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De Meneck F, Santana V, Brioschi GC, Haddad DS, Neves EB, Franco MDC, Brioschi ML. Infrared Imaging of the Brain-Eyelid Thermal Tunnel: A Promising Method for Measuring Body Temperature in Afebrile Children. Int J Environ Res Public Health 2023; 20:6867. [PMID: 37835137 PMCID: PMC10572929 DOI: 10.3390/ijerph20196867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/27/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023]
Abstract
(1) Infrared thermography of the inner canthus of the eye has emerged as a promising tool for temperature screening and fever diagnosis. Its non-invasive nature lends itself well to mass screening in diverse settings such as schools, public transport, and healthcare facilities. Swift and accurate temperature assessment plays a pivotal role in the early identification of potential fever cases, facilitating timely isolation, testing, and treatment, thereby mitigating the risk of disease transmission. Nonetheless, the reliability of this approach in the pediatric population, especially when compared to conventional thermometry methods, remains unexplored. This preliminary study aimed to evaluate the concordance between the temperature of the inner canthus of the eye (Tic,eye), referred to as the brain-eyelid thermal tunnel (BTT°), with axillary and tympanic methods in afebrile children. (2) Methods: A cohort of 36 children, matched in a 1:1 ratio for gender and age, underwent comprehensive assessments encompassing anthropometric data, blood pressure evaluations, axillary (Tax) and tympanic (Tty) temperature measurements, as well as BTT° infrared thermography. (3) Results: The findings revealed a high level of concordance among the tympanic, axillary, and BTT° measurement methods. Bland-Altman plots showed that the bias was minimal, and no statistically significant differences were observed when comparing BTT° with axillary (p = 0.136) and tympanic (p = 0.268) measurements. Passing-Bablok regression scatter plots further confirmed the agreement, aligning the fitted regression line closely with the identity line for both axillary versus BTT° and tympanic (Tty) versus BTT° comparisons. (4) Conclusions: This study holds significant implications for public health, especially in the context of infectious disease outbreaks such as COVID-19. BTT° infrared thermography of the inner canthus of the eye (Tic,eye) reliably measures body temperature in afebrile children in controlled settings; nevertheless, its practical application necessitates the adaptation of biothermodynamic parameters to accommodate diverse environmental conditions.
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Affiliation(s)
- Franciele De Meneck
- Division of Nephrology, School of Medicine, Federal University of São Paulo (UNIFESP), São Paulo 04023-062, SP, Brazil
| | - Vinicius Santana
- Division of Psychiatry, School of Medicine, Federal University of São Paulo (UNIFESP), São Paulo 04023-062, SP, Brazil;
| | | | - Denise Sabbagh Haddad
- Faculty of Dentistry, University of São Paulo (FOUSP), São Paulo 05508-000, SP, Brazil;
| | - Eduardo Borba Neves
- Graduate Program in Biomedical Engineering, Federal Technological University of Paraná (UTFPR), Curitiba 80230-901, PR, Brazil;
| | - Maria do Carmo Franco
- School of Medicine, Federal University of São Paulo (UNIFESP), São Paulo 04023-062, SP, Brazil;
| | - Marcos Leal Brioschi
- Faculty of Medicine, University of São Paulo (HCFMUSP), São Paulo 05508-000, SP, Brazil
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De Meneck F, de Souza LV, Brioschi ML, Franco MDC. Emerging evidence for the opposite role of circulating irisin levels and brown adipose tissue activity measured by infrared thermography in anthropometric and metabolic profile during childhood. J Therm Biol 2021; 99:103010. [PMID: 34420640 DOI: 10.1016/j.jtherbio.2021.103010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/11/2021] [Accepted: 05/27/2021] [Indexed: 11/26/2022]
Abstract
Irisin is an adipomyokine that increases browning of adipose tissue and thermogenesis, thereby protecting against obesity and insulin resistance. However, the correlation between irisin, brown adipose tissue (BAT), and childhood obesity, as well as its association with an increased risk of developing metabolic diseases, has not been completely elucidated. This study aimed to investigate the association between irisin levels and BAT activity measured by infrared thermography among children and verify their correlation with anthropometric and metabolic parameters. This study included 42 children with normal weight and 18 overweight/obese children. Anthropometric data, irisin levels, lipid and glucose profile were evaluated. The percentage of the thermally active portion of the supraclavicular area (%AreaSCR) before and after a cold stimulus was measured by infrared thermography, and the differences between the percentages of thermally active (Δ%AreaSCR) was calculated as an index of BAT activation. The results were correlated with anthropometric and metabolic parameters. Circulating irisin levels was positive correlated with age (rho=0.327, P= 0.011), body mass index (BMI) (rho=0.707, P<0.001), waist circumference (rho=0.624, P<0.001), total cholesterol (rho=0.361, P=0.044), triglycerides (rho=0.419, P=0.001), and low-density lipoprotein cholesterol (LDLc) (rho=0.381, P= 0.003). Active BAT was negatively correlated with BMI, waist circumference, triglycerides, LDLc and irisin levels. We observed that normal weight children increased significantly the Δ% AreaSCR as compared to overweight/obese children. In conclusion, circulating irisin levels and BAT activity appear to have opposing roles, since normal weight children had greater BAT activity and lower circulating levels of irisin.
