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Idiopathic pulmonary arteriovenous malformation: a rarity in clinical practice.
J Vasc Bras
January 2025
Universidade Federal da Paraíba - UFPB, Hospital Universitário Lauro Wanderley - HULW, João Pessoa, PB, Brasil.
Pulmonary arteriovenous malformations (PAVM) are characterized by abnormal pulmonary vessels forming arteriovenous shunts that compromise oxygenation of the blood, causing hypoxemia, and predispose to infections and cerebral ischemia. The patient in this case was a 38-year-old male who presented with tachypnea and dyspnea, cyanosis of extremities, and significant digital clubbing. The patient had structural epilepsy secondary to neurosurgery for a cerebral abscess during childhood.
View Article and Find Full Text PDFIntroduction: Elexacaftor/tezacaftor/ivacaftor (ETI) has shown significant improvements in pulmonary and nutritional status in persons with cystic fibrosis (pwCF). Less is known about the extrapulmonary impact of ETI and effects on airway microbiology, lung clearance index (LCI) and fraction of exhaled nitric oxide (FeNO).
Methods: A multicentre prospective observational trial, including 79 pwCF ≥ 18 years eligible for ETI.
Residing in areas with high residential greenspace is associated with increased COPD risk and decreased lung function of adults in eastern China.
Heart Lung
January 2025
Department of Preventive Medicine, Shantou University Medical College, Shantou, Guangdong 515041, China. Electronic address:
Background: Evidence for a relation between residential greenspace and respiratory health is scarce and controversial.
Objectives: The purpose of this study was to explore the association between residential greenspace and its interaction with particulate matter (PM) and risk of chronic obstructive pulmonary disease (COPD) and lung function.
Methods: A total of 3,759 adults were recruited from Wenzhou in this study.
Effects of routine postural repositioning on the distribution of lung ventilation and perfusion in mechanically ventilated patients.
Intensive Crit Care Nurs
January 2025
Department of Intensive Care Medicine, Hospital Universitario de La Princesa, Madrid, Spain; Centro de investigación en red CIBERES de enfermedades respiratorias, Instituto de Salud, Carlos III, Madrid, Spain. Electronic address:
Objectives: To analyse the effects on respiratory function, lung volume and the regional distribution of ventilation and perfusion of routine postural repositioning in mechanically ventilated critically ill patients.
Methods: Prospective descriptive physiological study. We evaluated gas-exchange, lung mechanics, and Electrical Impedance Tomography (EIT) determined end-expiratory lung impedance and regional ventilation and perfusion distribution in five body positions: supine-baseline (S1); first lateralisation at 30° (L1); second supine position (S2), second contralateral lateralisation (L2) and third final supine position (S3).
Systematic Review and Meta-Analysis of the Application of T-PEP in the Therapeutic Management of COPD Patients.
J Clin Med
January 2025
Division of Respiratory Medicine, University Hospital Tor Vergata, 00133 Rome, Italy.
Chronic obstructive pulmonary disease (COPD) is a leading cause of morbidity and mortality worldwide, characterized by chronic mucus hypersecretion (CMH) that exacerbates airway obstruction and accelerates disease progression. Effective airway clearance techniques are essential to improve respiratory function and reduce exacerbations. Temporary Positive Expiratory Pressure (T-PEP) is a novel airway clearance device that has shown promise in managing COPD.
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