The MSV approach ranked better concerning clinical scores ( the lowest visual analogic scale , the higher KSS and KSFS ) and functional outcomes ( the shortest straight leg raise , the greatest degree of flexion and range of motion ) .
Concerning perioperative data , the MSV evidence d the shortest hospital stay , while the MPP the shortest surgical duration and lowest estimated blood loss .
According to the main findings of the present study , the mini-subvastus approach for total knee arthroplasty demonstrated superior overall compared to the other approaches .
Alternatives to the classical medial parapatellar ( MPP ) approach for total knee arthroplasty ( TKA ) include the mini-medial parapatellar ( MMPP ) , mini-subvastus ( MSV ) , mini-midvastus ( MMV ) and quadriceps-sparing ( QS ) approaches .
The best approach has been not fully clarified .
The purpose of the present study was to conduct a Bayesian network meta- analysis comparing these approaches .
Minimally invasive surgery (MIS) for total knee replacement; medium term results with minimum five year follow-up.
BACKGROUND MIS TKA has been shown to offer a reduced in-patient stay , but no clinical difference at two years . Whilst there may be a benefit from earlier discharge , we need to ensure that there are no detrimental effects in the medium and long-term following MIS-TKA . To report the mid-term result from a prospect i ve r and omised controlled trial ( RCT ) comparing MIS-TKA with st and ard approach for TKA . METHODS Using knee score question naires , we collected patient reported outcome measures ( PROMs ) regarding pain and function .  Sixty-six patients ( from an eligible cohort of 83 patients ) completed the mid-term postal follow-up . RESULTS There was no significant difference between groups for change in score from pre-operative to final follow-up in all three PROMs . Mean MIS and st and ard group improvement was : AKSS 53 and 51 ( p=0.7644 ) , OKS 15 and 16 ( p=0.2341 ) or WOMAC 15 and 15 ( p=0.9900 ) respectively . Both groups showed improvement in pain and function with no significant difference between groups . There was no difference between groups for revision due to malalignment at a mean six year follow-up . CONCLUSIONS In addition to the early benefits regarding hospital stay and complications , we have found that at a mean of six years there was no increase in malalignment , pain or function with MIS techniques
The MSV approach ranked better concerning clinical scores ( the lowest visual analogic scale , the higher KSS and KSFS ) and functional outcomes ( the shortest straight leg raise , the greatest degree of flexion and range of motion ) .
Concerning perioperative data , the MSV evidence d the shortest hospital stay , while the MPP the shortest surgical duration and lowest estimated blood loss .
According to the main findings of the present study , the mini-subvastus approach for total knee arthroplasty demonstrated superior overall compared to the other approaches .
Alternatives to the classical medial parapatellar ( MPP ) approach for total knee arthroplasty ( TKA ) include the mini-medial parapatellar ( MMPP ) , mini-subvastus ( MSV ) , mini-midvastus ( MMV ) and quadriceps-sparing ( QS ) approaches .
The best approach has been not fully clarified .
The purpose of the present study was to conduct a Bayesian network meta- analysis comparing these approaches .