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Affiliation(s)
- Franciele De Meneck
- Division of Nephrology, School of Medicine, Federal University of São Paulo, São Paulo, Brazil
| | | | - Marcos Leal Brioschi
- Division of Neurological Surgery, School of Medicine, University of São Paulo, São Paulo, Brazil
| | - Maria do Carmo Franco
- Division of Nephrology, School of Medicine, Federal University of São Paulo, São Paulo, Brazil.
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Souza LV, de Almeida SS, De Meneck F, Thomazini F, Araujo RC, Franco do MC. Polymorphism of the bradykinin type 2 receptor gene modulates blood pressure profile and microvascular function in prepubescent children. Peptides 2021; 137:170491. [PMID: 33412234 DOI: 10.1016/j.peptides.2020.170491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 12/20/2020] [Accepted: 12/22/2020] [Indexed: 11/20/2022]
Abstract
Previous reports reveal that +9/-9 polymorphism of the bradykinin B2 receptor (BDKRB2) is suggestive of cardiometabolic diseases. The aim of this study was to examine the impact of BDKRB2 + 9/-9 polymorphism genotypes on the blood pressure parameters and microvascular function in prepubescent children. We screened for BDKRB2 + 9/-9 polymorphism in the DNA of 145 children (86 boys and 59 girls), and its association with body composition, blood pressure levels, biochemical parameters, and endothelial function was determined. No significant association of the BDKRB2 genotypes with gender (P=0.377), race (P=0.949) or family history of cardiovascular disease (CVD) (P=0.858) was observed. Moreover, we did not identify any interaction between BDKRB2 genotypes with a phenotype of obesity (P=0.144). Children carrying the +9/+9 genotype exhibited a significant linear trend with higher levels of systolic blood pressure and pulse pressure (P<0.001). Moreover, the presence of +9 allele resulted in a decrease of reactive hyperemia index, showing a decreasing linear trend from -9/-9 to +9/+9, wherein this parameter of endothelial function was the lowest in the +9/+9 children, intermediate in the +9/-9 children, and the highest in the -9/-9 children (P<0.001). There was a significant inverse correlation between reactive hyperemia index and systolic blood pressure (r= - 0.348, P< 0.001) and pulse pressure (r= - 0.399, P< 0.001). Our findings indicate that the +9/+9 BDKRB2 genotype was associated with high blood pressure and microvascular dysfunction in prepubescent Brazilian children.
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Affiliation(s)
- Livia Victorino Souza
- Division of Nephrology, Medicine Department, School of Medicine, Federal University of São Paulo, São Paulo, Brazil
| | | | - Franciele De Meneck
- Division of Nephrology, Medicine Department, School of Medicine, Federal University of São Paulo, São Paulo, Brazil
| | - Fernanda Thomazini
- Division of Translational Medicine, School of Medicine, Federal University of São Paulo, São Paulo, Brazil
| | - Ronaldo Carvalho Araujo
- Biophysical Department, School of Medicine, Federal University of São Paulo, São Paulo, Brazil
| | - Maria Carmo Franco do
- Division of Nephrology, Medicine Department, School of Medicine, Federal University of São Paulo, São Paulo, Brazil.
