Failure of the Glenoid Component in Anatomic Total Shoulder Arthroplasty

Abstract

This is the first systematic review of the published evidence on glenoid component failure. Although the authors of individual articles proposed various risk factors for glenoid component failure, many of these relationships were not significant in the present study. A consistent methodological approach to future investigations is likely to improve the quality of the evidence on which patients, techniques, and prostheses are selected for total shoulder arthroplasty.

Planning software and patient-specific instruments in shoulder arthroplasty

“…Subsequent symptomatic glenoid component loosening and component revision occurred at 1.2 and 0.8 % per year, respectively [32]. Metal-backed glenoid components have higher complications compared to all polyethylene components, consequently cemented all-polyethelene components have become the implant of choice for most surgeons [31,32]. Revision shoulder arthroplasty universally leads to poorer outcomes when compared to the outcomes after a primary anatomic total shoulder arthroplasty, emphasizing the importance of getting the glenoid component correct at the primary surgical procedure [31,33].…”

“…In anatomic total shoulder arthroplasty, the glenoid component accounts for 24 % of all complications [31]. In addition, a recent systematic review demonstrated that asymptomatic radiolucent lines appeared at a rate of 7.3 % per year after primary TSA [32]. Subsequent symptomatic glenoid component loosening and component revision occurred at 1.2 and 0.8 % per year, respectively [32].…”

“…In addition, a recent systematic review demonstrated that asymptomatic radiolucent lines appeared at a rate of 7.3 % per year after primary TSA [32]. Subsequent symptomatic glenoid component loosening and component revision occurred at 1.2 and 0.8 % per year, respectively [32]. Metal-backed glenoid components have higher complications compared to all polyethylene components, consequently cemented all-polyethelene components have become the implant of choice for most surgeons [31,32].…”

Benefit of intraoperative navigation on glenoid component positioning during total shoulder arthroplasty

“…However, symptomatic loosening and surgical revision occurred at roughly 1 % per year [23]. The most common reason for failure and revision of total shoulder replacement is failure of the glenoid component [18].…”

Rocking-horse phenomenon of the glenoid component: the importance of inclination

“…Symptomatic glenoid loosening is seen at a rate of 1.2% per year, and surgical revision at 0.8% per year. 17 The risk ratio for revision of radiolucent lines amounts 0.27, with a higher risk for keeled than for pegged components. 23 Moreover, metal-backed prostheses have a higher rate of failure than all-polyethylene components.…”