Impact of obesity on ventilatory function
Perran Boran1, Gulnur Tokuc, Burcu Pisgin
12nd Clinic of Pediatrics, Dr. Lutfi Kirdar Kartal Research and Training Hospital, Istanbul, Turkey. drperran@yahoo.com
Insights
Mild obesity in children does not significantly affect ventilatory function, as measured by spirometry. Pulmonary function tests in mildly obese children were similar to normal-weight children, indicating no impact from mild obesity.
Area of Science:
- Pediatric Pulmonology
- Obesity Research
- Public Health
Background:
- Obesity is linked to impaired ventilation, primarily studied in adults.
- Previous research focused on morbid obesity, leaving a gap in understanding mild obesity's effects in children.
Purpose of the Study:
- To investigate the impact of mild obesity on ventilatory function in children.
- To compare pulmonary function in mildly obese children versus normal-weight children.
Main Methods:
- A cross-sectional study comparing 80 mildly obese children with 50 normal-weight children.
- Spirometry was used to measure ventilatory function, including forced vital capacity (FVC) and forced expiratory volume in 1 second (FEV1).
- Anthropometric measurements were collected for all participants.
Main Results:
- No significant differences were found in FEV1%, FVC%, or FEV1%/FVC% between the study groups.
- Only three patients exhibited obstructive abnormalities on pulmonary function tests.
- No correlation was observed between anthropometric measurements and pulmonary function parameters.
Conclusions:
- Mild obesity in children does not significantly alter standard pulmonary function test parameters.
- Anthropometric measurements did not show a significant effect on spirometric measurements in this pediatric cohort.
Objective:
Although obesity was found to be associated with severe impairment of ventilation, most of the study population has been morbidly obese adults. We aimed to explore the effects of mild obesity on ventilatory function in the pediatric age group.
Methods:
In a cross-sectional controlled study, 80 patients (M/F: 35/45), who were evaluated in our outpatient clinic with the complaint of excess body weight, with no history of asthma or other atopic diseases were studied and compared to a control group of 50 normal weight children controlled for age and sex. The mean age of patients was 9.7+/-2.5 years (7 to 15 years). Anthropometric measurements and spirometry were performed in all subjects. Forced vital capacity (FVC) and forced expiratory volume in 1 second (FEV1) were used as measures of ventilatory function.
Results:
There were no significant differences in FEV1%, FVC% and FEV1%/FVC% by study group (p > 0.05). Only three patients had obstructive abnormalities documented on their pulmonary function tests (two had moderately severe and one had mild obstructive abnormalities). No correlation was observed between pulmonary function parameters and anthropometric measurements.
Conclusion:
These data demonstrate that pulmonary function test parameters of the mildly obese children were similar to those of the normal weight children. Anthropometric measurements had no significant effect on spirometric measurements in children as they did on adults.
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