Joint Surg Br 2008; 90 (11): 1417-21.
  • Derbyshire B, Porter ML. Re: the premature failure of the Charnley Elite-Plus stem: a confirmation of RSA predictions. J Bone Joint Surg Br 2006; 88 (12): 1676; author reply -7.
  • Derbyshire B, Porter M L. A study of the Elite Plus femoral component using radiostereometric analysis. J Bone Joint Surg Br 2007; 89 (6): 730-5.
  • Digas G, Thanner J, Anderberg C, Karrholm J. Fluoride-containing acrylic bone cement in total hip arthroplasty. Randomized evaluation of 97 stems using radiostereometry and dual-energy X-ray absorptiometry. J Arthroplasty 2005; 20 (6): 784-92.
  • Digas G, Karrholm J, Thanner J. Addition of fluoride to acrylic bone cement does not improve fixation of a total hip arthroplasty stem. Clin Orthop Relat Res 2006; 448: 58-66.
  • Eingartner C, Volkmann R, Winter E, et al. Results of an uncemented straight femoral shaft prosthesis after 9 years of follow-up. J Arthroplasty 2000; 15 (4): 440-7.
  • Eingartner C, Heigele T, Dieter J, Winter E, Weise K. Long-term results with the BiCONTACT system--aspects to investigate and to learn from. Int Orthop 2003; 27 Suppl 1: S11-5.
  • Epinette J A, Manley M T. 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 2008; 18 (2): 69-74.
  • Espehaug B, Havelin L I, Engesaeter L B, Vollset S E, Langeland N. Early revision among 12,179 hip prostheses - A comparison of 10 different brands reported to the Norwegian Arthroplasty Register, 1987-1993. Acta Orthop Scand 1995; 66 (6): 487-93.
  • Faro L M, Huiskes R. Quality assurance of joint replacement. Legal regulation and medical judgement. Acta Orthop Scand Suppl 1992; 250: 1-33.
  • Fiocco M, Putter H, van Houwelingen J C. Meta-analysis of pairs of survival curves under heterogeneity: a Poisson correlated gamma-frailty approach. Stat Med 2009a; 28 (30): 3782-97.
  • Fiocco M, Putter H, Van Houwelingen J C. A new serially correlated gamma-frailty process for longitudinal count data. Biostatistics 2009b; 10 (2): 245-57.
  • Fiocco M, Stijnen T, Putter H. Meta-analysis of time-to-event outcomes using a hazard-based approach: Comparison with other models, robustness and meta-regression. Computational Statistics and Data Analysis 2012; 56 (5): 1028-37.
  • Gallo J, Langova K, Havranek V, Cechova I. Poor survival of ABG I hip prosthesis in younger patients. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2008; 152 (1): 163-8.
  • Garellick G, Malchau H, Regner H, Herberts P. The Charnley versus the Spectron hip prosthesis: radiographic evaluation of a randomized, prospective study of 2 different hip implants. J Arthroplasty 1999; 14 (4): 414-25.
  • Garellick G, Malchau H, Herberts P. Survival of hip replacements. A comparison of a randomized trial and a registry. Clin Orthop Relat Res 2000; (375): 157-67.
  • Gill H S, Alfaro-Adrian J, Alfaro-Adrian C, McLardy-Smith P, Murray D W. The effect of anteversion on femoral component stability assessed by radiostereometric analysis. J Arthroplasty 2002; 17 (8): 997-1005.
  • Glyn-Jones S, Hicks J, Alfaro-Adrian J, Gill H S, McLardy-Smith P, Murray D W. The influence of cement viscosity on the early migration of a tapered polished femoral stem. Int Orthop 2003; 27 (6): 362-5.
  • Glyn-Jones S, Alfaro-Adrian J, Murray D W, Gill H S. The influence of surgical approach on cemented stem stability: an RSA study. Clin Orthop Relat Res 2006; 448: 87-91.
  • Grant P, Aamodt A, Falch J A, Nordsletten L. Differences in stability and bone remodeling between a customized uncemented hydroxyapatite coated and a standard cemented femoral stem A randomized study with use of radiostereometry and bone densitometry. J Orthop Res 2005; 23 (6): 1280-5.
