From August 1987 to the Ist of March 1993 1,477 RM.-isoelastic, uncemented cup components (257 HA, 1,220 Titanium coated) were inserted for T.H.R., matched with the RM- isoelastic and isotitan stem components.
At a 4 year mean follow-up (7-1 years) 1,302 cups were clinically and radiographically assessed; 6.2% of cups could not be controlled, because at follow-up time the patients had died; 5.6% could not be traced.
All the cups were fixed with 3.2 mm peripheral screws (mean number of screws: 6). The cups more than 60 mm in diameter were fixed with 2 additional cancellous (6.5 mm) screws.
The Charnley score is: - 9 - (97.5%) - 8- (2.43%);
1 cup was removed because of infection (0.07%);
3 cups were revised because of malposition and reinserted in proper position.
The results with a similar number of RM.-uncoated cups, fixed with only one or two screws from 1979 to 1985, at a mean 4 year follow-up were: 7% revision and 9% impending loosening. Even bone reaction at the bone-cup interface signifies no osteolisis, neither around the cup nor around the screws. The satisfactory clinical results suggest to proceed with the use of this cup
BarrackR.L., MulroyR.D.Jr., HarrisW.H.Improved cementing techniques and femoral component loosening in young patients with hip arthroplasty. JBJS1992; 74/B: 385–9.
2.
BobynJ.D., DillarR.M., CameronH.U., WeatherlyG.C.The optimum pore size for the fixation of porous surfaced metal implants by ingrowth of bone. Clinic Orthop1980; 150: 263–70.
3.
BombelliR., SantoreR.F.Zementlose, Isoelastische Totalprothesenarthroplastik des Hüftgelenks: Vorläufiger Bericht der ersten 215 Konsekutiven Fälle. In: Die Zementlose Fixation von Hüftendoprothesen. Hrsg: MorscherE.Berlin-Heidelberg-New York: Springer-Verlag1983; 216–25.
4.
BombelliR., BombelliM., AvaiA.Elastic total hip prosthesis. In: Recent advances in orthopaedics.New Dehli: Surya Bahn, Yapee Brothers1993; vol. I, 49–68.
5.
BombelliR.Structure and function in normal and abnormal hips. How to rescue mechanically jeopardized hips. III. Ed.Berlin, Heidelberg, New York, London, Paris, Tokyo, Hong Kong, Barcelona, Budapest: Springer-Verlag1993.
6.
CallaghanJ.J., DysartS.H., SavoryC.G.The uncemented porous-coated anatomic total hip prosthesis. Two year results of a prospective consecutive series. JBJS1988; 70/A: 337–44.
7.
CarterD.R., VasuR., HarrisW.H.Stress distributions in the acetabular region. Effect of cement thickness and metal backing of the total hip acetabular component. J Biochem1982; 15: 165–70.
8.
ChandlerH.P., ReineckF.T., WixonR.L., Mc CarthyJ.C.Total hip replacement in patients younger than thirty years old. A five year follow-up study. JBJS1981; 63/A: 1426–34.
9.
CharnleyJ.Anchorage of the femoral head prosthesis to the shaft of the femur. JBJS1960; 42/B: 28–30.
10.
DietschiC., SchreiberA., HuggliA.N., JacobH.Experimental investigation of deformation of the weight bearing acetabulum. Acta Orthop Belgica1975; 41: 153–9.
11.
DorrL.D., TakeiG.K., ConatyJ.P.Total hip arthroplasties in patients less than forty-five years old. JBJS1983; 65/A: 474–9.
12.
DorrD.L.Arthritis in athletics. Clinics in sports medicine1991; 10: 343.
13.
DucheyneP., MartiusM., De MeesterP., MulierJ.C.Titan und Titanlegierungspro-thesen mit porösen Drathdeckschicht. In: MorscherE., Hrsg. Die Zementlose Fixation von Hüftendoprothesen.Berlin, Heidelberg, New York, Tokyo: Springer-Verlag1983; 111–20.
14.
EndlerM., EndlerF., PlankH.Experimentelle Aspekte und klinische Früherfahrung einer zementlosen Hüftgelenkspfanne aus UHMW Polyäthylen. In: MorscherE., Hrsg. Die Zementlose Fixation von Hüftendoprothesen.Berlin, Heidelberg, New York: Springer-Verlag1983; 169–203.
EgelbrechtD.J., WeberF.A., SweetM.B.E., JakimI.Long term results of revision total arthroplasty. JBJS1990; 72/B: 41–5.
17.
FurlongR.J., OsbornJ.F.Fixation of hip prostheses by hydroxyapatite ceramic coatings. JBJS1991; 73/B: 741–5.
18.
FurlongR.J.Six year experience of hydroxyapatite ceramic coated hip prosthesis.London: Furlong Research Foundation, 1992.
19.
GalanteJ., RostokerW., LueckR., RayR.D.Sintered fiber metal composites as basis for attachment of implants to bone. JBJS1971; 53/A: 101–14.
20.
