Cementless Highly Porous Titanium Tibial Base Plate in Total Knee Arthroplasty – Midterm Outcomes.

Authors

  • Smit Shah Consultant Orthopaedic Surgeon, Nanavati Superspeciality Hospital, Vile-Parle (W)Mumbai.
  • Nicholas Coulshed Conjoint Associate Lecturer UNSW, South Western Sydney Clinical School, NSW, Australia.
  • Rami Sorial Associate Professor and Head of Department, Orthoapedics, Nepean Hospital, Derby St, Penrith, NSW 2750.

DOI:

https://doi.org/10.15438/rr.11.1.235

Keywords:

cementless tibia, Regenerex, cementless total knee arthropasty, Vanguard

Abstract

Introduction & Aims

TKA in more active and young patients has prompted the interest in more durable and biological methods of Osteo-integration with cementless components. With the emergence of improved biomaterials like porous titanium and the success, search for a cementless TKA with long-term durability and survivorship may have ended. This is a retrospective study of 492 consecutive TKAs using Cementless tibial fixation, reporting on the early 4 years clinical and radiological outcomes.

Method

We studied 492 TKAs performed consecutively by a single surgeon between 1stJan. 2010 and 31stDec. 2015 using a cementless, fixed bearing tibial tray (porous–Regenerex, Vanguard, Zimmer-Biomet) and a cementless femoral component (Vanguard) with no exclusion criteria. Clinical and radiological follow-up was done on these patients and in addition a comprehensive joint registry review was performed on the whole cohort (Level II evidence).

Results

 The average Knee Society Score at final follow-up was 89.33, average pre-op being 42.06. Average post-op WOMAC score was 43.45 and average pre-op was 77.78. On radiological examination, no patients had osteolysis around tibial base plate. In our series 9 patients were revised, out of which only 4 patients had the tibial tray and femoral component revised and 5 patients had patella resurfacing or liner exchange. Overall survivorship of the cementless tibial component is excellent with a survivorship of 99.4% at 5.9 years based on a comprehensive AOANJRR data.

Conclusions

Cementless tibial fixation using a porous titanium construct  can provide stable bone ingrowth fixation on the tibial side with excellent and predictable early 4 to 5 year clinical and radiological outcomes.

Author Biographies

Smit Shah, Consultant Orthopaedic Surgeon, Nanavati Superspeciality Hospital, Vile-Parle (W)Mumbai.

DNB Orth, M.S. Orth, D.Orth

Clinical Fellow – Adult Reconstruction and Sports Medicine (Hip and Knee), Macquarie University Hospital and Nepean Private Hospital, NSW, Australia

Nicholas Coulshed, Conjoint Associate Lecturer UNSW, South Western Sydney Clinical School, NSW, Australia.

MBBS (Hons I), Western Sydney University, NSW Australia; Conjoint Associate Lecturer UNSW, South Western Sydney Clinical School, NSW, Australia.

Rami Sorial, Associate Professor and Head of Department, Orthoapedics, Nepean Hospital, Derby St, Penrith, NSW 2750.

FRACS, FAOrthA.

Associate Professor and Head of Department, Orthoapedics, Nepean Hospital, Derby St, Penrith, NSW 2750.

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Published

2021-04-08

How to Cite

Shah, S., Coulshed, N. ., & Sorial, R. . (2021). Cementless Highly Porous Titanium Tibial Base Plate in Total Knee Arthroplasty – Midterm Outcomes . Reconstructive Review, 11(1). https://doi.org/10.15438/rr.11.1.235

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Original Article