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        13-24 of 42 results for 'professor shannon simpson'

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        Elevated leukotriene B4 and 8-isoprostane in exhaled breath condensate from preterm-born infants

        Inflammation and oxidative stress play a key role in the development of bronchopulmonary dysplasia (BPD), possibly contributing to persistent respiratory morbidity after preterm birth. We aimed to assess if inflammatory markers were elevated in exhaled breath condensate (EBC) of infants born very prematurely (< 32 weeks gestation) at 12-16 corrected months of age, and if increased levels were associated with BPD diagnosis and respiratory morbidity. ...

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        Technical standards for respiratory oscillometry

        The aim of the task force was to provide technical recommendations regarding oscillometry measurement ...

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        Ventilatory response and stability of oxygen saturation during a hypoxic challenge in very preterm infants

        Preterm infants have immature control of breathing and impaired pulmonary gas exchange. We hypothesized that infants with bronchopulmonary dysplasia (BPD) have a blunted ventilatory response and peripheral oxygen saturation (SpO2 ) instability during a hypoxic challenge. ...

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        The development and refinement of a sensitive bedside test to continually measure the severity of BPD and lung development in preterm infants

        Graham Jane Shannon Hall Pillow Simpson GL JP SS BAppSci PhD CRFS FANZSRS FThorSoc FERS BMedSci (Dist) MBBS, PhD (Dist) FRACP BMedSci (hons), PhD Honorary Research Associate Research Theme Head, Early Environment; Team Lead, Chronobiology Co-Head, ...

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        Pulmonary Gas Exchange Improves over the First Year in Preterm Infants with and without Bronchopulmonary Dysplasia

        Right shift of the peripheral oxyhaemoglobin saturation (SpO2) versus inspired oxygen pressure (PIO2) curve is a sensitive marker of pulmonary gas exchange. The aim of this study was to assess the impact of prematurity and bronchopulmonary dysplasia (BPD) on gas exchange and right-to-left shunt in the neonatal period, and its evolution over the first year of life. ...

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        Clinical significance and applications of oscillometry

        Recently, "Technical standards for respiratory oscillometry" was published, which reviewed the physiological basis of oscillometric measures and detailed the technical factors related to equipment and test performance, quality assurance and reporting of results. Here we present a review of the clinical significance and applications of oscillometry. ...

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        Preterm birth: Born too soon for the developing airway epithelium

        This review examines the consequences of preterm birth on the airway epithelium and explores the clinical relevance of currently available models ...

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        Risk factors for poorer respiratory outcomes in adolescents and young adults born preterm

        The respiratory outcomes for adult survivors of preterm birth in the postsurfactant era are wide-ranging with prognostic factors, especially those encountered after the neonatal period, poorly understood. ...

        Research

        Collecting exhaled breath condensate from non-ventilated preterm-born infants: a modified method

        Exhaled breath condensate (EBC) collection is a non-invasive, safe method for measurement of biomarkers in patients with lung disease. Other methods of obtaining samples from the lungs, such as bronchoalveolar lavage, are invasive and require anaesthesia/sedation in neonates and infants. EBC is particularly appealing for assessing biomarkers in preterm-born infants, a population at risk of ongoing lung disease. ...

        Research

        Increased prevalence of expiratory flow limitation during exercise in children with bronchopulmonary dysplasia

        Expiratory flow limitation is more prevalent in children born preterm with bronchopulmonary dysplasia and is associated with airway obstruction ...

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        Persistent and progressive long-term lung disease in survivors of preterm birth

        This review aims to summarise what is known about the long-term pulmonary outcomes of contemporary preterm birth ...

        Research

        Oscillometry and spirometry are not interchangeable when assessing the bronchodilator response in children and young adults born preterm

        The European Respiratory Society Oscillometry Taskforce identified that clinical correlates of bronchodilator responses are needed to advance oscillometry in clinical practice. The understanding of bronchodilator-induced oscillometry changes in preterm lung disease is poor. Here we describe a comparison of bronchodilator assessments performed using oscillometry and spirometry in a population born very preterm and explore the relationship between bronchodilator-induced changes in respiratory function and clinical outcomes. ...

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