Ceramic On Ceramic Hip Replacement Squeaking

Owen dh russell nc smith pn walter wl.

Ceramic on ceramic hip replacement squeaking.

The exact cause of the squeaking is unknown but stripe wear found on used ceramic parts suggests that the noise may begin when these parts rub together. Severe squeaking after ceramic on ceramic hip replacement with a blade stem. Squeaking from ceramic on ceramic hip replacements had been a subject of public media attention prior to the start of the study. Every hip can impinge at some point at extremes of movement.

Some patients who have received artificial hips with ceramic components have complained that the hips make a squeaking sound. Ninety four percent of control hips were in a range of 25 degrees 10 degrees anteversion and 45 degrees 10 degrees inclination but only 35 of squeaking hips were in this range p 0003. The cause of squeaking from a ceramic articulation is thought to be related to metal particle transfer onto the ceramic or if there is a lack of fluid lubrication around the hip. Recently squeaking in ceramic on ceramic hip replacement has been noted with increasing prevalence.

Jarrett et al 1 collected data on 149 alumina on alumina thrs in 143 patients with an average. A meta analysis and report from the australian orthopaedic association national joint registry bone joint j. Audible squeaking in total hip replacements with ceramic on ceramic bearings is a rare problem. Acetabular component orientation was compared for 17 squeaking hips and 17 matched controls.

Audible squeaking in total hip replacements with ceramic on ceramic bearings is a rare problem. Therefore in order to avoid response bias patients were with irb approval told the study was an evaluation of general outcomes of patients after hip replacement surgery. Ninety four percent of control hips were in a range of 25 10 anteversion and 45 10 inclination but only 35 of squeaking hips were in this range p 0003. The present study aimed to review the characteristics and influencing factors of squeaking after ceramic on ceramic coc total hip arthroplasty tha and to analyze the possible mechanisms of the audible noise.

Acetabular component orientation was compared for 17 squeaking hips and 17 matched controls. The articles selected for review were original. There is wide variation in the rates of squeaking in ceramic on ceramic hip implants in the literature but meta analyses generally put it in the region of about 4 said stephen key from the.