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Pediatric Joint Inflammation Detection Using Smartphone-Based Infrared Thermography: A Prospective Study.
Meraj Alam Siddiqui1, Esra Baskın2, Meriç Yavuz Çolak3
1Department of Pediatrics, Baskent University Faculty of Medicine, Ankara, Turkey.
Clinical Pediatrics
|July 6, 2025
Summary
Smartphone infrared thermography shows promise for detecting joint inflammation in children with rheumatic diseases. Higher temperatures in affected joints indicate arthritis, aiding noninvasive diagnosis in pediatric rheumatology.
Area of Science:
- Pediatric Rheumatology
- Medical Imaging
- Biomedical Engineering
Background:
- Rheumatic diseases pose diagnostic challenges in pediatric patients.
- Early and accurate detection of joint inflammation is crucial for effective treatment.
- Noninvasive diagnostic tools are highly desirable in pediatric care.
Purpose of the Study:
- To evaluate the efficacy of smartphone-based infrared thermography for identifying joint inflammation in pediatric rheumatic diseases.
- To compare thermal patterns in affected joints of patients with healthy controls.
- To assess the correlation between joint temperature and the likelihood of arthritis.
Main Methods:
- Utilized smartphone-based infrared thermography to capture joint surface temperatures.
- Analyzed maximum (T-max) and average (T-ave) temperatures in knees and ankles.
- Employed logistic regression to determine the association between temperature increases and arthritis diagnosis.
- Compared thermal data from pediatric patients with rheumatic diseases to healthy controls.
Main Results:
- Arthritis patients exhibited significantly higher T-max and T-ave in affected joints compared to controls.
- Affected knees showed higher T-max (34.25 ± 1.34°C) than unaffected knees (32.70 ± 1.14°C, P = .002).
- A 1°C increase in knee T-ave elevated arthritis likelihood by ~17.96 times (P < .0005); ankle T-ave by ~5.11 times (P < .0005).
Conclusions:
- Smartphone-based infrared thermography is a viable, noninvasive method for detecting joint inflammation in pediatric rheumatology.
- This technology offers a promising adjunct for the early diagnosis and management of rheumatic diseases in children.
- Further research can explore its integration into routine pediatric rheumatology practice.
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