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Relationship Between Nutritional Status, Respiratory Symptoms, and Lung Function in Elementary School Children in Both Private and Public School FREE TO VIEW

Bernadette Nisperos, MD; Milagros Bautista; Dulce Sy; Maria Encarnita Limpin
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Pediatric Pulmonology, Philippine Heart Center, Quezon City, Philippines

Chest. 2014;146(4_MeetingAbstracts):697A. doi:10.1378/chest.1993162
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SESSION TITLE: Childhood Asthma Posters

SESSION TYPE: Original Investigation Poster

PRESENTED ON: Wednesday, October 29, 2014 at 01:30 PM - 02:30 PM

PURPOSE: To determine the relationship between nutritional status, lung function and respiratory symptoms of elementary school children enrolled in both public and private schools.

METHODS: This is a cross sectional study done among elementary school children in both public and private school in Quezon City. School children ages 7-12 years old were recruited to participate in this study. Once informed consent was obtained from the parents and assent from the children, parents/ guardians were interviewed to elicits the respiratory symptoms of all subjects. The body mass index were also calculated to determine the degree of nutrition. All subjects underwent a pulmonary function test using a microloop.

RESULTS: A total of 161 patients were enrolled in the study. The study groups were divided into 3 main categories: normal weight, wasted and overweight. Different degrees of malnutrition have its effect on the pulmonary function tests. Both wasted and overweight groups showed significant decreased in FVC and FEV1. Both the wasted and overweight children were most likely will develop respiratory symptoms. Wasted children were found to be at risk of having restrictive lung function as well as obstructive ventilatory defect.

CONCLUSIONS: We showed that the BMI has significant effects on all lung functions and the greatest effects were on the FVC and FEV1. The reduction in the lung volumes and flow rates could be due to their poor nutritional status. The wasted and overweight children had higher susceptibility to suffer from respiratory symptoms.

CLINICAL IMPLICATIONS: Different degrees of malnutrition have its effect on pulmonary function. In this study, the FVC and FEVI were both significantly decreased among wasted and overweight choldren. The PEFR was also decreased in wasted but only minimally affected in overweight group. The wasted group was more at risk of having obstructive lung disease rather than restrictive disease. The alteration in the muscle mass influences both the strength and endurance and reduced vital capacity and expiratory muscle. It also shows that there is a significant correlation between strength of the diaphragm and nutritional status.

DISCLOSURE: The following authors have nothing to disclose: Bernadette Nisperos, Milagros Bautista, Dulce Sy, Maria Encarnita Limpin

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