title: Effects of the lateral approach on blood flow of the gluteus medius and abductor function in total hip arthroplasty.
abstract: Total hip arthroplasty was performed in 19 patients using the lateral approach. Laser Doppler flowmetry was used to measure the blood flow in the anterior and posterior parts of the gluteus medius. The anterior part was split and detached. The posterior part was left intact. The blood flow in the gluteus medius of the anterior part was decreased by 15.4%, while that of the posterior part remained constant during surgery. Postoperatively, the Trendelenburg sign remained positive in 3 of 16 patients. No correlations were observed between a positive Trendelenburg sign and reduction in blood flow of the gluteus medius.
authors.affiliation: Department of Orthopedic Surgery, Fukuoka University School of Medicine, 7-45-1 Nanakuma, Jonan-ku, Fukuoka, Japan.
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Shitama
authors.forename: Masatoshi
authors.initials: M
authors.lastname: Naito
authors.forename: Tsuyoshi
authors.initials: T
authors.lastname: Shinoda
authors.forename: Takashi
authors.initials: T
authors.lastname: Shitama
mesh_terms: D000328:Adult; D000368:Aged; D019644:Arthroplasty, Replacement, Hip / Q000379:methods*; D001783:Blood Flow Velocity; D002081:Buttocks / Q000098:blood supply* / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D018482:Muscle, Skeletal / Q000098:blood supply / Q000503:physiopathology* / Q000601:surgery*