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Souza LV, De Meneck F, Fernandes T, Oliveira EM, Franco MDC. Physical activity intervention improved the number and functionality of endothelial progenitor cells in low birth weight children. Nutr Metab Cardiovasc Dis 2020; 30:60-70. [PMID: 31753788 DOI: 10.1016/j.numecd.2019.08.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 08/16/2019] [Accepted: 08/20/2019] [Indexed: 01/15/2023]
Abstract
BACKGROUND AND AIMS The purpose of this study was to investigate whether an intervention with physical activity (PA) would promote positive effects on the angiogenic factors, mobilization, and functionality of circulating endothelial progenitor cells (EPCs) in children with low birth weight (LBW). METHODS AND RESULTS Thirty-five children participated in a 10-week PA program (intensity: 75-85% of heart rate reserve, frequency: four times/week, and duration: 45 min). Before and after the PA program, we evaluated anthropometric parameters, blood pressure levels, biochemical profile, number of EPCs, number of EPC colony forming units, and plasma levels of vascular endothelial growth factor-A (VEGF-A), nitric oxide (NO), and matrix metalloproteinases (MMPs) 2 and 9. We found a significant main effect of the PA program on waist circumference (ηp2 = 0.489), cardiorespiratory fitness (ηp2 = 0.463), and MMP-9 (ηp2 = 0.582). Birth weight or the PA program produced significant independent effects on systolic blood pressure (birth weight: ηp2 = 0.431; PA program: ηp2 = 0.615) and EPC colony forming units (birth weight: ηp2 = 0.541; PA program: ηp2 = 0.698) with no significant interactions. The combination of birth weight and the PA program produced a significant interaction effect on the number of circulating EPCs (ηp2 = 0.123), NO (ηp2 = 0.258), and VEGF-A (ηp2 = 0.175). The variation in the number of EPCs from baseline to 10 weeks of the PA program correlated positively with the change in NO (P = 0.002) and VEGF-A (P = 0.004). CONCLUSIONS A 10-week PA program attenuates the adverse effect of LBW on the number and functionality of EPCs; this effect occurs through an improvement in circulating levels of NO and VEGF-A. CLINICAL TRIALS: https://www.clinicaltrials.gov. Unique Identifier: NCT02982967. Date: December/2016.
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Affiliation(s)
- Livia V Souza
- Division of Nephrology, Medicine Department, School of Medicine, Federal University of São Paulo, São Paulo, Brazil
| | - Franciele De Meneck
- Division of Nephrology, Medicine Department, School of Medicine, Federal University of São Paulo, São Paulo, Brazil
| | - Tiago Fernandes
- School of Physical Education and Sport, Biochemistry and Molecular Biology Laboratory, University of São Paulo, São Paulo, Brazil
| | - Edilamar M Oliveira
- School of Physical Education and Sport, Biochemistry and Molecular Biology Laboratory, University of São Paulo, São Paulo, Brazil
| | - Maria do C Franco
- Division of Nephrology, Medicine Department, School of Medicine, Federal University of São Paulo, São Paulo, Brazil.
