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Relationship between lung function and metabolic syndrome.

Wei-Liang Chen1, Chung-Ching Wang2, Li-Wei Wu3

  • 1Division of Family Medicine, Department of Family and Community Medicine, Tri-Service General Hospital and School of Medicine, National Defense Medical Center, Taipei, Taiwan; Division of Geriatric Medicine, Department of Family and Community Medicine, Tri-Service General Hospital and School of Medicine, National Defense Medical Center, Taipei, Taiwan; Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan.

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|October 10, 2014
PubMed
Summary
This summary is machine-generated.

Metabolic syndrome, a cluster of conditions, is linked to reduced lung function, specifically lower forced vital capacity (FVC) and forced expiratory volume in 1 second (FEV1) in US adults. This highlights a significant association between metabolic health and respiratory capacity.

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Area of Science:

  • Pulmonary Medicine
  • Metabolic Health
  • Epidemiology

Background:

  • The link between impaired lung function and cardiovascular events and type 2 diabetes is established.
  • The association between impaired lung function and metabolic syndrome lacks comprehensive assessment in the U.S. population.

Purpose of the Study:

  • To explore the association between impaired lung function and metabolic syndrome in a nationally representative sample of U.S. men and women.
  • To examine the relationship between individual components of metabolic syndrome and lung function parameters.

Main Methods:

  • Cross-sectional, population-based study utilizing data from 8602 participants (aged 20-65 years) in the Third National Health and Nutrition Examination Survey (NHANES III).
  • Analysis of lung function, including forced vital capacity (FVC) and forced expiratory volume in 1 second (FEV1), in relation to metabolic syndrome components.
  • Statistical adjustments for confounders such as age, body mass index, inflammatory factors, medical conditions, and smoking status.

Main Results:

  • Participants with more components of metabolic syndrome showed significantly lower predicted values for FVC and FEV1 (p for trend <0.001).
  • Impaired pulmonary function was associated with individual metabolic syndrome components: abdominal obesity, high blood pressure, high triglycerides, and low high-density lipoprotein (HDL) cholesterol (p<0.05).

Conclusions:

  • A greater number of metabolic syndrome features is strongly associated with poorer lung function (FVC and FEV1) in U.S. adults.
  • Clinical practice should consider developing comprehensive management strategies for individuals with co-existing metabolic syndrome and impaired lung function.