Prevalence of Sleep Apnea/Hypopnea Syndrome in Obese Children
Prevalence of Sleep Apnea/Hypopnea Syndrome in Obese Children
Principal aim: To determine the prevalence of Sleep Apnea- Hypopnea syndrome in obese
 children.

 Secondary aim: 1. To fix the implication of the adenotonsillar hypertrophy, the obesity and
 the hormonal factors in the pathogeny of SAHS in children. 2. To determinate of clinical and
 neurophysiologic characteristics of childhood SAHS associated with obesity. DESIGN: A
 prospective transversal study.
The population of study will be make for children of both sex, between 3 and 14 years old and
 with body mass index (BMI) ≥ 95 percentile and with informed consent. METHODS: In all
 children included in the study, the investigators will carry out: previous history, history
 of snoring and Chervin´s screening questionnaire of SAHS, general physical and
 otorhinolaryngologic examination with nasopharyngoscopy, blood test with determination of
 glucose, lipids, insulin, leptin, adiponectin, and ghrelin, polysomnography (PSG) with
 transcutaneous CO2. The diagnosis of SAHS will be made if on PSG the Respiratory disturbance
 Index (RDI) is ≥ 3 and/or obstructive hypoventilation is present.
Inclusion Criteria:

 -  Children of both sex, between 3 and 14 years old

 -  Body mass index (BMI) ≥ 95 percentile

 -  With informed consent.

 Exclusion Criteria:

 -  Without informed consent