Effectiveness of Home Single-Channel Nasal Pressure for Sleep Apnea Diagnosis

Predicting Obstructive Sleep Apnea with Periodic Snoring Sound Recorded at Home

“…2 With a growing number of suspected OSA patients, the possibility of using even fewer channels for diagnostic studies has been approached. 3 One promising alternative for screening purposes would be the analysis of snoring sounds.…”

Mandibular position and movements: Suitability for diagnosis of sleep apnoea

“…Recording of nasal pressure (nasal cannula connected to a pressure transducer) alone or in combination with oximetry using a portable device has been documented to confidently rule in OSAS in a high pre‐test sleep clinic population, and is sensitive to even subtle changes in airflow . The inspiratory portion of the nasal pressure waveform can display flattening, a surrogate of airflow limitation when using appropriate filter settings .…”

Validation of a new domiciliary diagnosis device for automatic diagnosis of patients with clinical suspicion of OSA

“…In a recent PSG‐controlled study (752 patients), Masa et al . have reported significant outcomes for the automatic and manual analysis of RP . Manual analysis was better to identify patients with AHI < 15, otherwise both analyses had similar outcomes.…”

“…Several advantages have been achieved by the introduction of RP including the cost‐effectiveness and the attendance of a higher number of patients . However, studies so far indicated that RP requires manual analysis by an expert and, therefore, its use per se has not solved the high demand for the diagnosis of OSA …”

“…Home sleep studies with portable monitoring devices have been proposed as an alternative to PSG to reduce costs and facilitate the diagnostic process . Respiratory polygraphy (RP) is a cheaper alternative that has shown significant results . Automatic analysis of respiratory events would, theoretically, be the most cost‐effective alternative and some studies have shown acceptable results .…”