Temperature and Symptoms in Osteoarthritic Knees
Author Information
Author(s): De Marziani Luca, Zanasi Lorenzo, Roveda Giacomo, Boffa Angelo, Andriolo Luca, Di Martino Alessandro, Zaffagnini Stefano, Filardo Giuseppe
Primary Institution: IRCCS Istituto Ortopedico Rizzoli
Hypothesis
Does the temperature of osteoarthritic knees correlate with the severity of symptoms and joint degeneration?
Conclusion
The study found that higher temperatures in osteoarthritic knees are associated with more severe symptoms and joint degeneration.
Supporting Evidence
- Patients with higher OA grade in symptomatic knees had higher total knee temperatures.
- Symptomatic knees showed different temperature patterns compared to asymptomatic knees.
- Pain localization in the lateral knee area was associated with higher temperature differences.
Takeaway
This study shows that if your knee hurts more, it might also feel warmer because of the damage inside it.
Methodology
Patients with bilateral knee osteoarthritis were analyzed using infrared thermography to measure knee temperatures.
Potential Biases
Potential biases due to exclusion criteria and the lack of inflammatory biomarker analysis.
Limitations
The sample size may limit subgroup analysis, and only anterior views were used for thermal assessments.
Participant Demographics
66 patients, 48 men and 18 women, aged 43 to 78 years (mean age 63.3).
Statistical Information
P-Value
p=0.002
Confidence Interval
95% CI 0.085–0.366
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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