Survivorship of UKA in the middle-aged.

Background: Unicompartmental knee arthroplasty (UKA) is known to be a viable procedure allowing for preservation of the intact compartments and delivering excellent function at long-term follow-up. The primary purpose of this single-surgeon study was to analyse the survivorship of a fixed bearing UKA in patients younger than 60 years.

Methods: From all UKAs implanted between 1993 and 2005 at the senior authors' centre, 223 patients <60 years at operation with a minimum follow-up of 5 years were identified including all-poly and metal-backed tibiae.

UKA after spontaneous osteonecrosis of the knee: a retrospective analysis.

Purpose: Safety and efficacy of unicompartmental knee arthroplasty (UKA) in unicompartmental osteoarthritis (OA) has been shown in large patient series. It has been matter of discussion whether or not spontaneous osteonecrosis of the knee (SONK) can successfully be treated with UKA.

Patients And Methods: A retrospective approach included 52 cases of UKA for SONK of the femoral condyles.

UKA in combination with PFR at average 12-year follow-up.

Introduction: Safety and efficacy of unicompartmental knee arthroplasty (UKA) has been shown in large patient series. Patellofemoral replacement (PFR) is known to be a viable solution to end-stage patellofemoral arthritis. Bicompartmental osteoarthritis (OA) affecting the medial tibio-femoral and the patello-femoral compartment (medio-patellofemoral OA) is often treated with total knee arthroplasty (TKA).

Unicondylar knee arthroplasty in middle-aged patients: a minimum 5-year follow-up.

The purpose of this study was to report the results of unicompartmental knee arthroplasty in patients 60 years or younger for a period long enough to be statistically significant. In a cohort of 1173 unicompartmental knee prostheses implanted between 1991 and 2006, 161 knees from 158 patients 60 years or younger at the time of surgery who had 5 to 14 years of follow-up were reviewed. The Genesis unicompartmental knee replacement (Smith & Nephew, Memphis, Tenn) with the metal-back or full-poly design was implanted in these patients.

Long-term results with the first patellofemoral prosthesis.

Unlabelled: We retrospectively reviewed 70 patients, representing 79 knees, who had isolated patellofemoral arthroplasty between 1975 and 1991 using the Richards II and III implants. Seventy-five percent of the prostheses were still functioning at a minimum of 6 and average followup of 10 years after implantation. The main cause of failure was secondary femorotibial osteoarthritic deterioration (8 knees).