  • Grewal R, Rimmer M, Freeman M. Early migration of prostheses related to long-term survivorship. Comparison of tibial components in knee replacement. J Bone Joint Surg Br 1992; 74 (2): 239-42.
  • Guther D, Pap G, Bamert P, Eggli S. [Long-term results with the cemetless CLS stem in hip replacement]. Z Orthop Ihre Grenzgeb 2003; 141 (3): 309-15.
  • Hallan G, Lie S A, Furnes O, Engesaeter L B, Vollset S E, Havelin L I. Medium- and long-term performance of 11,516 uncemented primary femoral stems from the Norwegian arthroplasty register. J Bone Joint Surg Br 2007; 89 (12): 1574-80.
  • Hauptfleisch J, Glyn-Jones S, Beard D J, Gill H S, Murray D W. The premature failure of the Charnley Elite-Plus stem: a confirmation of RSA predictions. J Bone Joint Surg Br 2006; 88 (2): 179-83.
  • Havelin L I, Engesaeter L B, Espehaug B, Furnes O, Lie S A, Vollset S E. The Norwegian Arthroplasty Register: 11 years and 73,000 arthroplasties. Acta Orthop Scand 2000; 71 (4): 337-53.
  • Herrera A, Canales V, Anderson J, Garcia-Araujo C, Murcia-Mazon A, Tonino A J. Seven to 10 years followup of an anatomic hip prosthesis: an international study. Clin Orthop Relat Res 2004; (423): 129-37.
  • Hook S, Moulder E, Yates P J, Burston B J, Whitley E, Bannister G C. The Exeter Universal stem: a minimum ten-year review from an independent centre. J Bone Joint Surg Br 2006; 88 (12): 1584-90.
  • Hozack W J, Rothman R H, Eng K, Mesa J. Primary cementless hip arthroplasty with a titanium plasma sprayed prosthesis. Clin Orthop Relat Res 1996; (333): 217-25.
  • Huiskes R, Verdonschot N, Nivbrant B. Migration, stem shape, and surface finish in cemented total hip arthroplasty. Clin Orthop Relat Res 1998; (355): 103-12.
  • ISO. Implants for surgery -Roentgen stereophotogrammetric analysis for the assessment of migration of orthopaedic implants (16087:2013): http://www.iso.org/iso/home/store/catalogue_tc/catalogue_detail.htm?csnumber=55662.
  • Issack P S, Botero H G, Hiebert R N, et al. Sixteen-year follow-up of the cemented spectron femoral stem for hip arthroplasty. J Arthroplasty 2003; 18 (7): 925-30.
  • Iwase T, Wingstrand I, Persson B M, Kesteris U, Hasegawa Y, Wingstrand H. The ScanHip total hip arthroplasty: radiographic assessment of 72 hips after 10 years. Acta Orthop Scand 2002; 73 (1): 54-9.
  • Jacobsson S A, Ivarsson I, Djerf K, Wahlstrom O. Stem loosening more common with ITH than Lubinus prosthesis - a 5-year clinical and radiographic follow-up of 142 patients. Acta Orthop Scand 1995; 66 (5): 425-31.
  • Johnsson R, Franzen H, Nilsson L T. Combined survivorship and multivariate analyses of revisions in 799 hip prostheses. A 10- to 20-year review of mechanical loosening. J Bone Joint Surg Br 1994; 76 (3): 439-43.
  • Kalairajah Y, Azurza K, Molloy S, Hulme C, Cronin M, Drabu K J. Is the Charnley evolution working? A five-year outcome study. Acta Orthop Belg 2004; 70 (4): 315-21.
  • Kale A A, Della Valle C J, Frankel V H, Stuchin S A, Zuckerman J D, Di Cesare P E. Hip arthroplasty with a collared straight cobalt-chrome femoral stem using second-generation cementing technique - A 10-year-average follow-up study. J Arthroplasty 2000; 15 (2): 187-93.
  • Karrholm J, Snorrason F. Subsidence, tip, and hump micromovements of noncoated ribbed femoral prostheses. Clin Orthop Relat Res 1993; (287): 50-60.
  • Karrholm J, Borssen B, Lowenhielm G, Snorrason F. Does early micromotion of femoral stem prostheses matter? 4-7-year stereoradiographic follow-up of 84 cemented prostheses. J Bone Joint Surg Br 1994; 76 (6): 912-7.
