Correlation of spirometry with the six-minute walk test in eutrophic and obese individuals

Gontijo, Patrícia Lúcia; Lima, Tiago Pessoa; Costa, Thaís Ribeiro; Reis, Ederson Paulo dos; Cardoso, Flávia Perassa de Faria; Neto, Florêncio Figueiredo Cavalcanti

doi:10.1016/s2255-4823(11)70081-9

Cited by 9 publications

(10 citation statements)

References 17 publications

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“…Greater consistency has been noted in the literature regarding FEV 1 /FVC ratios. Other authors found that this variable was reduced in obese patients, a finding consistent with that of our study [ 20 , 24 , 25 ].…”

Section: Discussionsupporting

confidence: 93%

“…Forced expiratory flow reduction among obese subjects may be explained primarily by compromised lung mechanics as a result of the extra load that adipose tissue imposes upon the ribcage, a phenomenon supported by other literature articles [ 23 , 25 , 27 ]. However, a study involving 64 obese subjects with an average age of 12 years noted only three individuals with obstruction abnormalities [ 28 ], and another study that included 22 obese subjects between two and 20 years of age noted only one child with flow obstruction [ 29 ].…”

Section: Discussionmentioning

confidence: 62%

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The relationship between physical functional capacity and lung function in obese children and adolescents

et al. 2014

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BackgroundThere is no consensus regarding obesity repercussions for lung function in children and adolescents. Therefore, the aim of the study was to determine whether obesity is associated with poor physical conditioning and damaged lung function in children and adolescents, and to correlate lung function with six-minute walk test (6MWT) results.MethodsThis cross-sectional study included 38 obese subjects of both sexes, ranging between 5 and 17 years of age, as well as 56 control subjects paired by sex and age for the 6MWT, and 39 subjects for spirometry. Subjects performed spirometry according to the guidelines of the American Thoracic Society (ATS) and the European Respiratory Society. The obese group repeated spirometry after receiving bronchodilator (BD) treatments. Physical performance was evaluated via the 6MWT according to ATS guidelines.ResultsThe obese group demonstrated lower forced expiratory volumes in the first second compared with the control group based on forced vital capacity indices (p < 0.01), findings consistent with airway obstruction in 36.8% of patients in the obese group. Walking distances were shorter in the obese group than in the control group. Changes in lung function did not correlate directly with performance on the 6MWT among obese patients. However, there was a correlation between lung function and variables indicative of effort during exercise.ConclusionIn the present study, the obese group walked shorter distances and demonstrated lower values in some markers of lung function. However, there is no relationship between their physical conditions and these test results. Therefore, we cannot conclusively state that poor physical performance results from damaged pulmonary function.Electronic supplementary materialThe online version of this article (doi:10.1186/1471-2466-14-199) contains supplementary material, which is available to authorized users.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionmentioning

confidence: 62%

The relationship between physical functional capacity and lung function in obese children and adolescents

et al. 2014

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“…In our evaluation of ventilatory disorders, we found a higher prevalence of restrictive disorders (23%), which represents a certain unanimity among the studies, according to a large literature [7] [30], which supports our findings of obstructive ventilatory disorders in 18% of participants. It should be noted, however, that none of those evaluated had, according to anamnesis collected, a previous history of respiratory clinical disorders, which indicates the asymptomatic nature of these alterations.…”

Section: Discussionsupporting

confidence: 88%

“…One of the most practical and performed functional evaluations in pulmonology is the pulmonary function test, which allows quantifying airflow during forced respiratory incursions and identifies restrictive and/or obstructive airway disorders [7] [8] [9] [10] [11]. In the obese population, a large part of studies indicate a relation between restrictive disorders and an increase in BMI, with obstructive disorders-in theory-reserved for special conditions, such as asthma and obstructive sleep apnea [12].…”

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confidence: 99%

Evaluation of Pulmonary Function in Adults with Grade III Obesity

Silva¹,

Sanchez²,

Souza³

et al. 2017

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Pulmonary function studies in obese individuals have alerted the pathophysiological changes due to weight gain. However, these changes are not fully explained yet. Objective: To evaluate and analyze the pulmonary function of obese adults in the city of Manaus (AM, Brazil) and to correlate the parameters of spirometry with weight and BMI. Method: A descriptive cross-sectional study, in which pulmonary function of 22 adults with grade III obesity was evaluated pre and post bronchodilator administration, performed at the Adriano Jorge Hospital Foundation-FHAJ. Results: Of the 22 patients evaluated, 6 were male and 16 were female; mean age was 37.1 ± 7.4 years, with a weight of 134.2 ± 28.6 kg and a BMI of 51.1 ± 9.4 kg/m 2 , corresponding to grade III obesity. Spirometry showed a reduction in values obtained from Forced Vital Capacity (FVC), Forced Expiratory Volume in the first second (FEV1) and Peak Expiratory Flow (PEF) in relation to those predicted, with 23% of restrictive disorders. There were negative correlations between BMI and PEF, weight and FVC, weight and PEF. The P value for correlation of weight and FEV1 is not statistically significant. Conclusion: Restrictive and obstructive disorders are prevalent in the population with grade III obesity. Correlations between pulmonary function and BMI/weight were negative for this specific population.

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“…However, the OSAS patients evaluated in that study were of normal weight, unlike those in our sample, all of whom were obese. Likewise, Gontijo et al, (26) studying obese individuals who did not present OSAS, obtained spirometric values within the limits of normality. The authors concluded that obesity would not be a factor associated with impairment of lung function.…”

Section: Discussionmentioning

confidence: 88%

Correlation of lung function and respiratory muscle strength with functional exercise capacity in obese individuals with obstructive sleep apnea syndrome

et al. 2018

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Correlation of spirometry with the six-minute walk test in eutrophic and obese individuals

Cited by 9 publications

References 17 publications

The relationship between physical functional capacity and lung function in obese children and adolescents

The relationship between physical functional capacity and lung function in obese children and adolescents

Evaluation of Pulmonary Function in Adults with Grade III Obesity

Correlation of lung function and respiratory muscle strength with functional exercise capacity in obese individuals with obstructive sleep apnea syndrome

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