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Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes
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Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes

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Relation between body composition, abdominal obesity, and lung function.

E Pekkarinen1, E Vanninen, E Länsimies

  • 1Department of Clinical Physiology, Nuclear Medicine and Neurophysiology, Diagnostic Imaging Centre, Kuopio University Hospital, P.O. Box 1777, Fin-70211 Kuopio, Finland. epekkari@student.uef.fi

Clinical Physiology and Functional Imaging
|February 3, 2012
PubMed
Summary
This summary is machine-generated.

Body composition impacts lung function, with higher muscle mass linked to better diffusion capacity. Abdominal obesity is associated with obstructive changes, suggesting a need to update pulmonary function reference values.

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Area of Science:

  • Pulmonary Medicine
  • Physiology
  • Anthropometry

Background:

  • Pulmonary function reference values typically account for age, sex, height, and ethnicity.
  • Factors like weight and body composition also influence lung function but are less commonly integrated into reference standards.

Purpose of the Study:

  • To investigate the relationship between body composition, abdominal obesity, and pulmonary function in a healthy adult population.
  • To determine if body composition parameters should be considered for refining pulmonary function reference values.

Main Methods:

  • Study included 284 healthy, non-smoking Finnish adults.
  • Measurements included height, waist circumference, abdominal sagittal diameter, body composition, spirometry, and diffusion capacity (DLCO).

Main Results:

  • Positive correlations were found between muscle mass and lean body mass with diffusion capacity (DLCO).
  • No significant associations were observed between body composition and spirometry results.
  • Inverse correlations were noted between abdominal sagittal diameter and waist circumference with the FEV1/FVC ratio.

Conclusions:

  • Higher muscle and lean body mass are associated with increased diffusion capacity.
  • Abdominal obesity, even minor, correlates with obstructive changes in spirometry.
  • Findings suggest a need to re-evaluate current pulmonary function reference values to include body composition and abdominal obesity metrics.