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Dosing performance of dry powder inhalers is dependent on patient's inspiratory effort. This study compares the inhalation profiles generated by patients with severe obstructive lung disease using Diskus and Turbuhaler inhalers. The patient profiles are subsequently used to determine the dosing performance of fluticasone propionate Diskus and budesonide(More)
Measurement of exhaled nitric oxide (NO) may allow noninvasive assessment of inflammatory disease in the lung. We determined immediate and day-to-day reproducibility of single-breath NO measurements at different points on the exhaled test, and whether levels recorded reflect levels of NO in the lower airways. Using a rapid chemiluminescence analyser, 55(More)
BACKGROUND We conducted a placebo-controlled trial of azithromycin therapy in bronchiolitis obliterans syndrome (BOS) post lung transplantation. METHODS We compared azithromycin (250 mg alternate days, 12 weeks) with placebo. Primary outcome was FEV1 change at 12 weeks. RESULTS 48 patients were randomised; (25 azithromycin, 23 placebo). It was(More)
Obliterative bronchiolitis (OB), the major cause of chronic lung allograft dysfunction, is characterized by airway neutrophilia, inflammation, and remodeling, with progressive fibroproliferation and obliteration of small airways that ultimately leads to patient death. Statins have potential anti-inflammatory effects and have been demonstrated to confer a(More)
BACKGROUND The role of nitric oxide (NO) in the pathophysiology of graft dysfunction following lung transplantation remains unclear. To determine whether measurement of NO in the exhaled breath of lung transplant recipients provides useful information about graft pathology, a cross sectional study was performed on a cohort of recipients as they attended for(More)
BACKGROUND The hallmark of non-cystic fibrosis bronchiectasis is recurrent bronchial infection, yet there are significant gaps in our understanding of pathogen persistence, resistance and exacerbation frequencies. Pseudomonas aeruginosa is a key pathogen thought to be a marker of disease severity and progression, yet little is known if the infection risk is(More)
BACKGROUND The bronchial epithelium is a source of mediators that may play a role in the airway inflammation and remodeling of post-transplant obliterative bronchiolitis (OB). Traditional strategies have failed to have an impact on OB. Recent studies have suggested a role for azithromycin in managing the condition. In this study we aimed to determine the(More)
BACKGROUND Fatigue is a complex, disabling symptom in non-CF bronchiectasis (nCF-Br). Fatigue can be formally measured using the validated fatigue impact scale (FIS). The relationship between fatigue and clinically important factors such as airflow obstruction, breathlessness or Pseudomonas aeruginosa infection in nCF-Br is unclear. AIM To measure the(More)
Airway rejection after lung transplantation is recognized histologically as lymphocytic bronchiolitis (LB). We hypothesized that inhaled steroids could control LB and that changes in exhaled nitric oxide (eNO) would correlate with the development of LB and also have a role in monitoring response to treatment. A cohort of 120 lung transplant (LT) recipients(More)
Inhaled epoprostenol (prostacyclin) may be used in the treatment of severe pulmonary hypertension, improving oxygenation and reducing pulmonary artery pressures. We have observed symptomatic benefits of epoprostenol in patients with congenital heart disease that extend beyond acute haemodynamic effects of the drug, which has a short biological half-life.(More)