Eric Staykov
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View article: Hypoxemia and arousals modulate cardiac responses to respiratory events in obstructive sleep apnea
Hypoxemia and arousals modulate cardiac responses to respiratory events in obstructive sleep apnea Open
Study Objectives Respiratory events during sleep induce immediate cardiac alterations, including increased RR intervals during events and decreased RR intervals after events. However, the extent to which related desaturations and arousals …
View article: Sleep Apnea Specific Hypoxic Burden in Children With Down Syndrome and Typically Developing Children
Sleep Apnea Specific Hypoxic Burden in Children With Down Syndrome and Typically Developing Children Open
Hypoxic burden (HB) is a measure incorporating frequency, depth and duration of respiratory event‐related desaturations. While HB is associated with cardiovascular disease in adults with obstructive sleep apnea (OSA), it has not been asses…
View article: Ventilatory Burden Predicts Change in Sleepiness Following Positive Airway Pressure in Sleep Apnea
Ventilatory Burden Predicts Change in Sleepiness Following Positive Airway Pressure in Sleep Apnea Open
Rationale Excessive daytime sleepiness, an important symptom of obstructive sleep apnea (OSA), is commonly quantified using the Epworth Sleepiness Scale score (ESS). Baseline OSA severity measures (ventilatory burden, flow limitation, and …
View article: O052 Hypoxemia and arousals modulate nocturnal respiratory event-related cardiac function variations in obstructive sleep apnea patients
O052 Hypoxemia and arousals modulate nocturnal respiratory event-related cardiac function variations in obstructive sleep apnea patients Open
Introduction Obstructive sleep apnea (OSA) and its related consequences (i.e. desaturations or arousals) are known to immediately impact cardiac function. However, the dynamics of variations in heart function due to individual obstructive …
View article: P008 Ventilatory burden predicts change in self‑reported sleepiness following continuous positive airway pressure treatment in obstructive sleep apnoea
P008 Ventilatory burden predicts change in self‑reported sleepiness following continuous positive airway pressure treatment in obstructive sleep apnoea Open
Introduction Excessive daytime sleepiness is an important symptom of obstructive sleep apnoea (OSA) and commonly quantified using the Epworth Sleepiness Scale (ESS). Measures of ventilatory burden, flow limitation, and hypoxaemia could be …
View article: O040 Investigating the effects of airflow signal filtering on non-invasively quantified estimates of flow limitation
O040 Investigating the effects of airflow signal filtering on non-invasively quantified estimates of flow limitation Open
Introduction We previously reported a method to estimate flow limitation (FL, range 0-~1) from the airflow signal recorded within a polysomnogram. This method utilised high quality nasal pressure signals, without high-pass (HP) filtering. …
View article: Flow Limitation Is Associated with Excessive Daytime Sleepiness in Individuals without Moderate or Severe Obstructive Sleep Apnea
Flow Limitation Is Associated with Excessive Daytime Sleepiness in Individuals without Moderate or Severe Obstructive Sleep Apnea Open
Rationale: Moderate-severe obstructive sleep apnea (OSA) (apnea-hypopnea index [AHI], >15 events/h) disturbs sleep through frequent bouts of apnea and is associated with daytime sleepiness. However, many individuals without moderate-severe…
View article: O040 Assessment of Heart Rate Variability During Respiratory Events and Arousals Using Symbolic Dynamics
O040 Assessment of Heart Rate Variability During Respiratory Events and Arousals Using Symbolic Dynamics Open
Introduction Beat-to-beat heart rate dynamics vary during obstructive respiratory events and in both respiratory and spontaneous arousals. However, conventional quantifications of heart rate variability (HRV) require segments of data subst…
View article: P116 Increased airflow limitation during nocturnal respiratory events is associated with increased psychomotor vigilance task lapses in obstructive sleep apnoea patients
P116 Increased airflow limitation during nocturnal respiratory events is associated with increased psychomotor vigilance task lapses in obstructive sleep apnoea patients Open
Introduction Impaired daytime vigilance is common in obstructive sleep apnoea (OSA) patients. However, the apnoea-hypopnea index (AHI) has been shown to have a weak correlation with daytime vigilance. This may be because the AHI only quant…