title: Difference in stair negotiation ability based on TKA surgical approach.
abstract: Several surgical approaches for total knee arthroplasty (TKA) have been developed to minimize soft-tissue trauma and expedite functional recovery. A group of 61 subjects undergoing computer-navigated, minimally invasive TKA were randomized to receive a mini-parapatellar, standard parapatellar, mini-midvastus (MV), or mini-subvastus approach. Before and after treatment, subjects were asked to negotiate stairs in a self-selected manner. This study used the manner of stair negotiation (i.e., use of handrail, step-over-step, step-by-step) as a proxy for functional ability. Subjects who received TKA through a mini-MV approach demonstrated a significantly lower level of function at 2 and 4 months. If early functional recovery is a goal of TKA, surgeons should be cautious when considering the mini-MV approach, which was found to be inferior to other approaches in this study.
authors.affiliation: Banner Sun Health Research Institute The CORE Institute, Phoenix, Arizona, USA. michelle.varnell@thecoreinstitute.com
authors.forename: Michelle S
authors.initials: MS
authors.lastname: Varnell
authors.forename: Manoshi
authors.initials: M
authors.lastname: Bhowmik-Stoker
authors.forename: John
authors.initials: J
authors.lastname: McCamley
authors.forename: Marc C
authors.initials: MC
authors.lastname: Jacofsky
authors.forename: Mark
authors.initials: M
authors.lastname: Campbell
authors.forename: David
authors.initials: D
authors.lastname: Jacofsky
mesh_terms: D000203:Activities of Daily Living; D000368:Aged; D000369:Aged, 80 and over; D019645:Arthroplasty, Replacement, Knee / Q000379:methods* / Q000534:rehabilitation; D001696:Biomechanical Phenomena; D005260:Female; D006801:Humans; D007719:Knee Joint / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D019060:Minimally Invasive Surgical Procedures; D009068:Movement / Q000502:physiology; D020370:Osteoarthritis, Knee / Q000503:physiopathology / Q000601:surgery; D011446:Prospective Studies; D020127:Recovery of Function