PURPOSE To examine a potential association between snoring and glaucoma in a population-based setting. METHODS The population-based Beijing Eye Study 2011 included 3468 subjects with an age of 50+ years. The participants underwent a detailed ophthalmic examination. Glaucoma was determined according to the ophthalmoscopic appearance of the optic nerve head. Snoring assessed in an interview was...

In the present study, we aimed to verify associations between ambulatory blood pressure (ABP) and pediatric obstructive sleep apnea (OSA) in a hospital-based population. This was a cross-sectional observational study on children aged 4 to 16 years with OSA-related symptoms from a tertiary referral medical center. All children received overnight polysomnography and 24-hour recording of ABP. Seve...

Snoring is a prevalent disorder affecting 20-40% of the general population. The mechanism of snoring is vibration of anatomical structures in the pharyngeal airway. Flutter of the soft palate accounts for the harsh aspect of the snoring sound. Natural or drug-induced sleep is required for its appearance. Snoring is subject to many influences such as body position, sleep stage, route of breathin...

STUDY OBJECTIVES To identify upper airway changes in snoring using CT scanning, to clarify the snoring mechanism, and to identify the key structures involved. PARTICIPANTS Forty patients underwent CT examination of the head and neck region according to snoring habits; patients were classified into non-snoring (n = 14), moderately loud snoring (n = 13), and loud snoring (n = 13) groups. DESI...

The prevalence of habitual snoring has been extensively explored in paediatric populations. Although exposure to cigarette smoke increases the risk of habitual snoring in a dose-dependent fashion, the potential contribution of air quality to habitual snoring remains unclear. 6000 questionnaires were distributed to 6- to 12-year-old children attending public schools in five distinct neighbourhoo...

OBJECTIVES Patients with obstructive sleep apnea syndrome (OSAS) have impaired responses to inspiratory resistive loading during sleep. This may be due, in part, to a change in the upper airway sensation. Therefore, we hypothesized that patients with OSAS have diminished upper airway sensation due to snoring. METHODS A total of 53 participants were selected based on clinical evaluation and po...

BACKGROUND Population-based investigations studying the association between snoring and left ventricular hypertrophy (LVH) are lacking. Therefore, our study aims to investigate whether snoring is significantly associated with LVH, and to make clear the effect of varying degrees of snoring intensity on LVH. METHODS A total of 10,139 participants were involved in this cross-sectional study. Sno...

BACKGROUND Obstructive sleep apnea syndrome (OSAS) is characterized by repetitive collapse of the upper airway during sleep. Red blood cell distribution width (RDW) increases platelet activation and has been reported as an independent predictor of adverse outcomes in the general population and is believed to be associated with cardiovascular morbidity and mortality. We evaluated RDW, mean plate...

OBJECTIVE To evaluate an adjustable mandibular positioning appliance for treatment of snoring and sleep apnea. METHODS One hundred thirty-four patients with baseline apnea/hypopnea index (AHI) of 37 +/- 28 events/h (mean +/- SD) received the appliance. The efficacy of the appliance was assessed by the following investigations, performed at baseline and with the appliance: polysomnography, Epw...

BACKGROUND Breathing-related sleep disorders cover several conditions (isolated snoring, UARS - upper airway resistance syndrome, obstructive sleep apnea, hypopnea, obesity hypoventilation syndrome) characterized by a variety of symptoms and complex etiology. The conditions can be successfully treated in most cases. Excessive body mass is a factor increasing the probability of the disorders. In...