Background Evaluation and interpretation of the literature on obstructive sleep apnea (OSA)
allows for consolidation and determination of the key factors important for clinical …

Respiratory function has become a global health priority. Not only is chronic respiratory
disease a leading cause of worldwide morbidity and mortality, but the COVID-19 pandemic …

Airflow and resistance in the nasal cavity play important roles in sleep. A normal nose can
sustain 20 to 30 L of airflow per minute, 1 and nasal airflow has a stimulant effect on …

Simple Summary Obstructive sleep apnea syndrome (OSA) and non-alcoholic fatty liver
disease (NAFLD) are very common and share underlying metabolic risk factors. It remains …

Introduction: Positive airway pressure (PAP) devices are generally considered to be the first-
line treatment of choice for most adults with obstructive sleep apnea (OSA). However, there …

Background Numerous studies have shown that the external nasal dilator (END) increases
the cross sectional area of the nasal valve, thereby reducing nasal resistance, transnasal …

Obstructive sleep apnea (OSA) is characterized by reduction or cessation of airflow during
sleep due to upper airway collapse. The involvement of the nasal cavity and nasopharynx in …

Background Moderate-to-severe obstructive sleep apnea (OSA) has been documented in
about 20% of patients with heart failure and reduced ejection fraction (HF-REF). Continuous …

Patients undergoing partial rhinectomy with limited size may have the major portion of the
nasal structure preserved. However, the fibrosis or scar formation after the surgery may …

Study Objectives: Women with sleep-disordered breathing (SDB) in pregnancy are at a
greater risk of developing serious adverse perinatal outcomes. However, the pathogenesis …