Porous Tantalum Implant in Early Osteonecrosis of the Hip

Abstract Porous tantalum implants are used in early osteonecrosis of the hip. Device evaluation included surgical time, blood loss, hospitalization, patient-controlled analgesia use, transfusions, implant survival, and outcomes. Mean blood loss was 70 mL. Mean operative time was 36 minutes. Average...

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Bibliographic Details
Published in:The Journal of arthroplasty 2007, Vol.22 (1), p.26-31
Main Authors: Shuler, Michael S., MD, Rooks, Michael D., MD, Roberson, James R., MD
Format: Article
Language:English
Subjects:
early outcomes
Orthopedics
osteonecrosis avascular necrosis
porous tantalum metal
total hip arthroplasty
vascularized fibular graft
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Summary:Abstract Porous tantalum implants are used in early osteonecrosis of the hip. Device evaluation included surgical time, blood loss, hospitalization, patient-controlled analgesia use, transfusions, implant survival, and outcomes. Mean blood loss was 70 mL. Mean operative time was 36 minutes. Average hospitalization was less than 1 day. No patient required patient-controlled analgesia use or transfusions. Results were compared to a historical vascularized fibular graft population. All parameters were less than the fibular graft groups ( P < .00001). All surviving implants (86%) resulted in good to excellent outcomes. Kaplan-Meier analysis at 39 months was 86% and 67% for the implant and fibular graft, respectively ( P = .21). Early outcomes demonstrate that porous tantalum implants are a safe option for femoral head salvage. Continued follow-up is necessary to determine the long-term success.
ISSN:0883-5403
1532-8406
DOI:10.1016/j.arth.2006.03.007