Osteoarthritis

Prevalence and classification of meniscal calcifications in the human knee

Osteoarthritis CartilagePublished Cross-sectional study

Authors' conclusion

The presence of BCP was predominant in menisci of OA individuals, whereas CPP exhibited similar prevalence in individuals with and without OA.

Study context

Population
Human subjects with and without knee osteoarthritis (OA); meniscal posterior horn samples (medial and lateral)82 meniscal samples
Participants
41 subjects
Exposure
Individuals with knee OA vs deceased donors without known knee OA
  • OAn = 20
  • Donorsn = 21reference
Outcome
Occurrence of meniscal calcifications (basic calcium phosphate (BCP) and CPP)
Methodological detailshistology, Raman spectroscopy
  • Histology
  • Raman spectroscopy

Main finding

As reported in the abstract

Calcifications in at least one meniscus

OA

All

Donors

9.5%

95% CI 1%–30%

Observational data: associations, not effects.

Further findings

OutcomeOR (95% CI)
Association of Pauli score with BCP presence (OA individuals)2.1 (0.8–5.3)
Association of Pauli score with CPP presence (whole sample)1.3 (1.1–1.7)
OutcomeOADonors
Calcification type among calcified menisci
BCP28(80%)— not stated in the abstract
CPP5(14%)3(75%)
Both types2(6%)1(25%)

— not stated in the abstract

Original publication

Prevalence and classification of meniscal calcifications in the human knee. Osteoarthritis Cartilage. Published 6 August 2024. doi:10.1016/j.joca.2024.07.013

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