Respiratory muscle weakness is observed in chronic obstructive pulmonary disease (COPD) patients and contributes to hypoxemia, hypercapnia, dyspnoea, nocturnal oxygen desaturation and reduced exercise performance. During ...

Pulsus paradoxus (PP) is a decrease in systolic blood pressure greater than 10 mm Hg during inspiration that occurs in various medical conditions. Using polysomnography pulse oximetry signal, photoplethysmography variations ...

Patients with chronic respiratory disease are heavy users of health care and social services resources worldwide. Although the major goals of pulmonary rehabilitation programs are to reduce levels of morbidity and to improve ...

Within the chronic obstructive pulmonary disease (COPD) spectrum, lung emphysema presents, as a primarily histopathologic feature, the destruction of pulmonary parenchyma and, accordingly, an increase in the airflow ...