We found moderate to strong evidence that no adverse effects on subsidence and osseous integration of the femoral stem after uncemented THA occur after immediate UWB .
The aim of this systematic review was to find evidence -based support in the literature to allow immediate unrestricted weight bearing after  primary uncemented total hip arthroplasty ( THA ) .
Accelerated rehabilitation programs for THA are becoming increasingly popular to shorten hospital stay and to facilitate rapid restoration of function .
The goals of these rehabilitation programs could be more easily achieved if immediate unrestricted weight bearing ( UWB ) could be allowed after a THA .
So far , however , immediate weight bearing is frequently contraindicated in widely accepted protocol s for uncemented THA due to fear for subsidence and absence of osseous integration of the femoral stem .
Thus , frequently protected weight bearing and restricted activities are still advocated for at least 6 weeks after surgery .
In addition , we analyzed the literature to come to a recommendation on gait pattern and walking aid .
Unrestricted Weight Bearing and Intensive Physiotherapy after Uncemented Total Hip Arthroplasty
Background and Aims : The effectiveness of partial weightbearing after hip surgery has been question ed as well as the need of intensive physiotherapy . Material and Methods : 36 patients ( average age 54.4 , 19 women ) operated with uncemented hip arthroplasty were r and omized either to unrestricted weightbearing ( UWB ) combined with intensive physiotherapy or to partial weightbearing ( PWB ) for 3 months combined with a short self-training program . The load during walking and the muscle strength ( MS ) in abduction was measured preoperative and subsequent up to 12 months . Results : The average peak load on the operated leg at one week was 39.0 kg for the UWB and 25.8 for the PWB group ( P = 0.009 ) while at three months 70.0 and 31.7 ( P = 0.001 ) respectively . At 6 and 12 months there were no differences between the groups . The muscle strength increased in both groups up to six months but there were no differences between the groups . Conclusions : Even though patients applied more load than the recommended 15 kg most patients were able to comply with partial weightbearing fairly well . The effect of intensive physiotherapy on the muscle strength after hip arthroplasty is question able
We found moderate to strong evidence that no adverse effects on subsidence and osseous integration of the femoral stem after uncemented THA occur after immediate UWB .
The aim of this systematic review was to find evidence -based support in the literature to allow immediate unrestricted weight bearing after  primary uncemented total hip arthroplasty ( THA ) .
Accelerated rehabilitation programs for THA are becoming increasingly popular to shorten hospital stay and to facilitate rapid restoration of function .
The goals of these rehabilitation programs could be more easily achieved if immediate unrestricted weight bearing ( UWB ) could be allowed after a THA .
So far , however , immediate weight bearing is frequently contraindicated in widely accepted protocol s for uncemented THA due to fear for subsidence and absence of osseous integration of the femoral stem .
Thus , frequently protected weight bearing and restricted activities are still advocated for at least 6 weeks after surgery .
In addition , we analyzed the literature to come to a recommendation on gait pattern and walking aid .