Clinical and radiographic outcomes of total shoulder arthroplasty with a partially cemented all-polyethylene pegged bone-ingrowth glenoid component: a systematic review

Michael Alexander Malahias, Lazaros Kostretzis, Ioannis Gkiatas, Efstathios Chronopoulos, Emmanouil Brilakis, Emmanouil Antonogiannakis

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Several articles have been published reporting on the clinical performance of a novel pegged, all-polyethylene glenoid component design which features a central peg, circumferentially fluted, interference-fit peg for tissue integration and three small peripheral pegs for cementing. However, no systematic review exists to this date. Methods: The US National Library of Medicine (PubMed/MEDLINE), EMBASE, and the Cochrane Database of Systematic Reviews were queried for publications up to May 2020. Results: Overall, 13 articles were included for analysis (560 operated shoulders, range of mean follow-up: 2–6 years). The survival rate was 98.2% (550 out of 560 cases), while the rate of aseptic loosening was 0.2% (1 out of 560 cases). There were 139 cases (out of 399 reported; 34.1%) with peri-glenoid radiolucency, and 35 cases (out of 223 reported; 15.7%) of asymptomatic central peg osteolysis, with 1 of them undergoing revision. Conclusions: There was fair quality of evidence to show that partially cemented all-polyethylene pegged bone-ingrowth glenoid components produce promising results, with a low revision rate in the short- to medium-term follow-up. Nevertheless, this analysis showed high rates of both radiolucency of the glenoid component and osteolysis around the central peg which raise concern for potential failure of this glenoid component in the long-term follow-up. Level of evidence: Systematic review, IV.

Original languageEnglish (US)
JournalShoulder and Elbow
DOIs
StateAccepted/In press - 2020
Externally publishedYes

Keywords

  • Shoulder arthroplasty
  • bone ingrowth
  • cementless fluted pegged glenoid component
  • radiolucency
  • survival

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation
  • Surgery
  • Rehabilitation

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