期刊
JOURNAL OF CLINICAL MEDICINE
卷 8, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/jcm8020260
关键词
obesity in females; infrared thermography; regional skin temperature; oral glucose tolerance test (OGTT)
Obesity is recognized as a major public health issue, as it is linked to the increased risk of severe pathological conditions. The aim of this pilot study is to evaluate the relations between adiposity (and biophysical characteristics) and temperature profiles under thermoneutral conditions in normal and overweight females, investigating the potential role of heat production/dissipation alteration in obesity. We used Infrared Thermography (IRT) to evaluate the thermogenic response to a metabolic stimulus performed with an oral glucose tolerance test (OGTT). Thermographic images of the right hand and of the central abdomen (regions of interests) were obtained basally and during the oral glucose tolerance test (3 h OGTT with the ingestion of 75 g of oral glucose) in normal and overweight females. Regional temperature vs BMI, % of body fat and abdominal skinfold were statistically compared between two groups. The study showed that mean abdominal temperature was significantly greater in lean than overweight participants (34.11 +/- 0.70 degrees C compared with 32.92 +/- 1.24 degrees C, p < 0.05). Mean hand temperature was significantly greater in overweight than lean subjects (31.87 +/- 3.06 degrees C compared with 28.22 +/- 3.11 degrees C, p < 0.05). We observed differences in temperature profiles during OGTT between lean and overweight subjects: The overweight individuals depict a flat response as compared to the physiological rise observed in lean individuals. This observed difference in thermal pattern suggests an energy rate imbalance towards nutrients storage of the overweight subjects.
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