Evidence about the Zimmer Trabecular Metal Osteonecrosis Intervention Implant | Which Medical Device
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Retrieved implants showed little bone ingrowth and insufficient mechanical support of subchondral bone.
Credits: Pubmed: J Bone Joint Surg Am, 2008 Jun 01;90(6):1282-1289.
This retrospective study of 19 patients with 23 osteonecrotic femoral heads showed a survival rate of 44% after implantation after a mean of 1.45 years. The implant did not show superior results compared to core decompression alone.
Credits: Pubmed: International Orthopaedics April 2011, Volume 35, Issue 4, pp 489-495
This study of 27 patients who underwent tantalum rod implantation for treatment of nontraumatic femoral head osteonecrosis showed significant improvement in hip function initially in selected patients.
Credits: Pubmed: Acta Orthop. 2009 February 26; 80(1): 20?25.
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