Rajeev Agarwal Introduction When assessing the polysomnographic recordings, it has become the norm to break the data into 20 or 30 second epochs which are subsequently labeled as one of the sleep stages defined by a scoring standard. For a full nocturnal recording, this can involve a large number of epochs that are typically on the order of 1500. Manual scoring of large … [Read more...] about Computer-Assisted Sleep Staging – Rajeev Agarwal
rapid eye movement
Perioperative Risks in Patients with Sleep Apnea – Roop Kaw
Adverse outcomes have been reported in the perioperative setting in patients with known or unrecognized obstructive sleep apnea syndrome (OSAS). Although epidemiologic data report a prevalence of OSAS at about 5%,1 patients presenting to surgery have an estimated prevalence of 1–9%, or even higher in certain surgical categories.2 Ashton et al. studied 1487 men older than 40 … [Read more...] about Perioperative Risks in Patients with Sleep Apnea – Roop Kaw