GrigorisP., RobertsP., Mc MinnD.J.W.Failure of uncemented polyethylene acetabular components. J of Arthropl1993; 8: 433–7.
21.
GrissP.Ergebnisse der teilweise Zementfrei implantierten Keramic-Keramic-Hüftendoprothesen Typ Lindenhof 4-8 Jahre post Operationen. In: MorscherE. Hrsg: Die Zementlose Fixation von Hüftendoprothesen, Berlin, Heidelberg, New York: Springer-Verlag1983; 226–49.
22.
HaddadR.J., CookS.D., BrinkerM.R.A comparison of three varieties of non-cemented porous coated hip replacement. JBJS1990; 72/B: 2–8.
23.
HarrisW.H., WhiteR.E.Jr.Socket fixation using a metal-backed acetabular component for total hip replacement. A minimum five year follow-up. JBJS1982; 64/A: 745–8.
24.
HarrisW.H., PenenbergB.L.Further follow-up on socket fixation using a metal-backed acetabular component for total hip replacement. A minimum ten year follow-up study. JBJS1987; 69/A: 1140–3.
25.
HungerfordO.Clinical result with PCA hip total arthroplastic.Baltimore: Williams Wilkins1986.
26.
KnahrK., SalzerM., FrankP.Erfahrungen mit Zementfrei implantierten Polyäthylenpfanne. In: MorscherE., Hrsg. Die Zementlosen Fixation von Hüftendoprothesen.Berlin, Heidelberg, New York: Springer-Verlag1983; 210–5.
27.
LordG.Erfahrungsbericht über 400 Zementlose Hüftprothesen. Med Orthop Techn1980; 1: 39–43.
28.
Mac DonaldJ.W., MorscherE., MasarZ.Cementless uncoated polyethylene acetabular components in total hip replacement. Review from 5 to 10 years. JBJS1990; 72/B: 423–30.
29.
MathysR Sen, MathysR.Jr.Die Verwendung von Kunststoffen in der Endoprothetic. In: MorscherE. Hrsg.: Die Zementlose Fixation von Hüftendoprothesen.Berlin, Heidelberg, New York: Springer-Verlag1983; 70–80.
30.
MathysR Sen. Isoelastic hip prostheses. In: HubnerHans, ed. Manual of surgical and operative techniques1992.
31.
MittelmeierH.Selbsthaftende Keramik-Metall-Verbund-Endoprothesen (Tragrippen Prothese). Med Orthop Techn1975; 95: 152–9.
32.
MittelmeierH.Anchoring hip endoprosthesis without bone cement. In: SchaldachM., HofmannB., ed. Engineering in medicine. 2. Advances in artificial hip and knee joint technology.Berlin, Heidelberg, New York: Springer-Verlag1976; 387–402.
33.
MorscherE., DickW.Zementlose Verankerung einer Hüftgelenkpfanne aus Polyäthylen. In: MorscherE., Hrsg. Die Zementlose Fixation von Hüftendoprothesen.Berlin, Heidelberg, New York, Tokyo: Springer-Verlag1983; 205–9.
34.
MulroyR.D.Jr., HarrisW.H.The effect of improving cementing techniques on component loosening in total hip replacement. An 11 year radiographic review. JBJS1990; 72/B: 757–60.
35.
OsbornJ.E.Implant at werkstoff Hydroxiapatitkeramic. Grundlagen und klinische Anwendung.Berlin, Chicago, Rio de Janeiro, Tokyo: Quintessenz Verlags GmbH1985.
36.
PauwelsF.R.Atlas zur Biomechanik der gesunden und kranken Hüfte.Berlin, Heidelberg, New York: Springer-Verlag1973.
37.
RingP.A.Complete replacement arthroplasty of the hip by the ring prosthesis. JBJS1968; 50/B: 720–31.
38.
RosenqvistR., BylanderB., KnutsonK.Loosening of the porous coating of biocompartimental prosthesis in patients with rheumatoid arthritis. JBJS1986; 68/A: 538–42.
39.
SchmelzriedT.P., HarrisW.H.The Harris Galante porous coated acetabular component with screw fixation. Radiographic analysis of 83 primary hip replacements at a minimum of 5 years. JBJS1992; 74/A: 1130–9.
40.
SchreiberA., JacobH.A.C., HauserR., KernS.The self locking Balgrist hip socket for cementless fixation. Biomechanical principles and clinical results. In: Hip International 3/4, Milano: Wichtig Editore1992; 71–8.
WilliamsW., Mc CulloghC.Results of cemented total hip replacement in juvenile chronic arthritis. JBJS1993; 75/B: 872–4.
43.
WittJ.D., SwannM., AnsellB.M.Total hip replacement for juvenile chronic arthritis. JBJS1991; 73/B: 770–8.
44.
WroblewskyB.M., LyrichM., AtkinsonJ.R., DowsonD., IsaacG.H.I.External wear of the polyethylene socket in cemented total hip arthroplasty. JBJS1987; 69/B: 61–3.
