Relationship between respiratory event-related arousal and increased pulse rate in patients with obstructive sleep apnea

Objective To investigate the relationship between respiratory event-related arousal and increased pulse rate in patients with obstructive sleep apnea(OSA),and to evaluate whether elevated pulse rate can be used as a surrogate marker of arousal.Methods A total of 80patients[40 males and 40 females,age range(18-63years),mean age(37±13)years]who attended the Sleep Center of the Department of Respiratory and Critical Care Medicine,Tianjin Medical University General Hospital for polysomnography(PSG)from January 2021 to August 2022 were enrolled.