Modular tibial plate for minimally invasive total knee arthroplasty

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5 Citations (Scopus)

Abstract

Purpose: Aim of the study was to evaluate the clinical and radiological results of a modular tibial plate purposely designed for minimally invasive total knee arthroplasty. Methods: We prospectively assessed the results of 200 primary total knee replacements performed through a minimally invasive approach using a dedicated modular tibial plate, a posterior stabilized knee prosthesis, and a fixed bearing in 175 patients (139 women and 36 men), undergoing surgery between 2005 and 2009 presenting knee osteoarthritis. Median age at the time of surgery was 69 years (52-88). Results: No patients were lost at follow-up. 3 implants underwent revision. At a mean 3 years (1-5 years) follow-up, the HHS and KSS score showed a significant improvement, increasing, respectively, from a median value of 35-95 (78-100) and from 31 points in the "knee" and 45 points in the "function" score to a median of 95 (83-100) and 94 (81-100). Using the Kaplan-Meier method, the survival rate at 5 years was 97. 9% with a 95% confidence interval. Conclusion: The implant showed good results in either clinical or radiological assessment at a short/midterm follow-up with a high survival rate. Level of evidence: Therapeutic study, Level IV.

Original languageEnglish
Pages (from-to)1796-1802
Number of pages7
JournalKnee Surgery, Sports Traumatology, Arthroscopy
Volume20
Issue number9
DOIs
Publication statusPublished - Aug 2012

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Knee Replacement Arthroplasties
Survival Rate
Knee Prosthesis
Knee Osteoarthritis
Knee
Confidence Intervals
Therapeutics

Keywords

  • Minimally invasive surgery
  • Modularity
  • Tibial plate
  • Total knee arthroplasty

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Surgery

Cite this

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abstract = "Purpose: Aim of the study was to evaluate the clinical and radiological results of a modular tibial plate purposely designed for minimally invasive total knee arthroplasty. Methods: We prospectively assessed the results of 200 primary total knee replacements performed through a minimally invasive approach using a dedicated modular tibial plate, a posterior stabilized knee prosthesis, and a fixed bearing in 175 patients (139 women and 36 men), undergoing surgery between 2005 and 2009 presenting knee osteoarthritis. Median age at the time of surgery was 69 years (52-88). Results: No patients were lost at follow-up. 3 implants underwent revision. At a mean 3 years (1-5 years) follow-up, the HHS and KSS score showed a significant improvement, increasing, respectively, from a median value of 35-95 (78-100) and from 31 points in the {"}knee{"} and 45 points in the {"}function{"} score to a median of 95 (83-100) and 94 (81-100). Using the Kaplan-Meier method, the survival rate at 5 years was 97. 9{\%} with a 95{\%} confidence interval. Conclusion: The implant showed good results in either clinical or radiological assessment at a short/midterm follow-up with a high survival rate. Level of evidence: Therapeutic study, Level IV.",
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AB - Purpose: Aim of the study was to evaluate the clinical and radiological results of a modular tibial plate purposely designed for minimally invasive total knee arthroplasty. Methods: We prospectively assessed the results of 200 primary total knee replacements performed through a minimally invasive approach using a dedicated modular tibial plate, a posterior stabilized knee prosthesis, and a fixed bearing in 175 patients (139 women and 36 men), undergoing surgery between 2005 and 2009 presenting knee osteoarthritis. Median age at the time of surgery was 69 years (52-88). Results: No patients were lost at follow-up. 3 implants underwent revision. At a mean 3 years (1-5 years) follow-up, the HHS and KSS score showed a significant improvement, increasing, respectively, from a median value of 35-95 (78-100) and from 31 points in the "knee" and 45 points in the "function" score to a median of 95 (83-100) and 94 (81-100). Using the Kaplan-Meier method, the survival rate at 5 years was 97. 9% with a 95% confidence interval. Conclusion: The implant showed good results in either clinical or radiological assessment at a short/midterm follow-up with a high survival rate. Level of evidence: Therapeutic study, Level IV.

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