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Neves EB, Martinez EC, Meneck FD, Reis VM. Superficial thermal response to CrossFit® workout. Motriz: rev educ fis 2020. [DOI: 10.1590/s1980-65742020000400157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
- Eduardo Borba Neves
- Exército Brasileiro, Brazil; Universidade Tecnológica Federal do Paraná (UTFPR), Brazil
| | | | | | - Victor Machado Reis
- Universidade de Trás-os-Montes e Alto Douro, Portugal; Centro de Investigação em Ciências do Desporto, Portugal
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Souza LV, De Meneck F, Oliveira V, Higa EM, Akamine EH, Franco MDC. Detrimental Impact of Low Birth Weight on Circulating Number and Functional Capacity of Endothelial Progenitor Cells in Healthy Children: Role of Angiogenic Factors. J Pediatr 2019; 206:72-77.e1. [PMID: 30798839 DOI: 10.1016/j.jpeds.2018.10.040] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Revised: 09/27/2018] [Accepted: 10/23/2018] [Indexed: 12/14/2022]
Abstract
OBJECTIVE To provide a comprehensive assessment of the relationship of birth weight with both endothelial progenitor cell function and angiogenic factors in children. STUDY DESIGN Anthropometric measures, biochemical profile, endothelial progenitor cell number, endothelial progenitor cell colony-forming units, vascular endothelial growth factor-A, and nitric oxide plasma levels of 58 children aged 7-11 years were determined. RESULTS A positive correlation was observed between birth weight and circulating endothelial progenitor cell number (r= 0.461; P= .001), endothelial progenitor cell colony-forming units (r= 0.512; P < .001), vascular endothelial growth factor-A (r= 0.407; P= .002), and nitric oxide (r= 0.547; P < .001) levels, whereas the adjustment for prematurity, family history of cardiovascular disease, and systolic blood pressure levels did not modify these associations. CONCLUSION Low birth weight was associated with a decrease in the circulating/functional capacity of endothelial progenitor cells among healthy children, independent of traditional cardiovascular risk factors. This detrimental impact was accompanied by lower circulating levels of angiogenic factors.
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Affiliation(s)
- Livia Victorino Souza
- Division of Nephrology, School of Medicine, Federal University of São Paulo, São Paulo, Brazil
| | - Franciele De Meneck
- Division of Nephrology, School of Medicine, Federal University of São Paulo, São Paulo, Brazil
| | - Vanessa Oliveira
- Division of Nephrology, School of Medicine, Federal University of São Paulo, São Paulo, Brazil
| | - Elisa Mieko Higa
- Division of Nephrology, School of Medicine, Federal University of São Paulo, São Paulo, Brazil
| | - Eliana Hiromi Akamine
- Pharmacology Department, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Maria do Carmo Franco
- Division of Nephrology, School of Medicine, Federal University of São Paulo, São Paulo, Brazil.
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Souza LV, Oliveira V, De Meneck F, Grotti Clemente AP, Strufaldi MWL, Franco MDC. Birth Weight and Its Relationship with the Cardiac Autonomic Balance in Healthy Children. PLoS One 2017; 12:e0167328. [PMID: 28095501 PMCID: PMC5240907 DOI: 10.1371/journal.pone.0167328] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 11/11/2016] [Indexed: 01/13/2023] Open
Abstract
Several studies indicate that the fetal environment plays a significant role in the development of cardiometabolic disease later in life. However, a few studies present conflicting data about the correlation between birth weight and the impairment of cardiac autonomic modulation. The purpose of the present study was to provide further knowledge to elucidate this contradictory relationship. One hundred children aged 5 and 14 years had anthropometric parameters, body composition and blood pressure levels determined. Heart rate variability (HRV) was evaluated by heart rate monitoring, including measurements of both the time and frequency domains. The results showed inverse correlation between the HRV parameters with BMI (RMSSD: P = 0.047; PNN50: P = 0.021; HF: P = 0.041), systolic (RMSSD: P = 0.023; PNN50: P = 0.032) and diastolic (PNN50: P = 0.030) blood pressure levels. On the other hand, there were consistent positive correlations between the HRV parameters and birth weight (RMSSD: P = 0.001; PNN50: P = 0.001; HF: P = 0.002). To determine the effect of birth weight on HRV parameters, we perform multivariate linear regression analysis adjusted for potentially confounding factors (prematurity, gender, age, BMI, physical activity index and SBP levels). These findings were preserved even after adjusting for these confounders. Our results suggested that impaired cardiac autonomic modulation characterized by a reduction in the parasympathetic activity occurs in children with low birth weight. One possible interpretation for these data is that a vagal withdrawal, rather than a sympathetic overactivity, could precede the development of hypertension and other cardiometabolic diseases in children with low birth weight. However, long-term studies should be performed to investigate this possibility.
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Affiliation(s)
| | - Vanessa Oliveira
- Nephrology Division, Federal University of São Paulo, São Paulo, Brazil
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