10Nov 2017

EARLY RESULTS OF LARGE CERAMIC HEAD ON HIGHLY CROSS LINKED POLYETHYLENE CEMENTLESS TOTAL HIP REPLACEMENT IN YOUNG ADULTS.

  • MBBCH, M.sc (Orthopaedic Surgery), Orthopedic specialist , minestry of health, Egypt.
  • Assisstant Professor of orthopaedic surgery, Benha university.
  • Professor of orthopaedic surgery, Benha university.
  • Abstract
  • Keywords
  • References
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  • Corresponding Author

This study study was conducted on 20 patients undergoing total hip replacements due to various hip pathologies in adults aged from 20 to 55 years . All patients who had undergone noncemented THR using 36-mm ceramic femoral heads and highly cross-linked polyethylene liners were identified . Indications for use of a ceramic femoral head were young (aged 55 years or younger) and/or active patients. The study excluded any patient with any dislocations, acetabular fractures, infections, or any revision or reoperation as indications for hip joint replacement. All the patients of the study were subjected to the following after an informed consent 1) Full history taking. 2) Clinical assessment , To correlate radiographic readings with patient satisfaction and clinical symptoms, the patients answered a questionnaire, concerning pain and patient satisfaction according to Harris hip score. 3) Radiographic assessment. Duration of the study was 18 months, Preoperative clinical assessment and harris hip score and radiological evaluation and the same protocol for each visit post operatively The results showed that The Harris Hip Score increased from a preoperative mean of 38.2 points to 94.2 points.And range of motion improved from mean 122.35 to 204.15? after 18 months follow-up. These values are higher than those of two other comparable running studies with 28 mm femoral head. Increasing the femoral head size increase the stability and range of motion of the hip joint in THA but with convensional bearing surfaces this cause increased wear rate and decrease the longivity of the prothesis. With new articulatig bearing surfaces as ceramic on highly cross linked poly ethylene we can get the benefit of increasing the head size and increase the longivity of the joint prothesis specially in young adults.


  1. Amstutz HC, Le Duff MJ, Beaule PE. Prevention and treatment of dislocation after total hip replacement using large diameter balls. Clin Orthop Relat Res. 2004 Dec;(429):108-16.
  2. Baker DA, Bellare A, Pruitt L. The effects of degree of crosslinking on the fatigue crack initiation and propagation resistance of orthopedic-grade polyethylene. J Biomed Mater Res A 2003;66-1:146-54.
  3. Engh CA Jr, Stepniewski AS, Ginn SD et al: A randomized prospective evaluation of outcomes after total hip arthroplasty using cross-linked marathon and non-cross-linked Enduron polyethylene liners. HYPERLINK \"javascript:AL_get(this, \'jour\', \'J Arthroplasty.\');\" J Arthroplasty. 2006 Sep;21(6 Suppl 2):17-25.
  4. Geller JA, Malchau H, Bragdon C, Greene M, Harris WH, Freiberg AA. Large diameter femoral heads on highly cross-linked polyethylene: minimum 3-year results. Clin Orthop Relat Res. 2006 Jun; 447:53-9.
  5. Heisel C, Silver M dela Rosa M and Schmalzried TP: Short term in vivo wear of cross linked polyethylene. J Bone Joint Surg 86-A: 748-751, 2004.
  6. -S. Kang and K.-H. Moon . Ceramic on highly cross-linked Polyethylene in cementless Total Hip Arthroplasty by J.-S. Kang and K.-H. 12th BIOLOX? Symposium Seoul, Republic of Korea September 7 - 8, 2007.
  7. Jovanovic , C.Warzecha ,Muschika and F.Hoffmann. Early results and differences in clinical outcome of 32 and 36mm ceramic on ceramic articulation .10th EFORT Congress 3 - 6 June 2009, Abstract P380 .
  8. Willmann G. Ceramic femoral head retrieval data. Clin Orthop Relat Res 2000-379:22-8.
  9. -H. Kim. Comparison of Uncemented Total Hip Arthroplasty between Metal on Metal and Ceramic on Polyethylene Bearing Surfaces in Young Patients . 12th BIOLOX? Symposium Seoul, Republic of Korea September 7 - 8, 2007.

[Mohammed Ahmed Selim, Mamdouh Mohammed El- Karamany and Sherin Ahmed Khalil. (2017); EARLY RESULTS OF LARGE CERAMIC HEAD ON HIGHLY CROSS LINKED POLYETHYLENE CEMENTLESS TOTAL HIP REPLACEMENT IN YOUNG ADULTS. Int. J. of Adv. Res. 5 (11). 1-10] (ISSN 2320-5407). www.journalijar.com


Mohamed Ahmed Selim


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