The Use of a Synthetic Cartilage Implant for Hallux Rigidus: A Systematic Review

Niall A. Smyth, Christopher D. Murawski, Charles P. Hannon, Jonathan R. Kaplan, Amiethab A. Aiyer

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations

Abstract

Background. Hallux rigidus is a common pathology afflicting the foot, for which various joint salvage techniques have been described with a multitude of different implants. Recently, a synthetic cartilage implant composed of polyvinyl alcohol (PVA) received FDA premarket approval for the treatment of arthritis of the great toe. The purpose of this study was to (1) systematically review the clinical evidence supporting the use of a PVA implant in hallux rigidus and (2) determine the strength of the recommendation that can be made supporting the use of a PVA implant by evaluating the quality of evidence available. Methods. A systematic review was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis. Using the terms “cartiva OR polyvinyl alcohol OR synthetic cartilage OR hemiarthroplasty AND hallux rigidus OR great toe arthritis OR first toe arthritis” we searched the PubMed/Medline database. The quality of the included studies was evaluated using the American Academy of Orthopaedic Surgeons Clinical Practice Guideline and Systematic Review Methodology. Results. Seven studies met the inclusion criteria, 6 of these were derived from a single randomized controlled trial. A moderate recommendation can be given for the use of a PVA implant for hallux rigidus based on short-term outcomes. A limited recommendation can be given for the use of a PVA implant for hallux rigidus based on mid-term outcomes. Conclusion. There are limited studies available detailing the outcomes of a PVA implant for hallux rigidus; however, the results that are available demonstrate a high level of evidence. Levels of Evidence: Level I: Systematic review

Original languageEnglish
Pages (from-to)366-371
Number of pages6
JournalFoot and Ankle Specialist
Volume14
Issue number4
DOIs
StatePublished - Aug 2021

Keywords

  • cartiva
  • hallux rigidus
  • polyvinyl alcohol
  • systematic review

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