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Thoracic Electric Impedance Tomography Detects Lung Volume Changes in Amyotrophic Lateral Sclerosis.
Muscle Nerve
January 2025
Division of Neurology, Department of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada.
Introduction/aims: Spirometry is the conventional means to measure lung function in amyotrophic lateral sclerosis (ALS), but is dependent on patient effort and bulbar strength. We aimed to use electric impedance tomography (EIT), an emerging non-invasive imaging modality, to measure dynamic lung volume changes.
Methods: Twenty-one patients with ALS underwent sitting and supine spirometry for forced vital capacity (FVC), and sitting and supine EIT.
Relationship of perfluoroalkyl chemicals with chronic obstructive pulmonary disease: A cross-sectional study.
Toxicol Ind Health
January 2025
Department of Respiratory Diseases, Zhejiang Hospital, Hangzhou, China.
Perfluoroalkyl chemicals are one of the most stable substances in industry and have become ubiquitous contaminants owing to their persistence in the environment. This study enrolled 1,953 participants aged ≥40 years old using data from the National Health and Nutrition Examination Survey (NHANES). We selected four perfluoroalkyl chemicals with a detection frequency of more than 80%, including perfluorohexane sulfonic acid (PFHxS), perfluorononanoic acid (PFNA), perfluorooctanoic acid (PFOA), and perfluorooctane sulfonic acid (PFOS).
View Article and Find Full Text PDFEffects of Hook Maneuver on Oxygen Saturation Recovery After -40 m Apnea Dive-A Randomized Crossover Trial.
Sports (Basel)
January 2025
Motion in Brains Research Group, Centro Superior de Estudios Universitarios La Salle, Universidad Autónoma de Madrid, 28023 Madrid, Spain.
To reduce the risk of syncope, trained breath-hold divers (BHDs) use a specialized breathing technique after surfacing called "hook breathing" (HB). It consists of a full inspiration followed by a Valsalva-like maneuver and with subsequent exhalation performed against resistance to generate continuous positive airway pressure during exhalation. This study analyzed the influence of HB on oxygen saturation recovery after a -40 m depth apnea dive in trained BHDs.
View Article and Find Full Text PDFInvestigation of the effect of ultraprocessed food consumption on asthma using pulmonary function tests.
Nutr Health
January 2025
Istanbul Yedikule Chest Diseases and Thoracic Surgery Health Application and Research Center, School of Medicine, Department of Chest Diseases, University of Health Sciences, Istanbul, Turkey.
NOVA is a food classification system that classifies foods according to the scope and purpose of food processing, rather than nutrients. Asthma is usually characterized by chronic inflammation and respiratory symptoms such as wheezing, shortness of breath, chest tightness, cough, and variable expiratory airflow limitation. According to the NOVA food classification system, consumption of ultraprocessed foods (UPF) can affect asthma symptoms.
View Article and Find Full Text PDFThird Proceedings of The North American Airway Collaborative (NoAAC): Consensus Statement on Trial Design for Airway Stenosis.
JAMA Otolaryngol Head Neck Surg
January 2025
Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University Medical Center, Nashville, Tennessee.
Importance: Airway stenosis is a rare but debilitating disorder that significantly degrades the quality of life in affected patients. Treatments are primarily surgical, and disease management lacks established medical therapies. The North American Airway Collaborative held its third symposium at The Johns Hopkins Hospital in Baltimore, Maryland, on April 15, 2024, focused on strategies to advance the care of these patients.
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