Gain in lung function after weight reduction in severely obese children
E J van de Griendt1, O H van der Baan-Slootweg, E E M van Essen-Zandvliet
1Department of Pediatric Respiratory Medicine and Allergy, Emma Children's Hospital, Academic Medical Centre, Amsterdam, The Netherlands. e.j.vandegriendt@amc.nl
Archives of Disease in Childhood
|October 19, 2012
Summary
Weight loss in severely obese children significantly improved lung function, particularly expiratory reserve volume (ERV). This improvement correlated with reduced BMI and waist circumference, highlighting the benefits of weight management programs.
Area of Science:
- Pediatrics
- Pulmonology
- Obesity Research
Background:
- Extreme obesity in children poses significant health risks, including potential impacts on respiratory health.
- Understanding the effects of weight management interventions on pediatric pulmonary function is crucial for long-term health outcomes.
Purpose of the Study:
- To investigate the impact of a structured weight loss program on pulmonary function in extremely obese children.
- To determine the correlation between weight reduction and specific lung function parameters.
Main Methods:
- A prospective cohort study involving 112 extremely obese children undergoing a 26-week multidisciplinary treatment program.
- Pulmonary function tests and measurements of waist circumference were conducted at baseline and after the intervention period.
Main Results:
- Significant improvements were observed in functional vital capacity, forced expiratory volume in 1 second (FEV1), total lung capacity, and expiratory reserve volume (ERV).
- Expiratory reserve volume (ERV) showed a notable increase of 14.8%, strongly correlating with reductions in BMI (SDS-BMI) and waist circumference.
- Improvements in FEV1 did not show a significant correlation with BMI or waist circumference reduction.
Conclusions:
- Weight loss interventions in severely obese children lead to measurable improvements in lung function.
- The enhancement in expiratory reserve volume (ERV) is particularly linked to successful weight reduction, as indicated by decreased BMI and waist circumference.
Related Concept Videos
01:26COPD: Management Using Bronchodilators and Corticosteroids
Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...
01:47Lung Capacity
The air in the lungs is measured in volumes and capacities. Lung volume measures reflect the amount of air taken in, released, or left over after a lung function, like a single inhalation. Lung capacity measures are sums of two or more lung volume measures.
01:24Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
01:25Pharmacokinetics in Obese Patients: Drug Absorption and Distribution
Obesity significantly alters the pharmacokinetic processes of drug absorption and distribution, presenting unique challenges in medical treatment. The increased fat tissue and decreased lean muscle in obese individuals can significantly affect how drugs are absorbed into the body and distributed across different tissues. This alteration can lead to variances in the effectiveness and safety of medications, necessitating adjustments in dosing or drug selection for obese patients.One notable...
01:24Obesity
The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in adipocytes...
01:23Chronic Obstructive Pulmonary Disease II: Emphysema
Emphysema, a major phenotype of chronic obstructive pulmonary disease (COPD), is characterized by irreversible destruction of alveolar walls and permanent enlargement of distal airspaces. Unlike chronic bronchitis, which primarily affects the airways, emphysema predominantly involves the lung parenchyma, where structural damage leads to airflow limitation.PathophysiologyIt most commonly results from prolonged exposure to cigarette smoke and other toxic gases, particularly cigarette smoke.