A clinical comparative study of the direct anterior with mini-posterior approach: two consecutive series.
We classified 182 consecutive patients (195 hips) treated by primary cementless minimally invasive total hip arthroplasty (MIS-THA) into 2 groups via the surgical approaches: direct anterior approach (DAA, 99 hips) and a mini-posterior approach (MPA, 96 hips). Ninety-nine percent of the cups in the DAA group and 91% in the MPA group had been implanted within the safe zone (P = .008). Patients in the DAA group could get single-leg stance of more than 5 seconds by 16.6 days (P = .0004), had positive Tredelenburg's sign by 29%, got 50-m walking time of 52.3 seconds (P = .017), and showed improvement in the use of assistive walking aids (P = .031) at 3 weeks postoperatively. The results of this study suggest more rapid recovery for hip function and gait ability after MIS-THA via a DAA when compared to an MPA.
Department of Orthopaedic Surgery, Toyonaka Municipal Hospital, Osaka, Japan.
Katsuya
K
Nakata
Masataka
M
Nishikawa
Koji
K
Yamamoto
Shigeaki
S
Hirota
Hideki
H
Yoshikawa
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D019644:Arthroplasty, Replacement, Hip / Q000379:methods* / Q000534:rehabilitation; D005260:Female; D006621:Hip Joint / Q000601:surgery*; D006801:Humans; D007592:Joint Diseases / Q000534:rehabilitation / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D020127:Recovery of Function; D016896:Treatment Outcome