title: Residual Symptoms and Function in Young, Active Hip Arthroplasty Patients: Comparable to Normative Controls?
abstract: Whether patient-reported symptoms and function after total hip and surface replacement arthroplasty in young, active patients compare favorably to those without known hip pathology has not been investigated.
  
  
  
  A retrospective, multicenter study was designed in which 5 centers contributed patients aged <60 years with a presymptomatic University of California at Los Angeles score ≥6 undergoing hip arthroplasty. Data were collected by an independent, third-party survey center that administered a questionnaire assessing patient satisfaction and function. A "control" population with no prior hip interventions or hip pathology limiting their activity, that met the age and activity criteria, was identified for comparison using multivariate regression analyses.
  
  
  
  Eight-hundred six hip arthroplasties (682 total hip arthroplasty, 124 surface replacement arthroplasty) and 158 controls were included. A greater percentage of hip arthroplasty patients were male and aged >50 years which was controlled during multivariate regression analyses. Control patients reported the presence of a limp (15%), stiffness (11%), and pain in the hip (8%), but to a lesser degree than hip arthroplasty patients. Control patients were less likely to report pain in the hip (odds ratio [OR] = 0.4, 95% confidence interval [CI] = 0.2-0.7, P = .006), stiffness in the hip (OR = 0.5, 95% CI = 0.3-0.8, P = .02), and a limp (OR = 0.5, 95% CI = 0.3-0.8, P < .001) vs patients undergoing hip arthroplasty.
  
  
  
  When interviewed by an independent third party, a substantial portion of control patients did note the presence of hip symptoms, but to a lesser degree than young, active patients undergoing hip arthroplasty.
authors.affiliation: Department of Orthopedic Surgery, Barnes-Jewish Hospital, Washington University School of Medicine, St. Louis, Missouri.
authors.forename: Denis
authors.initials: D
authors.lastname: Nam
authors.affiliation: Department of Orthopedic Surgery, Barnes-Jewish Hospital, Washington University School of Medicine, St. Louis, Missouri.
authors.forename: Ryan M
authors.initials: RM
authors.lastname: Nunley
authors.affiliation: Center for Hip and Knee Surgery, St. Francis Hospital, Mooresville, Indiana.
authors.forename: Michael E
authors.initials: ME
authors.lastname: Berend
authors.affiliation: Joint Implant Surgeons, New Albany, Ohio.
authors.forename: Keith R
authors.initials: KR
authors.lastname: Berend
authors.affiliation: Joint Implant Surgeons, New Albany, Ohio.
authors.forename: Adolph V
authors.initials: AV
authors.lastname: Lombardi
authors.affiliation: Department of Orthopedic Surgery, Barnes-Jewish Hospital, Washington University School of Medicine, St. Louis, Missouri.
authors.forename: Robert L
authors.initials: RL
authors.lastname: Barrack
mesh_terms: D000328:Adult; D000367:Age Factors; D019644:Arthroplasty, Replacement, Hip; D015444:Exercise; D005260:Female; D006621:Hip Joint / Q000601:surgery; D006801:Humans; D007592:Joint Diseases / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D017060:Patient Satisfaction; D020127:Recovery of Function; D012189:Retrospective Studies; D016896:Treatment Outcome
keywords: controls; function; surface replacement arthroplasty; symptoms; total hip arthroplasty