Confounding Factors of Impedance Pneumography

Exclusion Criteria

• •Preterm birth with chronic respiratory disorder of prematurity
• •Significant nasal congestion or adenotonsillar hypertrophy with signs and symptoms of sleep apnea or sleep disordered breathing
• •Chronic rhinosinusitis, synonasal polyposis
• •Personal or family history or clinical evidence of asthma, atopy or other chronic respiratory disorders (high risk for asthma and allergy)
• •Use of asthma rescue or maintenance medication within 4 weeks prior to inclusion
• •Recurrent bronchitis or recurrent hospitalizations because of a respiratory illness (recurrent pneumonia)
• •Hospital-treated for bronchiolitis with residual symptoms
• •Acute respiratory infection or hospitalization because of an acute illness within 4 weeks prior to inclusion
• •Other cardiorespiratory or neurological chronic diseases or states that may significantly alter the overnight breathing pattern
• •Implanted or external active medical devices
• •Long lasting respiratory events during the polysomnography study like continuous upper airway limitation