Total Hip Arthroplasty with a Collarless, Tapered, Fiber Metal Proximally Coated Femoral Stem

Klein, Gregg R.; Levine, Harlan B.; Nafash, Susan C.; Lamothe, Helena C.; Hartzband, Mark A.

doi:10.1016/j.arth.2008.04.010

Cited by 19 publications

(18 citation statements)

References 20 publications

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“…Mean HHS was 98 (range 86-100), and all patients available for radiographic follow-up had stable, bony ingrown stems [24]. Klein and colleagues reported similar results in their study of 129 hips implanted with an FMT at a minimum five year followup, with a mean HHS of 92% and 100% survival of the FMT component [16]. Butler et al reviewed the results of 91 patients at a minimum ten year follow-up who had a THA with a similar component, the Anatomic Hip, which is also a collarless, titanium stem with a proximal, circumferential coating of fibre metal mesh.…”

Section: Discussionsupporting

confidence: 64%

“…There was one case of early periprosthetic fracture with subsidence that required revision. This 1% fracture rate is less than Akhavan and Goldberg's reported rate of 6%, and Klein et al described two intraoperative fractures during seating of the FMT stem out of 129 implanted stems [16,24].…”

Section: Discussioncontrasting

confidence: 39%

“…Three prior publications evaluated midterm results of proximally coated, collarless, titanium fibre metal stems. Two evaluated the FMT at a minimum five year follow-up, and one evaluated the Anatomic Hip (Zimmer Anatomic Hip; Zimmer) at mean 11-year followup [16,24,25]. The study by Akhavan and Goldberg retrospectively reviewed 100 consecutive hips in 97 patients who had a THA with an FMT stem, with a minimum five year (mean 6.2 year) follow-up.…”

Section: Discussionmentioning

confidence: 99%

“…These second-generation stems include fully coated and tapered stems with varied proximal coatings, such as fibre metal titanium mesh and hydroxyapatite [10][11][12]. There have been numerous midand long-term studies published that demonstrate excellent outcomes of a variety of second-generation, noncemented stems, with high rates of bony ingrowth, low rates of revision, and satisfied patients [13][14][15][16][17][18][19][20][21][22][23][24][25][26].…”

Section: Discussionmentioning

confidence: 99%

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A concise minimum eight year follow-up of proximally porous-coated tapered titanium femoral stem in primary total hip arthroplasty

Beecher

Glassner

Malchau

et al. 2012

International Orthopaedics (SICOT)

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Purpose Our goal was to assess clinical and radiographic outcomes using a second-generation circumferentially proximally porous-coated titanium alloy stem at a minimum of eight years of follow-up. Methods Ninety-one hips (80 patients) with Fibre Metal Taper (FMT, Zimmer Inc, Warsaw, IN, USA) femoral stems implanted between May 1998 and April 2002 were followed prospectively and re-evaluated at a minimum of eight years postoperatively. The median patient age was 56 (range 34-78) years, with 40 women and 40 men. Radiographic data and clinical follow-up using Harris Hip Score (HHS) and EuroQol (EQ)-5D outcome measures were evaluated. Results Mean follow-up was 9.61 (range 8-12.3) years. At the time of the most recent follow-up, the mean HHS was 85.8 (range 46-100) points, mean EQ-5D Weighted Health State Index was 0.76 (range 0.05-1.00), and mean EQ-5D Visual Analogue Score was 80 (range 24-100). All stems were biologically stable, with all hips having osseous ingrowth. One stem was revised due to early periprosthetic fracture with stem subsidence. No hip had diaphyseal osteolysis. Conclusions To our knowledge, the data presented here represent the longest clinical follow-up of this secondgeneration cementless, proximally porous-coated femoral stem. The stems were found to perform well clinically and radiographically beyond the first five years previously reported in the literature. Patients had high levels of satisfaction and function, and osseous fixation occurred reliably without evidence of distal osteolysis.

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Section: Discussionsupporting

confidence: 64%

Section: Discussioncontrasting

confidence: 39%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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A concise minimum eight year follow-up of proximally porous-coated tapered titanium femoral stem in primary total hip arthroplasty

Beecher

Glassner

Malchau

et al. 2012

International Orthopaedics (SICOT)

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“…3.2) are available for THA components (femoral stem and acetabular cup implants) and TKA components with encouraging clinical outcomes. Recently, Klein et al [102] reported a 100 % bone osseous integration rate following THA with a collarless, tapered, fiber metal proximally coated femoral stem (Fiber metal taper TM , Zimmer, Warsaw, IN) at an average 6.7 years post-operatively. Similarly, Lachiewicz et al [103] reported an implant survival rate of 100 % at an average 10.5 years following THA with a second-generation fiber-metal proximally coated femoral stem.…”

Section: Fiber Metal Meshmentioning

confidence: 98%

Modern Porous Coatings in Orthopaedic Applications

Frank

Fabi

Levine

2013

Biological and Medical Physics, Biomedical Engineering

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The development of porous metals and coatings for orthopaedic applications has revolutionized the medical field. The ability to bond metallic implants to bone has spawned the advancements in total joint arthroplasty we have experienced over the last 4 decades. Early success was obtained as factors (pore size, coefficient of friction, modulus of elasticity) necessary for osseointegration were just being discovered. Despite good results, initial implant designs were fabricated utilizing traditional coatings (i.e. sintered beads, fiber metal, plasma spray), which have several inherent limitations, including relatively high moduli of elasticity, low coefficient of frictions and intermediate porosity. In order to improve upon these limitations and capitalize on modern techniques for implant fabrication several new porous metals have been recently introduced in orthopaedics. Tritanium (Stryker, Mahwah, NJ), Regenerex (Biomet, Warsaw, IN), StikTite (Smith and Nephew, Memphis, TN), Gription (Depuy, Warsaw, IN), Biofoam (Wright Medical, Arlington, TX), and Trabecular Metal (Zimmer, Warsaw, IN) are currently available for orthopaedic surgery applications. These materials have moved us into the era metallic foams that possess a characteristic appearance similar to cancellous bone. The open-cell internal structure of these metals afford several interesting biomaterial properties, including; high volumetric porosity (60-80 %), low modulus of elasticity and high surface frictional characteristics. The following chapter reviews the mode of fabrication, properties and applications in orthopaedic surgery for this new class of highly porous metals.

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An Initial Experience with Hip Resurfacing Versus Cementless Total Hip Arthroplasty

2013

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Total Hip Arthroplasty with a Collarless, Tapered, Fiber Metal Proximally Coated Femoral Stem

Cited by 19 publications

References 20 publications

A concise minimum eight year follow-up of proximally porous-coated tapered titanium femoral stem in primary total hip arthroplasty

A concise minimum eight year follow-up of proximally porous-coated tapered titanium femoral stem in primary total hip arthroplasty

Modern Porous Coatings in Orthopaedic Applications

An Initial Experience with Hip Resurfacing Versus Cementless Total Hip Arthroplasty

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