  • Kim Y H, Kim J S, Yoon S H. Long-term survivorship of the Charnley Elite Plus femoral component in young patients. J Bone Joint Surg Br 2007; 89 (4): 449-54.
  • Lee G Y, Srivastava A, D’Lima D D, Pulido P A, Colwell C WJr. Hydroxyapatite-coated femoral stem survivorship at 10 years. J Arthroplasty 2005; 20 (7 Suppl 3): 57-62.
  • Lewthwaite S C, Squires B, Gie G A, Timperley A J, Ling R S M. The Exeter (TM) Universal hip in patients 50 years or younger at 10-17 years’ followup. Clin Orthop Relat Res 2008; 466 (2): 324-31.
  • Liow R Y, Murray D W. Which primary total knee replacement? A review of currently available TKR in the United Kingdom. Ann R Coll Surg Engl 1997; 79 (5): 335-40.
  • Makela K, Eskelinen A, Pulkkinen P, Paavolainen P, Remes V. Cemented total hip replacement for primary osteoarthritis in patients aged 55 years or older: results of the 12 most common cemented implants followed for 25 years in the Finnish Arthroplasty Register. J Bone Joint Surg Br 2008; 90B (12): 1562-9.
  • Malchau H. On the importance of stepwise introduction of new hip implant technology: assessment of total hip replacement using clinical evaluation, radiostereometry, digitised radiography and a national hip registry. Ortopedisk kirurgi 1995.
  • Malchau H. Introducing new technology: a stepwise algorithm. Spine (Phila Pa 1976) 2000; 25 (3): 285.
  • Manley M T, Capello W N, D’Antonio J A, Edidin A A, Geesink R G T. Fixation of acetabular cups without cement in total hip arthroplasty - A comparison of three different implant surfaces at a minimum duration of follow-up of five years. J Bone Joint Surg Am 1998; 80A (8): 1175-85.
  • McCombe P, Williams S A. A comparison of polyethylene wear rates between cemented and cementless cups. A prospective, randomised trial. J Bone Joint Surg Br 2004; 86 (3): 344-9.
  • McCulloch P, Altman D G, Campbell W B, et al. No surgical innovation without evaluation: the IDEAL recommendations. Lancet 2009; 374 (9695): 1105-12.
  • McLaughlin J R, Lee K R. Total hip arthroplasty with an uncemented femoral component - Excellent results at ten-year follow-up. J Bone Joint Surg Br 1997; 79B (6): 900-7.
  • McLaughlin J R, Lee K R. Total hip arthroplasty in young patients. 8- to 13-year results using an uncemented stem. Clin Orthop Relat Res 2000; (373): 153-63.
  • McLaughlin J R, Lee K R. The outcome of total hip replacement in obese and non-obese patients at 10-to 18-years. J Bone Joint Surg Br 2006; 88B (10): 1286-92.
  • McLaughlin J R, Lee K R. Total hip arthroplasty with an uncemented tapered femoral component. J Bone Joint Surg Am 2008; 90 (6): 1290-6.
  • Min B W, Song K S, Bae K C, Cho C H, Kang C H, Kim S Y. The effect of stem alignment on results of total hip arthroplasty with a cementless tapered-wedge femoral component. J Arthroplasty 2008; 23 (3): 418-23.
  • Mjoberg B, Selvik G, Hansson L I, Rosenqvist R, Onnerfalt R. Mechanical loosening of total hip prostheses. A radiographic and roentgen stereophotogrammetric study. J Bone Joint Surg Br 1986; 68 (5): 770-4.
  • Mjoberg B, Franzen H, Selvik G. Early detection of prosthetic-hip loosening. Comparison of low- and high-viscosity bone cement. Acta Orthop Scand 1990; 61 (3): 273-4.
  • Muirhead-Allwood S K. Lessons of a hip failure. BMJ 1998; 316 (7132): 644.
  • Murray D W, Carr A J, Bulstrode C J. Which primary total hip replacement? J Bone Joint Surg Br 1995; 77 (4): 520-7.
  • Myers G J C, Morgan D, O’Dwyer K. Exeter-Ogee total hip replacement using the Hardinge approach; the ten to twelve year results. Hip Int 2008; 18 (1): 35-9.
