Evening and morning plasma levels of protein S100B in patients with obstructive sleep apnea. Sonka K, Kelemen J, Kemlink D, Volná J, Pretl M, Zima T, Benakova H, Rambousek P, Foltán R, Donev F. Comparative Study 2007; 28(5): 575-579 PubMed PMID: 17984939 Keywords: Adult, Aged, Circadian Rhythm:physiology, Humans, Male, Middle Aged, Nerve Growth Factors:blood, Oxygen:blood, Polysomnography, S100 Calcium Binding Protein beta Subunit, S100 Proteins:blood, Severity of Illness Index, Sleep Apnea, Obstructive:blood, Stat. Citation OBJECTIVE: Responsible for sleep brain perfusion changes, obstructive sleep apnea (OSA) constitutes a cardiovascular risk. To find out abo..... Read abstract Full text PDF