Can dietary interventions improve asthma control?

Varraso, Raphäelle; Camargo, Carlos A.

doi:10.4104/pcrj.2012.00095

Cited by 3 publications

(8 citation statements)

References 14 publications

(33 reference statements)

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“…While the asthma symptom score was developed and validated in a general population,23 24 our results were obtained in a population among which 42% had ever asthma. Although previous research has suggested that diet could be a modifier of asthma control rather than an aetiological risk factor for incidence of asthma,26 we did not observe interaction between cured meat intake and asthma status at EGEA2 on the association with worsening symptoms. The stratified analysis according to asthma status at EGEA2 showed similar effects in participants with ever asthma.…”

Section: Discussioncontrasting

confidence: 98%

“…Moreover, the asthma symptom score detects the change in asthma symptoms over time, reflecting either asthma incidence, or captures the temporal variability of the disease among participants with asthma—remission, relapse or persistence 23. Given that previous studies showed weak association between dietary factors and adult-onset asthma incidence,25 the asthma symptom score might be particularly relevant to studying the role of dietary factors as an aetiological risk factor and as a disease modifier 26…”

Section: Introductionmentioning

confidence: 99%

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Cured meat intake is associated with worsening asthma symptoms

Rava

Bédard

et al. 2016

Thorax

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Section: Discussioncontrasting

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Cured meat intake is associated with worsening asthma symptoms

Rava

Bédard

et al. 2016

Thorax

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“…2 Although asthma is a common chronic disease, its etiology and exacerbation mechanisms are poorly understood. 1 The increased prevalence in recent decades has been associated with environmental and behavioral changes, 1,[3][4][5] especially changes in dietary habits, with the increase in the consumption of ultra-processed foods together with the decline in the consumption of fruits and vegetables. 4,[6][7][8][9] The role of diet is related to complex mechanisms underlying the modulation of the acquired or innate immune response, and the effect of the diet varies according to the antioxidant and lipid components of foods.…”

Section: Introductionmentioning

confidence: 99%

“…7,10 A cross-sectional study conducted in Portugal concluded that asthmatics who consumed at a Mediterranean diet (high consumption of vegetables, legumes, fruits, nuts, whole grains, and unsaturated fatty acids and low meat intake) have reduced risk of exacerbations of the disease. 3 In France, a longitudinal study concluded that a good diet is associated with fewer exacerbations and greater asthma control. 6 The role of foods and nutrients in the etiology of asthma is still inconclusive, probably due to the complexity of both exposure and disease and therefore their association.…”

Section: Introductionmentioning

confidence: 99%

“…It is believed that eating habits are more likely to trigger symptoms rather than to be an etiological factor for the onset of asthma among adults. 3 Most studies assess specific foods or nutrients, and few studies evaluate food consumption as a whole. Since foods are not consumed in isolation, but rather in combination, a complete dietary assessment is needed.…”

Section: Introductionmentioning

confidence: 99%

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<p>Longitudinal Association Between Diet Quality and Asthma Symptoms in Early Adult Life in a Brazilian Birth Cohort</p>

Menezes

Schneider

Oliveira

et al. 2020

JAA

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Background: The role of diet in the etiology of asthma is still inconclusive. This paper evaluated the longitudinal association between diet quality and chest wheezing in young adults. Methods: This is a longitudinal study with follow-up information from 18-and 22-year-olds (18y and 22y) of the 1993 Pelotas (Brazil) Birth Cohort. Chest wheezing occurrence and number of events in the last year were reported at 22y. Diet quality was measured with a revised version of the Healthy Eating Index (IQD-R) for the Brazilian population at 18y and 22y by food frequency questionnaire referring to the last 12 months. The diet quality continuity was classified as good (always 1st IQD-R tertile), intermediate (always 2nd tertile/ change tertile) and poor (always 3rd tertile). Results: A total of 2986 young individuals were evaluated; 51.4% were female. Prevalence of wheezing at 22y was 10.1% (95% CI: 9.1-11.2), and of these patients, 10% reported at least one event in the past year. Better IQD-R score, both at 18y and at 22y, the lower the odds of wheezing in the past year. Regarding the diet quality continuity from 18y to 22y, staying on a poor diet increased by more than threefold the odds of chest wheezing (OR=3.28; 95% CI: 1.84-5.84) and of wheezing events (OR=3.32; 95% CI: 1.89-5.85) compared to staying on a good diet, after adjustment for confounding variables. Conclusion: The overall quality of the diet seems to be more important than the individual components in the effect on asthma symptoms. Low-quality diet persistence increased the odds of chest wheezing and the number of events.

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Longitudinal study of diet quality and change in asthma symptoms in adults, according to smoking status

Kesse‐Guyot

Dumas

et al. 2017

Br J Nutr

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It has been hypothesised that increased asthma prevalence in westernised countries is associated with changes in lifestyle factors, including a poorer diet. However, little is known regarding the association between diet quality and asthma. In the diet-asthma association, the role of BMI as a potential mediator needs clarification; moreover, potential effect modification by non-diet sources of oxidants, such as smoking, merits investigation. We investigated the association between diet quality and change in asthma symptoms, as well as assessed effect modification by smoking, while accounting for BMI as a potential mediator. Using data from the French prospective Epidemiological study on the Genetics and Environment of Asthma study, we assessed diet quality using the Alternate Healthy Eating Index 2010 (AHEI-2010) at baseline and change in asthma symptoms (stable (reference), worsening, improved; mean follow-up time: 7 years). Mediation analysis was used to disentangle total and direct effects and the indirect effect mediated by BMI. The analyses included 969 adults (mean age 43 years; 49 % men; 42 % ever asthma). We observed a significant interaction between smoking and AHEI-2010 on change in asthma symptoms (P for interaction=0·04). Among never smokers (n 499), we observed a positive total effect (multivariable OR 1·39; 95 % CI 1·07, 1·80) and a positive direct effect (OR 1·41; 95 % CI 1·09, 1·80) of the AHEI-2010 (per ten-point increment) on improved symptoms. No indirect effect mediated through BMI was observed (OR 0·99; 95 % CI 0·91, 1·07). Among former and current smokers, all effects were statistically non-significant. Better diet quality was associated with improved asthma symptoms over time in never smokers, independently of BMI.

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Can dietary interventions improve asthma control?

Cited by 3 publications

References 14 publications

Cured meat intake is associated with worsening asthma symptoms

Cured meat intake is associated with worsening asthma symptoms

<p>Longitudinal Association Between Diet Quality and Asthma Symptoms in Early Adult Life in a Brazilian Birth Cohort</p>

Longitudinal study of diet quality and change in asthma symptoms in adults, according to smoking status

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