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A systematic review on the role of infrared thermography in the Brown adipose tissue assessment |
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| Authors: | Brasil Sérgio Renck Alessandra C. de Meneck Franciele Brioschi Marcos L. Costa Elaine F. Teixeira Manoel J. |
| Affiliation: | 1.Division of Neurological Surgery. Hospital das Clínicas, School of Medicine, University of S?o Paulo, S?o Paulo, Brazil ;2.Department of Endocrinology, School of Medicine, University of S?o Paulo, S?o Paulo, Brazil ;3.Department of Nephrology, School of Medicine, Federal University of S?o Paulo, S?o Paulo, Brazil ; |
| Abstract: | Brown adipose tissue (BAT) is an endocrine adipose tissue with attributes to dissipate energy as heat in response to changes in temperature and diet. Infrared thermography (IRT) has been studied in recent years in the assessment of BAT thermogenesis, as an option to positron emission tomography - computed tomography (PET-CT), because of several advantages. We performed a systematic review on the use of IRT in BAT assessment. Comprehensive online search was performed in different databases. The QUADAS 2 tool was used to evaluate studies’ quality. 12 studies fit the inclusion criteria, whereas only one of these was considered of low risk of bias. 10 studies were favorable to IRT appliance in BAT evaluation, observing elevation of supraclavicular skin temperature correlated with BAT activity. Studies were heterogeneous in design, and a meta-analysis was precluded. Further studies with similar methodologies are needed. Conclusion: Despite the large number of published methodologies, IRT is a promising method for detecting BAT activation. Current knowledge already allows a better understanding of thermography to improve and standardize the technique. |
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