Resting metabolic rate: a comparison between different measurement methods used in male university students

Marques, Déborah Cristina de Souza; Coelho, Andressa Alves; Oliveira, Fabiano Mendes de; Souza, Marilene Ghiraldi de; Ferrari, Ariana; Mariano, Isabela Ramos; Branco, Bráulio Henrique Magnani

doi:10.1007/s11332-020-00727-2

Cited by 7 publications

(2 citation statements)

References 38 publications

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“…Body composition assessment was performed using a tetrapolar electrical bioimpedance (BIA) (InBody 570 ® , Biospace Co. Ltd., Seoul, Korea) with eight tactile points and a capacity of 250 kg with an accuracy of 100 g. The volunteers were instructed to 1) fast for 4 h; 2) not to ingest liquids, including caffeine and water; 3) to abstain from the use of alcoholic beverages 2 days before the evaluations; 4) to stop exercising the day before the test; 5) to urinate 30 min before the evaluation and 6) to not wear metals on the body (Branco et al, 2019). In line with previous studies, the laboratory temperature was maintained at 24 °C (Heyward, 1996;de Souza Marques et al, 2021).…”

Section: Anthropometry and Body Compositionmentioning

confidence: 99%

Body composition and cardiorespiratory fitness in overweight or obese people post COVID-19: A comparative study

et al. 2022

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The present study aimed to evaluate the body composition and cardiorespiratory fitness of overweight or obese people after COVID-19. 171 volunteers of both sexes (men, n = 93 and women, n = 78) between 19 and 65 years old were allocated into three groups according to the severity of their symptoms of COVID-19: non-hospitalized people/mild symptoms (n = 61), hospitalized (n = 58), and hospitalized in an intensive care unit-ICU (n = 52). Two laboratory visits were carried out 24 h apart. First, a medical consultation was carried out, with subsequent measurement of body weight and height (calculation of body mass index) and body composition assessment via electrical bioimpedance. After 24 h, a cardiorespiratory test was performed using the Bruce protocol, with a direct gas exchange analysis. Hospitalized individuals had significantly higher values for fat mass and body fat percentage than non-hospitalized individuals (p < 0.05). Significantly higher values were found for heart rate (HR) and peak oxygen consumption (VO2peak) for individuals who were not hospitalized when compared to those hospitalized in the ICU (p < 0.05). Significantly higher values for distance, ventilation, and the relationship between respiratory quotient were found for non-hospitalized individuals compared to hospitalized individuals and those in the ICU (p < 0.05). After the cardiorespiratory test, higher values for peripheral oxygen saturation (SpO2) were observed for non-hospitalized individuals than for all hospitalized individuals (p < 0.05). Diastolic blood pressure was significantly higher at the tenth and fifteenth minute post-Bruce test in hospitalized than in non-hospitalized participants (p < 0.05). Based on these results, proposals for cardiopulmonary rehabilitation are indispensable for hospitalized groups considering the responses of blood pressure. Monitoring HR, SpO2, and blood pressure are necessary during rehabilitation to avoid possible physical complications. Volume and intensity of exercise prescription should respect the physiologic adaptation. Given lower physical conditioning among all the groups, proposals for recovering from health conditions are urgent and indispensable for COVID-19 survivors.

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Section: Anthropometry and Body Compositionmentioning

confidence: 99%

Body composition and cardiorespiratory fitness in overweight or obese people post COVID-19: A comparative study

et al. 2022

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“…49% destes artigos reportaram diferenças significativas dos resultados das EP mais comuns face à CI. Entre as equações mais comuns as EP MSJ, CUN e WHO apresentaram mais estudos com melhores resultados, 32%, 27% e 23% respetivamente(36,(39)(40)(41)(42)(43)(44)(48)(49)(50)(51)(52)(53)(54)(55)(56)(57)(58)(59)(60)(61)(62)(63)(64)(65)(66).Salienta-se que dos 37 estudos, 9 incluíram atletas o que poderá ter contribuido para melhores resultados da equação CUN, que tem em consideração a composição corporal (massa livre de gordura).38% destes estudos propuseram e/ou validaram novas EP desenvolvidas especificamente para essa população, verificando-se que em 64% das situações estas apresentavam melhores resultados. No decurso da pesquisa bibliográfica foram encontrados 4 estudos aplicados a populações de origem Portuguesa, o primeiro em 2012 sobre as necessidades nutricionais em doentes críticos (15).…”

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As necessidades energéticas basais medidas por calorimetria indireta versus equações preditivas. A avaliação da população portuguesa justifica-se?

