Publications by authors named "Hagan G"

Background: Surveillance of burnout by the gold-standard Maslach Burnout Inventory (MBI) is hindered by cost and length. The validity and benchmarking of the commonly recommended and used single-item burnout question (SIBOQ) are unknown. We sought to (1) derive an equation for predicting the gold standard MBI from the SIBOQ and (2) measure the correlation of the SIBOQ with the full MBI and its subscales.

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Tuberculosis (TB) remains a significant cause of morbidity and mortality globally. The disseminated form of the disease has a worse prognosis and is commonly associated with primary and acquired immunodeficiency states such as HIV/AIDS, post-organ transplant and malnutrition. However, disseminated TB in the context of isolated impaired cellular responses to interleukin (IL)-23 due to tyrosine kinase 2 (TYK2) deficiency has been rarely reported.

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The BTS clinical statement for the diagnosis and management of ocular tuberculosis (TB) draws on the expertise of both TB and and ophthalmic specialists to outline the current understanding of disease pathogenesis, diagnosis and management in adults. Published literature lacks high-quality evidence to inform clinical practice and there is also a paucity of data from animal models to elucidate mechanisms of disease. However, in order to improve and standardise patient care, this statement provides consensus points with the currently available data and agreed best practice.

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Burn injuries are a common presentation to the paediatric emergency department (PED) and are painful, distressing and may have long-term sequelae. In adhering to the first aid principles of burns management, we aim to alleviate pain, prevent bacterial contamination and minimise the extent of injury. First aid involves cooling the burn and covering with an appropriate material while simultaneously providing analgesia.

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It is now well understood that exposure to Adverse Childhood Experiences (ACEs) is negatively linked to health and well-being across the lifespan. In an effort to disrupt ACEs exposure and its effects, there is a nationwide movement to screen for ACEs in primary care, despite a lack of well-established guidelines for assessing and responding to risk within routine care. Additionally, developing culturally responsive models of ACEs assessment is imperative, particularly because racial and ethnic minority populations face disproportionate risk of exposure to ACEs and disparities in quality of health care.

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Background: The Global initiative for chronic Obstructive Lung Disease strategy document for COPD recommends treatment changes according to the persistence of symptoms or exacerbations. This study assessed the feasibility and outcomes of a structured step-up/step-down treatment approach in a randomized controlled clinical trial setting.

Methods: Japanese patients with moderate-to-severe COPD were randomized to blinded, double-dummy treatment with twice-daily fluticasone propionate/salmeterol (FP/SAL) 250/50 µg or once-daily tiotropium bromide (TIO) 18 µg for 24 weeks (dual bronchodilator was not available).

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Objective: This study examined mental health service use outcomes for children receiving integrated care via a collaborative-practice model (CPM). The study hypothesis was that the delivery of intensively integrated clinical care within pediatrics, combined with community-based parent support from family support specialists (FSSs), would facilitate mental health or substance use disorder treatment access and engagement for youths at risk of experiencing disparities.

Methods: The study sample consisted of 228 children referred by pediatricians for outpatient child psychiatry evaluation within an urban safety-net hospital system in 2013.

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Purpose: There are still evidence gaps on the prevalence of airflow limitation in Japan. The purpose of this survey was to estimate the prevalence of airflow limitation among healthy subjects in Japan and to show what proportion of subjects with airflow limitation had been diagnosed with chronic obstructive pulmonary disease (COPD).

Subjects And Methods: This was an observational, cross-sectional survey targeting multiple regions of Japan.

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Aims: Endothelin-1 levels are raised in chronic thromboembolic pulmonary hypertension. Our aim in this study was to identify the presence of endothelin receptors in patients with CTEPH by analysing tissue removed at pulmonary endarterectomy.

Main Methods: Pulmonary endarterectomy tissue cross-sections were analysed using autoradiography with [(125)I]-ET-1 using ligands selective for ETA or ETB to determine sub-type distribution.

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Purpose: Triple therapy using salmeterol/fluticasone propionate (FP) and tiotropium bromide is commonly used to treat chronic obstructive pulmonary disease (COPD), but sparse efficacy data exist in COPD patients with fewer symptoms and with a lower dose of inhaled corticosteroid in Japanese patients. The effects of of salmeterol/fluticasone propionate 50/250 μg (SFC250) twice daily plus tiotropium 18 μg (TIO) once daily and individual treatments on lung function were compared.

Patients And Methods: Fifty three Japanese COPD patients participated in this randomized, double-blind, double-dummy, Williams square design crossover study.

