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Cell therapies for chondral defects of the talus: a systematic review

Authors
  • Migliorini, Filippo
  • Eschweiler, Jörg
  • Goetze, Christian
  • Pastor, Torsten
  • Giorgino, Riccardo
  • Hildebrand, Frank
  • Maffulli, Nicola
Type
Published Article
Journal
Journal of Orthopaedic Surgery and Research
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Jun 11, 2022
Volume
17
Identifiers
DOI: 10.1186/s13018-022-03203-4
PMID: 35690865
PMCID: PMC9188715
Source
PubMed Central
Keywords
Disciplines
  • Systematic Review
License
Unknown

Abstract

Background This systematic review investigated the efficacy and safety of surgical procedures augmented with cell therapies for chondral defects of the talus. Methods The present systematic review was conducted according to the 2020 PRISMA guidelines. PubMed, Google scholar, Embase, and Scopus databases were accessed in March 2022. All the clinical trials investigating surgical procedures for talar chondral defects augmented with cell therapies were accessed. The outcomes of interest were to investigate whether surgical procedures augmented with cell therapies promoted improvement in patients reported outcomes measures (PROMs) with a tolerable rate of complications. Results Data from 477 procedures were retrieved. At a mean follow-up of 34.8 ± 9.7 months, the Visual Analogic Scale (VAS) improved of 4.4/10 ( P = 0.002) and the American Orthopaedic Foot and Ankle Score (AOFAS) of 31.1/100 ( P = 0.0001) points. No improvement was found in Tegner score ( P = 0.4). Few articles reported data on complications. At last follow-up, the rate of reoperation and failure were 0.06% and 0.03%, respectively. No graft delamination or hypertrophy was observed. Conclusion The current evidence suggests that cell therapies may be effective and safe to enhance surgical procedures for chondral defects of the talus. These results should be considered within the limitations of the present study. The current literature should be enriched with randomized controlled clinical trials with larger population size and longer follow-up.

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