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Journal of Long-Term Effects of Medical Implants
SJR: 0.145 SNIP: 0.491 CiteScore™: 0.89

ISSN Imprimir: 1050-6934
ISSN En Línea: 1940-4379

Journal of Long-Term Effects of Medical Implants

DOI: 10.1615/JLongTermEffMedImplants.2013007131
pages 17-21

Excellent Early Outcomes of the First 100 Cruciate-Retaining TriathlonTM Total Knee Arthroplasties

Qais Naziri
Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Reconstruction, Sinai Hospital of Baltimore, Baltimore, Maryland; Department of Orthopaedic Surgery and Rehabilitation Medicine, SUNY Downstate Medical Center/University Hospital Brooklyn, Brooklyn, NY
Aaron J. Johnson
Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Reconstruction, Sinai Hospital of Baltimore, Baltimore, Maryland
Robert Pivec
Department of Orthopaedic Surgery and Rehabilitation Medicine, SUNY Downstate Medical Center/University Hospital Brooklyn, Brooklyn, NY
Swetha Dhanireddy
Rubin Institute for Advanced Orthopedics, Center for Joint Preservation and Reconstruction, Sinai Hospital of Baltimore, Baltimore, Maryland
Mark J. McElroy
Center for Joint Preservation and Replacement, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland
Kimona Issa
School of Health and Medical Sciences, Department of Orthopaedics, Seton Hall University, 400 S Orange Ave, South Orange, New Jersey
Michael A. Mont
Center for Joint Preservation and Replacement, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, Maryland

SINOPSIS

Purpose: Total knee arthroplasties typically have excellent survivorship (>95%) at 10 to 20 years. Implant manufacturers are attempting to address patient dissatisfaction with prostheses that recreate natural knee kinematics, which could lead to improved functional scores while still providing stability and durability. The purpose of this study was to review the outcomes of the first 100 consecutive patients who underwent a cruciate-retaining TKA.
Methods: The first 100 consecutive primary total knee arthroplasties using the TriathlonTM total knee system performed by one surgeon between 2005 and 2007 were identified: 56 women and 32 men, mean age of 59 years (range, 31-83 years). Patients were followed for a mean of 36 months (range, 24-61 months). Subsequent procedures and complications were reviewed.
Results: The survival rate in the study cohort was 98% (96 of 98 knees). The mean Knee Society objective and functional scores for this cohort was 89 (range, 56-100 points) and 86 (range, 45-100 points) points, respectively, having improved from 59 (range, 34-67 points) and 55 (range, 10-80 points) points preoperatively. All failures occurred within the first 40 cases performed with the new total knee system. The next 60 cases had 100% survivorship.
Conclusions: Excellent clinical outcomes and functional scores were found in patients who underwent a new cruciate-retaining TKA. Functional scores reported at a minimum of 2 years follow-up were comparable and often superior to published results of previous cruciate-retaining knee designs.


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