  • Nelissen R G, Garling E H, Valstar E R. Influence of cement viscosity and cement mantle thickness on migration of the Exeter total hip prosthesis. J Arthroplasty 2005; 20 (4): 521-8.
  • Nelissen R G, Pijls B G, Karrholm J, Malchau H, Nieuwenhuijse M J, Valstar E R. RSA and registries: the quest for phased introduction of new implants. J Bone Joint Surg Am 2011; 93 Suppl 3: 62-5.
  • NHS. National Institute for Clinical Excellence. Guidance on the selection of prostheses for primary total hip replacement. : http://www.nice.org.uk/nicemedia/pdf/Guidance_on_the_selection_of_hip_prostheses.pdf.
  • Nieuwenhuijse M J, Valstar E R, Kaptein B L, Nelissen R G. Good diagnostic performance of early migration as a predictor of late aseptic loosening of acetabular cups. Results from ten years of follow-up with roentgen stereophotogrammetric analysis (RSA). J Bone Joint Surg Am 2012; 94 (10): 874-80.
  • Nivbrant B, Karrholm J, Soderlund P. Increased migration of the SHP prosthesis: radiostereometric comparison with the Lubinus SP2 design in 40 cases. Acta Orthop Scand 1999; 70 (6): 569-77.
  • Nivbrant B, Karrholm J, Rohrl S, Hassander H, Wesslen B. Bone cement with reduced proportion of monomer in total hip arthroplasty: preclinical evaluation and randomized study of 47 cases with 5 years’ follow-up. Acta Orthop Scand 2001; 72 (6): 572-84.
  • NJR. New Zealand National Joint Registry Annual Report 2012 (fourteen year report): http://www.nzoa.org.nz/nz-joint-registry.
  • Nordsletten L, Aamodt A, Benum P, Grant P. The Unique customized prosthesis (UCP) is more stable than the cemented Elite Plus femoral stem. A randomized prospective study with radiostereometric one year follow up. J Bone Joint Surg Br 2004; 86-B: 401-40d.
  • Ochs U, Eingartner C, Volkmann R, et al. >Prospective long-term follow-up of the cementless bicontact hip stem with plasmapore coating. Z Orthop Unfall 2007; 145 Suppl 1: S3-8.
  • Ohnsorge J A, Davis J, Maus U, Saklak M, Weisskopf M, Wirtz D C. >Early polyethylene wear and excessive acetabular granuloma in an uncemented HA-coated total hip arthroplasty--midterm results of a prospective study. HSS J 2006; 2 (2): 114-20.
  • Olofsson K, Digas G, Karrholm J. Influence of design variations on early migration of a cemented stem in THA. Clin Orthop Relat Res 2006; 448: 67-72.
  • Oosterbos C J, Rahmy A I, Tonino A J. Hydroxyapatite coated hip prosthesis followed up for 5 years. Int Orthop 2001; 25 (1): 17-21.
  • Oosterbos C J, Rahmy A I, Tonino A J, Witpeerd W. High survival rate of hydroxyapatite-coated hip prostheses: 100 consecutive hips followed for 10 years. Acta Orthop Scand 2004; 75 (2): 127-33.
  • Parvizi J, Sharkey P F, Hozack W J, Orzoco F, Bissett G A, Rothman R H. Prospective matched-pair analysis of hydroxyapatite-coated and uncoated femoral stems in total hip arthroplasty. A concise follow-up of a previous report. J Bone Joint Surg Am 2004; 86-A (4): 783-6.
  • Pijls B G, Dekkers O M, Middeldorp S, Valstar E R, van der Heide H J, Van der Linden-Van der Zwaag H M, Nelissen R G. AQUILA: assessment of quality in lower limb arthroplasty. An expert Delphi consensus for total knee and total hip arthroplasty. BMC Musculoskelet Disord 2011; 12: 173.
  • Pijls B G, Nieuwenhuijse M J, Fiocco M, Plevier J W, Middeldorp S, Nelissen R G, Valstar E R. Early proximal migration of cups is associated with late revision in THA: a systematic review and meta-analysis of 26 RSA studies and 49 survivalstudies. Acta Orthop Scand 2012a; 83 (6): 583-91.
