Implant survivorship for cementless TKA was comparable to the current gold st and ard cemented TKAs
Cementless  total knee arthroplasty ( TKA )  has had limited use in the United States , however , recent reports have demonstrated promising results , but there has been no meta- analysis to examine these outcomes in the past 5 years .
Comparison of screw and screwless fixation in cementless total knee arthroplasty.
This study compared two groups of consecutive patients undergoing total knee arthroplasty ( TKA ) with an identical cementless tibial baseplate supplementally fixated with and without screws . In 58 TKAs , two 6.5-mm cancellous screws were used for fixation , and in 58 TKAs , screwless fixation was used . Clinical evaluation was performed using the Hospital for Special Surgery knee score , and fluoroscopically guided radiographs were evaluated for radiolucencies . In the screw fixation group , average follow-up was 82+/-6 months ( range , 59 - 89 months ) and average patient age at surgery was 63 years . For the screwless fixation group , average follow-up was 67+/-5 months ( range , 48 - 76 months ) and average patient age at surgery was 62 years .  Average knee score was 97 for the screw fixation group and 98 for the screwless fixation group . This study demonstrated stability in cementless TKA both with and without screw fixation in the mid-term using the Natural-Knee II tibial component
Implant survivorship for cementless TKA was comparable to the current gold st and ard cemented TKAs
Cementless  total knee arthroplasty ( TKA )  has had limited use in the United States , however , recent reports have demonstrated promising results , but there has been no meta- analysis to examine these outcomes in the past 5 years .