The Association between Dietary Magnesium Intake and Magnetic Resonance Parameters for Knee Osteoarthritis

Nicola Veronese, Luciana La Tegola, Maria Gabriella Caruso, Stefania Maggi, Giuseppe Guglielmi

Research output: Contribution to journalArticle

Abstract

The aim of the study was to evaluate the relationship between dietary magnesium (Mg) intake and prevalence of knee osteoarthritis (OA), a topic poorly explored in the literature. Overall, 783 people participating in the Osteoarthritis Initiative (59.8% females; mean age: 62.3 years) and having an MRI assessment were enrolled in this cross-sectional study. Mg intake was measured with a semi-quantitative food frequency questionnaire, and its association with knee OA was evaluated for an increased intake of 100 mg/day. Using an adjusted linear regression analysis, a higher Mg intake (i.e., increase of 100 mg/day) corresponded to a significant increase in mean cartilage thickness, cartilage volume at medial tibia, cartilage volume and mean cartilage thickness at central medial femur, and cartilage volume and mean cartilage thickness in the central medial tibiofemoral compartment. In conclusion, an increased Mg dietary intake is associated with a better knee cartilage architecture, also when adjusting for potential confounders, suggesting a potential role of Mg in the prevention and treatment of knee OA.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
JournalNutrients
Volume11
Issue number6
DOIs
Publication statusPublished - Jun 20 2019

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