  • Pijls B G, Valstar E R, Nouta K A, Plevier J W, Fiocco M, Middeldorp S, Nelissen R G. Early migration of tibial components is associated with late revision: a systematic review and meta-analysis of 21,000 knee arthroplasties. Acta Orthop Scand 2012b; 83 (6): 614-24.
  • Pivec R, Johnson A J, Mears S C, Mont M A. Hip arthroplasty. Lancet 2012; 380 (9855): 1768-77.
  • Poon P C, Rennie J, Gray D H. Review of total hip replacement. The Middlemore Hospital experience, 1980-1991. N Z Med J 2001; 114 (1133): 254-6.
  • Purtill J J, Rothman R H, Hozack W J, Sharkey P F. Total hip arthroplasty using two different cementless tapered stems. Clin Orthop Relat Res 2001; (393): 121-7.
  • Putter H, Fiocco M, Stijnen T. Meta-analysis of diagnostic test accuracy studies with multiple thresholds using survival methods. Biom J 2010; 52 (1): 95-110.
  • Rogers A, Kulkarni R, Downes E M. The ABG hydroxyapatite-coated hip prosthesis: one hundred consecutive operations with average 6-year follow-up. J Arthroplasty 2003; 18 (5): 619-25.
  • Ryd L, Albrektsson B E, Carlsson L, Dansgard F, Herberts P, Lindstrand A, Regner L, Toksvig-Larsen S. Roentgen stereophotogrammetric analysis as a predictor of mechanical loosening of knee prostheses. J Bone Joint Surg Br 1995; 77 (3): 377-83.
  • Savilahti S, Myllyneva I, Lindholm T S, Pajamaki K J, Nevalainen J, Laippala P. Clinical outcome and survival of Link RS total hip prosthesis. J Bone Joint Surg Br 1995; 77 (3): 369-73.
  • Schemitsch E H, Bhandari M, Boden S D, et al. The evidence-based approach in bringing new orthopaedic devices to market. J Bone Joint Surg Am 2010; 92 (4): 1030-7.
  • Schramm M, Keck F, Hohmann D, Pitto R P. Total hip arthroplasty using an uncemented femoral component with taper design: outcome at 10-year follow-up. Arch Orthop Trauma Surg 2000; 120 (7-8): 407-12.
  • Schreiner U, Scheller G, Herbig J, Jani L. Mid-term results of the cementless CLS stem. A 7- to 11-year follow-up study. Arch Orthop Trauma Surg 2001; 121 (6): 321-4.
  • SHAR. Swedish Hip Arthroplasty Registry Report 2011: http://www.shpr.se/en/Publications/DocumentsReports.aspx.
  • Sheth U, Nguyen N A, Gaines S, Bhandari M, Mehlman C T, Klein G. New orthopedic devices and the FDA. J Long Term Eff Med Implants. 2009; 19 (3): 173-84.
  • Siebold R, Scheller G, Schreiner U, Jani L. [Long-term results with the cement-free Spotorno CLS shaft]. Orthopade 2001; 30 (5): 317-22.
  • Soballe K, Christensen F. Calcar resorption after total hip arthroplasty. J Arthroplasty 1988; 3 (2): 103-7.
  • Soballe K, Christensen F, Luxhoj T. Hip replacement in obese patients. Acta Orthop Scand 1987a; 58 (3): 223-5.
  • Soballe K, Olsen N J, Ejsted R, Christensen F, Luxhoj T. Revision of the uncemented hip prosthesis. Acta Orthop Scand 1987b; 58 (6): 630-3.
  • Spotorno L, Romagnoli S, Ivaldo N, et al. The CLS system. Theoretical concept and results. Acta Orthop Belg 1993; 59 Suppl 1: 144-8.
  • Stefansdottir A, Franzen H, Johnsson R, Ornstein E, Sundberg M. Movement pattern of the Exeter femoral stem; a radiostereometric analysis of 22 primary hip arthroplasties followed for 5 years. Acta Orthop Scand 2004; 75 (4): 408-14.
  • Steimer O, Adam F, Johann S, Pape D. [Primary stability of cementless implanted hip stems made of titanium alloy with metaphyseal fixation. A prospective clinical Roentgen-Stereometry-Analysis (RSA) study]. Z Orthop Ihre Grenzgeb 2006; 144 (6): 587-93.
