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Prolonged knee bending in the form of stair climbing, kneeling, squatting, heavy lifting found to be associated with Hoffa synovitis prevalence in patients with osteoarthritis or at risk of it.
According to a recent analysis published in the journal Arthritis
Care & Research, out of various knee bending forms among the individuals
with knee osteoarthritis (OA), only prolonged kneeling showed a correlation
with Hoffa‐synovitis prevalence on non‐contrast magnetic resonance imaging MRI.
A total of 594 subjects of age 1.5 ± 8.9 years and 30.7 ± 4.8
kg/m2 BMI selected to extract the data. A standard questionnaire and MRI
OsteoArthritis Knee Scoring system were used to estimate knee-bending
activities and the severity of Hoffa‐synovitis and effusion‐synovitis,
respectively. The unadjusted and adjusted metabolic syndrome and physical
activity logistic regression were applied for each sex. The synovitis prevalence
was defined as a grade ≥2 cut‐off by grade ≥1, implemented in sensitivity
analyses
A total of 62% and 59% of patients exhibited the grade ≥1
effusion‐synovitis and Hoffa‐synovitis. Only kneeling for ≥30 minutes during a
single day was noticed to be related to grade ≥1 Hoffa‐synovitis prevalence
after adjusting for confounders. More odds for prevalent Hoffa‐synovitis was
seen among subjects who engaged in this activity for one day or less per week
than who did not perform the activity. No other considerable relationships were
noticed. Sensitivity analyses also determined similar outcomes. Therefore, only
kneeling shows associations with synovitis.
Arthritis Care & Research
Repetitive knee bending and synovitis in people at risk and with knee osteoarthritis: Data from the FNIH Osteoarthritis Biomarkers Consortium.
Ans Van Ginckel et al.
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