Pulmonary and cardiac function in asymptomatic obese subjects and changes following a structured weight reduction program: a prospective observational study

The prevalence of obesity is rising. Obesity can lead to cardiovascular and ventilatory complications through multiple mechanisms. Cardiac and pulmonary function in asymptomatic subjects and the effect of structured dietary programs on cardiac and pulmonary function is unclear. To determine lung and...

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Bibliographic Details
Published in:PloS one 2014-09, Vol.9 (9), p.e107480-e107480
Main Authors: Held, Matthias, Mittnacht, Maria, Kolb, Martin, Karl, Sabine, Jany, Berthold
Format: Article
Language:English
Subjects:
Abnormalities
Adult
Adults
Asthma
Biology and Life Sciences
Body fat
Body mass
Body Mass Index
Body weight
Body weight loss
Cardiomyopathy
Cardiovascular disease
Clinical medicine
Complications
Diet
Echocardiography
Electric Impedance
Female
Gastrointestinal surgery
Heart
Heart diseases
Humans
Internal medicine
Lungs
Male
Medicine
Medicine and Health Sciences
Mortality
Nutrition
Obesity
Obesity - physiopathology
Observational studies
Outflow
Peak Expiratory Flow Rate - physiology
Performance indices
Physicians
Plethysmography, Whole Body
Prospective Studies
Pulmonary arteries
Pulmonary functions
Pulmonary hypertension
Respiratory function
Respiratory Function Tests
Sleep apnea
Teaching hospitals
Ventricle
Ventricular Function, Left - physiology
Vital Capacity - physiology
Wall thickness
Weight control
Weight loss
Weight Loss - physiology
Weight reduction
Weight Reduction Programs
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Summary:The prevalence of obesity is rising. Obesity can lead to cardiovascular and ventilatory complications through multiple mechanisms. Cardiac and pulmonary function in asymptomatic subjects and the effect of structured dietary programs on cardiac and pulmonary function is unclear. To determine lung and cardiac function in asymptomatic obese adults and to evaluate whether weight loss positively affects functional parameters. We prospectively evaluated bodyplethysmographic and echocardiographic data in asymptomatic subjects undergoing a structured one-year weight reduction program. 74 subjects (32 male, 42 female; mean age 42±12 years) with an average BMI 42.5±7.9, body weight 123.7±24.9 kg were enrolled. Body weight correlated negatively with vital capacity (R = -0.42, p
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0107480