  • Strom H, Mallmin H, Milbrink J, Petren-Mallmin M, Nivbrant B, Kolstad K. The cone hip stem: a prospective study of 13 patients followed for 5 years with RSA. Acta Orthop Scand 2003; 74 (5): 525-30.
  • Strom H, Kolstad K, Mallmin H, Sahlstedt B, Milbrink J. Comparison of the uncemented Cone and the cemented Bimetric hip prosthesis in young patients with osteoarthritis: an RSA, clinical and radiographic study. Acta Orthop Scand 2006; 77 (1): 71-8.
  • Swierstra B A, Vervest A M, Walenkamp G H, et al. Dutch guideline on total hip prosthesis. Acta Orthop Scand 2011; 82 (5): 567-76.
  • Tarasevicius S, Kesteris U, Robertsson O, Smailys A, Janusonis V, Wingstrand H. Introduction of total hip arthroplasty in Lithuania: results from the first 10 years. Acta Orthop Scand 2007; 78 (4): 454-7.
  • Thanner J, Freij-Larsson C, Karrholm J, Malchau H, Wesslen B. Evaluation of Boneloc. Chemical and mechanical properties, and a randomized clinical study of 30 total hip arthroplasties. Acta Orthop Scand 1995; 66 (3): 207-14.
  • Thien T M, Ahnfelt L, Eriksson M, Stromberg C, Karrholm J. Immediate weight bearing after uncemented total hip arthroplasty with an anteverted stem - A prospective randomized comparison using radiostereometry. Acta Orthop Scand 2007; 78 (6): 730-8.
  • Tonino A J, Rahmy A I. The hydroxyapatite-ABG hip system: 5- to 7-year results from an international multicentre study. The International ABG Study Group. J Arthroplasty 2000; 15 (3): 274-82.
  • Vochteloo A J, Pijls B G, van der Heide H J. Sutures v staples. Let’s add three other studies. BMJ 2010; 340: c2627.
  • Volkmann R, Eingartner C, Winter E, Weise K, Weller S. Midterm results in 500 titanium alloy straight femoral stem prostheses-cemented and cementless technique. Eur J Ortho Surg Traumatol 1998; 8 (3): 133-9.
  • von Schewelov T, Sanzen L, Onsten I, Carlsson A. Catastrophic failure of an uncemented acetabular component due to high wear and osteolysis - An analysis of 154 Omnifit prostheses with mean 6-year follow-up. Acta Orthop Scand 2004; 75 (3): 283-94.
  • Weise K, Eingartner C, Winter E. [Cemented versus uncemented hip replacement--rational decision making using the BiCONTACT total hip system]. Zentralbl Chir 2003; 128 (1): 46-52.
  • Williams H D, Browne G, Gie G A, Ling R S, Timperley A J, Wendover N A. The Exeter universal cemented femoral component at 8 to 12 years. A study of the first 325 hips. J Bone Joint Surg Br 2002; 84 (3): 324-34.
  • Wingstrand I, Persson B M, Wingstrand H. Total hip replacement with second generation cementing technique and the monobloc ScanHip: a 10-year follow-up. Int Orthop 2002; 26 (2): 69-71.
  • Wykman A, Lundberg A. Subsidence of porous coated noncemented femoral components in total hip arthroplasty. A roentgen stereophotogrammetric analysis. J Arthroplasty 1992; 7 (2): 197-200.
  • Wykman A, Selvik G, Goldie I. Subsidence of the femoral component in the noncemented total hip. A roentgen stereophotogrammetric analysis. Acta Orthop Scand 1988; 59 (6): 635-7.
  • Wykman A, Olsson E, Axdorph G, Goldie I. Total hip arthroplasty. A comparison between cemented and press-fit noncemented fixation. J Arthroplasty 1991; 6 (1): 19-29.
  • Yoo J J, Kim Y M, Yoon K S, Koo K H, Song W S, Kim H J. Alumina-on-alumina total hip arthroplasty. A five-year minimum follow-up study. J Bone Joint Surg Am 2005; 87 (3): 530-5.
  • Young L, Duckett S, Dunn A. The use of the cemented Exeter Universal femoral stem in a District General Hospital: a minimum ten-year follow-up. J Bone Joint Surg Br 2009; 91 (2): 170-5.