title: Minimally invasive total hip arthroplasty: a prospective randomized study.
abstract: Patients without prior hip surgery and body mass index lower than 30 undergoing primary total hip arthroplasty were eligible to participate in a randomized prospective study comparing a minimally invasive with a standard approach. The patients were randomized to receive incisions of 8 cm (group A, n = 28) or 15 cm (group B, n = 32). The groups were similar demographically. Patients in group A had significantly less intraoperative blood loss (P < .003) and less total blood loss (P < .009). Fewer patients in group A limped at 6 weeks (P < .04). Operative time, transfusion requirements, narcotic usage, length of hospital stay, achievement of rehabilitation milestones, cane usage, and complications were similar in both groups. There was no difference between the groups at 1- and 2-year follow-up. Compared with a standard incision, patients who underwent a minimally invasive total hip arthroplasty demonstrated decreased blood loss and limped less at 6-week follow-up.
authors.affiliation: Orthopaedic and Sports Medicine Clinic, 6050 Bullard Avenue, Suite 100, New Orleans, LA 70128, USA.
authors.forename: George F
authors.initials: GF
authors.lastname: Chimento
authors.forename: Vito
authors.initials: V
authors.lastname: Pavone
authors.forename: Nigel
authors.initials: N
authors.lastname: Sharrock
authors.forename: Barbara
authors.initials: B
authors.lastname: Kahn
authors.forename: Janet
authors.initials: J
authors.lastname: Cahill
authors.forename: Thomas P
authors.initials: TP
authors.lastname: Sculco
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D019644:Arthroplasty, Replacement, Hip / Q000379:methods*; D016063:Blood Loss, Surgical; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007902:Length of Stay; D008297:Male; D008875:Middle Aged; D019060:Minimally Invasive Surgical Procedures / Q000379:methods; D011183:Postoperative Complications; D011446:Prospective Studies; D016896:Treatment Outcome