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Background: A large number of chronic obstructive pulmonary disease (COPD) patients in Japan remain undiagnosed, primarily due to the underuse of spirometry. Two studies were conducted to see whether the COPD Assessment Test (CAT) in primary care has the potential to identify those patients who need spirometry for a diagnosis of COPD and to determine whether patients with cardiovascular disease had airflow limitation, which could be detected by CAT.

Materials And Methods: Two multicenter, noninterventional, prospective studies (studies 1 and 2) were conducted across Japan.

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Background And Objectives: Cardiovascular disease (CVD) and chronic obstructive pulmonary disease (COPD) commonly coexist and share common risk factors. The prevalence of COPD in outpatients with a smoking history and CVD in Japan is unknown. The aim of this study was to determine the proportion of Japanese patients with a smoking history being treated for CVD who have concurrent airflow limitation compatible with COPD.

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Purpose: The 6 minutes walk test (6MWT) is often shown to be the best predictor of mortality in pulmonary hypertension (PH) probably because it challenges the failing heart to deliver adequate cardiac output. We hypothesised that the 6MWT elicits maximal cardiac output as measured during a maximal cardiopulmonary exercise testing (CPET).

Methods: 18 patients with chronic thromboembolic pulmonary hypertension (n = 12) or pulmonary arterial hypertension (n = 6) and 10 healthy subjects performed a 6MWT and CPET with measurements of cardiac output (non invasive rebreathing device) before and directly after exercise.

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Rationale: Evidence is increasing of a link between interferon (IFN) and pulmonary arterial hypertension (PAH). Conditions with chronically elevated endogenous IFNs such as systemic sclerosis are strongly associated with PAH. Furthermore, therapeutic use of type I IFN is associated with PAH.

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Background And Objective: The Global initiative for chronic Obstructive Lung Disease (GOLD) Committee has proposed a chronic obstructive pulmonary disease (COPD) assessment framework focused on symptoms and on exacerbation risk. This study will evaluate a symptom and exacerbation risk-based treatment strategy based on GOLD in a real-world setting in Japan. Optimal management of COPD will be determined by assessing symptoms using the COPD Assessment Test (CAT) and by assessing the frequency of exacerbations.

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Rates of tuberculosis (TB) are increasing in most west European nations. Patients with TB can be admitted to an ICU for a variety of reasons, including respiratory failure, multiorgan failure and decreased consciousness associated with central nervous system disease. TB is a treatable disease but the mortality for patients admitted with TB to an ICU remains high.

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A woman in her 60s with type 2 diabetes presented with a 4-week history of a rash on her chest wall, flu-like symptoms and a red right eye. On examination, there was a cellulitic rash over the right chest wall, breast and neck and a hypopyon in the right eye. Chest x-ray demonstrated right upper lobe opacification, with subsequent CT and MRI revealing bilateral collections at the lung apices, and a possible permeative bone destruction of the manubrium, respectively.

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Background: Patients with Chronic Obstructive Pulmonary Disease (COPD) are at higher risk of developing Community-Acquired Pneumonia (CAP) than patients in the general population. However, no studies have been performed in general practice assessing longitudinal incidence rates for CAP in COPD patients or risk factors for pneumonia onset.

Methods: A cohort of COPD patients aged ≥ 45 years, was identified in the General Research Practice Database (GPRD) between 1996 and 2005, and annual and 10-year incidence rates of CAP evaluated.

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The past decade has seen increased application of 18-flurodeoxyglucose positron emission tomography ((18)FDG-PET) imaging to help diagnose and monitor disease, particularly in oncology, vasculitis and atherosclerosis. Disordered glycolytic metabolism and infiltration of plexiform lesions by inflammatory cells has been described in idiopathic pulmonary arterial hypertension (IPAH). We hypothesized that increased (18)FDG uptake may be present in the lungs, large pulmonary arteries and right ventricle of patients with pulmonary hypertension, and that this uptake would be related to markers of immune activation.

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Isolated pulmonary artery involvement by large vessel vasculitis is rare. This case report describes two patients with large vessel pulmonary vasculitis initially thought to have chronic thromboembolic pulmonary hypertension who had their diagnosis revised following pulmonary endarterectomy surgery. Advances in imaging techniques such as positron emission tomography and magnetic resonance imaging have permitted complementary radiological methods of diagnosis and follow up of large vessel disease and these are discussed in conjunction with the immunosuppressive and operative management of these patients.

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