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Fig. 1 | BMC Pulmonary Medicine

Fig. 1

From: Switch of noninvasive ventilation (NIV) to continuous positive airway pressure (CPAP) in patients with obesity hypoventilation syndrome: a pilot study

Fig. 1

Study protocol. Definition of abbreviations: OHS: Obesity Hypoventilation Syndrome; NIV: Non Invasive Ventilation; SRI: Severe Respiratory Insufficiency questionnaire; PSQI: Pittsburgh Sleep Quality Index; ESS: Epworth Sleepiness Scale; AHI: Apnea Hypopnea Index; ABG: Arterial Blood Gas; FEV1: Forced Expiratory Volume in 1 s; FVC: Forced Vital Capacity; EPAP: Expiratory Positive Airway Pressure; CPAP: Continuous Positive Airway Pressure

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BMC Pulmonary Medicine

ISSN: 1471-2466

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