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BACKGROUND
There is growing evidence that hypoxia-inducible transcription factors are involved in the pathophysiology of asthma. Hypoxia-inducible factor-1alpha (HIF-1alpha) in particular controls the expression of many hypoxia regulated genes, but whether HIF-1alpha directly contributes to
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The role of platelet-activating factor (PAF) in Ag-induced airway hyperresponsiveness was evaluated in a guinea pig model using the PAF antagonist SDZ 64-412. Repeated OVA challenge by aerosol (twice weekly x 4 wk) of previously sensitized guinea pigs produced striking airway hyperresponsiveness as
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We investigated the association between a combination of two markers, peripheral (PEC) and bronchoalveolar lavage (BAL) eosinophil percentage (BEP), and oxygen requirements in patients with acute eosinophilic pneumonia (AEP).We retrospectively reviewed the
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We report the findings of ventilation and perfusion scintiscanning performed in three untreated patients with acute tropical pulmonary eosinophilia (TPE). In a 26-year-old man whose arterial blood gas values were normal, the lung scan showed normal radioactivity. The scintigrams of a 20-year-old
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Eosinophils may infiltrate the lung tissue, thus impairing gas exchange and causing several symptoms as dyspnea, fever, and cough. This process may be secondary to several factors, including drugs or parasite migration, or primary (idiopathic). Acute eosinophilic pneumonia is life-threatening and
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Churg-Strauss syndrome (CSS) is characterized by asthma and/or a history of allergy, eosinophilia and an often life-threatening systemic necrotizing vasculitis. We describe a patient with CSS and hypoxemia with a high alveolar-arterial oxygen gradient (AaDO2), but no pulmonary parenchymal
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Allergic airway disease is characterized by a T helper type 2 cell-mediated airway inflammation and airway hyperresponsiveness. Little is known about the role of hypoxia-mediated signaling in the progression of the disease. To address this knowledge gap, a mouse model was created in which
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In the spring and summer of 1981, an epidemic of a new illness now referred to as the toxic oil syndrome occurred in central and northwestern Spain, resulting in some 20,000 cases, 12,000 hospital admissions and greater than 300 deaths in the 1st year of the epidemic. The initial onset of illness
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Background: Interleukin 13 (IL-13) is a pleiotropic cytokine that has been shown to be important in the pathogenesis of chronic rhinosinusitis with nasal polyps (CRSwNP) and other type 2 inflammation-related diseases. Increased IL-13
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A 57-year-old man presented for an elective pacemaker upgrade, complicated by the discovery of device infection. He had a background of complex congenital heart disease, including replacement of heart valves, and was treated for presumed infective endocarditis that was later confirmed by
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Hypoxia-inducible factor (HIF)-1α is a master regulator of inflammation and is upregulated in alveolar macrophages and lung parenchyma in asthma. HIF-1α regulates select pathways in allergic inflammation, and thus may drive particular asthma phenotypes. This work examines the role of pharmacologic
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BACKGROUND DRESS is a rare, life threatening syndrome that occurs following exposure to certain medications, most commonly antibiotics and antiepileptics. While sulfonamide antibiotics are frequently implicated as causative agents for DRESS syndrome, furosemide, a nonantibiotic sulfonamide, has not
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A 33-year-old woman presented to the emergency department (ED) with tachypnea, tachycardia, and hypoxia, complaining of dyspnea and paroxysms of dry cough for 2 days. The patient had undergone an unsuccessful in vitro fertilization procedure 1 month earlier and had had another embryo implantation 6
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We present a case of eosinophilic pneumonia due to ceftaroline used for the treatment of methicillin-resistant Staphylococcus aureus bacteremia associated with a postoperative spinal infection. Our patient developed shortness of breath and hypoxemia on the fifth week of ceftaroline therapy. Chest
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