Mustra,

Helena Vieira Soares Loureiro

2023

Acta Port Nutr

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INTRODUÇÃO: O gasto de energia em repouso ou necessidade energética basal é o maior componente da necessidade energética total de um indivíduo, usada no desenvolvimento de um plano nutricional adequado e pode ser medido aplicando o método de calorimetria indireta, considerado o gold standard desta determinação. Na sua ausência esta componente pode ser estimada recorrendo a equações preditivas, cuja aplicação é prática, económica e de fácil utilização, mas com limitações e questões relacionadas com a sua precisão. OBJETIVOS: Pretende-se avaliar quais as equações mais utilizadas para cálculo da necessidade energética basal, identificar os estudos desenvolvidos em populações Portuguesas e nos estudos realizados em populações adultas sem patologias conhecidas, aferir qual a diferença de resultados entre métodos. METODOLOGIA: Foi realizada uma revisão narrativa da literatura desde 2011 procurando publicações que comparam resultados de necessidade energética basal obtidos por calorimetria indireta e por diferentes equações preditivas, recorrendo às bases de dados Web of Science e PubMed. RESULTADOS: Foram selecionadas 311 publicações e após leitura dos resumos, 201 cumpriram os critérios de inclusão. Destas, 4 aplicam-se à população Portuguesa. Nos 201 artigos incluidos, a equação centenária de Harris-Benedict foi a mais aplicada (74%), seguida pela Food and Agriculture Organization of the United Nations/World Health Organization/United Nations University (49%) e em terceiro lugar surge a de Mifflin-St. Jeor (45%). Nos estudos que incluiam populações adultas sem patologias conhecidas (n=37), 49% reportaram desvios significativos dos resultados das equações preditivas mais comuns face à calorimetria indireta e 64% apresentaram diferenças menores quando utilizam equações preditivas desenvolvidas especificamente para essa população. CONCLUSÕES: Metade dos estudos realizados em populações adultas sem patologias conhecidas, incluidos nesta revisão, referem diferenças significativas entre os resultados das necessidades energéticas basais aplicando as equações preditivas mais comuns e as medições por calorimetria indireta. Facto que conduz ao crescente desenvolvimento de novas equações preditivas adaptadas a essas populações e a aplicação de novas soluções no seu desenvolvimento, como é exemplo a inteligência artificial. O constante aumento de estudos sobre este tema propondo novas equações preditivas, torna crucial a sistematização desta informação e a criação de guidelines que conduzam à seleção do método mais adequado e adaptado às diferentes populações, nomeadamente à população Portuguesa sobre a qual existe escassez de resultados.

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Nasal breathing: a neglected factor in metabolic regulation?

de Sousa,

Correia,

Ferreira

et al. 2024

Eur Arch Otorhinolaryngol

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Purpose Nasal breathing (NB) is a fundamental physiological process, and emerging research indicates its potential role in modulating resting metabolism, impacting energy expenditure and metabolic efficiency. This study investigates the impact of NB on resting metabolic rate (RMR), offering novel insights into metabolic regulation. Methods A prospective study was conducted on patients undergoing nasal surgery, with measurements taken before and 3 months after surgery. Metabolic rate assessments, anthropometric dimensions, and peak nasal inspiratory flow (PNIF) were recorded. Factors like age, sex, and health status were considered to control for confounding variables. Results A total of 83 patients were initially enrolled: 17 underwent septorhinoplasty (SRP), 61 septoplasty (ST) and 5 inferior turbinate reduction alone. 72 patients completed the follow-up. SRP patients exhibited significantly higher pre- and post-operative RMR compared to ST patients (p = 0.005), and this association was not observed when PNIF was included in the analysis (p > 0.05). Pre-operative and post-operative PNIF values significantly correlated with pre-operative and post-operative RMR (p = 0.049 and p = 0.005, respectively). Post-operative PNIF predicted post-operative RMR after confoundment adjustment in linear regression (β = – 0.043, p = 0.017). Importantly, total body weight increased after surgery (pre-op: 74 ± 14.6 kg versus post-op: 75.6 ± 15.5 kg, p < 0.001) due to an increment in muscle mass (pre-op: 52.3 ± 12 versus post-op: 55.5 ± 14, p < 0.01). Conclusion Preliminary analysis suggests a potential link between NB and RMR, emphasizing the overlooked role of nasal respiratory physiology in energy homeostasis. Surgery also elicited body composition alterations. Further research is needed to uncover the underlying mechanisms of this association. Understanding the impact of NB on RMR could underscore its significance in metabolic regulation, reinforcing the importance of nasal surgery on overall health. This study provides foundation for future investigations.

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Resting metabolic rate: a comparison between different measurement methods used in male university students

Cited by 7 publications

References 38 publications

Body composition and cardiorespiratory fitness in overweight or obese people post COVID-19: A comparative study

Body composition and cardiorespiratory fitness in overweight or obese people post COVID-19: A comparative study

As necessidades energéticas basais medidas por calorimetria indireta versus equações preditivas. A avaliação da população portuguesa justifica-se?

Nasal breathing: a neglected factor in metabolic regulation?

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